System control

Lock screen

$ dbus-send --type=method_call --dest=org.freedesktop.ScreenSaver /ScreenSaver org.freedesktop.ScreenSaver.Lock

Unlock screen

$ dbus-send --type=method_call --dest=org.freedesktop.ScreenSaver /ScreenSaver org.freedesktop.ScreenSaver.SetActive boolean:false

Reboot the system

$ reboot
$ shutdown -r
$ systemctl reboot

Shutdown the system

$ poweroff
$ shutdown -h now
$ reboot -p
$ systemctl poweroff
$ halt

Shutdown the system at a specific time

$ shutdown -h 18:45 "Server is going down for maintenance"

Stop Bluetooth service

$ service bluetooth stop
$ systemctl stop bluetooth

Start Bluetooth service

$ service bluetooth start
$ systemctl start bluetooth

Stop wifi service

$ nmcli nm wifi off

Start wifi service

$ nmcli nm wifi on

Turn off monitor

$ xset dpms force off

Suspend the system

$ systemctl suspend
$ pm-suspend

Hibernate the system

$ systemctl hibernate

List running services

$ systemctl list-units --type=service
$ service --status-all

Start a service

$ systemctl start [serviceName]
$ service [serviceName] start

Stop a service

$ systemctl stop [serviceName]
$ service [serviceName] stop

Enable service at boot

$ systemctl enable [serviceName]

View service logs

$ journalctl -u [serviceName]