Log files. They're there for a reason -- to keep track of what goes on behind the velvet curtain of your operating system. When things go wrong, entries are added to those log files, so you can view ...

I stopped switching apps the day I learned to pipe commands.

This must-know Linux command will make troubleshooting considerably easier. Quick: What’s the first thing you do when you need to troubleshoot a Linux server? If you answered, “Check log files,” give ...

The tail command makes it easy to view log entries as they are written in real-time. Jack Wallen shows you how to make use of this indispensable tool. One of the single most helpful tools in your ...