指令名称 centos 6 centos 7
启动服务 service httpd start systemctl start httpd.service
关闭服务 service httpd stop systemctl stop httpd.service
重启服务 service httpd restart systemctl restart httpd.service
查看服务状态 service httpd status systemctl status httpd.service
设置服务开机启动 chkconfig httpd on systemctl enable httpd.service
设置服务开机关闭 chkconfig httpd off systemctl disable httpd.service
查看服务开机启动 chkconfig –list systemctl list-units –type=service