{
    "version": "https://jsonfeed.org/version/1.1",
    "user_comment": "This feed allows you to read the posts from this site in any feed reader that supports the JSON Feed format. To add this feed to your reader, copy the following URL -- https://matoken.org/blog/tag/rsync/feed/json/ -- and add it your reader.",
    "home_page_url": "https://matoken.org/blog/tag/rsync/",
    "feed_url": "https://matoken.org/blog/tag/rsync/feed/json/",
    "language": "ja",
    "title": "rsync – matoken's blog",
    "description": "Is there no plan B?",
    "icon": "https://matoken.org/blog/wp-content/uploads/2025/03/cropped-1865f695c4eecc844385acef2f078255036adccd42c254580ea3844543ab56d9.jpeg",
    "items": [
        {
            "id": "http://matoken.org/blog/?p=2834",
            "url": "https://matoken.org/blog/2020/07/17/a-little-experiment-with-the-new-features-of-rsync-3-2-0/",
            "title": "rsync 3.2.0\u306e\u65b0\u6a5f\u80fd\u3092\u5c11\u3057\u8a66\u3059",
            "content_html": "<div id=\"preamble\">\n<div class=\"sectionbody\">\n<div class=\"paragraph\">\n<p>\u30d5\u30a1\u30a4\u30eb\u540c\u671f\u306b\u3068\u3066\u3082\u4fbf\u5229\u306arsync\u306e3.2.0\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://rsync.samba.org/\">rsync</a></li>\n</ul>\n</div>\n<div class=\"paragraph\">\n<p>\u30d0\u30b0\u30d5\u30a3\u30af\u30b9\u3084\uff0c\u3044\u304f\u3064\u304b\u306e\u65b0\u6a5f\u80fd\u304c\u5165\u3063\u305f\u3088\u3046\u306a\u306e\u3067\u5c11\u3057\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u203b1. \u3053\u306e\u8a18\u4e8b\u6295\u7a3f\u6642\u306b\u306f 3.2.2 \u304c\u51fa\u3066\u3044\u307e\u3059\uff0e<br />\n\u203b2. \u9e7f\u5150\u5cf6Linux\u52c9\u5f37\u4f1a 2020.06\u3067\u767a\u8868\u3057\u305f\u3082\u306e\u3068\u540c\u3058\u5185\u5bb9\u3067\u3059\uff0e</p>\n<div style=\"text-align: center;\"><a style=\"display: block; margin: 5px auto;\" href=\"https://www.edocr.com/v/akxbnoxw\" target=\"_blank\"><img decoding=\"async\" style=\"max-width: 300px;\" src=\"https://s3.amazonaws.com/storage.prizmshare.com/940060C4-2F52-4449-B3A4-D79714A87FC7/akxbnoxw/4z2lrbm4.jpg?ts=1593431142405\" alt=\"rsync 3.2.0 \u306e\u65b0\u6a5f\u80fd\u3092\u8a66\u3057\u3066\u307f\u308b\"/></a></p>\n<p style=\"text-align: center; font-size: .8em;\"><a href=\"https://www.edocr.com\" target=\"_blank\">View more on edocr</a></p>\n</div>\n</div>\n</div>\n</div>\n<div class=\"sect1\">\n<h2 id=\"_\u5c0e\u5165\u4f8b\">\u5c0e\u5165\u4f8b</h2>\n<div class=\"sectionbody\">\n<div class=\"sect2\">\n<h3 id=\"_debian_sid_amd64_ubuntu_20_04_lts_amd64\">Debian sid amd64 &amp; Ubuntu 20.04 LTS amd64</h3>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sudo apt build-dep rsync\n$ sudo apt install libxxhash-dev libzstd-dev liblz4-dev\n$ wget -c \\\nhttps://download.samba.org/pub/rsync/rsync-3.2.0.tar.gz \\\nhttps://download.samba.org/pub/rsync/rsync-3.2.0.tar.gz.asc \\\nhttps://opencoder.net/WayneDavison.key\n$ gpg2 --import ./WayneDavison.key\n$ gpg2 --verify ./rsync-3.2.0.tar.gz.asc\n$ tar tvzf ./rsync-3.2.0.tar.gz\n$ tar xzf ./rsync-3.2.0.tar.gz\n$ cd rsync-3.2.0\n$ ./configure --help\n$ ./configure\n$ make\n$ ./rsync --version\nrsync  version 3.2.0  protocol version 31\nCopyright (C) 1996-2020 by Andrew Tridgell, Wayne Davison, and others.\nWeb site: http://rsync.samba.org/\nCapabilities:\n    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,\n    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace, append,\n    ACLs, xattrs, iconv, symtimes, prealloc, SIMD\nChecksum list:\n    xxh64 (xxhash) md5 md4 none\nCompress list:\n    zstd lz4 zlibx zlib none\n\nrsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you\nare welcome to redistribute it under certain conditions.  See the GNU\nGeneral Public Licence for details.</code></pre>\n</div>\n</div>\n<div class=\"admonitionblock note\">\n<table  class=\" table table-hover\" >\n<tbody>\n<tr>\n<td class=\"icon\">\n<div class=\"title\">Note</div>\n</td>\n<td class=\"content\">\ngpg\u9375\u306f\u6b21\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\uff0e<a href=\"https://rsync.samba.org/download.html\">rsync download</a></td>\n</tr>\n</tbody>\n</table>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_raspberri_pi_os_amd64\">Raspberri Pi OS amd64</h3>\n<div class=\"paragraph\">\n<p>Raspberry Pi OS arm64\u306e\u5834\u5408 <code>libzstd-dev</code> \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c <code>1.3.8+dfsg-3</code> \u3068\u5c11\u3057\u53e4\u304fbuild\u306b\u5931\u6557\u3057\u307e\u3059\uff0e <code>./configure --disable-zstd</code> \u3068\u3057\u3066zstd\u3092\u7121\u52b9\u306b\u3059\u308b\u304b\uff0csource\u304b\u3089 <code>zstd 1.4.5</code> \u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067build\u51fa\u6765\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ make\n  :\ntoken.c: In function \u2018init_compression_level\u2019:\ntoken.c:73:40: warning: implicit declaration of function \u2018ZSTD_minCLevel\u2019; did you mean \u2018ZSTD_maxCLevel\u2019? [-Wimplicit-function-declaration]\n   min_level = skip_compression_level = ZSTD_minCLevel();\n                                        ^~~~~~~~~~~~~~\n                                        ZSTD_maxCLevel\ntoken.c: In function \u2018send_zstd_token\u2019:\ntoken.c:685:2: error: unknown type name \u2018ZSTD_EndDirective\u2019; did you mean \u2018ZSTD_DDict\u2019?\n  ZSTD_EndDirective flush = ZSTD_e_continue;\n  ^~~~~~~~~~~~~~~~~\n  ZSTD_DDict\ntoken.c:685:28: error: \u2018ZSTD_e_continue\u2019 undeclared (first use in this function)\n  ZSTD_EndDirective flush = ZSTD_e_continue;\n                            ^~~~~~~~~~~~~~~\ntoken.c:685:28: note: each undeclared identifier is reported only once for each function it appears in\ntoken.c:701:3: warning: implicit declaration of function \u2018ZSTD_CCtx_setParameter\u2019 [-Wimplicit-function-declaration]\n   ZSTD_CCtx_setParameter(zstd_cctx, ZSTD_c_compressionLevel, do_compression_level);\n   ^~~~~~~~~~~~~~~~~~~~~~\ntoken.c:701:37: error: \u2018ZSTD_c_compressionLevel\u2019 undeclared (first use in this function); did you mean \u2018skip_compression_level\u2019?\n   ZSTD_CCtx_setParameter(zstd_cctx, ZSTD_c_compressionLevel, do_compression_level);\n                                     ^~~~~~~~~~~~~~~~~~~~~~~\n                                     skip_compression_level\ntoken.c:751:13: error: \u2018ZSTD_e_flush\u2019 undeclared (first use in this function); did you mean \u2018ZSTD_DCtx_s\u2019?\n     flush = ZSTD_e_flush;\n             ^~~~~~~~~~~~\n             ZSTD_DCtx_s\ntoken.c:753:8: warning: implicit declaration of function \u2018ZSTD_compressStream2\u2019; did you mean \u2018ZSTD_compressStream\u2019? [-Wimplicit-function-declaration]\n    r = ZSTD_compressStream2(zstd_cctx, &amp;zstd_out_buff, &amp;zstd_in_buff, flush);\n        ^~~~~~~~~~~~~~~~~~~~\n        ZSTD_compressStream\n$ cd ..\n$ sudo apt remove libzstd-dev\n$ wget https://github.com/facebook/zstd/releases/download/v1.4.5/zstd-1.4.5.tar.gz \\\nhttps://github.com/facebook/zstd/releases/download/v1.4.5/zstd-1.4.5.tar.gz.sha256\n$ sha256sum -c ./zstd-1.4.5.tar.gz.sha256\n$ tar tvf ./zstd-1.4.5.tar.gz | lv\n$ tar xf ./zstd-1.4.5.tar.gz\n$ cd zstd-1.4.5\n$ make\n$ sudo make install\n$ cd ../rsync-3.2.0\n$ ./configure &amp;&amp; make</code></pre>\n</div>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_debian_sid_amd64\">Debian sid amd64</h3>\n<div class=\"paragraph\">\n<p>Debian sid amd64 \u74b0\u5883\u306b\u306f\u3059\u3067\u306b\u964d\u3063\u3066\u304d\u3066\u3044\u308b\u306e\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u5c0e\u5165\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sudo apt install rsync\n$ rsync --version\nrsync  version 3.2.0  protocol version 31\nCopyright (C) 1996-2020 by Andrew Tridgell, Wayne Davison, and others.\nWeb site: http://rsync.samba.org/\nCapabilities:\n    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,\n    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace, append,\n    ACLs, xattrs, iconv, symtimes, prealloc, SIMD\nChecksum list:\n    xxh64 (xxhash) md5 md4 none\nCompress list:\n    zstd lz4 zlibx zlib none\n\nrsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you\nare welcome to redistribute it under certain conditions.  See the GNU\nGeneral Public Licence for details.\n$ dpkg-query -W rsync\nrsync   3.2.0-1</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3063\u3066\u3053\u3068\u3067\u8a66\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0eNEWS\u3092\u898b\u3066\u307f\u307e\u3059\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://download.samba.org/pub/rsync/src/rsync-3.2.0-NEWS\">NEWS</a></li>\n</ul>\n</div>\n</div>\n</div>\n</div>\n<div class=\"sect1\">\n<h2 id=\"_bug_fix\">BUG FIX</h2>\n<div class=\"sectionbody\">\n<div class=\"quoteblock\">\n<blockquote>\n<div class=\"paragraph\">\n<p>Avoid a hang when an overabundance of messages clogs up all the I/O buffers.</p>\n</div>\n</blockquote>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u30d0\u30b0\u4fee\u6b63\u304c\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u308a\u307e\u3059\uff0efat32\u306e\u5236\u9650\u306b\u5f15\u3063\u304b\u304b\u3063\u305f\u3068\u304d\u306b\u5e30\u3063\u3066\u3053\u306a\u3044\u554f\u984c\u3082\u3053\u308c\u3067\u89e3\u6c7a\u3057\u3066\u308b\u304b\u3082?\u672a\u78ba\u8a8d\uff0e</p>\n</div>\n<div class=\"ulist\">\n<ul>\n<li><a href=\"https://matoken.org/blog/2020/04/11/notes-on-fat32-when-recovering-hdd-data/\">HDD\u30c7\u30fc\u30bf\u5fa9\u65e7\u6642\u306bFAT32\u306e\u5236\u9650\u306b\u5d4c\u3063\u305f\u30e1\u30e2 \u2013 matoken\u2019s meme</a></li>\n</ul>\n</div>\n</div>\n</div>\n<div class=\"sect1\">\n<h2 id=\"_enhancements\">ENHANCEMENTS</h2>\n<div class=\"sectionbody\">\n<div class=\"sect2\">\n<h3 id=\"_checksum_choicestr_ccstr\">&#8211;checksum-choice=STR, &#8211;cc=STR</h3>\n<div class=\"paragraph\">\n<p>\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u5f62\u5f0f\u3092\u9078\u3079\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\uff0e\u73fe\u5728\u9078\u629e\u3067\u304d\u308b\u306e\u306f <code>xxh64/md5/md4</code> \u306e3\u7a2e\u985e or <code>none</code> or <code>auto</code>(\u65e2\u5b9a\u5024)</p>\n</div>\n<div class=\"listingblock\">\n<div class=\"title\">man(1)\u3088\u308a</div>\n<div class=\"content\">\n<pre>              o      auto (the default)\n              o      xxh64 (aka xxhash)\n              o      md5\n              o      md4\n              o      none</pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p><code>--version</code> \u306b\u3082\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ rsync --version | grep Checksum -A1\nChecksum list:\n    xxh64 (xxhash) md5 md4 none</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>configure option \u306b <code>--disable-xxhash</code> \u304c\u3042\u308a\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>  --disable-xxhash        disable xxhash checksums</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u74b0\u5883\u5909\u6570 <code>RSYNC_CHECKSUM_LIST</code> \u3067\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\uff0e\u30aa\u30d7\u30b7\u30e7\u30f3 <code>--checksum-choice</code> \u304c\u3042\u308b\u5834\u5408\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u307b\u3046\u304c\u512a\u5148\u306a\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u3061\u306a\u307f\u306b <code>--checksum-choice</code> \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044 <code>3.1.3</code> \u306b\u5bfe\u3057\u3066 <code>xxh64</code> \u3092\u5411\u3051\u3066\u53e9\u3044\u3066\u307f\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3057\u305f\uff0e(<code>md4</code>, <code>md5</code> \u306fok)</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ rsync --checksum-choice=xxh64 -avc ./* user@remote:/tmp/\nunknown checksum name: xxh64\nrsync error: requested action not supported (code 4) at checksum.c(73) [server=3.1.3]\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: error in rsync protocol data stream (code 12) at io.c(235) [sender=3.2.0]</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u6642\u9593\u304c\u3069\u306e\u304f\u3089\u3044\u5909\u308f\u308b\u304b\u3061\u3087\u3046\u3069\u8ee2\u304c\u3063\u3066\u3044\u305fkernel source(\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u6ca2\u5c71)\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\u306f\u3058\u3081\u666e\u901a\u306b\u540c\u671f\u3057\u305f\u5f8c\uff0c\u30ad\u30e3\u30c3\u30b7\u30e5\u30af\u30ea\u30a2\u3057\u3066 <code>md4</code>, <code>md5</code>, <code>xxh64</code> \u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\u601d\u3063\u305f\u3088\u308a\u5dee\u304c\u51fa\u306a\u3044\u611f\u3058?</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">md4</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ find ./linux-5.6 | wc -l\n82114\n$ du -ms ./linux-5.6\n1310    ./linux-5.6\n$ rsync --checksum-choice=auto -ac ./linux-5.6 /tmp/\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md4 -ac ./linux-5.6 /tmp/\n3\n\nreal    0m52.393s\nuser    0m5.051s\nsys     0m12.246s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">md5</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md5 -ac ./linux-5.6 /tmp/\n3\n\nreal    0m57.716s\nuser    0m6.976s\nsys     0m13.486s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">xxh64</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=xxh64 -ac ./linux-5.6 /tmp/\n3\n\nreal    1m5.520s\nuser    0m2.507s\nsys     0m13.625s</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u5927\u304d\u3081\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u3082\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e4GB\u7a0b\u306eiso\u30d5\u30a1\u30a4\u30eb1\u3064\u3067\u3059\uff0e<code>md4</code>, <code>md5</code> \u306f\u3042\u307e\u308a\u4ee3\u308f\u308a\u307e\u305b\u3093\u304c\uff0c<code>xxh64</code> \u306f\u304b\u306a\u308a\u9ad8\u901f\u3067\u3059\u306d\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">md4</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ls -s ./Parrot-security-4.9.1_x64.iso*\n3909164 ./Parrot-security-4.9.1_x64.iso  3909164 ./Parrot-security-4.9.1_x64.iso2\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md4 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x\n64.iso2\n3\n\nreal    0m23.276s\nuser    0m10.601s\nsys     0m4.387s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">md5</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md5 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x64.iso2\n3\n\nreal    0m28.150s\nuser    0m16.945s\nsys     0m4.399s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">xxh64</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=xxh64 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x64.iso2\n3\n\nreal    0m12.767s\nuser    0m1.375s\nsys     0m4.060s</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u8fba\u306e\u901f\u5ea6\u306f\u74b0\u5883\u306b\u3088\u308a\u5927\u5206\u5909\u308f\u308b\u3068\u601d\u3046\u306e\u3067\u53c2\u8003\u7a0b\u5ea6\u306b\uff0e</p>\n</div>\n</div>\n</div>\n</div>\n<div class=\"sect1\">\n<h2 id=\"_compress_choicestr_zcstr\">&#8211;compress-choice=STR, &#8211;zc=STR</h2>\n<div class=\"sectionbody\">\n<div class=\"paragraph\">\n<p><code>--compress</code> \u30aa\u30d7\u30b7\u30e7\u30f3\u5229\u7528\u6642\u306e\u5727\u7e2e\u5f62\u5f0f\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u5727\u7e2e\u5f62\u5f0f\u306frsync 3.2.0 \u540c\u58eb\u3067\u306f <code>zlibx</code> \u5f62\u5f0f\u304c <code>zlib</code> \u5f62\u5f0f\u3088\u308a\u3082\u512a\u5148\u3055\u308c\u308b\u3088\u3046\u3067\u3059\uff0e<br />\n\u9078\u629e\u3067\u304d\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f <code>zstd, lz4, zlibx, zlib, none</code> \u306e\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">man(1)\u3088\u308a</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>              o      zstd\n              o      lz4\n              o      zlibx\n              o      zlib\n              o      none</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p><code>rsync --version</code> \u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ rsync --version | grep Compress -A1\nCompress list:\n    zstd lz4 zlibx zlib none</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>configure oprion \u306b <code>--disable-zstd</code>, <code>--disable-lz4</code> \u304c\u3042\u308a\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>  --disable-zstd          disable zstd compression\n  --disable-lz4           disable LZ4 compression</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u74b0\u5883\u5909\u6570 <code>RSYNC_COMPRESS_LIST</code> \u3067\u3082\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"paragraph\">\n<p>\u672a\u5bfe\u5fdc\u306e 3.1.3 \u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3059\u308b\u3068 <code>unknown option</code> \u3068\u8a00\u308f\u308c\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ time rsync --compress-choice=zstd --compress -a ./hoge mk@x201i.local:/tmp/\nrsync: on remote machine: --compress-choice=zstd: unknown option\nrsync error: syntax or usage error (code 1) at main.c(1596) [server=3.1.3]\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: error in rsync protocol data stream (code 12) at io.c(235) [sender=3.2.0]</code></pre>\n</div>\n</div>\n<div class=\"paragraph\">\n<p>\u3053\u3061\u3089\u3082\u7c21\u5358\u306b\u30d9\u30f3\u30c1\u3092\uff0e\u3067\u3082Wi-Fi\u74b0\u5883\u3060\u3057\u53c2\u8003\u7a0b\u5ea6\u306b\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">zstd</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ssh user@remote rm -rf ~/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zstd --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    4m38.921s\nuser    0m24.463s\nsys     0m7.182s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">lz4</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=lz4 --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    9m28.829s\nuser    0m4.878s\nsys     0m6.177s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">zlibx</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zlibx --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    5m21.702s\nuser    0m46.740s\nsys     0m6.541s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">zlib</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zlib --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    5m28.722s\nuser    0m45.861s\nsys     0m6.381s</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">none</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=none -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    22m56.712s\nuser    0m1.848s\nsys     0m7.323s</code></pre>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_debugnstr\">&#8211;debug=NSTR</h3>\n<div class=\"paragraph\">\n<p>\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3068\u5727\u7e2e\u306e\u8a73\u7d30\u3092\u8868\u793a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u3088\u3046\u3067\u3059\uff0e\u3069\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff0e</p>\n</div>\n<div class=\"listingblock\">\n<div class=\"title\">&#8211;debug=NSTR \u3092\u4ed8\u3051\u305f\u3068\u304d\u306e\u306e\u5b9f\u884c\u7d50\u679c\u4f8b</div>\n<div class=\"content\">\n<pre>Client negotiated checksum: xxh64\nClient compress: zstd (level 3)</pre>\n</div>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_debugopts_mdebugopts\">&#8211;debug=OPTS, -M\u2014\u200bdebug=OPTS</h3>\n<div class=\"paragraph\">\n<p><code>--debug=OPTS</code> \u3092\u4f7f\u3046\u3068\u30ea\u30e2\u30fc\u30c8\u306ersync\u306b\u30c7\u30d0\u30c3\u30b0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9001\u3089\u306a\u304f\u306a\u308b\u3088\u3046\u3067\u3059\uff0e\u3053\u308c\u306b\u3088\u308a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3068\u30b5\u30fc\u30d0\u5074\u3067\u7570\u306a\u308b\u30c7\u30d0\u30c3\u30b0\u30ec\u30d9\u30eb\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305d\u3046\u3067\u3059\uff0e<br />\n\u30ea\u30e2\u30fc\u30c8\u5074\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9001\u308b\u5834\u5408\u306b\u306f <code>-M\u2014\u200bdebug=OPTS</code></p>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_siginfo_sigvtalrm\">SIGINFO &amp; SIGVTALRM</h3>\n<div class=\"paragraph\">\n<p>rsync\u30d7\u30ed\u30bb\u30b9\u306b <code>SIGINFO</code> &amp; <code>SIGVTALRM</code> \u30b7\u30b0\u30ca\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\uff0eLinux\u306f <code>SIGINFO</code> \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u306e\u3067\uff0c <code>SIGVTALRM</code> \u3092\u8a66\u3057\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">rsync\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u72b6\u614b\u3067 <code>SIGVTALRM</code> \u3092\u9001\u4fe1</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ pkill -SIGVTALRM rsync</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">rsync\u304c\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8868\u793a</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>linux-5.6/arch/sparc/lib/lshrdi3.S\n    114,384,392  81%  931.12kB/s    0:01:59 (xfr#21058, ir-chk=1030/23451)</code></pre>\n</div>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_copy_asusergroup\">&#8211;copy-as=USER[:GROUP]</h3>\n<div class=\"paragraph\">\n<p>\u6307\u5b9a\u30e6\u30fc\u30b6/\u30b0\u30eb\u30fc\u30d7\u6a29\u9650\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3088\u3046\u3067\u3059\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">\u30b3\u30d4\u30fc\u5143\u306b3\u30e6\u30fc\u30b6\u306e\u30d5\u30a1\u30a4\u30eb</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ls -Al /tmp/rsync-test/\ntotal 0\n-rw-r--r-- 1 matoken  matoken  0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 root     root     0 Jun 25 18:51 root\n-rw-r--r-- 1 www-data www-data 0 Jun 25 18:51 www-data</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">\u666e\u901a\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3068\u30e6\u30fc\u30b6\u304c\u5f15\u304d\u7d99\u304c\u308c\u308b</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sudo ./rsync -a /tmp/rsync-test/ /tmp/rsync-test2\n$ ls -lA /tmp/rsync-test2\ntotal 0\n-rw-r--r-- 1 matoken  matoken  0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 root     root     0 Jun 25 18:51 root\n-rw-r--r-- 1 www-data www-data 0 Jun 25 18:51 www-data</code></pre>\n</div>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\"><code>--copy-as=matoken</code> \u3092\u6307\u5b9a\u3059\u308b\u3068\u3059\u3079\u3066matoken\u306b\u306a\u308b</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ sudo \\rm -rf /tmp/rsync-test2\n$ sudo ./rsync --copy-as=matoken -a /tmp/rsync-test/ /tmp/rsync-test2\n$ ls -lA /tmp/rsync-test2\ntotal 0\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:51 root\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:51 www-data</code></pre>\n</div>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_v\">-V</h3>\n<div class=\"paragraph\">\n<p><code>--version</code> \u306e\u77ed\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066 <code>-V</code> \u304c\u5165\u308a\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ ./rsync --help|grep -- -V\n--version, -V            print the version + other info and exit\n$ ./rsync --help|grep \\-V\ngrep (GNU grep) 3.4\nCopyright (C) 2020 Free Software Foundation, Inc.\nLicense GPLv3+: GNU GPL version 3 or later &lt;https://gnu.org/licenses/gpl.html&gt;.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nWritten by Mike Haertel and others; see\n&lt;https://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS&gt;.</code></pre>\n</div>\n</div>\n</div>\n<div class=\"sect2\">\n<h3 id=\"_ipv4_4_ipv6_6\">&#8211;ipv4, -4 / &#8211;ipv6, -6</h3>\n<div class=\"paragraph\">\n<p>ipv4, ipv6 \u3092\u6307\u5b9a\u3057\u305f\u3044\u3068\u304d\u306b <code>rsh='ssh -4'</code> \u3068\u3059\u308b\u3088\u308a\u4fbf\u5229\u306a <code>--ipv4</code>, <code>-4</code>, <code>--ipv6</code>, <code>-6</code> \u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5165\u308a\u307e\u3057\u305f\uff0e</p>\n</div>\n<div class=\"listingblock shell\">\n<div class=\"title\">ipv4\u3057\u304b\u306a\u3044\u74b0\u5883\u3067 <code>-6</code> \u3092\u6307\u5b9a\u3057\u3066\u5931\u6557\u3059\u308b</div>\n<div class=\"content\">\n<pre class=\"highlight\"><code>$ rsync -avc6 ./ user@remote:/tmp/\nssh: Could not resolve hostname remote: Name or service not known\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: unexplained error (code 255) at io.c(235) [sender=3.2.1]</code></pre>\n</div>\n</div>\n</div>\n</div>\n</div>\n",
            "content_text": "\u30d5\u30a1\u30a4\u30eb\u540c\u671f\u306b\u3068\u3066\u3082\u4fbf\u5229\u306arsync\u306e3.2.0\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\uff0e\n\n\n\nrsync\n\n\n\n\u30d0\u30b0\u30d5\u30a3\u30af\u30b9\u3084\uff0c\u3044\u304f\u3064\u304b\u306e\u65b0\u6a5f\u80fd\u304c\u5165\u3063\u305f\u3088\u3046\u306a\u306e\u3067\u5c11\u3057\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\n\n\n\u203b1. \u3053\u306e\u8a18\u4e8b\u6295\u7a3f\u6642\u306b\u306f 3.2.2 \u304c\u51fa\u3066\u3044\u307e\u3059\uff0e\n\u203b2. \u9e7f\u5150\u5cf6Linux\u52c9\u5f37\u4f1a 2020.06\u3067\u767a\u8868\u3057\u305f\u3082\u306e\u3068\u540c\u3058\u5185\u5bb9\u3067\u3059\uff0e\n\nView more on edocr\n\n\n\n\n\n\u5c0e\u5165\u4f8b\n\n\nDebian sid amd64 &amp; Ubuntu 20.04 LTS amd64\n\n\n$ sudo apt build-dep rsync\n$ sudo apt install libxxhash-dev libzstd-dev liblz4-dev\n$ wget -c \\\nhttps://download.samba.org/pub/rsync/rsync-3.2.0.tar.gz \\\nhttps://download.samba.org/pub/rsync/rsync-3.2.0.tar.gz.asc \\\nhttps://opencoder.net/WayneDavison.key\n$ gpg2 --import ./WayneDavison.key\n$ gpg2 --verify ./rsync-3.2.0.tar.gz.asc\n$ tar tvzf ./rsync-3.2.0.tar.gz\n$ tar xzf ./rsync-3.2.0.tar.gz\n$ cd rsync-3.2.0\n$ ./configure --help\n$ ./configure\n$ make\n$ ./rsync --version\nrsync  version 3.2.0  protocol version 31\nCopyright (C) 1996-2020 by Andrew Tridgell, Wayne Davison, and others.\nWeb site: http://rsync.samba.org/\nCapabilities:\n    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,\n    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace, append,\n    ACLs, xattrs, iconv, symtimes, prealloc, SIMD\nChecksum list:\n    xxh64 (xxhash) md5 md4 none\nCompress list:\n    zstd lz4 zlibx zlib none\n\nrsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you\nare welcome to redistribute it under certain conditions.  See the GNU\nGeneral Public Licence for details.\n\n\n\n\n\n\n\nNote\n\n\ngpg\u9375\u306f\u6b21\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\uff0ersync download\n\n\n\n\n\n\nRaspberri Pi OS amd64\n\nRaspberry Pi OS arm64\u306e\u5834\u5408 libzstd-dev \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c 1.3.8+dfsg-3 \u3068\u5c11\u3057\u53e4\u304fbuild\u306b\u5931\u6557\u3057\u307e\u3059\uff0e ./configure --disable-zstd \u3068\u3057\u3066zstd\u3092\u7121\u52b9\u306b\u3059\u308b\u304b\uff0csource\u304b\u3089 zstd 1.4.5 \u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067build\u51fa\u6765\u307e\u3057\u305f\uff0e\n\n\n\n$ make\n  :\ntoken.c: In function \u2018init_compression_level\u2019:\ntoken.c:73:40: warning: implicit declaration of function \u2018ZSTD_minCLevel\u2019; did you mean \u2018ZSTD_maxCLevel\u2019? [-Wimplicit-function-declaration]\n   min_level = skip_compression_level = ZSTD_minCLevel();\n                                        ^~~~~~~~~~~~~~\n                                        ZSTD_maxCLevel\ntoken.c: In function \u2018send_zstd_token\u2019:\ntoken.c:685:2: error: unknown type name \u2018ZSTD_EndDirective\u2019; did you mean \u2018ZSTD_DDict\u2019?\n  ZSTD_EndDirective flush = ZSTD_e_continue;\n  ^~~~~~~~~~~~~~~~~\n  ZSTD_DDict\ntoken.c:685:28: error: \u2018ZSTD_e_continue\u2019 undeclared (first use in this function)\n  ZSTD_EndDirective flush = ZSTD_e_continue;\n                            ^~~~~~~~~~~~~~~\ntoken.c:685:28: note: each undeclared identifier is reported only once for each function it appears in\ntoken.c:701:3: warning: implicit declaration of function \u2018ZSTD_CCtx_setParameter\u2019 [-Wimplicit-function-declaration]\n   ZSTD_CCtx_setParameter(zstd_cctx, ZSTD_c_compressionLevel, do_compression_level);\n   ^~~~~~~~~~~~~~~~~~~~~~\ntoken.c:701:37: error: \u2018ZSTD_c_compressionLevel\u2019 undeclared (first use in this function); did you mean \u2018skip_compression_level\u2019?\n   ZSTD_CCtx_setParameter(zstd_cctx, ZSTD_c_compressionLevel, do_compression_level);\n                                     ^~~~~~~~~~~~~~~~~~~~~~~\n                                     skip_compression_level\ntoken.c:751:13: error: \u2018ZSTD_e_flush\u2019 undeclared (first use in this function); did you mean \u2018ZSTD_DCtx_s\u2019?\n     flush = ZSTD_e_flush;\n             ^~~~~~~~~~~~\n             ZSTD_DCtx_s\ntoken.c:753:8: warning: implicit declaration of function \u2018ZSTD_compressStream2\u2019; did you mean \u2018ZSTD_compressStream\u2019? [-Wimplicit-function-declaration]\n    r = ZSTD_compressStream2(zstd_cctx, &amp;zstd_out_buff, &amp;zstd_in_buff, flush);\n        ^~~~~~~~~~~~~~~~~~~~\n        ZSTD_compressStream\n$ cd ..\n$ sudo apt remove libzstd-dev\n$ wget https://github.com/facebook/zstd/releases/download/v1.4.5/zstd-1.4.5.tar.gz \\\nhttps://github.com/facebook/zstd/releases/download/v1.4.5/zstd-1.4.5.tar.gz.sha256\n$ sha256sum -c ./zstd-1.4.5.tar.gz.sha256\n$ tar tvf ./zstd-1.4.5.tar.gz | lv\n$ tar xf ./zstd-1.4.5.tar.gz\n$ cd zstd-1.4.5\n$ make\n$ sudo make install\n$ cd ../rsync-3.2.0\n$ ./configure &amp;&amp; make\n\n\n\n\nDebian sid amd64\n\nDebian sid amd64 \u74b0\u5883\u306b\u306f\u3059\u3067\u306b\u964d\u3063\u3066\u304d\u3066\u3044\u308b\u306e\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u5c0e\u5165\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\uff0e\n\n\n\n$ sudo apt install rsync\n$ rsync --version\nrsync  version 3.2.0  protocol version 31\nCopyright (C) 1996-2020 by Andrew Tridgell, Wayne Davison, and others.\nWeb site: http://rsync.samba.org/\nCapabilities:\n    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,\n    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace, append,\n    ACLs, xattrs, iconv, symtimes, prealloc, SIMD\nChecksum list:\n    xxh64 (xxhash) md5 md4 none\nCompress list:\n    zstd lz4 zlibx zlib none\n\nrsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you\nare welcome to redistribute it under certain conditions.  See the GNU\nGeneral Public Licence for details.\n$ dpkg-query -W rsync\nrsync   3.2.0-1\n\n\n\n\u3063\u3066\u3053\u3068\u3067\u8a66\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0eNEWS\u3092\u898b\u3066\u307f\u307e\u3059\uff0e\n\n\n\nNEWS\n\n\n\n\n\n\nBUG FIX\n\n\n\n\nAvoid a hang when an overabundance of messages clogs up all the I/O buffers.\n\n\n\n\n\u3053\u306e\u30d0\u30b0\u4fee\u6b63\u304c\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u308a\u307e\u3059\uff0efat32\u306e\u5236\u9650\u306b\u5f15\u3063\u304b\u304b\u3063\u305f\u3068\u304d\u306b\u5e30\u3063\u3066\u3053\u306a\u3044\u554f\u984c\u3082\u3053\u308c\u3067\u89e3\u6c7a\u3057\u3066\u308b\u304b\u3082?\u672a\u78ba\u8a8d\uff0e\n\n\n\nHDD\u30c7\u30fc\u30bf\u5fa9\u65e7\u6642\u306bFAT32\u306e\u5236\u9650\u306b\u5d4c\u3063\u305f\u30e1\u30e2 \u2013 matoken\u2019s meme\n\n\n\n\n\nENHANCEMENTS\n\n\n&#8211;checksum-choice=STR, &#8211;cc=STR\n\n\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u5f62\u5f0f\u3092\u9078\u3079\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\uff0e\u73fe\u5728\u9078\u629e\u3067\u304d\u308b\u306e\u306f xxh64/md5/md4 \u306e3\u7a2e\u985e or none or auto(\u65e2\u5b9a\u5024)\n\n\nman(1)\u3088\u308a\n\n              o      auto (the default)\n              o      xxh64 (aka xxhash)\n              o      md5\n              o      md4\n              o      none\n\n\n\n--version \u306b\u3082\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e\n\n\n\n$ rsync --version | grep Checksum -A1\nChecksum list:\n    xxh64 (xxhash) md5 md4 none\n\n\n\nconfigure option \u306b --disable-xxhash \u304c\u3042\u308a\u307e\u3057\u305f\uff0e\n\n\n\n  --disable-xxhash        disable xxhash checksums\n\n\n\n\u74b0\u5883\u5909\u6570 RSYNC_CHECKSUM_LIST \u3067\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\uff0e\u30aa\u30d7\u30b7\u30e7\u30f3 --checksum-choice \u304c\u3042\u308b\u5834\u5408\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u307b\u3046\u304c\u512a\u5148\u306a\u3088\u3046\u3067\u3059\uff0e\n\n\n\u3061\u306a\u307f\u306b --checksum-choice \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044 3.1.3 \u306b\u5bfe\u3057\u3066 xxh64 \u3092\u5411\u3051\u3066\u53e9\u3044\u3066\u307f\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3057\u305f\uff0e(md4, md5 \u306fok)\n\n\n\n$ rsync --checksum-choice=xxh64 -avc ./* user@remote:/tmp/\nunknown checksum name: xxh64\nrsync error: requested action not supported (code 4) at checksum.c(73) [server=3.1.3]\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: error in rsync protocol data stream (code 12) at io.c(235) [sender=3.2.0]\n\n\n\n\u6642\u9593\u304c\u3069\u306e\u304f\u3089\u3044\u5909\u308f\u308b\u304b\u3061\u3087\u3046\u3069\u8ee2\u304c\u3063\u3066\u3044\u305fkernel source(\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u6ca2\u5c71)\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\u306f\u3058\u3081\u666e\u901a\u306b\u540c\u671f\u3057\u305f\u5f8c\uff0c\u30ad\u30e3\u30c3\u30b7\u30e5\u30af\u30ea\u30a2\u3057\u3066 md4, md5, xxh64 \u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\u601d\u3063\u305f\u3088\u308a\u5dee\u304c\u51fa\u306a\u3044\u611f\u3058?\n\n\nmd4\n\n$ find ./linux-5.6 | wc -l\n82114\n$ du -ms ./linux-5.6\n1310    ./linux-5.6\n$ rsync --checksum-choice=auto -ac ./linux-5.6 /tmp/\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md4 -ac ./linux-5.6 /tmp/\n3\n\nreal    0m52.393s\nuser    0m5.051s\nsys     0m12.246s\n\n\n\nmd5\n\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md5 -ac ./linux-5.6 /tmp/\n3\n\nreal    0m57.716s\nuser    0m6.976s\nsys     0m13.486s\n\n\n\nxxh64\n\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=xxh64 -ac ./linux-5.6 /tmp/\n3\n\nreal    1m5.520s\nuser    0m2.507s\nsys     0m13.625s\n\n\n\n\u5927\u304d\u3081\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u3082\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\uff0e4GB\u7a0b\u306eiso\u30d5\u30a1\u30a4\u30eb1\u3064\u3067\u3059\uff0emd4, md5 \u306f\u3042\u307e\u308a\u4ee3\u308f\u308a\u307e\u305b\u3093\u304c\uff0cxxh64 \u306f\u304b\u306a\u308a\u9ad8\u901f\u3067\u3059\u306d\uff0e\n\n\nmd4\n\n$ ls -s ./Parrot-security-4.9.1_x64.iso*\n3909164 ./Parrot-security-4.9.1_x64.iso  3909164 ./Parrot-security-4.9.1_x64.iso2\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md4 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x\n64.iso2\n3\n\nreal    0m23.276s\nuser    0m10.601s\nsys     0m4.387s\n\n\n\nmd5\n\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=md5 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x64.iso2\n3\n\nreal    0m28.150s\nuser    0m16.945s\nsys     0m4.399s\n\n\n\nxxh64\n\n$ sync ; echo 3 | sudo tee /proc/sys/vm/drop_caches ; time rsync --checksum-choice=xxh64 -ac ./Parrot-security-4.9.1_x64.iso ./Parrot-security-4.9.1_x64.iso2\n3\n\nreal    0m12.767s\nuser    0m1.375s\nsys     0m4.060s\n\n\n\n\u3053\u306e\u8fba\u306e\u901f\u5ea6\u306f\u74b0\u5883\u306b\u3088\u308a\u5927\u5206\u5909\u308f\u308b\u3068\u601d\u3046\u306e\u3067\u53c2\u8003\u7a0b\u5ea6\u306b\uff0e\n\n\n\n\n\n&#8211;compress-choice=STR, &#8211;zc=STR\n\n\n--compress \u30aa\u30d7\u30b7\u30e7\u30f3\u5229\u7528\u6642\u306e\u5727\u7e2e\u5f62\u5f0f\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e\n\n\n\u5727\u7e2e\u5f62\u5f0f\u306frsync 3.2.0 \u540c\u58eb\u3067\u306f zlibx \u5f62\u5f0f\u304c zlib \u5f62\u5f0f\u3088\u308a\u3082\u512a\u5148\u3055\u308c\u308b\u3088\u3046\u3067\u3059\uff0e\n\u9078\u629e\u3067\u304d\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f zstd, lz4, zlibx, zlib, none \u306e\u3088\u3046\u3067\u3059\uff0e\n\n\nman(1)\u3088\u308a\n\n              o      zstd\n              o      lz4\n              o      zlibx\n              o      zlib\n              o      none\n\n\n\nrsync --version \u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff0e\n\n\n\n$ rsync --version | grep Compress -A1\nCompress list:\n    zstd lz4 zlibx zlib none\n\n\n\nconfigure oprion \u306b --disable-zstd, --disable-lz4 \u304c\u3042\u308a\u307e\u3059\uff0e\n\n\n\n  --disable-zstd          disable zstd compression\n  --disable-lz4           disable LZ4 compression\n\n\n\n\u74b0\u5883\u5909\u6570 RSYNC_COMPRESS_LIST \u3067\u3082\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\uff0e\n\n\n\u672a\u5bfe\u5fdc\u306e 3.1.3 \u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3059\u308b\u3068 unknown option \u3068\u8a00\u308f\u308c\u307e\u3059\uff0e\n\n\n\n$ time rsync --compress-choice=zstd --compress -a ./hoge mk@x201i.local:/tmp/\nrsync: on remote machine: --compress-choice=zstd: unknown option\nrsync error: syntax or usage error (code 1) at main.c(1596) [server=3.1.3]\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: error in rsync protocol data stream (code 12) at io.c(235) [sender=3.2.0]\n\n\n\n\u3053\u3061\u3089\u3082\u7c21\u5358\u306b\u30d9\u30f3\u30c1\u3092\uff0e\u3067\u3082Wi-Fi\u74b0\u5883\u3060\u3057\u53c2\u8003\u7a0b\u5ea6\u306b\uff0e\n\n\nzstd\n\n$ ssh user@remote rm -rf ~/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zstd --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    4m38.921s\nuser    0m24.463s\nsys     0m7.182s\n\n\n\nlz4\n\n$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=lz4 --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    9m28.829s\nuser    0m4.878s\nsys     0m6.177s\n\n\n\nzlibx\n\n$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zlibx --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    5m21.702s\nuser    0m46.740s\nsys     0m6.541s\n\n\n\nzlib\n\n$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=zlib --compress -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    5m28.722s\nuser    0m45.861s\nsys     0m6.381s\n\n\n\nnone\n\n$ ssh user@remote rm -rf ~user/tmp/linux-5.6; echo 3 | sudo tee /proc/sys/vm/drop_caches; time rsync --compress-choice=none -a --rsync-path=~/src/rsync-3.2.0/rsync ~/src/linux-5.6 user@remote:~/tmp/\n3\n\nreal    22m56.712s\nuser    0m1.848s\nsys     0m7.323s\n\n\n\n&#8211;debug=NSTR\n\n\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3068\u5727\u7e2e\u306e\u8a73\u7d30\u3092\u8868\u793a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u3088\u3046\u3067\u3059\uff0e\u3069\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff0e\n\n\n&#8211;debug=NSTR \u3092\u4ed8\u3051\u305f\u3068\u304d\u306e\u306e\u5b9f\u884c\u7d50\u679c\u4f8b\n\nClient negotiated checksum: xxh64\nClient compress: zstd (level 3)\n\n\n\n\n&#8211;debug=OPTS, -M\u2014\u200bdebug=OPTS\n\n--debug=OPTS \u3092\u4f7f\u3046\u3068\u30ea\u30e2\u30fc\u30c8\u306ersync\u306b\u30c7\u30d0\u30c3\u30b0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9001\u3089\u306a\u304f\u306a\u308b\u3088\u3046\u3067\u3059\uff0e\u3053\u308c\u306b\u3088\u308a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3068\u30b5\u30fc\u30d0\u5074\u3067\u7570\u306a\u308b\u30c7\u30d0\u30c3\u30b0\u30ec\u30d9\u30eb\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305d\u3046\u3067\u3059\uff0e\n\u30ea\u30e2\u30fc\u30c8\u5074\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9001\u308b\u5834\u5408\u306b\u306f -M\u2014\u200bdebug=OPTS\n\n\n\nSIGINFO &amp; SIGVTALRM\n\nrsync\u30d7\u30ed\u30bb\u30b9\u306b SIGINFO &amp; SIGVTALRM \u30b7\u30b0\u30ca\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\uff0eLinux\u306f SIGINFO \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u306e\u3067\uff0c SIGVTALRM \u3092\u8a66\u3057\u307e\u3057\u305f\uff0e\n\n\nrsync\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u72b6\u614b\u3067 SIGVTALRM \u3092\u9001\u4fe1\n\n$ pkill -SIGVTALRM rsync\n\n\n\nrsync\u304c\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8868\u793a\n\nlinux-5.6/arch/sparc/lib/lshrdi3.S\n    114,384,392  81%  931.12kB/s    0:01:59 (xfr#21058, ir-chk=1030/23451)\n\n\n\n\n&#8211;copy-as=USER[:GROUP]\n\n\u6307\u5b9a\u30e6\u30fc\u30b6/\u30b0\u30eb\u30fc\u30d7\u6a29\u9650\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3088\u3046\u3067\u3059\uff0e\n\n\n\u30b3\u30d4\u30fc\u5143\u306b3\u30e6\u30fc\u30b6\u306e\u30d5\u30a1\u30a4\u30eb\n\n$ ls -Al /tmp/rsync-test/\ntotal 0\n-rw-r--r-- 1 matoken  matoken  0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 root     root     0 Jun 25 18:51 root\n-rw-r--r-- 1 www-data www-data 0 Jun 25 18:51 www-data\n\n\n\n\u666e\u901a\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3068\u30e6\u30fc\u30b6\u304c\u5f15\u304d\u7d99\u304c\u308c\u308b\n\n$ sudo ./rsync -a /tmp/rsync-test/ /tmp/rsync-test2\n$ ls -lA /tmp/rsync-test2\ntotal 0\n-rw-r--r-- 1 matoken  matoken  0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 root     root     0 Jun 25 18:51 root\n-rw-r--r-- 1 www-data www-data 0 Jun 25 18:51 www-data\n\n\n\n--copy-as=matoken \u3092\u6307\u5b9a\u3059\u308b\u3068\u3059\u3079\u3066matoken\u306b\u306a\u308b\n\n$ sudo \\rm -rf /tmp/rsync-test2\n$ sudo ./rsync --copy-as=matoken -a /tmp/rsync-test/ /tmp/rsync-test2\n$ ls -lA /tmp/rsync-test2\ntotal 0\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:50 matokenfile\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:51 root\n-rw-r--r-- 1 matoken matoken 0 Jun 25 18:51 www-data\n\n\n\n\n-V\n\n--version \u306e\u77ed\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066 -V \u304c\u5165\u308a\u307e\u3057\u305f\uff0e\n\n\n\n$ ./rsync --help|grep -- -V\n--version, -V            print the version + other info and exit\n$ ./rsync --help|grep \\-V\ngrep (GNU grep) 3.4\nCopyright (C) 2020 Free Software Foundation, Inc.\nLicense GPLv3+: GNU GPL version 3 or later &lt;https://gnu.org/licenses/gpl.html&gt;.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nWritten by Mike Haertel and others; see\n&lt;https://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS&gt;.\n\n\n\n\n&#8211;ipv4, -4 / &#8211;ipv6, -6\n\nipv4, ipv6 \u3092\u6307\u5b9a\u3057\u305f\u3044\u3068\u304d\u306b rsh='ssh -4' \u3068\u3059\u308b\u3088\u308a\u4fbf\u5229\u306a --ipv4, -4, --ipv6, -6 \u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5165\u308a\u307e\u3057\u305f\uff0e\n\n\nipv4\u3057\u304b\u306a\u3044\u74b0\u5883\u3067 -6 \u3092\u6307\u5b9a\u3057\u3066\u5931\u6557\u3059\u308b\n\n$ rsync -avc6 ./ user@remote:/tmp/\nssh: Could not resolve hostname remote: Name or service not known\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\nrsync error: unexplained error (code 255) at io.c(235) [sender=3.2.1]",
            "date_published": "2020-07-17T06:40:12+09:00",
            "date_modified": "2020-07-17T06:42:54+09:00",
            "authors": [
                {
                    "name": "matoken",
                    "url": "https://matoken.org/blog/author/matoken/",
                    "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
                }
            ],
            "author": {
                "name": "matoken",
                "url": "https://matoken.org/blog/author/matoken/",
                "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
            },
            "tags": [
                "rsync",
                "Buster",
                "Debian",
                "Focal Fossa(20.04)",
                "Linux",
                "Raspberry Pi OS",
                "sid",
                "Ubuntu"
            ]
        },
        {
            "id": "http://matoken.org/blog/?p=2206",
            "url": "https://matoken.org/blog/2018/11/02/trouble-with-the-contents-of-the-file-synchronized-by-rsync/",
            "title": "rsync\u3067\u540c\u671f\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u304c\u9593\u9055\u3063\u3066\u3044\u3066\u56f0\u308b",
            "content_html": "<div id=\"__asciidoctor-preview-1__\" class=\"paragraph\">\n<p>\u6700\u8fd1\u5916\u306e\u30b5\u30fc\u30d0\u306effmpeg\u3067\u751f\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092rsync\u30b3\u30de\u30f3\u30c9\u3067\u5bb6\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u5148\u65e5rsync\u3067\u30b3\u30d4\u30fc\u304c\u6b63\u5e38\u7d42\u4e86\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306a\u306e\u306b\u518d\u751f\u304c\u51fa\u6765\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u73fe\u308c\u307e\u3057\u305f\uff0e<br />\n\u6050\u3089\u304fffmpeg\u306e\u51e6\u7406\u304c\u6700\u5f8c\u307e\u3067\u7d42\u308f\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u3067rsync\u3092\u958b\u59cb\u3057\u3066\uff0cffmpeg\u306e <code style=\"font-family: monospace;\">-movflags faststart</code> \u304c\u6700\u5f8c\u306e\u3042\u305f\u308a\u3067rsync\u3067\u8ee2\u9001\u304c\u7d42\u308f\u3063\u305f\u9818\u57df\u3092\u66f8\u304d\u63db\u3048\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\uff0e<br />\nrsync\u306f\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3092\u78ba\u8a8d\u3057\u3066\u3044\u305f\u306e\u3067\u306f?\u3068\u78ba\u8a8d\u3059\u308b\u3068\u3069\u3046\u3082\u660e\u793a\u7684\u306b\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3057\u306a\u3044\u3068\u7c21\u6613\u7684\u306a\u30c1\u30a7\u30c3\u30af\u3057\u304b\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\uff0e<br />\n\u5c11\u3057\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-2__\" class=\"paragraph\">\n<p>\u5185\u5bb9\u304c\u9055\u3046\u3051\u308c\u3069\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3068\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3059\u308b\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-3__\" class=\"listingblock\">\n<div class=\"content\">\n<pre>$ mkdir from to\r\n$ echo '0123456789' &gt; from/01\r\n$ echo '0123456780' &gt; to/01\r\n$ touch -d0 from/01\r\n$ touch -d0 to/01\r\n$ ls -l from/01 to/01\r\n-rw-r--r-- 1 matoken matoken 11 11\u6708  2 00:00 from/01\r\n-rw-r--r-- 1 matoken matoken 11 11\u6708  2 00:00 to/01</pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-4__\" class=\"paragraph\">\n<p>rsync \u306e <code style=\"font-family: monospace;\">--archive</code> option \u3067\u30b3\u30d4\u30fc\u3059\u308b\u3068\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3068\u8a8d\u8b58\u3055\u308c\u3066\u540c\u671f\u3055\u308c\u306a\u3044\uff0e\u5185\u5bb9\u3082\u7570\u306a\u3063\u305f\u307e\u307e\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-5__\" class=\"listingblock\">\n<div class=\"content\">\n<pre>$ rsync -av from/ to/\r\nsending incremental file list\r\n\r\nsent 73 bytes  received 12 bytes  170.00 bytes/sec\r\ntotal size is 11  speedup is 0.13\r\n$ diff from/01 to/01\r\n1c1\r\n&lt; 0123456789\r\n---\r\n&gt; 0123456780</pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-6__\" class=\"paragraph\">\n<p>rsync \u306e <code style=\"font-family: monospace;\">--checksum</code> option\u3092\u4ed8\u4e0e\u3059\u308b\u3068\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u8a8d\u8b58\u3055\u308c\u3066\u540c\u671f\u3055\u308c\u3066\u5185\u5bb9\u3082\u540c\u4e00\u306b\u306a\u308b\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-7__\" class=\"listingblock\">\n<div class=\"content\">\n<pre>$ rsync -av --checksum from/ to/\r\nsending incremental file list\r\n01\r\n\r\nsent 147 bytes  received 35 bytes  364.00 bytes/sec\r\ntotal size is 11  speedup is 0.06\r\n$ diff from/01 to/01</pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-8__\" class=\"paragraph\">\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3053\u3093\u306a\u611f\u3058\u306b\u5909\u66f4\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-9__\" class=\"listingblock\">\n<div class=\"content\">\n<pre>$ rsync -avAHXce ssh --partial --append user@server:from/ to/</pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-10__\" class=\"paragraph\">\n<p>\uff03\u5b9f\u969b\u306f\u3088\u304f\u56de\u7dda\u5207\u308c\u308b\u306e\u3067while loop \u306b\u5165\u308c\u3066\u3042\u308b\uff0e</p>\n</div>\n<div>\n<p>EDIT: \u8ee2\u9001\u6e08\u307f\u90e8\u5206\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3053\u308c\u3067\u306fNG\u3067 <code style=\"font-family: monospace;\">--append</code>(\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u8a18)\u3092\u524a\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\uff0e<code style=\"font-family: monospace;\">--append-verify</code> \u3067\u884c\u3051\u305d\u3046\u306a\u6c17\u304c\u3057\u305f\u304c\u3053\u308c\u3082NG\u3060\u3063\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-11__\" class=\"listingblock\">\n<div class=\"title\">\u74b0\u5883</div>\n<div class=\"content\">\n<pre>$ dpkg-query -W rsync\r\nrsync   3.1.2-2.2\r\n$ lsb_release -d\r\nDescription:    Ubuntu 18.10\r\n$ uname -m\r\nx86_64</pre>\n</div>\n</div>\n",
            "content_text": "\u6700\u8fd1\u5916\u306e\u30b5\u30fc\u30d0\u306effmpeg\u3067\u751f\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092rsync\u30b3\u30de\u30f3\u30c9\u3067\u5bb6\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u5148\u65e5rsync\u3067\u30b3\u30d4\u30fc\u304c\u6b63\u5e38\u7d42\u4e86\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306a\u306e\u306b\u518d\u751f\u304c\u51fa\u6765\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u73fe\u308c\u307e\u3057\u305f\uff0e\n\u6050\u3089\u304fffmpeg\u306e\u51e6\u7406\u304c\u6700\u5f8c\u307e\u3067\u7d42\u308f\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u3067rsync\u3092\u958b\u59cb\u3057\u3066\uff0cffmpeg\u306e -movflags faststart \u304c\u6700\u5f8c\u306e\u3042\u305f\u308a\u3067rsync\u3067\u8ee2\u9001\u304c\u7d42\u308f\u3063\u305f\u9818\u57df\u3092\u66f8\u304d\u63db\u3048\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\uff0e\nrsync\u306f\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3092\u78ba\u8a8d\u3057\u3066\u3044\u305f\u306e\u3067\u306f?\u3068\u78ba\u8a8d\u3059\u308b\u3068\u3069\u3046\u3082\u660e\u793a\u7684\u306b\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3057\u306a\u3044\u3068\u7c21\u6613\u7684\u306a\u30c1\u30a7\u30c3\u30af\u3057\u304b\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\uff0e\n\u5c11\u3057\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\uff0e\n\n\n\u5185\u5bb9\u304c\u9055\u3046\u3051\u308c\u3069\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3068\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3059\u308b\uff0e\n\n\n\n$ mkdir from to\r\n$ echo '0123456789' &gt; from/01\r\n$ echo '0123456780' &gt; to/01\r\n$ touch -d0 from/01\r\n$ touch -d0 to/01\r\n$ ls -l from/01 to/01\r\n-rw-r--r-- 1 matoken matoken 11 11\u6708  2 00:00 from/01\r\n-rw-r--r-- 1 matoken matoken 11 11\u6708  2 00:00 to/01\n\n\n\nrsync \u306e --archive option \u3067\u30b3\u30d4\u30fc\u3059\u308b\u3068\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3068\u8a8d\u8b58\u3055\u308c\u3066\u540c\u671f\u3055\u308c\u306a\u3044\uff0e\u5185\u5bb9\u3082\u7570\u306a\u3063\u305f\u307e\u307e\uff0e\n\n\n\n$ rsync -av from/ to/\r\nsending incremental file list\r\n\r\nsent 73 bytes  received 12 bytes  170.00 bytes/sec\r\ntotal size is 11  speedup is 0.13\r\n$ diff from/01 to/01\r\n1c1\r\n&lt; 0123456789\r\n---\r\n&gt; 0123456780\n\n\n\nrsync \u306e --checksum option\u3092\u4ed8\u4e0e\u3059\u308b\u3068\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u8a8d\u8b58\u3055\u308c\u3066\u540c\u671f\u3055\u308c\u3066\u5185\u5bb9\u3082\u540c\u4e00\u306b\u306a\u308b\uff0e\n\n\n\n$ rsync -av --checksum from/ to/\r\nsending incremental file list\r\n01\r\n\r\nsent 147 bytes  received 35 bytes  364.00 bytes/sec\r\ntotal size is 11  speedup is 0.06\r\n$ diff from/01 to/01\n\n\n\n\u3068\u3044\u3046\u3053\u3068\u3067\u3053\u3093\u306a\u611f\u3058\u306b\u5909\u66f4\u3057\u305f\uff0e\n\n\n\n$ rsync -avAHXce ssh --partial --append user@server:from/ to/\n\n\n\n\uff03\u5b9f\u969b\u306f\u3088\u304f\u56de\u7dda\u5207\u308c\u308b\u306e\u3067while loop \u306b\u5165\u308c\u3066\u3042\u308b\uff0e\n\n\nEDIT: \u8ee2\u9001\u6e08\u307f\u90e8\u5206\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3053\u308c\u3067\u306fNG\u3067 --append(\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u8a18)\u3092\u524a\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\uff0e--append-verify \u3067\u884c\u3051\u305d\u3046\u306a\u6c17\u304c\u3057\u305f\u304c\u3053\u308c\u3082NG\u3060\u3063\u305f\uff0e\n\n\n\u74b0\u5883\n\n$ dpkg-query -W rsync\r\nrsync   3.1.2-2.2\r\n$ lsb_release -d\r\nDescription:    Ubuntu 18.10\r\n$ uname -m\r\nx86_64",
            "date_published": "2018-11-02T21:38:53+09:00",
            "date_modified": "2018-11-11T15:37:32+09:00",
            "authors": [
                {
                    "name": "matoken",
                    "url": "https://matoken.org/blog/author/matoken/",
                    "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
                }
            ],
            "author": {
                "name": "matoken",
                "url": "https://matoken.org/blog/author/matoken/",
                "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
            },
            "tags": [
                "rsync",
                "Cosmic Cuttlefish(18.10)",
                "Linux",
                "Ubuntu"
            ]
        },
        {
            "id": "http://matoken.org/blog/?p=1411",
            "url": "https://matoken.org/blog/2016/09/28/the-power-outage-is-anxiety-backup-lsyncd-and-nilfs2/",
            "title": "\u505c\u96fb\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u4e0d\u5b89\u306a\u306e\u3067lsyncd\u3068NILFS2\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7",
            "content_html": "<p>\u5148\u65e5\u306e\u53f0\u98a816\u53f7\u306709/19 23:00\u9803\u304b\u308909/22 12:45\u9803\u307e\u3067\u505c\u96fb\u3057\u3066\u3044\u307e\u3057\u305f\u2026\u2026\uff0e \u3068\u308a\u3042\u3048\u305a\u30b5\u30fc\u30d0\u306f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u3066ThinkPad X200\u306f\u30d0\u30c3\u30c6\u30ea\u304c4\u672c\uff0cX220\u306f2\u672c\uff0c\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u306f10000mA x3\u3068\u3044\u3046\u611f\u3058\u3067\u505c\u96fb\u958b\u59cb\uff0e \u3068\u308a\u3042\u3048\u305a\u666e\u901a\u306b\u4f7f\u3063\u3066\u3044\u3066\u3082X200\u3060\u3051\u3067\u30823\u55b6\u696d\u65e5\u4ee5\u4e0a\u306f\u8010\u3048\u3089\u308c\u308b\u306f\u305a\u3067\u3059\uff0e</p>\n<p>\u3067\u3082\u4e00\u5fdcNotePC\u306f\u5fc5\u9808\u30c7\u30d0\u30a4\u30b9\u4ee5\u5916\u306f\u53d6\u308a\u5916\u3057\u3066\u8f1d\u5ea6\u3092\u4e0b\u3052\u3066powertop\u3067\u7701\u96fb\u529b\u30e2\u30fc\u30c9\u306b\uff0e</p>\n<p>\uff03powertop\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8fba\u308a\u3092\u53c2\u8003\u306b\uff0e <iframe src=\"//www.slideshare.net/slideshow/embed_code/key/2XiynlYGRWLlNs\" width=\"595\" height=\"485\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" style=\"border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;\" allowfullscreen> </iframe></p>\n<div style=\"margin-bottom:5px\">\n<strong> <a href=\"//www.slideshare.net/matoken/bluetoothlinuxandroid/23\" title=\"\u300cBluetooth\u3067Linux\u30de\u30b7\u30f3\u3068Android\u3092\u7e4b\u3044\u3067\u8a71\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u305f\u8a71\u300d\u300c\u53f0\u98a8\u3067\u505c\u96fb\u306b\u306a\u3063\u3066\u7701\u96fb\u529b\u306e\u8a2d\u5b9a\u3092\u3057\u305f\u8a71\u300d\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u304c\u5f15\u304d\u7d99\u304c\u308c\u306a\u304f\u3066\u56f0\u3063\u305f\u306e\u3067\u8abf\u3079\u305f\u8a71\u300d\" target=\"_blank\">\u300cBluetooth\u3067Linux\u30de\u30b7\u30f3\u3068Android\u3092\u7e4b\u3044\u3067\u8a71\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u305f\u8a71\u300d\u300c\u53f0\u98a8\u3067\u505c\u96fb\u306b\u306a\u3063\u3066\u7701\u96fb\u529b\u306e\u8a2d\u5b9a\u3092\u3057\u305f\u8a71\u300d\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u304c\u5f15\u304d\u7d99\u304c\u308c\u306a\u304f\u3066\u56f0\u3063\u305f\u306e\u3067\u8abf\u3079\u305f\u8a71\u300d</a> </strong> from <strong><a target=\"_blank\" href=\"//www.slideshare.net/matoken\">Kenichiro MATOHARA</a></strong>\n</div>\n<p>\u3053\u308c\u30671\u53f0\u305a\u3064\u4f7f\u3063\u3066\u3044\u304f\u3053\u3068\u306b\uff0e\u3057\u304b\u3057\uff0c\u4e0d\u5b89\u70b9\u304c\u30c7\u30fc\u30bf\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff0e \u4f55\u6642\u3082\u306f\u30ef\u30fc\u30af\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306fownCloud\u3067\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7&amp;\u30c7\u30a4\u30ea\u30fc\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u3078\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\u505c\u96fb\u6642\u306f\u30b5\u30fc\u30d0\u304c\u52d5\u3044\u3066\u306a\u3044&amp;\u96fb\u6c60\u306e\u5207\u308c\u305fPC\u304b\u3089\u5225\u306ePC\u306b\u4f5c\u696d\u5185\u5bb9\u304c\u79fb\u884c\u3067\u304d\u306a\u3044\uff0e\u3068\u3044\u3046\u3053\u3068\u3067lsyncd\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092USB\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc&amp;\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306fNILFS2\u306b\u3057\u3066\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3082\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\uff0e</p>\n<p>\u307e\u305a\u306fUSB\u30e1\u30e2\u30ea\u306e\u7528\u610f\uff0e\u666e\u901a\u306bNILFS2\u3067\u4f5c\u308a\u307e\u3059\uff0e<br />\n<em>/dev/sdz</em>\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u60c5\u5831\u3092\u524a\u9664\u3057\u3066\u5168\u9818\u57df1\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3067\u4f5c\u6210\u3057\uff0cNILFS2\u3067\u521d\u671f\u5316\u3057\u3066<em>/mnt</em>\u306b\u30de\u30a6\u30f3\u30c8\u3057\u3066\u30e6\u30fc\u30b6\uff0c\u30b0\u30eb\u30fc\u30d7\u3092\u81ea\u5206\u306e\u3082\u306e\u306b\u3057\u3066\u3044\u307e\u3059\uff0e</p>\n<pre><code>$ sudo wipefs -a /dev/sdz\r\n$ sudo fdisk /dev/sdz\r\nCommand (m for help): n\r\nPartition type\r\n   p   primary (0 primary, 0 extended, 4 free)\r\n   e   extended (container for logical partitions)\r\nSelect (default p): p\r\nPartition number (1-4, default 1):\r\nFirst sector (51-7821311, default 51):\r\nLast sector, +sectors or +size{K,M,G,T,P} (51-7821311, default 7821311):\r\n\r\nCreated a new partition 1 of type &#39;Linux&#39; and of size 3.7 GiB.\r\n\r\nCommand (m for help): w\r\n$ sudo mkfs.nilfs2 /dev/sdz1\r\n$ sudo mount /dev/sdz1 /mnt\r\n$ sudo chown `id -u`.`id -g` /mnt\r\n$ sudo chmod 700 /mnt</code></pre>\n<p>\u7d9a\u3044\u3066lsyncd\u3092\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3057\u307e\u3059\uff0elsyncd\u306finotify\u3092\u30c8\u30ea\u30ac\u30fc\u306b\u4efb\u610f\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u308a\u51fa\u6765\u307e\u3059\uff0e\u4e00\u822c\u7684\u306b\u306frsync\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u671f\u306b\u4f7f\u3044\u307e\u3059\uff0e\u4eca\u56de\u306f\u30a2\u30c9\u30db\u30c3\u30af\u306b\u30b3\u30de\u30f3\u30c9\u3068\u3057\u3066\u52d5\u304b\u3057\u307e\u3057\u305f\uff0e\u540c\u671f\u5143\u540c\u671f\u5148\u306frsync\u3068\u540c\u3058\u66f8\u304d\u65b9\u3060\u3068\u601d\u3046\u306e\u3067\u524d\u3082\u3063\u3066<em>rsync -avn from to</em>\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\uff0e</p>\n<pre><code>$ lsyncd -log all -nodaemon -rsync /home/mk/ownCloud /mnt/ownCloud</code></pre>\n<p>\u3053\u308c\u3067lsyncd\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\uff0c\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u81ea\u52d5\u7684\u306bUSB\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc\u3055\u308c\uff0cUSB\u30e1\u30e2\u30ea\u306e\u4e2d\u3067\u306f\u81ea\u52d5\u7684\u306b\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u308b\u72b6\u614b\u3067\u3059\uff0e \u4f5c\u696d\u306e\u533a\u5207\u308a\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u660e\u793a\u7684\u306b\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u66f4\u306b\u5b89\u5fc3\u3067\u3059\uff0e\uff08\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\uff0c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u306b\u306f\u4f55\u6642\u3067\u3082\u305d\u306e\u72b6\u614b\u306b\u5dfb\u304d\u623b\u305b\u308b\uff0e\u4f46\u3057\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u306f\u53e4\u3044\u3082\u306e\u304b\u3089\u9806\u306b\u81ea\u52d5\u7684\u306b\u524a\u9664\u3055\u308c\u308b\uff0e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u306f\u81ea\u52d5\u524a\u9664\u3055\u308c\u306a\u3044\uff09</p>\n<p>\u30de\u30b7\u30f3\u3092\u5207\u308a\u66ff\u3048\u308b\u3068\u304d\u306b\u306flsyncd\u3092\u6b62\u3081\u3066\u5ff5\u306e\u70barsync\u3092dry run\u3057\u3066\u540c\u671f\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u304a\u3044\u3066\uff0c\u65b0\u3057\u3044\u30de\u30b7\u30f3\u3067USB\u30e1\u30e2\u30ea\u304b\u3089SSD\u306brsync\u3057\u3066lsyncd\u3092\u52d5\u304b\u3059\u3068\u3044\u3046\u611f\u3058\u3067\u3057\u305f\uff0e</p>\n<ul>\n<li><a href=\"http://d.hatena.ne.jp/matoken/20110616/1308240479\" title=\"nilfs2 \u3092\u8a66\u3057\u3066\u307f\u308b - matoken\u2019s meme -hatena-\">nilfs2 \u3092\u8a66\u3057\u3066\u307f\u308b &#8211; matoken\u2019s meme -hatena-</a></li>\n<li><a href=\"http://www.slideshare.net/matoken/backup-fs-4\" title=\"\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u4e00\u756a\u3044\u3044\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u983c\u3080\">\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u4e00\u756a\u3044\u3044\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u983c\u3080</a></li>\n</ul>\n<p>\u95a2\u6771\u5728\u4f4f\u6642\u306e\u8a08\u753b\u505c\u96fb\u306e\u3068\u304d\u306f\u8a08\u753b\u7684\u3060\u3057\u6642\u9593\u3082\u305a\u308c\u306a\u3044\u3057\u3067\u6848\u5916\u56f0\u308a\u307e\u305b\u3093\u3067\u3057\u305f(\u4ed5\u4e8b\u306f\u5927\u5909\u3060\u3063\u305f\u3051\u3069)\uff0e\u3067\u3082\u5ff5\u306e\u70baNotePC\u306e\u5927\u5bb9\u91cf\u30d0\u30c3\u30c6\u30ea\u306f\u8cb7\u3044\u5897\u3057\u3057\u3066\u6301\u3061\u6b69\u3044\u3066\u3044\u307e\u3057\u305f\uff0e(\u4eca\u56de\u306e\u30d0\u30c3\u30c6\u30ea\u306e\u4e00\u3064\u3082\u305d\u308c)<br />\n\u2193\u306f\u305d\u306e\u9803\u306e\u767a\u8868\u30b9\u30e9\u30a4\u30c9</p>\n<ul>\n<li><a href=\"http://www.slideshare.net/matoken/ss-7961752\">\u6700\u8fd1\u306e\u8eab\u306e\u56de\u308a\u306e\u96fb\u529b\u4e8b\u60c5</a></li>\n</ul>\n<p>\u3061\u306a\u307f\u306b\u505c\u96fb\u304b\u308914,5\u6642\u9593\u3067\u643a\u5e2f\u57fa\u5730\u5c40\u306e\u30d0\u30c3\u30c6\u30ea\u3082\u5c3d\u304d\u305f\u3088\u3046\u3067\u5b8c\u5168\u306b\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0eNILFS2\u306f\u5927\u62b5\u6a19\u6e96\u3067\u306f\u5c0e\u5165\u3055\u308c\u3066\u3044\u306a\u3044\u3057\u624b\u5143\u3067\u306fGit\u7ba1\u7406\u3082\u3057\u3066\u3044\u308b\u306e\u3067NILFS2\u306f\u4f7f\u308f\u306a\u304f\u3066\u3082\u826f\u304b\u3063\u305f\u304b\u306a\u3068\u5f8c\u3067\u601d\u3044\u307e\u3057\u305f\uff0e</p>\n<p>\u5fa9\u65e7\u6642\u306e\u6b8b\u5bb9\u91cf\u306fNotePC \u304c1.5\u672c/\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u304c50% x2\u3068\u3044\u3046\u611f\u3058\u672a\u3060\u884c\u3051\u308b\u306a\u3068\u3044\u3046\u611f\u3058\u3067\u3057\u305f\uff0e\u3067\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u7e4b\u304c\u3063\u3066\u3044\u305f\u3089\u3082\u3063\u3068\u5229\u7528\u3057\u3066\u3044\u305f\u3067\u3057\u3087\u3046\uff0e</p>\n<p>\u3057\u304b\u3057\u3053\u306e\u8fba\u306f\u96f7\u3084\u3089\u5f37\u98a8\u3084\u3089\u3067\u3088\u304f\u505c\u96fb\u306b\u306a\u308a\u307e\u3059\uff0e\u5927\u62b5\u306f\u643a\u5e2f\u57fa\u5730\u5c40\u304c\u843d\u3061\u308b\u307e\u3067\u306b\u306f\u5fa9\u65e7\u3059\u308b\u306e\u3067\u3059\u304c\uff0c\u53f0\u98a8\u3060\u3068\u4eca\u56de\u306e\u3088\u3046\u306b\u9577\u3044\u505c\u96fb\u306b\uff0e\u3067\u3082\u5fa9\u65e7\u72b6\u6cc1\u3092\u505c\u96fb\u60c5\u5831\u30b5\u30a4\u30c8\u3067\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3068\u6df1\u591c\u306b\u3082\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5909\u308f\u3063\u3066\u3044\u306624\u6642\u9593\u4f53\u5236\u3067\u5fa9\u65e7\u3057\u3066\u308b\u306e\u304b\u3068\u9a5a\u304d\u307e\u3057\u305f\uff0e\u4e5d\u5dde\u96fb\u529b\u306e\u95a2\u4fc2\u8005\u306e\u307f\u306a\u3093\u3055\u3093\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059_o_<br />\n\uff08\u3067\u3082\u663c\u9803\u5fa9\u65e7-&gt;\u672c\u65e5\u4e2d-&gt;\u672c\u65e5\u672a\u660e\u5fa9\u65e7\u3068\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u305a\u308c\u8fbc\u3093\u3067\u3044\u304f\u3068\u306f\u3061\u3087\u3063\u3068\u3064\u3089\u304b\u3063\u305f\u3067\u3059\u2026\u2026\uff09</p>\n<ul>\n<li>\n<p><a href=\"http://www.kyuden.co.jp/emergency/pc/kyusyu.html\" title=\"\u4e5d\u5dde\u96fb\u529b\u682a\u5f0f\u4f1a\u793e \u505c\u96fb\u60c5\u5831\">\u4e5d\u5dde\u96fb\u529b\u682a\u5f0f\u4f1a\u793e\u3000\u505c\u96fb\u60c5\u5831</a></p>\n</li>\n<li><a href=\"http://nilfs.osdn.jp/ja/\" title=\"NILFS - Continuous Snapshotting Filesystem for Linux\">NILFS &#8211; Continuous Snapshotting Filesystem for Linux</a></li>\n<li>\n<p><a href=\"https://github.com/axkibe/lsyncd\" title=\"GitHub - axkibe/lsyncd: Lsyncd (Live Syncing Daemon) synchronizes local directories with remote targets\">GitHub &#8211; axkibe/lsyncd: Lsyncd (Live Syncing Daemon) synchronizes local directories with remote targets</a></p>\n</li>\n</ul>\n<p>\u3064\u3044\u3067\u306b\u4eca\u56de\u5f79\u306b\u305f\u3063\u305f\u3082\u306e\u3092</p>\n<ul>\n<li>\n<p>PETZL\u306e\u30ef\u30a4\u30e4\u5f0f\u30d8\u30c3\u30c9\u30e9\u30a4\u30c8<br />\n\u624b\u5143\u306e\u306f\u521d\u4ee3\u304b\u305d\u306e\u6b21\u304f\u3089\u3044\u306e\u53e4\u3044\u3082\u306e\u3067\u6697\u3044\u3051\u3069\u4fbf\u5229\u3067\u3057\u305f\uff0e<br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B00UAJ2EUA&#038;linkId=148ea2ed8145ee992e4f16870c3323aa\"></iframe\n></p>\n</li>\n<li>\n<p>\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u30fc<br />\nCheerox2\u306b\u79cb\u8449\u539f\u3067\u8cb7\u3063\u305f\u8b0e\u30d0\u30c3\u30c6\u30ea\u30fc\u306e3\u672c\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\uff0e\u57fa\u5730\u5c40\u304c\u843d\u3061\u308b\u307e\u3067\u306f\u30b9\u30de\u30db\u306b\u7d66\u96fb\uff0e\u57fa\u5730\u5c40\u304c\u843d\u3061\u3066\u304b\u3089\u306fiPad/Kobo/Raspberry Pi\u306b\u7d66\u96fb\u3057\u3066\u3044\u307e\u3057\u305f\uff0e<br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B00OXPDYGK&#038;linkId=d3240fbeacf9ece71dc30ce4c8a6b1a2\"></iframe\n></p>\n</li>\n<li>\n<p>Raspberry Pi B+ \u3068Adafruit3.5\u30a4\u30f3\u30c1\u6db2\u6676<br />\nUSB\u7a3c\u50cd\u306e\u6db2\u6676\u30e2\u30cb\u30bf\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u30d0\u30c3\u30c6\u30ea\u6d88\u8cbb\u91cf\u7684\u306b\u3053\u3044\u3064\u306e\u307b\u3046\u304c\u98df\u308f\u306a\u3044\u611f\u3058\u306a\u306e\u3067\u3061\u3063\u3053\u3044\u3067\u3059\u304c\u3053\u308c\u3067\u4f5c\u696d\u3057\u305f\u308a\u3082\uff0e\u3067\u3082NotePC\u306e\u30d0\u30c3\u30c6\u30ea\u304c\u5207\u308c\u306a\u304b\u3063\u305f\u306e\u3067\u30c6\u30b9\u30c8\u7a0b\u5ea6\uff0e<br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B00LT4BOK6&#038;linkId=f4a2bd1c5af811eaa16a73e7e5e0cc9f\"></iframe\n><br />\n<a href=\"https://www.adafruit.com/products/1601\" title=\"Adafruit PiTFT - 320x240 2.8 TFT+Touchscreen for Raspberry Pi ID: 1601 - $34.95 : Adafruit Industries, Unique &amp; fun DIY electronics and kits\">Adafruit PiTFT &#8211; 320&#215;240 2.8 TFT+Touchscreen for Raspberry Pi ID: 1601 &#8211; $34.95 : Adafruit Industries, Unique &amp; fun DIY electronics and kits</a></p>\n</li>\n<li>\n<p>\u30a8\u30cd\u30eb\u30fc\u30d7<br />\n\u81ea\u5df1\u653e\u96fb\u306e\u5c11\u306a\u3044\u5145\u96fb\u5f0f\u4e7e\u96fb\u6c60\u3067\u3059\uff0e\u81ea\u5df1\u653e\u96fb\u304c\u5c11\u306a\u3044\u306e\u3067\u5145\u96fb\u3057\u3066\u304a\u3044\u3066\u304a\u3051\u3070\u4f55\u6642\u3067\u3082\u4f7f\u3048\u308b\u306e\u304c\u826f\u3044\u3067\u3059\uff0e\u96fb\u6c17\u3092\u3042\u307e\u308a\u98df\u308f\u306a\u3044\u3082\u306e\u306f\u3053\u3044\u3064\u3067\uff0e \u3061\u306a\u307f\u306b\u5145\u96fb\u5668\u306f<a href=\"https://www.donya.jp/item/22145.html\" title=\"\u5358\u4e09\u30fb\u5358\u56db \u30cb\u30c3\u30b1\u30eb\u6c34\u7d20\u5145\u96fb\u6c60\u5bfe\u5fdc \u653e\u96fb\u6a5f\u80fd USB\u5145\u96fb\u30dd\u30fc\u30c8\u642d\u8f09 \u5145\u96fb\u5668 (16\u672c\u7528)\u306e\u901a\u4fe1\u8ca9\u58f2\u3010\u4e0a\u6d77\u554f\u5c4b\u3011 | \u4e0a\u6d77\u554f\u5c4b\">\u5358\u4e09\u30fb\u5358\u56db \u30cb\u30c3\u30b1\u30eb\u6c34\u7d20\u5145\u96fb\u6c60\u5bfe\u5fdc \u653e\u96fb\u6a5f\u80fd USB\u5145\u96fb\u30dd\u30fc\u30c8\u642d\u8f09 \u5145\u96fb\u5668 (16\u672c\u7528)\u306e\u901a\u4fe1\u8ca9\u58f2\u3010\u4e0a\u6d77\u554f\u5c4b\u3011 | \u4e0a\u6d77\u554f\u5c4b</a>\u3092\u4e3b\u306b\u4f7f\u3063\u3066\u3044\u307e\u3059\uff0e<br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B00P8SBKR6&#038;linkId=ea10f7d7ecaef23457a5f0df924ce225\"></iframe\n><br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B00C48VB6I&#038;linkId=e80e29548b60a4acb2e2cf0885c94db3\"></iframe\n></p>\n</li>\n<li>\n<p>\u30e6\u30cb\u30d5\u30ec\u30fc\u30e0\u30ac\u30b9\u30d0\u30fc\u30ca\u30fc<br />\n\u4e00\u822c\u7684\u306a\u30a4\u30ef\u30bf\u30cb\u3068\u304b\u306e\u30bf\u30a4\u30d7\u306e\u30ab\u30bb\u30c3\u30c8\u30b3\u30f3\u30ed\u30ac\u30b9\u304c\u4f7f\u3048\u308b(\u975e\u63a8\u5968)\u306a\u30ac\u30b9\u30d0\u30fc\u30ca\u30fc\u3067\u3059\uff0e\u5c71\u5411\u3051\u306e\u30ac\u30b9\u3084\u30a2\u30eb\u30b3\u30fc\u30eb\u306b\u6bd4\u3079\u3066\u5927\u5206\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u304c\u5b89\u304f\u4ed8\u304d\u307e\u3059\uff0e\u4f4e\u5730\u306e\u307f\u306a\u3089\u3053\u308c\u3067\u5341\u5206\uff0e(\u624b\u6301\u3061\u306e\u306f\u30b4\u30c8\u30af\u306e\u5c0f\u3055\u3044\u6050\u3089\u304f\u53e4\u3044\u30e2\u30c7\u30eb\u306e\u3082\u306e\u3082\u3063\u3068\u5b89\u304b\u3063\u305f\u3057)<br />\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"//rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;I\nS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B017973KIU&#038;linkId=d00da3ee64e8b88f8cb4a26cba09a1d6\"></iframe\n></p>\n</li>\n</ul>\n",
            "content_text": "\u5148\u65e5\u306e\u53f0\u98a816\u53f7\u306709/19 23:00\u9803\u304b\u308909/22 12:45\u9803\u307e\u3067\u505c\u96fb\u3057\u3066\u3044\u307e\u3057\u305f\u2026\u2026\uff0e \u3068\u308a\u3042\u3048\u305a\u30b5\u30fc\u30d0\u306f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u3066ThinkPad X200\u306f\u30d0\u30c3\u30c6\u30ea\u304c4\u672c\uff0cX220\u306f2\u672c\uff0c\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u306f10000mA x3\u3068\u3044\u3046\u611f\u3058\u3067\u505c\u96fb\u958b\u59cb\uff0e \u3068\u308a\u3042\u3048\u305a\u666e\u901a\u306b\u4f7f\u3063\u3066\u3044\u3066\u3082X200\u3060\u3051\u3067\u30823\u55b6\u696d\u65e5\u4ee5\u4e0a\u306f\u8010\u3048\u3089\u308c\u308b\u306f\u305a\u3067\u3059\uff0e\n\u3067\u3082\u4e00\u5fdcNotePC\u306f\u5fc5\u9808\u30c7\u30d0\u30a4\u30b9\u4ee5\u5916\u306f\u53d6\u308a\u5916\u3057\u3066\u8f1d\u5ea6\u3092\u4e0b\u3052\u3066powertop\u3067\u7701\u96fb\u529b\u30e2\u30fc\u30c9\u306b\uff0e\n\uff03powertop\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306e\u8fba\u308a\u3092\u53c2\u8003\u306b\uff0e  \n\n \u300cBluetooth\u3067Linux\u30de\u30b7\u30f3\u3068Android\u3092\u7e4b\u3044\u3067\u8a71\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u305f\u8a71\u300d\u300c\u53f0\u98a8\u3067\u505c\u96fb\u306b\u306a\u3063\u3066\u7701\u96fb\u529b\u306e\u8a2d\u5b9a\u3092\u3057\u305f\u8a71\u300d\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u304c\u5f15\u304d\u7d99\u304c\u308c\u306a\u304f\u3066\u56f0\u3063\u305f\u306e\u3067\u8abf\u3079\u305f\u8a71\u300d  from Kenichiro MATOHARA\n\n\u3053\u308c\u30671\u53f0\u305a\u3064\u4f7f\u3063\u3066\u3044\u304f\u3053\u3068\u306b\uff0e\u3057\u304b\u3057\uff0c\u4e0d\u5b89\u70b9\u304c\u30c7\u30fc\u30bf\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff0e \u4f55\u6642\u3082\u306f\u30ef\u30fc\u30af\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306fownCloud\u3067\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7&amp;\u30c7\u30a4\u30ea\u30fc\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u3078\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\u505c\u96fb\u6642\u306f\u30b5\u30fc\u30d0\u304c\u52d5\u3044\u3066\u306a\u3044&amp;\u96fb\u6c60\u306e\u5207\u308c\u305fPC\u304b\u3089\u5225\u306ePC\u306b\u4f5c\u696d\u5185\u5bb9\u304c\u79fb\u884c\u3067\u304d\u306a\u3044\uff0e\u3068\u3044\u3046\u3053\u3068\u3067lsyncd\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092USB\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc&amp;\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306fNILFS2\u306b\u3057\u3066\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3082\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\uff0e\n\u307e\u305a\u306fUSB\u30e1\u30e2\u30ea\u306e\u7528\u610f\uff0e\u666e\u901a\u306bNILFS2\u3067\u4f5c\u308a\u307e\u3059\uff0e\n/dev/sdz\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u60c5\u5831\u3092\u524a\u9664\u3057\u3066\u5168\u9818\u57df1\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3067\u4f5c\u6210\u3057\uff0cNILFS2\u3067\u521d\u671f\u5316\u3057\u3066/mnt\u306b\u30de\u30a6\u30f3\u30c8\u3057\u3066\u30e6\u30fc\u30b6\uff0c\u30b0\u30eb\u30fc\u30d7\u3092\u81ea\u5206\u306e\u3082\u306e\u306b\u3057\u3066\u3044\u307e\u3059\uff0e\n$ sudo wipefs -a /dev/sdz\r\n$ sudo fdisk /dev/sdz\r\nCommand (m for help): n\r\nPartition type\r\n   p   primary (0 primary, 0 extended, 4 free)\r\n   e   extended (container for logical partitions)\r\nSelect (default p): p\r\nPartition number (1-4, default 1):\r\nFirst sector (51-7821311, default 51):\r\nLast sector, +sectors or +size{K,M,G,T,P} (51-7821311, default 7821311):\r\n\r\nCreated a new partition 1 of type &#39;Linux&#39; and of size 3.7 GiB.\r\n\r\nCommand (m for help): w\r\n$ sudo mkfs.nilfs2 /dev/sdz1\r\n$ sudo mount /dev/sdz1 /mnt\r\n$ sudo chown `id -u`.`id -g` /mnt\r\n$ sudo chmod 700 /mnt\n\u7d9a\u3044\u3066lsyncd\u3092\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3057\u307e\u3059\uff0elsyncd\u306finotify\u3092\u30c8\u30ea\u30ac\u30fc\u306b\u4efb\u610f\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u308a\u51fa\u6765\u307e\u3059\uff0e\u4e00\u822c\u7684\u306b\u306frsync\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u671f\u306b\u4f7f\u3044\u307e\u3059\uff0e\u4eca\u56de\u306f\u30a2\u30c9\u30db\u30c3\u30af\u306b\u30b3\u30de\u30f3\u30c9\u3068\u3057\u3066\u52d5\u304b\u3057\u307e\u3057\u305f\uff0e\u540c\u671f\u5143\u540c\u671f\u5148\u306frsync\u3068\u540c\u3058\u66f8\u304d\u65b9\u3060\u3068\u601d\u3046\u306e\u3067\u524d\u3082\u3063\u3066rsync -avn from to\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\uff0e\n$ lsyncd -log all -nodaemon -rsync /home/mk/ownCloud /mnt/ownCloud\n\u3053\u308c\u3067lsyncd\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\uff0c\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u81ea\u52d5\u7684\u306bUSB\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc\u3055\u308c\uff0cUSB\u30e1\u30e2\u30ea\u306e\u4e2d\u3067\u306f\u81ea\u52d5\u7684\u306b\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u308b\u72b6\u614b\u3067\u3059\uff0e \u4f5c\u696d\u306e\u533a\u5207\u308a\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u660e\u793a\u7684\u306b\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u66f4\u306b\u5b89\u5fc3\u3067\u3059\uff0e\uff08\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\uff0c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u306b\u306f\u4f55\u6642\u3067\u3082\u305d\u306e\u72b6\u614b\u306b\u5dfb\u304d\u623b\u305b\u308b\uff0e\u4f46\u3057\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u306f\u53e4\u3044\u3082\u306e\u304b\u3089\u9806\u306b\u81ea\u52d5\u7684\u306b\u524a\u9664\u3055\u308c\u308b\uff0e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u306f\u81ea\u52d5\u524a\u9664\u3055\u308c\u306a\u3044\uff09\n\u30de\u30b7\u30f3\u3092\u5207\u308a\u66ff\u3048\u308b\u3068\u304d\u306b\u306flsyncd\u3092\u6b62\u3081\u3066\u5ff5\u306e\u70barsync\u3092dry run\u3057\u3066\u540c\u671f\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u304a\u3044\u3066\uff0c\u65b0\u3057\u3044\u30de\u30b7\u30f3\u3067USB\u30e1\u30e2\u30ea\u304b\u3089SSD\u306brsync\u3057\u3066lsyncd\u3092\u52d5\u304b\u3059\u3068\u3044\u3046\u611f\u3058\u3067\u3057\u305f\uff0e\n\nnilfs2 \u3092\u8a66\u3057\u3066\u307f\u308b &#8211; matoken\u2019s meme -hatena-\n\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u4e00\u756a\u3044\u3044\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u983c\u3080\n\n\u95a2\u6771\u5728\u4f4f\u6642\u306e\u8a08\u753b\u505c\u96fb\u306e\u3068\u304d\u306f\u8a08\u753b\u7684\u3060\u3057\u6642\u9593\u3082\u305a\u308c\u306a\u3044\u3057\u3067\u6848\u5916\u56f0\u308a\u307e\u305b\u3093\u3067\u3057\u305f(\u4ed5\u4e8b\u306f\u5927\u5909\u3060\u3063\u305f\u3051\u3069)\uff0e\u3067\u3082\u5ff5\u306e\u70baNotePC\u306e\u5927\u5bb9\u91cf\u30d0\u30c3\u30c6\u30ea\u306f\u8cb7\u3044\u5897\u3057\u3057\u3066\u6301\u3061\u6b69\u3044\u3066\u3044\u307e\u3057\u305f\uff0e(\u4eca\u56de\u306e\u30d0\u30c3\u30c6\u30ea\u306e\u4e00\u3064\u3082\u305d\u308c)\n\u2193\u306f\u305d\u306e\u9803\u306e\u767a\u8868\u30b9\u30e9\u30a4\u30c9\n\n\u6700\u8fd1\u306e\u8eab\u306e\u56de\u308a\u306e\u96fb\u529b\u4e8b\u60c5\n\n\u3061\u306a\u307f\u306b\u505c\u96fb\u304b\u308914,5\u6642\u9593\u3067\u643a\u5e2f\u57fa\u5730\u5c40\u306e\u30d0\u30c3\u30c6\u30ea\u3082\u5c3d\u304d\u305f\u3088\u3046\u3067\u5b8c\u5168\u306b\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0eNILFS2\u306f\u5927\u62b5\u6a19\u6e96\u3067\u306f\u5c0e\u5165\u3055\u308c\u3066\u3044\u306a\u3044\u3057\u624b\u5143\u3067\u306fGit\u7ba1\u7406\u3082\u3057\u3066\u3044\u308b\u306e\u3067NILFS2\u306f\u4f7f\u308f\u306a\u304f\u3066\u3082\u826f\u304b\u3063\u305f\u304b\u306a\u3068\u5f8c\u3067\u601d\u3044\u307e\u3057\u305f\uff0e\n\u5fa9\u65e7\u6642\u306e\u6b8b\u5bb9\u91cf\u306fNotePC \u304c1.5\u672c/\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u304c50% x2\u3068\u3044\u3046\u611f\u3058\u672a\u3060\u884c\u3051\u308b\u306a\u3068\u3044\u3046\u611f\u3058\u3067\u3057\u305f\uff0e\u3067\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u7e4b\u304c\u3063\u3066\u3044\u305f\u3089\u3082\u3063\u3068\u5229\u7528\u3057\u3066\u3044\u305f\u3067\u3057\u3087\u3046\uff0e\n\u3057\u304b\u3057\u3053\u306e\u8fba\u306f\u96f7\u3084\u3089\u5f37\u98a8\u3084\u3089\u3067\u3088\u304f\u505c\u96fb\u306b\u306a\u308a\u307e\u3059\uff0e\u5927\u62b5\u306f\u643a\u5e2f\u57fa\u5730\u5c40\u304c\u843d\u3061\u308b\u307e\u3067\u306b\u306f\u5fa9\u65e7\u3059\u308b\u306e\u3067\u3059\u304c\uff0c\u53f0\u98a8\u3060\u3068\u4eca\u56de\u306e\u3088\u3046\u306b\u9577\u3044\u505c\u96fb\u306b\uff0e\u3067\u3082\u5fa9\u65e7\u72b6\u6cc1\u3092\u505c\u96fb\u60c5\u5831\u30b5\u30a4\u30c8\u3067\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3068\u6df1\u591c\u306b\u3082\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5909\u308f\u3063\u3066\u3044\u306624\u6642\u9593\u4f53\u5236\u3067\u5fa9\u65e7\u3057\u3066\u308b\u306e\u304b\u3068\u9a5a\u304d\u307e\u3057\u305f\uff0e\u4e5d\u5dde\u96fb\u529b\u306e\u95a2\u4fc2\u8005\u306e\u307f\u306a\u3093\u3055\u3093\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059_o_\n\uff08\u3067\u3082\u663c\u9803\u5fa9\u65e7-&gt;\u672c\u65e5\u4e2d-&gt;\u672c\u65e5\u672a\u660e\u5fa9\u65e7\u3068\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u305a\u308c\u8fbc\u3093\u3067\u3044\u304f\u3068\u306f\u3061\u3087\u3063\u3068\u3064\u3089\u304b\u3063\u305f\u3067\u3059\u2026\u2026\uff09\n\n\n\u4e5d\u5dde\u96fb\u529b\u682a\u5f0f\u4f1a\u793e\u3000\u505c\u96fb\u60c5\u5831\n\nNILFS &#8211; Continuous Snapshotting Filesystem for Linux\n\nGitHub &#8211; axkibe/lsyncd: Lsyncd (Live Syncing Daemon) synchronizes local directories with remote targets\n\n\n\u3064\u3044\u3067\u306b\u4eca\u56de\u5f79\u306b\u305f\u3063\u305f\u3082\u306e\u3092\n\n\nPETZL\u306e\u30ef\u30a4\u30e4\u5f0f\u30d8\u30c3\u30c9\u30e9\u30a4\u30c8\n\u624b\u5143\u306e\u306f\u521d\u4ee3\u304b\u305d\u306e\u6b21\u304f\u3089\u3044\u306e\u53e4\u3044\u3082\u306e\u3067\u6697\u3044\u3051\u3069\u4fbf\u5229\u3067\u3057\u305f\uff0e\n\n\n\n\u30e2\u30d0\u30a4\u30eb\u30d0\u30c3\u30c6\u30ea\u30fc\nCheerox2\u306b\u79cb\u8449\u539f\u3067\u8cb7\u3063\u305f\u8b0e\u30d0\u30c3\u30c6\u30ea\u30fc\u306e3\u672c\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\uff0e\u57fa\u5730\u5c40\u304c\u843d\u3061\u308b\u307e\u3067\u306f\u30b9\u30de\u30db\u306b\u7d66\u96fb\uff0e\u57fa\u5730\u5c40\u304c\u843d\u3061\u3066\u304b\u3089\u306fiPad/Kobo/Raspberry Pi\u306b\u7d66\u96fb\u3057\u3066\u3044\u307e\u3057\u305f\uff0e\n\n\n\nRaspberry Pi B+ \u3068Adafruit3.5\u30a4\u30f3\u30c1\u6db2\u6676\nUSB\u7a3c\u50cd\u306e\u6db2\u6676\u30e2\u30cb\u30bf\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u30d0\u30c3\u30c6\u30ea\u6d88\u8cbb\u91cf\u7684\u306b\u3053\u3044\u3064\u306e\u307b\u3046\u304c\u98df\u308f\u306a\u3044\u611f\u3058\u306a\u306e\u3067\u3061\u3063\u3053\u3044\u3067\u3059\u304c\u3053\u308c\u3067\u4f5c\u696d\u3057\u305f\u308a\u3082\uff0e\u3067\u3082NotePC\u306e\u30d0\u30c3\u30c6\u30ea\u304c\u5207\u308c\u306a\u304b\u3063\u305f\u306e\u3067\u30c6\u30b9\u30c8\u7a0b\u5ea6\uff0e\n\nAdafruit PiTFT &#8211; 320&#215;240 2.8 TFT+Touchscreen for Raspberry Pi ID: 1601 &#8211; $34.95 : Adafruit Industries, Unique &amp; fun DIY electronics and kits\n\n\n\u30a8\u30cd\u30eb\u30fc\u30d7\n\u81ea\u5df1\u653e\u96fb\u306e\u5c11\u306a\u3044\u5145\u96fb\u5f0f\u4e7e\u96fb\u6c60\u3067\u3059\uff0e\u81ea\u5df1\u653e\u96fb\u304c\u5c11\u306a\u3044\u306e\u3067\u5145\u96fb\u3057\u3066\u304a\u3044\u3066\u304a\u3051\u3070\u4f55\u6642\u3067\u3082\u4f7f\u3048\u308b\u306e\u304c\u826f\u3044\u3067\u3059\uff0e\u96fb\u6c17\u3092\u3042\u307e\u308a\u98df\u308f\u306a\u3044\u3082\u306e\u306f\u3053\u3044\u3064\u3067\uff0e \u3061\u306a\u307f\u306b\u5145\u96fb\u5668\u306f\u5358\u4e09\u30fb\u5358\u56db \u30cb\u30c3\u30b1\u30eb\u6c34\u7d20\u5145\u96fb\u6c60\u5bfe\u5fdc \u653e\u96fb\u6a5f\u80fd USB\u5145\u96fb\u30dd\u30fc\u30c8\u642d\u8f09 \u5145\u96fb\u5668 (16\u672c\u7528)\u306e\u901a\u4fe1\u8ca9\u58f2\u3010\u4e0a\u6d77\u554f\u5c4b\u3011 | \u4e0a\u6d77\u554f\u5c4b\u3092\u4e3b\u306b\u4f7f\u3063\u3066\u3044\u307e\u3059\uff0e\n\n\n\n\n\u30e6\u30cb\u30d5\u30ec\u30fc\u30e0\u30ac\u30b9\u30d0\u30fc\u30ca\u30fc\n\u4e00\u822c\u7684\u306a\u30a4\u30ef\u30bf\u30cb\u3068\u304b\u306e\u30bf\u30a4\u30d7\u306e\u30ab\u30bb\u30c3\u30c8\u30b3\u30f3\u30ed\u30ac\u30b9\u304c\u4f7f\u3048\u308b(\u975e\u63a8\u5968)\u306a\u30ac\u30b9\u30d0\u30fc\u30ca\u30fc\u3067\u3059\uff0e\u5c71\u5411\u3051\u306e\u30ac\u30b9\u3084\u30a2\u30eb\u30b3\u30fc\u30eb\u306b\u6bd4\u3079\u3066\u5927\u5206\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8\u304c\u5b89\u304f\u4ed8\u304d\u307e\u3059\uff0e\u4f4e\u5730\u306e\u307f\u306a\u3089\u3053\u308c\u3067\u5341\u5206\uff0e(\u624b\u6301\u3061\u306e\u306f\u30b4\u30c8\u30af\u306e\u5c0f\u3055\u3044\u6050\u3089\u304f\u53e4\u3044\u30e2\u30c7\u30eb\u306e\u3082\u306e\u3082\u3063\u3068\u5b89\u304b\u3063\u305f\u3057)",
            "date_published": "2016-09-28T22:01:20+09:00",
            "date_modified": "2016-10-04T15:55:53+09:00",
            "authors": [
                {
                    "name": "matoken",
                    "url": "https://matoken.org/blog/author/matoken/",
                    "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
                }
            ],
            "author": {
                "name": "matoken",
                "url": "https://matoken.org/blog/author/matoken/",
                "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
            },
            "tags": [
                "Linux",
                "lsyncd",
                "NILFS2",
                "rsync",
                "\u505c\u96fb"
            ]
        },
        {
            "id": "http://matoken.org/blog/?p=1232",
            "url": "https://matoken.org/blog/2016/02/27/only-be-synchronized-files-of-a-specific-time-in-the-find-rsync/",
            "title": "find+rsync\u3067\u7279\u5b9a\u671f\u9593\u306e\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u540c\u671f\u3059\u308b",
            "content_html": "<p><!--\nfind+rsync\u3067\u7279\u5b9a\u6642\u9593\u306e\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u540c\u671f\u3059\u308b\n--></p>\n<p>\u5c0f\u30cd\u30bf\u3067\u3059\u304c\uff0e<br />\n<code style=\"font-family: VL Gothic;\">~mk/POD</code>\u4ee5\u4e0b\u304b\u3089\u5185\u5bb9\u66f4\u65b0\u65e5\u6642\u304c1440\u5206(1\u65e5)\u4ee5\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\u3066\u540c\u671f\u3057\u3066\u3044\u307e\u3059\uff0e</p>\n<pre class=\"editor-colors lang-text\"><div class=\"line\"><span class=\"text plain\"><span class=\"meta paragraph text\"><span>cd&nbsp;~mk/POD&nbsp;;&nbsp;find&nbsp;.&nbsp;-mmin&nbsp;-1440&nbsp;-type&nbsp;f&nbsp;-print0&nbsp;|&nbsp;rsync&nbsp;--delete&nbsp;--progress&nbsp;--files-from=-&nbsp;--from0&nbsp;~mk/POD/&nbsp;/var/www/owncloud/data/matoken/files/podcast/</span></span></span></div></pre>\n<p>find\u30b3\u30de\u30f3\u30c9\u3067\u6b32\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\uff0crsync\u3067\u305d\u306e\u7d50\u679c\u3092\u540c\u671f\u3057\u3066\u3044\u307e\u3059\uff0e<br />\n\u2013files-from\u306b<code style=\"font-family: VL Gothic;\">-</code>\u3092\u3064\u3051\u308b\u3053\u3068\u3067find\u3067\u691c\u7d22\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u6a19\u6e96\u5165\u529b\u304b\u3089\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\uff0e<br />\n\u4fbf\u5229 :)</p>\n<p>\u4e00\u5fdc\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a73\u7d30</p>\n<ul>\n<li>\n<p>find<br />\n-mmin -1440 : \u5185\u5bb9\u66f4\u65b0\u65e5\u6642\u304c1440\u5206(1\u65e5)\u4ee5\u5185<br />\n-type f : \u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22<br />\n-print0 : \u533a\u5207\u308a\u6587\u5b57\u3092NULL\u306b\u3059\u308b</p>\n</li>\n<li>\n<p>rsync<br />\n\u2013delete\u2013delete : \u7121\u304f\u306a\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u524a\u9664\u3059\u308b<br />\n\u2013progress : \u30d7\u30ed\u30b0\u30ec\u30b9\u3092\u8868\u793a<br />\n\u2013files-from=- : STDIN\u304b\u3089\u540c\u671f\u5143\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u3080<br />\n\u2013from0 : \u533a\u5207\u308a\u6587\u5b57\u3092NULL\u3068\u3057\u3066\u6271\u3046</p>\n</li>\n</ul>\n<p><iframe src=\"http://rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=ss_til&#038;asins=B00J4KDYV4\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"></iframe><iframe src=\"http://rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=ss_til&#038;asins=4873112672\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"></iframe><iframe src=\"http://rcm-fe.amazon-adsystem.com/e/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=matokensmeme-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=ss_til&#038;asins=B019O8NFDC\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"></iframe></p>\n<p><!--\n```\ncd ~mk/POD ; find . -mmin -1440 -type f -print0 | xargs -n1 -I{} ln {} /var/www/owncloud/data/matoken/files/podcast//var/www/owncloud/data/matoken/files/podcast/{}\n```\n--></p>\n",
            "content_text": "\u5c0f\u30cd\u30bf\u3067\u3059\u304c\uff0e\n~mk/POD\u4ee5\u4e0b\u304b\u3089\u5185\u5bb9\u66f4\u65b0\u65e5\u6642\u304c1440\u5206(1\u65e5)\u4ee5\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\u3066\u540c\u671f\u3057\u3066\u3044\u307e\u3059\uff0e\ncd&nbsp;~mk/POD&nbsp;;&nbsp;find&nbsp;.&nbsp;-mmin&nbsp;-1440&nbsp;-type&nbsp;f&nbsp;-print0&nbsp;|&nbsp;rsync&nbsp;--delete&nbsp;--progress&nbsp;--files-from=-&nbsp;--from0&nbsp;~mk/POD/&nbsp;/var/www/owncloud/data/matoken/files/podcast/\nfind\u30b3\u30de\u30f3\u30c9\u3067\u6b32\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u63a2\u3057\uff0crsync\u3067\u305d\u306e\u7d50\u679c\u3092\u540c\u671f\u3057\u3066\u3044\u307e\u3059\uff0e\n\u2013files-from\u306b-\u3092\u3064\u3051\u308b\u3053\u3068\u3067find\u3067\u691c\u7d22\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u6a19\u6e96\u5165\u529b\u304b\u3089\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\uff0e\n\u4fbf\u5229 :)\n\u4e00\u5fdc\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\n\n\nfind\n-mmin -1440 : \u5185\u5bb9\u66f4\u65b0\u65e5\u6642\u304c1440\u5206(1\u65e5)\u4ee5\u5185\n-type f : \u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\n-print0 : \u533a\u5207\u308a\u6587\u5b57\u3092NULL\u306b\u3059\u308b\n\n\nrsync\n\u2013delete\u2013delete : \u7121\u304f\u306a\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u524a\u9664\u3059\u308b\n\u2013progress : \u30d7\u30ed\u30b0\u30ec\u30b9\u3092\u8868\u793a\n\u2013files-from=- : STDIN\u304b\u3089\u540c\u671f\u5143\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u3080\n\u2013from0 : \u533a\u5207\u308a\u6587\u5b57\u3092NULL\u3068\u3057\u3066\u6271\u3046",
            "date_published": "2016-02-27T23:42:20+09:00",
            "date_modified": "2016-02-28T01:08:40+09:00",
            "authors": [
                {
                    "name": "matoken",
                    "url": "https://matoken.org/blog/author/matoken/",
                    "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
                }
            ],
            "author": {
                "name": "matoken",
                "url": "https://matoken.org/blog/author/matoken/",
                "avatar": "https://secure.gravatar.com/avatar/38f5f3b575c5eb45cda6aa659bca119ac7a5e16b46565e869d0030e3bd66981d?s=512&d=mm&r=g"
            },
            "tags": [
                "find",
                "rsync",
                "\u672a\u5206\u985e"
            ]
        }
    ]
}