Use these eight command-line utilities to reclaim space on your Linux machines. The Linux operating system is well known for its powerful command line functionality. As a system administrator, I ...

Jack Wallen introduces you to a Linux command that can automatically execute a program repeatedly, so you can easily monitor the output for troubleshooting. There are times when you have to execute a ...

Let’s look at some basic commands that report on memory usage. The first that probably comes to mind is free. The free command will tell you about used and unused memory and about swap space. Physical ...

Intro to Linux is normally a $2,400 course from the Linux Foundation, but it's being offered for free now on edX. If you've ever wanted to learn how to use the open source operating system, there's no ...

Swap space can play an important role in system performance. Learn how to determine how much swap space your system has available and how much it's being used. Most of us don’t often think about swap ...

One of the big advantages of using Linux is that its security tends to be so much better than that of the competing alternatives. That’s due in large part to the way Linux assigns permissions, but ...