This seems to happen occasionally, and at the worst possible time. These are the steps I normally take to diagnose and solve the problem on a wired connection. It is assumed that the connection worked properly at some time in the past.
There is no special setup for this example, unless you happen to have a broken machine somewhere. You can run most of these commands without fear of hurting a good system.
Try these steps when diagnosing a network issue:
Ctrl + C to stop the output. If the command ...