Linux commands (007)--Systemctl

The SYSTEMCTL command is a system service management directive that actually combines the service and chkconfig two commands together.

Task	Old instructions	New directives
Enable a service to start automatically	Chkconfig--level 3 httpd on	Systemctl Enable Httpd.service
Make a service not start automatically	Chkconfig--level 3 httpd off	Ystemctl Disable Httpd.service
Check a service status	Service httpd Status	Systemctl Status Httpd.service (show service details) Systemctl is-active Httpd.service (show only active)
Show all services that have been started	Chkconfig--list	Systemctl list-units--type=service
Start a service	Service httpd Start	Systemctl Start Httpd.service
Stop a service	Service httpd Stop	Systemctl Stop Httpd.service
Restart a service	Service httpd Restart	Systemctl Restart Httpd.service

Linux commands (007)--Systemctl