systemctl命令

systemctl list-units ## 列出当前系统服务的状态

systemctl list-unit-files ## 列出服务的开机状态

systemctl status sshd ## 查看指定服务的状态

systemctl stop sshd ## 关闭指定服务

systemctl start sshd ## 开启指定服务

systemctl restart sshd ##从新启动服务

systemctl enable sshd ##设定指定服务开机开启

systemctl disable sshd ##设定指定服务开机关闭

systemctl reload sshd ##使指定服务从新加载配置

systemctl list-dependencies sshd ##查看指定服务的倚赖关系

systemctl mask sshd ## 冻结指定服务

systemctl unmask sshd ##启用服务

systemctl set-default multi-user.target ##开机不开启图形

systemctl set-default graphical.target ##开机启动图形

setterm ##文本界面设定color