Ubuntu systemctl 如何启动、关闭、启用/禁用服务

启动服务：systemctl start vsftpd.service

关闭服务：systemctl stop vsftpd.service

重启服务：systemctl restart vsftpd.service

显示服务的状态：systemctl status vsftpd.service

在开机时启用服务：systemctl enable vsftpd.service

在开机时禁用服务：systemctl disable vsftpd.service

查看服务是否开机启动：systemctl is-enabled vsftpd.service

查看已启动的服务列表：systemctl list-unit-files|grep enabled

查看启动失败的服务列表：systemctl --failed

 

 

 

centos8 ：

查看防火墙状态：systemctl status firewalld.service

开启防火墙：systemctl start firewalld.service

关闭防火墙：systemctl stop firewalld.service

禁用防火墙：systemctl disable firewalld.service

 

 

 

systemctl service update-rc.d三者的区别

https://blog.csdn.net/qq_37993487/article/details/79868857