CentOS7 从查看、启动、停止服务说起systemctl

Systemctl是一个systemd工具，主要负责控制systemd系统和服务管理器。

Systemd是一个系统管理守护进程、工具和库的集合，用于取代System V初始进程。Systemd的功能是用于集中管理和配置Linux系统。

systemctl status network.service

启动服务
systemctl start network.service

重启服务
systemctl restart network.service

停止服务
systemctl stop network.service

开机启动服务
systemctl enable network.servic

停止开机启动
systemctl disable network.servic

systemctl list-units --type=service | grep network

 列出所有可用单元
systemctl list-unit-files

列出所有运行中单元
systemctl list-units

列出所有失败单元
systemctl --failed

systemctl kill network.service

systemctl list-unit-files --type=mount

    UNIT FILE                     STATE   
    dev-hugepages.mount           static  
    dev-mqueue.mount              static  
    proc-sys-fs-binfmt_misc.mount static  
    sys-fs-fuse-connections.mount static  
    sys-kernel-config.mount       static  
    sys-kernel-debug.mount        static  
    tmp.mount                     disabled

systemctl start tmp.mount
systemctl stop tmp.mount
systemctl restart tmp.mount
systemctl reload tmp.mount
systemctl status tmp.mount