This column is the first in a series of columns dedicated to one of my favorite subjects: troubleshooting. I'm a systems administrator during the day, and although I enjoy many aspects of my job, it's ...

Linux runs on hardware as diverse as the Raspberry Pi and powerful supercomputers, making it a flexible choice of operating system. Linux can be used via a graphical user interface similar to Windows ...

Learn 20 powerful Linux tips and tricks to work faster in the terminal. Practical command-line shortcuts used by real Linux ...

Monitoring, anticipating, and reacting to server load is a full time job in some organizations. Unexpected spikes in resource usage can indicate a software or hardware problem. Gradual increases over ...

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.

The command line isn't required when using Linux. To truly maximize your Linux experience, you should still learn it. Some commands are more useful than others. Before we begin, I want to be clear: ...