{"id":5442,"date":"2026-04-22T07:11:23","date_gmt":"2026-04-21T22:11:23","guid":{"rendered":"https:\/\/matoken.org\/blog\/?p=5442"},"modified":"2026-04-22T07:11:25","modified_gmt":"2026-04-21T22:11:25","slug":"traffic-could-no-longer-be-measured-with-vnstat","status":"publish","type":"post","link":"https:\/\/matoken.org\/blog\/2026\/04\/22\/traffic-could-no-longer-be-measured-with-vnstat\/","title":{"rendered":"vnStat\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u8a08\u6e2c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3044\u305f"},"content":{"rendered":"<div id=\"preamble\">\n<div class=\"sectionbody\">\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"48\" height=\"48\" viewBox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M3.288 20.713Q3 20.425 3 20v-1q0-.425.288-.712T4 18t.713.288T5 19v1q0 .425-.288.713T4 21t-.712-.288m4 0Q7 20.426 7 20v-5.5q0-.425.288-.712T8 13.5t.713.288T9 14.5V20q0 .425-.288.713T8 21t-.712-.288m4 0Q11 20.426 11 20v-3.5q0-.425.288-.712T12 15.5t.713.288t.287.712V20q0 .425-.288.713T12 21t-.712-.288m4 0Q15 20.426 15 20v-5q0-.425.288-.712T16 14t.713.288T17 15v5q0 .425-.288.713T16 21t-.712-.288m4 0Q19 20.426 19 20v-9q0-.425.288-.712T20 10t.713.288T21 11v9q0 .425-.288.713T20 21t-.712-.288M14 11.975q-.4 0-.763-.15t-.662-.425L10 8.825l-5.3 5.3q-.3.3-.712.288t-.713-.313q-.275-.3-.262-.712T3.3 12.7l5.275-5.275q.3-.3.663-.437T10 6.85t.775.138t.65.437L14 10l5.3-5.3q.3-.3.713-.288t.712.313q.275.3.263.713t-.288.687L15.425 11.4q-.275.275-.65.425t-.775.15\"\/><\/svg><!-- https:\/\/icon-sets.iconify.design\/?query=monitoring material-symbols:monitoring-rounded --><\/p>\n<div class=\"paragraph\">\n<p>\u3057\u3070\u3089\u304f\u524d\u304b\u3089vnStat \u3068\u3044\u3046\u30c4\u30fc\u30eb\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a08\u6e2c\u3057\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3057\u305f\uff0e<\/p>\n<\/div>\n<div class=\"ulist\">\n<ul>\n<li>\n<p><a href=\"https:\/\/github.com\/vergoh\/vnstat\">vergoh\/vnstat: vnStat &#8211; a network traffic monitor for Linux and BSD<\/a><\/p>\n<div class=\"ulist\">\n<ul>\n<li>\n<p><a href=\"https:\/\/matoken.org\/blog\/2021\/05\/28\/vnstat\/\">vnStat\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u96c6\u8a08\u3059\u308b \u2013 matoken&#8217;s blog<\/a><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"paragraph\">\n<p>\u30d3\u30c7\u30aa\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u901a\u4fe1\u6599\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3068\u3044\u3063\u305f\u3053\u3068\u306b\u4f7f\u3063\u3066\u3044\u307e\u3059\uff0e<br \/>\n\u3057\u304b\u3057\u5148\u65e5\u30d3\u30c7\u30aa\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u5f8c\u306b\u901a\u4fe1\u6599\u3092\u78ba\u8a8d\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3046\u307e\u304f\u884c\u304d\u307e\u305b\u3093\uff0e<\/p>\n<\/div>\n<p><!--more--><\/p>\n<div class=\"paragraph\">\n<p>\u30ec\u30f3\u30b8\u3092\u9593\u9055\u3048\u305f\u304b\u306a\u3068\u601d\u3044\u307e\u3057\u305f\u304c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u4ee5\u5916\u540c\u3058\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4ed6\u306e\u7aef\u672b\u3067\u5b9f\u884c\u3059\u308b\u3068\u51fa\u3066\u6765\u308b\u306e\u3067\u30ec\u30f3\u30b8\u306f\u6b63\u3057\u305d\u3046\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ vnstat -i enx349971e11a0f -b '2026-04-19 14:00' -e '2026-04-20 00:40' -h\nNo hourly data available for given date range.<\/pre>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<p><code>-l<\/code> \u3067\u30e9\u30a4\u30d6\u30e2\u30fc\u30c9\u3060\u3068\u3046\u307e\u304f\u52d5\u3044\u3066\u3044\u305d\u3046\u3067\u3059\u304c\uff0c <code>-h<\/code> \u3084 <code>-5<\/code> \u3092\u53e9\u304f\u3068\u52d5\u304f\u3051\u3069\u53e4\u3044\u30c7\u30fc\u30bf\u3057\u304b\u51fa\u3066\u304d\u307e\u305b\u3093\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ vnstat -i enx349971e11a0f -h\n\n enx349971e11a0f  \/  hourly\n\n         hour        rx      |     tx      |    total    |   avg. rate\n     ------------------------+-------------+-------------+---------------\n     2026-04-04\n         17:00    218.69 MiB |   18.13 MiB |  236.82 MiB |  551.83 kbit\/s\n         18:00      1.65 GiB |   72.64 MiB |    1.72 GiB |    4.11 Mbit\/s\n         19:00    756.85 MiB |   42.89 MiB |  799.74 MiB |    1.86 Mbit\/s\n         20:00    140.48 MiB |   12.13 MiB |  152.61 MiB |  355.61 kbit\/s\n         21:00      8.02 MiB |    3.54 MiB |   11.56 MiB |   26.93 kbit\/s\n         22:00      7.24 MiB |    3.89 MiB |   11.13 MiB |   25.93 kbit\/s\n         23:00      6.15 MiB |    3.66 MiB |    9.81 MiB |   22.85 kbit\/s\n     2026-04-05\n         00:00      4.99 MiB |    3.47 MiB |    8.46 MiB |   19.71 kbit\/s\n         01:00      5.71 MiB |    3.51 MiB |    9.22 MiB |   21.49 kbit\/s\n         02:00      2.87 MiB |    3.32 MiB |    6.19 MiB |   14.42 kbit\/s\n         03:00     11.47 MiB |   22.75 MiB |   34.22 MiB |   79.74 kbit\/s\n         04:00    784.37 MiB |   39.35 MiB |  823.72 MiB |    1.92 Mbit\/s\n         05:00    626.25 MiB |   32.25 MiB |  658.50 MiB |    1.53 Mbit\/s\n         06:00     38.78 MiB |   11.54 MiB |   50.32 MiB |  117.26 kbit\/s\n         07:00     16.57 MiB |    4.71 MiB |   21.29 MiB |   49.60 kbit\/s\n         08:00     12.33 MiB |    4.39 MiB |   16.71 MiB |   38.95 kbit\/s\n         09:00     12.20 MiB |    4.78 MiB |   16.98 MiB |   39.56 kbit\/s\n         10:00    104.22 MiB |    6.25 MiB |  110.47 MiB |  257.41 kbit\/s\n         16:00     14.04 MiB |   10.51 MiB |   24.55 MiB |   57.20 kbit\/s\n         17:00     47.55 MiB |   10.81 MiB |   58.36 MiB |  135.99 kbit\/s\n         18:00     93.25 MiB |   13.96 MiB |  107.21 MiB |  249.82 kbit\/s\n         19:00    133.44 MiB |   19.54 MiB |  152.98 MiB |  356.47 kbit\/s\n         20:00     53.40 MiB |    6.77 MiB |   60.17 MiB |  140.21 kbit\/s\n         21:00      3.52 MiB |    1.28 MiB |    4.80 MiB |   11.19 kbit\/s\n     ------------------------+-------------+-------------+---------------<\/pre>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<p>vnStat \u3078\u306e\u767b\u9332\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4e00\u65e6\u524a\u9664\u3057\u3066\u767b\u9332\u3057\u76f4\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ sudo vnstat --remove -i enx349971e11a0f --force <b class=\"conum\">(1)<\/b>\n$ sudo vnstat --add -i enx349971e11a0f <b class=\"conum\">(2)<\/b>\n$ vnstat -5\nNo 5 minute data available.<\/pre>\n<\/div>\n<\/div>\n<div class=\"colist arabic\">\n<ol>\n<li>\n<p>vnStat \u304b\u3089 <code>enx349971e11a0f<\/code> \u3092\u524a\u9664<\/p>\n<\/li>\n<li>\n<p><code>enx349971e11a0f<\/code> \u3092\u8ffd\u52a0\u3057\u76f4\u3057<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"paragraph\">\n<p>\u6570\u6642\u9593\u5f8c\u78ba\u8a8d\u3057\u3066\u3082\u30c7\u30fc\u30bf\u304c\u898b\u3048\u307e\u305b\u3093\u2026\u2026\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ vnstat -5\nNo 5 minute data available.<\/pre>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<p>\u3088\u304f\u898b\u308b\u3068vnStat \u306e\u7d50\u679c\u306e1\u884c\u76ee\u306b\u5909\u306a\u65e5\u4ed8\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ vnstat -i enx349971e11a0f\nDatabase updated: 2026-05-05 08:08:00\n\n   enx349971e11a0f since 2026-04-21\n\n          rx:  0 B      tx:  0 B      total:  0 B\n\n   monthly\n                     rx      |     tx      |    total    |   avg. rate\n     ------------------------+-------------+-------------+---------------\n                                no data available\n     ------------------------+-------------+-------------+---------------\n     estimated       --      |     --      |     --      |\n\n   daily\n                     rx      |     tx      |    total    |   avg. rate\n     ------------------------+-------------+-------------+---------------\n                                no data available\n     ------------------------+-------------+-------------+---------------\n     estimated       --      |     --      |     --      |<\/pre>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<p>db \u304c\u672a\u6765\u306e\u65e5\u4ed8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e<\/p>\n<\/div>\n<div class=\"quoteblock\">\n<blockquote>\n<div class=\"paragraph\">\n<p>Database updated: 2026-05-05 08:08:00<\/p>\n<\/div>\n<\/blockquote>\n<\/div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u7aef\u672b\u306fRTC \u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d0\u30c3\u30c6\u30ea\u304c\u6b7b\u3093\u3067\u3044\u308b\u3088\u3046\u3067\u30d0\u30c3\u30c6\u30ea\u5207\u308c\u3067\u843d\u3061\u308b\u3068\u6642\u8a08\u304c\u98db\u3093\u3067\u3057\u307e\u3044\u307e\u3059\uff0e\u305d\u306e\u6b21\u306e\u8d77\u52d5\u6642\u306bUEFI \u3067\u6642\u8a08\u3092\u5408\u308f\u305b\u3066\u8d77\u52d5\u3057\u3066\uff0c\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u5f8c\u306bntp \u3067\u6642\u8a08\u5408\u308f\u305b\u3057\u3066\u3082\u3089\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304c\uff0c\u6050\u3089\u304f\u305d\u306e\u3068\u304d\u306b5\/5\u306b\u3057\u3066\u3057\u307e\u3044vnStat \u306edb \u304c\u304a\u304b\u3057\u304f\u306a\u3063\u305f\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff0e<\/p>\n<\/div>\n<div class=\"paragraph\">\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u304a\u304b\u3057\u305d\u3046\u306a\u306e\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308a\u76f4\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ sudo service vnstat stop <b class=\"conum\">(1)<\/b>\n$ sudo -u vnstat mv \/var\/lib\/vnstat\/vnstat.db \/var\/lib\/vnstat\/vnstat.db.bak <b class=\"conum\">(2)<\/b>\n$ sudo service vnstat start <b class=\"conum\">(3)<\/b>\n$ vnstat -i enx349971e11a0f <b class=\"conum\">(4)<\/b>\n enx349971e11a0f: No data. Timestamp of last update is same 2026-04-22 05:37:54 as of database creation.<\/pre>\n<\/div>\n<\/div>\n<div class=\"colist arabic\">\n<ol>\n<li>\n<p>vnStat \u3092\u4e00\u65e6\u505c\u6b62<\/p>\n<\/li>\n<li>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u9000\u907f<\/p>\n<\/li>\n<li>\n<p>vnStat \u3092\u8d77\u52d5<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"paragraph\">\n<p>\u3057\u3070\u3089\u304f\u5f8c\u306b\u78ba\u8a8d\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3067\u3061\u3083\u3093\u3068\u52d5\u304d\u59cb\u3081\u305f\u3088\u3046\u3067\u3059\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ vnstat -i enx349971e11a0f -h\n\n enx349971e11a0f  \/  hourly\n\n         hour        rx      |     tx      |    total    |   avg. rate\n     ------------------------+-------------+-------------+---------------\n     2026-04-22\n         05:00     66.23 MiB |    9.14 MiB |   75.37 MiB |  175.62 kbit\/s\n         06:00     13.89 MiB |    4.69 MiB |   18.58 MiB |   86.61 kbit\/s\n     ------------------------+-------------+-------------+---------------\n$ vnstat -i enx349971e11a0f -5\n\n enx349971e11a0f  \/  5 minute\n\n         time        rx      |     tx      |    total    |   avg. rate\n     ------------------------+-------------+-------------+---------------\n     2026-04-22\n         05:35    201.93 KiB |  113.63 KiB |  315.56 KiB |    8.62 kbit\/s\n         05:40     10.26 MiB |    1.57 MiB |   11.84 MiB |  330.99 kbit\/s\n         05:45      7.15 MiB |    2.31 MiB |    9.46 MiB |  264.57 kbit\/s\n         05:50     38.63 MiB |    4.22 MiB |   42.85 MiB |    1.20 Mbit\/s\n         05:55      9.99 MiB |  949.36 KiB |   10.91 MiB |  305.14 kbit\/s\n         06:00      8.72 MiB |    1.32 MiB |   10.04 MiB |  280.77 kbit\/s\n         06:05      1.35 MiB |  858.75 KiB |    2.19 MiB |   61.13 kbit\/s\n         06:10    725.47 KiB |  429.95 KiB |    1.13 MiB |   31.55 kbit\/s\n         06:15    637.71 KiB |  431.47 KiB |    1.04 MiB |   29.20 kbit\/s\n         06:20      0.98 MiB |  989.68 KiB |    1.95 MiB |   54.39 kbit\/s\n         06:25      1.52 MiB |  736.79 KiB |    2.24 MiB |   62.61 kbit\/s\n     ------------------------+-------------+-------------+---------------<\/pre>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<p>\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u306f\u5931\u308f\u308c\u307e\u3057\u305f\u304c\uff0c\u3068\u308a\u3042\u3048\u305a\u307e\u305f\u8a08\u6e2c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<\/p>\n<\/div>\n<div class=\"paragraph\">\n<p>\u307e\u305f\u304a\u304b\u3057\u304f\u306a\u308b\u524d\u306b\u96fb\u6c60\u3092\u4ea4\u63db\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff0e<\/p>\n<\/div>\n<div class=\"ulist\">\n<ul>\n<li>\n<p><a href=\"https:\/\/www.amazon.co.jp\/dp\/B0FF546SBF\">Amazon.co.jp: CR2016 CMOS\u96fb\u6c60 \u30ec\u30ce\u30dcThinkpad X1 Carbon 2nd,3th,4th,5th Gen,X280,A285\u306a\u3069\u306b\u5bfe\u5fdc : \u30d1\u30bd\u30b3\u30f3\u30fb\u5468\u8fba\u6a5f\u5668<\/a><\/p>\n<div class=\"ulist\">\n<ul>\n<li>\n<p><a href=\"https:\/\/amzn.to\/4vztd7U\">\u540c\u30a2\u30d5\u30a7\u30ea\u30a8\u30a4\u30c8\u30ea\u30f3\u30af<\/a><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"paragraph\">\n<p>\u3053\u306e\u3088\u3046\u306acron \u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3057\u305f\uff0e1\u65e51\u56devnStat \u306edb \u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u53e4\u3044\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u6d88\u305d\u3046\u3068\u3057\u3066\u3044\u307e\u3059\uff0e<\/p>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"content\">\n<pre>$ sudo -u vnstat crontab -l | grep vnstat\n@daily  cp --backup=numbered \/var\/lib\/vnstat\/vnstat.db \/var\/lib\/vnstat\/vnstat.db.bak &amp;&amp; find \/var\/lib\/vnstat\/ -name \"vnstat.db.bak*\" -ctime 14 -exec rm {} \\;<\/pre>\n<\/div>\n<\/div>\n<div class=\"listingblock\">\n<div class=\"title\">\u74b0\u5883<\/div>\n<div class=\"content\">\n<pre>$ dpkg-query -W vnstat* cron\ncron    3.0pl1-208\nvnstat  2.13-1\nvnstati 2.13-1\n$ lsb_release -dr\nDescription:    Debian GNU\/Linux forky\/sid\nRelease:        n\/a\n$ arch\nx86_64<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3057\u3070\u3089\u304f\u524d\u304b\u3089vnStat \u3068\u3044\u3046\u30c4\u30fc\u30eb\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a08\u6e2c\u3057\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3057\u305f\uff0e vergoh\/vnstat: vnStat &#8211; a network traffic monitor for Li [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"webmentions_disabled_pings":false,"webmentions_disabled":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"federated","footnotes":""},"categories":[7,6,199],"tags":[657,660],"class_list":["post-5442","post","type-post","status-publish","format-standard","hentry","category-debian-linux","category-linux","category-sid","tag-network","tag-vnstat"],"_links":{"self":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/5442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/comments?post=5442"}],"version-history":[{"count":1,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/5442\/revisions"}],"predecessor-version":[{"id":5443,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/posts\/5442\/revisions\/5443"}],"wp:attachment":[{"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/media?parent=5442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/categories?post=5442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/matoken.org\/blog\/wp-json\/wp\/v2\/tags?post=5442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}