Mute machine at night
15. 1. 2020https://unix.stackexchange.com/questions/170950/how-can-i-automatically-silence-my-computer-at-night
crontab -e
and add
# Mute sound at night from 1:00 to 6:59
0 1 * * * amixer set Master mute
59 6 * * * amixer set Master unmute
