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# udevadm
> Linux `udev` 管理工具。
> 更多信息:<https://www.freedesktop.org/software/systemd/man/udevadm>。
- 监控所有设备事件:
`sudo udevadm monitor`
- 打印内核发送的 `uevents`
`sudo udevadm monitor --kernel`
- 打印经过 `udev` 处理后的设备事件:
`sudo udevadm monitor --udev`
- 列出设备 `/dev/sda` 的属性:
`sudo udevadm info --attribute-walk {{/dev/sda}}`
- 重新加载所有 `udev` 规则:
`sudo udevadm control --reload-rules`
- 触发所有 `udev` 规则运行:
`sudo udevadm trigger`
- 通过模拟加载 `/dev/sda` 测试事件:
`sudo udevadm test {{/dev/sda}}`