Linux Systemd
From Free Knowledge Base- The DUCK Project: information for everyone
systemd provides an array of system components for Linux operating systems. Its main aim is to unify service configuration and behavior across Linux distributions.
systemd replaces [Linux Sys V]]
systemd uses the systemctl command
systemctl command
Command Description systemctl start [service] Start a service. systemctl stop [service] Stop a service. systemctl enable [service] Enable a service to start automatically at system boot. systemctl disable [service] Disable a service from starting automatically at system boot. systemctl status [service] View the status of a service. systemctl restart [service] Restart a service. systemctl reload [service] Reload a service's configuration without restarting it. systemctl mask [service] Prevent a service from being started. systemctl unmask [service] Allow a previously masked service to be started. systemctl set-default [target] Change the default system target (runlevel). systemctl list-unit-files List all installed unit files and their states. systemctl list-dependencies [unit] List the dependencies of a specific unit. systemctl list-sockets List all active sockets. systemctl list-jobs List all active systemd jobs. systemctl list-units Show the status of all loaded and active systemd units.
To start the service, all you have to do is use the start flag with the systemctl command
sudo systemctl start <service_name>
To stop the service, you use the stop flag with the systemctl command
sudo systemctl stop <service_name>
Enabling service referes to start the service automatically at the system boot.
sudo systemctl enable <service_name>
Prevent the service from auto starting at boot
sudo systemctl disable <service_name>
Check the status of the service
sudo systemctl status <service_name>