linux之systemctl命令

入门小站 - 2021-09-29 21:48:33

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Linux 服务管理两种方式service和systemctl,systemd是Linux系统最新的初始化系统(init),作用是提高系统的启动速度，尽可能启动较少的进程，尽可能更多进程并发启动。systemd对应的进程管理命令是systemctlchkconfig和systemctl命令对比任务旧指令新指令使某服务自动启动chkconfig --level 3 httpd onsystemctl enable httpd.service使某服务不自动启动chkconfig --level 3 httpd offsystemctl disable httpd.service检查服务状态service httpd statussystemctl status httpd.service （服务详细信息） systemctl is-active httpd.service （仅显示是否 Active)显示所有已启动的服务chkconfig --listsystemctl list-units --type=service启动服务service httpd startsystemctl start httpd.service停止服务service httpd stopsystemctl stop httpd.service重启服务service httpd restartsystemctl restart httpd.service重载服务service httpd reloadsystemctl reload httpd.service实例

#停止cup电源管理服务
> systemctl stop cups.service
#禁止cups服务开机启动
> systemctl disable cups.service
#查看cups服务状态
> systemctl status cups.service
#重新设置cups服务开机启动
> systemctl enable cups.service

常用的系统命令systemctl命令说明systemctl列出所有的系统服务systemctl list-units列出所有启动unitsystemctl list-unit-files列出所有启动文件systemctl list-units –type=service –all列出所有service类型的unitsystemctl list-units –type=service –all grep cpu列出 cpu电源管理机制的服务systemctl list-units –type=target –all列出所有targetsystemctl list-unit-files --type=socket列出所有可用系统套接口systemctl特殊的用法systemctl命令说明systemctl is-active [unit type]查看服务是否运行systemctl is-enable [unit type]查看服务是否设置为开机启动systemctl mask [unit type]注销指定服务systemctl unmask [unit type]取消注销指定服务

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linuxsystemctl

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