I have Ubuntu 14.04 box, which was powered off for several months. I have turned it on, it worked, also network worked and I foolish ran
sudo apt-get upgrade.
This caused my system has no network anymore. During boot, it displays messages from this "waiting for network configuration" Problem question. The solution from this question (strange one) does not work for me. I mean, if I remove
/etc/netwrok/interfaces then error message disappears but network doesn't appear.
Machine has two network devices, which are marked
sudo lshw -C network.
How to fix?
I have read that this may be related with glitching
network-manager and uninstalled it (it was installed) - this didn't help.
ifconfig shows only loopback interface.
sudo ifup eth0 says
Cannot find device "eth0" Error getting hardware address for "eth0": No such device Failed to bring eth0 up eth0
eth0 as static didn't help.