init system used by most modern Linux distros

Useful Commands

Usage: systemctl <command>

mask Useful when stopping a service, as it prevents anything (such as IAAS systems) from restarting it.

cat <service-name> Prints the unit’s service files.

list-unit-files List all unit files; useful when grepped

list-units Shows only loaded units by default; less comprehensive than list-unit-files

daemon-reload Reload all unit files; this should be run when a unit file is modified