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无法拔出WLAN接口或启动网络服务

tag-icon • tag-icon networking systemd network-interface services wlan
无法拔出WLAN接口或启动网络服务

有时（特别是最近）我会遇到下面详述的问题。所有设备均由系统进行记录、检测和确认。我已经能够使用我能想到的每种方法来验证这一点，包括挖掘系统目录和文件（例如/sys/kernel/debug/usb/devices，交叉引用常见工具，例如，，lshw等）。知道发生了什么，和/或为什么？干杯。lspcilsusb

root@main:~# service networking start
Job for networking.service failed because the control process exited with error code.
See "systemctl status networking.service" and "journalctl  -xe" for details.

root@main:~# systemctl status networking.service
● networking.service - Raise network interfaces
   Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2017-08-12 12:18:03 AWST; 2min 48s ago
     Docs: man:interfaces(5)
  Process: 30803 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=1/FAILURE)
  Process: 30800 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle (code=exited, status=0/SUCCESS)
 Main PID: 30803 (code=exited, status=1/FAILURE)

Aug 12 12:18:03 main systemd[1]: Starting Raise network interfaces...
Aug 12 12:18:03 main ifup[30803]: Cannot find device "wlan2"
Aug 12 12:18:03 main ifup[30803]: ifup: failed to bring up wlan2
Aug 12 12:18:03 main systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
Aug 12 12:18:03 main systemd[1]: Failed to start Raise network interfaces.
Aug 12 12:18:03 main systemd[1]: networking.service: Unit entered failed state.
Aug 12 12:18:03 main systemd[1]: networking.service: Failed with result 'exit-code'.

答案1

编辑/etc/network/interfaces并替换auto wlan2为allow-hotplug wlan2，如果您已有该allow-hotplug wlan2行，则只需删除该auto wlan2行即可。对我来说工作得很好...并且也auto被allow-hotplugeth 取代并且工作得很好。

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