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wifi 和以太网均无法使用

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wifi 和以太网均无法使用

我在 ThinkPad x13 gen2 上使用 ubuntu 20.04，我使用的是 OEM 内核。最近由于旅途中连接不良，我更新失败了。从那时起，我就无法使用 wifi。网络连接正常，但我无法真正使用互联网。我尝试将其连接到以太网，以确保这不是 wifi 问题。同样的事情也发生了。没有互联网，我甚至无法修复任何东西。我重新启动到高级模式，使用 root shell 可以连接到互联网。更新了那里的软件包。毫不费力地工作。我该怎么做才能解决这个问题？我宁愿不重新安装

编辑：PING 8.8.8.8 结果：

PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2027ms

解析配置文件

lrwxrwxrwx 1 root root 29 Mar 14 18:54 /etc/resolv.conf -> ../run/resolvconf/resolv.conf

知识产权

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
   valid_lft forever preferred_lft forever
inet6 ::1/128 scope host 
   valid_lft forever preferred_lft forever
2: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
    link/ether 84:a9:38:26:fe:43 brd ff:ff:ff:ff:ff:ff

3: wlp0s20f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 7c:70:db:1d:ec:3c brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.160/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp0s20f3
       valid_lft 7130sec preferred_lft 7130sec
    inet6 fe80::f84d:e2dd:8ba4:c3ca/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

4: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000
    link/none 
    inet 10.6.210.23/24 scope global wg0
       valid_lft forever preferred_lft forever

5: br-2047fd8b5f8b: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:47:2d:e9:d8 brd ff:ff:ff:ff:ff:ff
    inet 172.19.0.1/16 brd 172.19.255.255 scope global br-2047fd8b5f8b
       valid_lft forever preferred_lft forever

6: docker_gwbridge: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 02:42:95:a3:cb:0c brd ff:ff:ff:ff:ff:ff
    inet 172.18.0.1/16 brd 172.18.255.255 scope global docker_gwbridge
       valid_lft forever preferred_lft forever
    inet6 fe80::42:95ff:fea3:cb0c/64 scope link 
       valid_lft forever preferred_lft forever

7: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:06:ba:de:a3 brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
       valid_lft forever preferred_lft forever

8: br-dfd4aebc6510: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:4e:03:9a:61 brd ff:ff:ff:ff:ff:ff
    inet 172.20.0.1/16 brd 172.20.255.255 scope global br-dfd4aebc6510
       valid_lft forever preferred_lft forever

14: veth11fb4bb@if13: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master docker_gwbridge state UP group default 
    link/ether 72:4b:ad:ea:a7:ed brd ff:ff:ff:ff:ff:ff link-netnsid 1
    inet6 fe80::704b:adff:feea:a7ed/64 scope link 
       valid_lft forever preferred_lft forever

答案1

就我而言，Wireguard vpn 是罪魁祸首。将其从系统中清除后，网络现在运行顺畅。

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