音量和屏幕亮度控制不起作用

多媒体键

首先为亮度和音量安装这些软件包：

sudo apt-get update; sudo apt-get install xbacklight alsa-utils pulseaudio

将这些行添加到~/.config/i3/config

# Pulse Audio controls


bindsym XF86AudioRaiseVolume exec --no-startup-id pactl -- set-sink-volume 0 +5% #increase sound volume


bindsym XF86AudioLowerVolume exec --no-startup-id pactl -- set-sink-volume 0 -5% #decrease sound volume


bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute 0 toggle # mute sound



# Sreen brightness controls


bindsym XF86MonBrightnessUp exec xbacklight -inc 20 # increase screen brightness


bindsym XF86MonBrightnessDown exec xbacklight -dec 20 # decrease screen brightness

Mod键

要更改$mod键：

 
set $mod

 
set $mod Mod4