Network issues seem to occur at the worst possible times - use these Linux commands to get to the bottom of them.

I often profess that Linux can be used without the command line, but at some point, you might want to learn it anyway. When you do, consider these commands.

The where, whereis and whatis commands summarize commands, show where executables are, and point to relevant man pages.

Are you having trouble remembering what IP addresses are in use on your network? Jack Wallen shows you how to discover those addresses with two simple commands.