CentOS7 systemctl 命令

*啓動、重啓、中止、重載服務

　# systemctl start httpd.service
　# systemctl restart httpd.service
　# systemctl stop httpd.service
　# systemctl reload httpd.service
　# systemctl status httpd.service

*激活/禁止自動啓動

# systemctl enable httpd.service # systemctl disable httpd.service

*殺死服務

# systemctl kill httpd