{
    "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/brightness/feed/json/ -- and add it your reader.",
    "home_page_url": "https://matoken.org/blog/tag/brightness/",
    "feed_url": "https://matoken.org/blog/tag/brightness/feed/json/",
    "language": "ja",
    "title": "Brightness – 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=2059",
            "url": "https://matoken.org/blog/2018/08/27/use-light-with-awesome-wm-to-adjust-the-brightness/",
            "title": "awesome WM \u3067 Light \u3092\u5229\u7528\u3057\u3066\u8f1d\u5ea6\u8abf\u6574\u3059\u308b",
            "content_html": "<div id=\"__asciidoctor-preview-476__\" class=\"paragraph\">\n<p>\u4ee5\u524d\u306f awesome WM \u3067\u306e\u8f1d\u5ea6\u8abf\u6574\u306f <code style=\"font-family: noto-sans-regular;\">xbacklight</code> \u3092\u5229\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\uff0c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-488__\" class=\"listingblock bash\">\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: noto-sans-regular;\">$ xbacklight -get\r\nNo outputs have backlight property</code></pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-492__\" class=\"paragraph\">\n<p>\u6700\u8fd1\u307e\u3067 ThinkPad \u304c1\u53f0\u3060\u3051\u306b\u306a\u3063\u3066\u6301\u3061\u904b\u3073\u3092\u3057\u306a\u304f\u306a\u3063\u3066\u3044\u305f\u306e\u3082\u3042\u308a\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3067 <code style=\"font-family: noto-sans-regular;\">/sys/class/backlight/intel_backlight/brightness</code> \u306b\u6295\u3052\u3066\u3044\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-504__\" class=\"listingblock bash\">\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: noto-sans-regular;\">$ echo 800 | sudo tee /sys/class/backlight/intel_backlight/brightness\r\n800</code></pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-508__\" class=\"paragraph\">\n<p>\u3057\u304b\u3057\uff0c\u6700\u8fd1 T430s/X201i \u306e\u30b8\u30e3\u30f3\u30af\u3092\u5165\u624b\u3057\u3066\u88dc\u4fee\u3057\u3066\u6301\u3061\u904b\u3079\u308b ThinkPad \u304c\u51fa\u6765\u307e\u3057\u305f :)<br />\n\u305d\u3046\u306a\u308b\u3068\u5834\u6240\u306b\u3088\u308a\u660e\u308b\u3055\u304c\u5909\u308f\u3063\u305f\u308a\uff0c\u8f1d\u5ea6\u3092\u4e0b\u3052\u3066\u30d0\u30c3\u30c6\u30ea\u30fc\u6301\u3061\u3092\u826f\u304f\u3057\u305f\u308a\u3057\u305f\u3044\u3068\u3044\u3046\u611f\u3058\u3067\u3053\u307e\u3081\u306b\u8d77\u52d5\u8abf\u6574\u304c\u3057\u305f\u304f\u306a\u308a\u307e\u3057\u305f\uff0e<br />\n\u4ed6\u306ewm\u306epower manager\u3092\u4f7f\u3046\u3068\u4e00\u5fdc\u8f1d\u5ea6\u8abf\u6574\u3067\u304d\u308b\u3051\u3069\u3042\u307e\u308a\u5b09\u3057\u304f\u306a\u3044\u306a\u3068\u3044\u3046\u3053\u3068\u3067\u3061\u3087\u3063\u3068\u63a2\u3057\u3066\u307f\u308b\u3068\uff0c <code style=\"font-family: noto-sans-regular;\">Light</code> \u3068\u3044\u3046\u3082\u306e\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-514__\" class=\"ulist\">\n<ul>\n<li>\n<p><a href=\"http://haikarainen.github.io/light/\">Light by haikarainen</a></p>\n</li>\n</ul>\n</div>\n<div id=\"__asciidoctor-preview-526__\" class=\"paragraph\">\n<p>Arch Linux, Fedora \u306b\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308b\u3088\u3046\u3067\u3059\uff0e\u4eca\u56de\u306fsource\u304b\u3089Ubuntu\u3068Debian\u306b\u5c0e\u5165\u3057\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-540__\" class=\"listingblock bash\">\n<div class=\"title\">\u5c0e\u5165</div>\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: noto-sans-regular;\">$ git clone https://github.com/haikarainen/light\r\n$ cd light\r\n$ ./autogen.sh\r\n$ ./configure\r\n$ make\r\n$ sudo checkinstall</code></pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-544__\" class=\"paragraph\">\n<p>\u3068\u308a\u3042\u3048\u305a\u305d\u306e\u307e\u307e\u65e2\u5b9a\u5024\u3067build\u3057\u307e\u3057\u305f\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-558__\" class=\"listingblock bash\">\n<div class=\"title\">\u5b9f\u884c\u4f8b</div>\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: noto-sans-regular;\">$ light -G  #\u8f1d\u5ea6\u53d6\u5f97\r\n56.34\r\n$ light -A 10 #\u8f1d\u5ea6 10 Up\r\n$ light -U 10 #\u8f1d\u5ea6 10 Down</code></pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-562__\" class=\"paragraph\">\n<p>\u554f\u984c\u306a\u304f\u52d5\u304d\u307e\u3057\u305f\uff0e\u4ed6\u306b\u3082\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3042\u308a\u307e\u3059\u304c\uff0c\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3060\u3051\u52d5\u3051\u3070\u554f\u984c\u3042\u308a\u307e\u305b\u3093\uff0e<br />\nawesome WM \u306e <code style=\"font-family: noto-sans-regular;\">~/.config/awesome/lua.rc</code> \u306b\u66f8\u3044\u3066\u307f\u307e\u3059\uff0e</p>\n</div>\n<div id=\"__asciidoctor-preview-576__\" class=\"listingblock lua\">\n<div class=\"title\">rc.lua</div>\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: noto-sans-regular;\">diff --git a/rc.lua b/rc.lua\r\nindex f9a7467..9f461b9 100644\r\n--- a/rc.lua\r\n+++ b/rc.lua\r\n@@ -289,8 +289,12 @@ globalkeys = awful.util.table.join(\r\n\r\n     -- Brightness Controle\r\n---    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"xbacklight - 5\") end),\r\n --    awful.key({         }, \"XF86MonBrightnessUp\",   function () awful.util.spawn(\"xbacklight + 5\") end),\r\n+--    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"xbacklight - 5\") end),\r\n+    -- \u4ee5\u4e0b\u306e light \u3092\u5229\u7528\r\n+    -- \"haikarainen/light: GNU/Linux application to control backlights\" https://github.com/haikarainen/light\r\n+    awful.key({         }, \"XF86MonBrightnessUp\",   function () awful.util.spawn(\"light -A 10\") end),\r\n+    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"light -U 10\") end),\r\n\r\n     -- lock screen\r\n     awful.key({ \"Mod1\"  }, \"l\", function () awful.util.spawn( \"xscreensaver-command -activate\",false) end),</code></pre>\n</div>\n</div>\n<div id=\"__asciidoctor-preview-580__\" class=\"paragraph\">\n<p>awesome WM \u306e restart \u3092\u3057\u3066\uff0c\u8f1d\u5ea6\u8abf\u6574\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3061\u3083\u3093\u3068\u8f1d\u5ea6\u304cUp/Down\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<br />\n\u3053\u308c\u3067\u5916\u51fa\u5148\u3067\u3082\u56f0\u308a\u307e\u305b\u3093 :)</p>\n</div>\n<div id=\"__asciidoctor-preview-1__\" class=\"listingblock bash\">\n<div class=\"title\">\u74b0\u58831</div>\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: Menlo, Consolas, &quot;DejaVu Sans Mono&quot;, monospace;\">$ $ dpkg-query -W awesome*\r\nawesome 4.2-4\r\nawesome-doc\r\nawesome-extra   2017110501\r\n$ lsb_release -d\r\nDescription:    Ubuntu 18.04.1 LTS\r\n$ uname -m\r\nx86_64</code></pre>\n</div>\n<div class=\"title\">\u74b0\u58832</div>\n<div class=\"content\">\n<pre class=\"\"><code style=\"font-family: Menlo, Consolas, &quot;DejaVu Sans Mono&quot;, monospace;\">$ dpkg-query -W awesome*\r\nawesome 4.2-5\r\nawesome-doc     4.2-5\r\nawesome-extra   2018041201\r\n$ lsb_release -d\r\nDescription:    Debian GNU/Linux unstable (sid)\r\n$ uname -m\r\nx86_64</code></pre>\n</div>\n</div>\n",
            "content_text": "\u4ee5\u524d\u306f awesome WM \u3067\u306e\u8f1d\u5ea6\u8abf\u6574\u306f xbacklight \u3092\u5229\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\uff0c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f\uff0e\n\n\n\n$ xbacklight -get\r\nNo outputs have backlight property\n\n\n\n\u6700\u8fd1\u307e\u3067 ThinkPad \u304c1\u53f0\u3060\u3051\u306b\u306a\u3063\u3066\u6301\u3061\u904b\u3073\u3092\u3057\u306a\u304f\u306a\u3063\u3066\u3044\u305f\u306e\u3082\u3042\u308a\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3067 /sys/class/backlight/intel_backlight/brightness \u306b\u6295\u3052\u3066\u3044\u307e\u3057\u305f\uff0e\n\n\n\n$ echo 800 | sudo tee /sys/class/backlight/intel_backlight/brightness\r\n800\n\n\n\n\u3057\u304b\u3057\uff0c\u6700\u8fd1 T430s/X201i \u306e\u30b8\u30e3\u30f3\u30af\u3092\u5165\u624b\u3057\u3066\u88dc\u4fee\u3057\u3066\u6301\u3061\u904b\u3079\u308b ThinkPad \u304c\u51fa\u6765\u307e\u3057\u305f :)\n\u305d\u3046\u306a\u308b\u3068\u5834\u6240\u306b\u3088\u308a\u660e\u308b\u3055\u304c\u5909\u308f\u3063\u305f\u308a\uff0c\u8f1d\u5ea6\u3092\u4e0b\u3052\u3066\u30d0\u30c3\u30c6\u30ea\u30fc\u6301\u3061\u3092\u826f\u304f\u3057\u305f\u308a\u3057\u305f\u3044\u3068\u3044\u3046\u611f\u3058\u3067\u3053\u307e\u3081\u306b\u8d77\u52d5\u8abf\u6574\u304c\u3057\u305f\u304f\u306a\u308a\u307e\u3057\u305f\uff0e\n\u4ed6\u306ewm\u306epower manager\u3092\u4f7f\u3046\u3068\u4e00\u5fdc\u8f1d\u5ea6\u8abf\u6574\u3067\u304d\u308b\u3051\u3069\u3042\u307e\u308a\u5b09\u3057\u304f\u306a\u3044\u306a\u3068\u3044\u3046\u3053\u3068\u3067\u3061\u3087\u3063\u3068\u63a2\u3057\u3066\u307f\u308b\u3068\uff0c Light \u3068\u3044\u3046\u3082\u306e\u3092\u898b\u3064\u3051\u307e\u3057\u305f\uff0e\n\n\n\n\nLight by haikarainen\n\n\n\n\nArch Linux, Fedora \u306b\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308b\u3088\u3046\u3067\u3059\uff0e\u4eca\u56de\u306fsource\u304b\u3089Ubuntu\u3068Debian\u306b\u5c0e\u5165\u3057\u307e\u3057\u305f\uff0e\n\n\n\u5c0e\u5165\n\n$ git clone https://github.com/haikarainen/light\r\n$ cd light\r\n$ ./autogen.sh\r\n$ ./configure\r\n$ make\r\n$ sudo checkinstall\n\n\n\n\u3068\u308a\u3042\u3048\u305a\u305d\u306e\u307e\u307e\u65e2\u5b9a\u5024\u3067build\u3057\u307e\u3057\u305f\uff0e\n\n\n\u5b9f\u884c\u4f8b\n\n$ light -G  #\u8f1d\u5ea6\u53d6\u5f97\r\n56.34\r\n$ light -A 10 #\u8f1d\u5ea6 10 Up\r\n$ light -U 10 #\u8f1d\u5ea6 10 Down\n\n\n\n\u554f\u984c\u306a\u304f\u52d5\u304d\u307e\u3057\u305f\uff0e\u4ed6\u306b\u3082\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3042\u308a\u307e\u3059\u304c\uff0c\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3060\u3051\u52d5\u3051\u3070\u554f\u984c\u3042\u308a\u307e\u305b\u3093\uff0e\nawesome WM \u306e ~/.config/awesome/lua.rc \u306b\u66f8\u3044\u3066\u307f\u307e\u3059\uff0e\n\n\nrc.lua\n\ndiff --git a/rc.lua b/rc.lua\r\nindex f9a7467..9f461b9 100644\r\n--- a/rc.lua\r\n+++ b/rc.lua\r\n@@ -289,8 +289,12 @@ globalkeys = awful.util.table.join(\r\n\r\n     -- Brightness Controle\r\n---    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"xbacklight - 5\") end),\r\n --    awful.key({         }, \"XF86MonBrightnessUp\",   function () awful.util.spawn(\"xbacklight + 5\") end),\r\n+--    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"xbacklight - 5\") end),\r\n+    -- \u4ee5\u4e0b\u306e light \u3092\u5229\u7528\r\n+    -- \"haikarainen/light: GNU/Linux application to control backlights\" https://github.com/haikarainen/light\r\n+    awful.key({         }, \"XF86MonBrightnessUp\",   function () awful.util.spawn(\"light -A 10\") end),\r\n+    awful.key({         }, \"XF86MonBrightnessDown\", function () awful.util.spawn(\"light -U 10\") end),\r\n\r\n     -- lock screen\r\n     awful.key({ \"Mod1\"  }, \"l\", function () awful.util.spawn( \"xscreensaver-command -activate\",false) end),\n\n\n\nawesome WM \u306e restart \u3092\u3057\u3066\uff0c\u8f1d\u5ea6\u8abf\u6574\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3061\u3083\u3093\u3068\u8f1d\u5ea6\u304cUp/Down\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e\n\u3053\u308c\u3067\u5916\u51fa\u5148\u3067\u3082\u56f0\u308a\u307e\u305b\u3093 :)\n\n\n\u74b0\u58831\n\n$ $ dpkg-query -W awesome*\r\nawesome 4.2-4\r\nawesome-doc\r\nawesome-extra   2017110501\r\n$ lsb_release -d\r\nDescription:    Ubuntu 18.04.1 LTS\r\n$ uname -m\r\nx86_64\n\n\u74b0\u58832\n\n$ dpkg-query -W awesome*\r\nawesome 4.2-5\r\nawesome-doc     4.2-5\r\nawesome-extra   2018041201\r\n$ lsb_release -d\r\nDescription:    Debian GNU/Linux unstable (sid)\r\n$ uname -m\r\nx86_64",
            "date_published": "2018-08-27T07:52:08+09:00",
            "date_modified": "2018-08-27T08:56:18+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": [
                "awesome",
                "Brightness",
                "Light",
                "Bionic Beaver(18.04LTS)",
                "Debian",
                "Linux",
                "sid",
                "Ubuntu"
            ]
        }
    ]
}