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 ...

If you really want to see what's happening beneath the hood of your Linux distribution, you need to use log files. Log files. They’re there for a reason — to keep track of what goes on behind the ...

Files, permissions, processes, networking, packages and disks: the Linux commands you actually use, with syntax and examples, and the ip and ss tools that replaced ifconfig and netstat.

Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky ...

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 ...