#i3 - How not to loose focus when navigating with a JetBrains IDE
Add the following directive to ~/.i3/config
focus_follows_mouse no#WeeChat - Filters and tags with WeeChat
/filter add joinquit * irc_join,irc_part,irc_quit *
#Systemd - How to read live-tail logs of multiple services with journalctl
Tail logs of multiple services
sudo journalctl --follow _SYSTEMD_UNIT=docker.service + _SYSTEMD_UNIT=apache2.service
#Shell - Set sound volume from the command-line
Add the next function and its corresponding alias to a shell startup script to set sound volume from the command-line. Thanks to Nick Robinson-Wall for sharing how to set/get/mute volume from the command line with #macos.
function set_sound_volume() {
local PERCENTAGE="${1}"
echo 'About to set volume up to '"${PERCENTAGE}"' % of its maximal value'
osascript -e 'set volume output volume '"${PERCENTAGE}"
}
alias set-sound-volume='set_sound_volume'
#Apt - The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6494C6D6997C215E
Install a valid GPG signing key by following instructions from https:/
wget -q -O - https:// dl.google.com/ linux/ linux_signing_key.pub | sudo apt-key add -