66 lines
2.3 KiB
Markdown
66 lines
2.3 KiB
Markdown
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Systemd
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===
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最常用的 [Systemd](https://systemd.io/) 命令备忘单快速参考
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命令
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----
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### 查看系统信息
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:- | -
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:- | -
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`systemctl list-dependencies` | 显示单元的依赖关系
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`systemctl list-sockets` | 列出套接字和激活的内容
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`systemctl list-jobs` | 查看活动的 systemd 作业
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`systemctl list-unit-files` | 查看单元文件及其状态
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`systemctl list-units` | 显示单位是否已加载/活动
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`systemctl get-default` | 列出默认目标（如运行级别）
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<!--rehype:className=style-list-->
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### 使用服务
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<!--rehype:wrap-class=row-span-2-->
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:- | -
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:- | -
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`systemctl stop service` | <red>停止</red>正在运行的服务
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`systemctl start service` | 启动服务
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`systemctl restart service` | 重新启动正在运行的服务
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`systemctl reload service` | 重新加载服务中的所有配置文件
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`systemctl daemon-reload` | 必须运行以重新加载更改的单元文件
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`systemctl status` | service 查看服务是否正在运行/启用
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`systemctl --failed` | 显示未能运行的服务
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`systemctl reset-failed` | 将任何单位从失败状态重置
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`systemctl enable service` | 使服务在启动时启动
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`systemctl disable service` | 禁用服务 - 不会在启动时启动
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`systemctl show service` | 显示服务（或其他单元）的属性
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`systemctl edit service` | 创建片段以放入单元文件
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`systemctl edit --full service` | 编辑整个单元文件以进行服务
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`systemctl -H host status network` | 远程运行任何 systemctl 命令
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<!--rehype:className=style-list-->
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### 改变系统状态
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:- | -
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:- | -
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`systemctl reboot` | 重启系统（reboot.target）
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`systemctl poweroff` | 关闭系统（poweroff.target）
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`systemctl emergency` | 进入紧急模式（emergency.target）
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`systemctl default` | 返回默认目标（multi-user.target）
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<!--rehype:className=style-list-->
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### 查看日志消息
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:- | -
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:- | -
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`journalctl` | 显示所有收集的日志消息
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`journalctl -u network.service` | 查看网络服务消息
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`journalctl -f` | 关注出现的消息
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`journalctl -k` | 仅显示内核消息
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<!--rehype:className=style-list-->
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另见
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---
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- [Systemd 官网](https://systemd.io/) _(systemd.io)_
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- [Systemd Cheat Sheet](https://access.redhat.com/sites/default/files/attachments/12052018_systemd_6.pdf) _(access.redhat.com)_
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