Centos系统中查看并管理开机启动项

1、查看所有启动项：

systemctl list-unit-files

2、查看已启用的开机启动项：

systemctl list-unit-files | grep enabled

3、设置开机启动项：

systemctl enable [$service_name]

4、取消开机启动项：

systemctl disable [$service_name]