i3 Window Manager

Startup

xmodmap ~/.Xmodmap
xinput disable "SynPS/2 Synaptics TouchPad"

The contents of ~/.Xmodmap:

clear lock
clear control
keycode 66 = Control_L
add control = Control_L Control_R

Screens

List:

xrandr -q

Example:

# home (left and right)
xrandr --output HDMI-1 --left-of eDP-1

# duplicate (James's ACER CB270HU Monitor)::
xrandr --output DP-1 --same-as eDP-1 --mode 1920x1080

xrandr --output eDP-1 --auto --output DP-1 --auto --left-of eDP-1

Refresh (auto-detect):

xrandr --auto

Sound

alsamixer
# toggle sound
amixer -q -D pulse sset Master toggle

List devices:

aplay -l

Networking

If wireless networking no longer works after resuming from suspend:

sudo systemctl restart network-manager.service

WiFi Connections:

nmtui

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