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 ...

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 ...

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 ...

In the early days of Linux, the syslog process wrote log files as ASCII text files to the /var/log directory. To read them, you needed tools such as the less command. You can still read a log file in ...

Glogg is an open-source tool for viewing and searching even the largest and most complex log files. The program opens files very quickly, because it reads data directly from disk and doesn’t try to ...

Log rotation, a normal thing on Linux systems, keeps any particular log file from becoming too large, yet ensures that sufficient details on system activities are still available for proper system ...