Checking what service running
service --status-all
Check only Services running and on
service --status-all | grep '\[ + \]'
Check only Services Off
service --status-all | grep '\[ - \]'
List Services with systemctl command
systemctl list-units -a
Command to disable Services
systemctl disable “packagename” (with out quotes)
How to show the Ubuntu version
lsb_release -a