11.2. 安装 USBGuard

流程

1. 安装 usbguard 软件包：

   # dnf install usbguard

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2. 创建初始规则集：

   # usbguard generate-policy > /etc/usbguard/rules.conf

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3. 启动 usbguard 守护进程，并确保它会在引导时自动启动：

   # systemctl enable --now usbguard

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验证

1. 验证 usbguard 服务是否正在运行：

   # systemctl status usbguard
   ● usbguard.service - USBGuard daemon
      Loaded: loaded (/usr/lib/systemd/system/usbguard.service; enabled; vendor preset: disabled)
      Active: active (running) since Thu 2019-11-07 09:44:07 CET; 3min 16s ago
        Docs: man:usbguard-daemon(8)
    Main PID: 6122 (usbguard-daemon)
       Tasks: 3 (limit: 11493)
      Memory: 1.2M
      CGroup: /system.slice/usbguard.service
              └─6122 /usr/sbin/usbguard-daemon -f -s -c /etc/usbguard/usbguard-daemon.conf
   
   Nov 07 09:44:06 localhost.localdomain systemd[1]: Starting USBGuard daemon...
   Nov 07 09:44:07 localhost.localdomain systemd[1]: Started USBGuard daemon.

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2. 列出 USBGuard 识别的 USB 设备：

   # usbguard list-devices
   4: allow id 1d6b:0002 serial "0000:02:00.0" name "xHCI Host Controller" hash...

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