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有线网络 Ubuntu 17.04

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有线网络 Ubuntu 17.04

我刚刚从 Ubuntu 16.04 升级到 16.10，然后又升级到 17.04，在此过程中有线网络丢失。升级前 4 小时一切都很好。我可以连接到 WiFi，但网络管理菜单中的以太网网络呈灰色。以下是 ifconfig -a 的输出

ifconfig -a
eth0: flags=4098<BROADCAST,MULTICAST>  mtu 1500
        ether e8:40:f2:81:23:fa  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 479  bytes 114309 (114.3 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 479  bytes 114309 (114.3 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.7  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::367c:5f4:624a:57f5  prefixlen 64  scopeid 0x20<link>
        ether 9c:b7:0d:e0:54:b6  txqueuelen 1000  (Ethernet)
        RX packets 18802  bytes 13005919 (13.0 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 19310  bytes 4364068 (4.3 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

如果像这个网站一样 https://help.ubuntu.com/stable/ubuntu-help/net-wired-connect.html 描述，我需要手动设置我的 IPV4，在哪里可以找到要使用的值？

答案1

编辑文件/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf并更改其内容：

[keyfile]
unmanaged-devices=*,except:type:wifi,except:type:wwan

到 ：

[keyfile]
unmanaged-devices=*,except:type:ethernet,except:type:wifi,except:type:wwan

然后运行：

sudo service network-manager restart

答案2

这里的问题完全一样。通过创建一个空文件解决了：

sudo touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
sudo service network-manager restart

生长素

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