SystemD

@init, @Linux, @Red_Hat

systemctl


Command Notes
systemctl List services
start SERVICE Used to start a service (not reboot persistent)
stop SERVICE Used to stop a service (not reboot persistent)
restart SERVICE Used to stop and then start a service
reload SERVICE When supported, reloads the config file without interrupting pending operations
condrestart SERVICE Restarts if the service is already running
status SERVICE Tells whether a service is currently running
enable SERVICE Turn the service on, for start at next boot, or other trigger
disable SERVICE Turn the service off for the next reboot, or any other trigger
is-enabled SERVICE Used to check whether a service is configured to start or not in the current environment
list-unit-files --type=service Print a table of services that lists which runlevels each is configured on or off
daemon-reload Used when you create a new service file or modify any configuration

Directories


Single User Mode

Add the following to the kernel arguments `systemd.unit=rescue.target`

Links