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To get a list of the service on your system, you may run:

 service --status-all 

The output of service –status-all lists the state of services controlled by System V.

The + indicates the service is running, – indicates a stopped service. You can see this by running service SERVICENAME status for a + and – service.

Some services are managed by Upstart. You can check the status of all Upstart services with sudo initctl list. Any service managed by Upstart will also show in the list provided by service –status-all but will be marked with a ?.

Systemd service management

Listing services

 systemctl To list running services 
 systemctl --failed To list failed services 

Managing Targets (Similar to Runlevels in SysV)

 systemctl get-default To find the default target for your system 
 systemctl set-default  To set the default target for your system 

Managing services at runtime

systemctl start [service-name] To start a service 
systemctl stop [service-name] To stop a service 
systemctl restart [service-name] To restart a service 
systemctl reload [service-name] To request service to reload its configuration 
systemctl 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 boot 
systemctl is-active [service-name] To show whether a service is currently active(running) 
systemctl enable [service-name] To enable a service on system boot 
systemctl 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 

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