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 ...

How to monitor a Linux log file in real time Your email has been sent This must-know Linux command will make troubleshooting considerably easier. Quick: What’s the first thing you do when you need to ...

The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts ...