CentOS7 automatic startup command

New commands of the old task commands enable a service to automatically start chkconfig -- level3httpdonsystemct

Task	Old commands	New command
Enable a service automatically	Chkconfig -- level 3 httpd on	Systemctl enable httpd. service
Disable automatic startup of a service	Chkconfig -- level 3 httpd off	Systemctl disable httpd. service
Check service status	Service httpd status	Systemctl status httpd. service (service details) Systemctl is-active httpd. service (only show whether it is Active)
Show all started Services	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

 

Start the nginx service

systemctl start nginx.service

Set auto-start

systemctl enable nginx.service

Stop auto-start

systemctl disable nginx.service

View current service status

systemctl status nginx.service

Restart the service

systemctl restart nginx.service

View all started Services

systemctl list-units --type=service