Ubuntu 中失去互联网连接

Ubuntu 中失去互联网连接

最初我的网络没有工作,我插上以太网电缆仍然没有用,当我运行时sudo service network-manager restart,我得到输出:

Job for NetworkManager.service failed because the control process exited with error code. See "systemctl status NetworkManager.service" and "journalctl -xe" for details.

我甚至更改了networkmanager.conf文件,因为我更改了 if up down managed =true`。我无法在右上角靠近电池符号的地方看到网络符号。

通过使用sudo lshw,我可以看到我的以太网身份证

以下是我使用该命令后得到的输出dmesg | grep enp

supertramp@supertramp-SVE15117FGB:$ dmesg | grep enp | grep color auto
[     1.471648] r8169 0000:0e:00.0 enp14s0: renamed from eth0
[    27.964275] r8169 0000:0e:00.0 enp14s0: Link is Down
[   487.362883] r8169 0000:0e:00.0 enp14s0: Link is Down
[   488.939284] r8169 0000:0e:00.0 enp14s0: Link is Up 100Mbps/Full flow control rx/tx
[   488.939316] IPV6: ADDRCONF (NETDEV_CHANGE): enp14s0: link becomes ready  [   941.065941] r8169 0000:0e:00.0 enp14s0: Link is Down 
[  1802.806925] r8169 0000:0e:00.0 enp14s0: Link is Down
[  1804.844032] r8169 0000:0e:00.0 enp14s0: Link is Down
[  2258.204303] r8169 0000:0e:00.0 enp14s0: Link is Down
[  2260.717432] r8169 0000:0e:00.0 enp14s0: Link is Down
[  2275.886682] r8169 0000:0e:00.0 enp14s0: Link is Down
[  4025.514987] r8169 0000:0e:00.0 enp14s0: Link is Down

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