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 ...

Logging in as the root user should never be done on Linux. Using the root account could lead to disaster. Sudo is the preferred method of gaining elevated privileges. When I first started using Linux ...

A few Linux commands offer different ways to see which users are logging into your Linux servers, how often they log in, and how long they’ve been active or idle. If you want to get a report to see ...