ubuntu14.04连接网络 No valid active connections found!
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ubuntu 14.04 突然(强制重启后)出现不能上网,点击右上角扇形图标选项“connection information”
后出现“error: no valid active connections found”
解决办法是在终端输入:
sudo gedit /etc/network/interfaces
然后替换所有内容为:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
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