List of Compose Key Combinations
/usr/share/X11/locale/en_US.UTF-8/Compose contains a list of symbols that can
be written with the compose key.
Enable System Request
Linux has a number of SysRq key (Print Screen) combinations to perform debug or emergency actions.
Add the following to
/etc/sysctl.d/99-sysctl.conf to enable all commands.
kernel.sysrq = 1
For more information refer to the Linux documentation and the Arch wiki.
Clean the Pacman Cache
sudo paccache -k2 -r
Update AUR Packages
Check for outdated packages:
PKGBUILD for each package you want to update:
cower -df pkg1 pkg2 pkg3
Build and install updated packages:
# shell for pkg in pkg1 pkg2 pkg3 ; do cd "$HOME/aur/$pkg" makepkg -si done