This just started like 4 or 5 days ago. I'm running Ubuntu 12.04 desktop, and after about 12 hours of uptime it seems the loopback device just stops working. If I do an ifconfig, it looks like it's ...
For some reason I cannot access localhost without an internet connection in Ubuntu. As soon as I disconnect from the internet (with the networkmanager GUI), both ping localhost and ping 127.0.0.1 ...
the /etc/hosts file contains a line: 127.0.0.1 localhost so localhost should be a valid hostname, but any attempt to connect to a port on localhost fails, including ping. Connection attempts into ...