[TOC] ## systemctl ``` systemctl start <service_name> 啟動 systemctl stop <service_name> 關閉 systemctl restart <service_name> 重啟 systemctl reload <service_name> 更新配置不重啟 systemctl kill <service_name> 殺死一個服務的所有子進程,當stop 失敗 systemctl enable <service_name> 開啟啟動 systemctl disable <service_name> 取消開啟啟動 systemctl status <service_name> 服務狀態 systemctl is-active <service_name> 否正在運行 systemctl is-enable <service_name> 是否開啟啟動 systemctl cat <server_name> 獲取服務配置文件內容 systemctl show <server_name> 顯示某個 Unit 的所有底層參數 systemctl list-dependencies <server_name> Unit 依賴關系 systemctl list-unit-files [--type=service] 列出所有配置文件[列出所有服務] systemctl daemon-reload 重新加載配置 ``` ## 示例 ### systemctl list-unit-files --type=service ``` $ systemctl list-unit-files --type=service UNIT FILE STATE auditd.service enabled blk-availability.service disabled brandbot.service static 四種狀態 * enabled：已建立啟動鏈接 * disabled：沒建立啟動鏈接 * static：該配置文件沒有`[Install]`部分（無法執行），只能作為其他配置文件的依賴 * masked：該配置文件被禁止建立啟動鏈接 ```