Example
Listing services
systemctlTo list running servicessystemctl --failedTo list failed services
Managing Targets (Similar to Runlevels in SysV)
systemctl get-defaultTo find the default target for your systemsystemctl set-default <target-name>To set the default target for your system
Managing services at runtime
systemctl start [service-name]To start a servicesystemctl stop [service-name]To stop a servicesystemctl restart [service-name]To restart a servicesystemctl reload [service-name]To request service to reload its configurationsystemctl status [service-name]To show current status of a service
Managing autostart of services
systemctl is-enabled [service-name]To show whether a service is enabled on system bootsystemctl is-active [service-name]To show whether a service is currently active(running)systemctl enable [service-name]To enable a service on system bootsystemctl disable [service-name]To disable a service on system boot
Masking services
systemctl mask [service-name]To mask a service (Makes it hard to start a service by mistake)systemctl unmask [service-name]To unmask a service
Restarting systemd
systemctl daemon-reload
