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@tukiyo3

コマンドラインから画面の輝度を変更する - brightnessctl

Last updated at Posted at 2020-06-08

grubにGRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"を記述しupdate-grubをしてもだめだったため以下を使った。

インストール

apt install -y brightnessctl

設定

ユーザーをinputとvideoグループに追加。

( /usr/share/doc/brightnessctl/README.md に書いてあります。)

実行

# 明るさを50%に設定
brightnessctl s 50

# 明るさを10%に設定
brightnessctl s 10
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