log files
When a problem arises on your system, the first thing to do is to view the logs. Jack Wallen shows how.

Viewing Linux Logs from the Command Line

Learn how to easily check Linux logs in this article from our archives. At some point in your career as a Linux administrator, you are going to have...
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Clear Linux
Clear Linux was designed specifically for the cloud while best leveraging Intel hardware; Jack Wallen takes a closer look.

Clear Linux Makes a Strong Case for Your Next Cloud Platform

There are so many Linux distributions available, some of which are all-purpose and some that have a more singular focus. Truth be told, you can take...
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Instead of assigning permissions and privileges to users one by one, Linux and other Unix-like operating systems rely on groups, or users that are related in some way.

Users, Groups, and Other Linux Beasts

Having reached this stage, after seeing how to manipulate folders/directories, but before flinging ourselves headlong into fiddling with files, we...
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Robolinux lets you create a Windows virtual machine that can run side by side with Linux -- no more dual booting.

Robolinux Lets You Easily Run Linux and Windows Without Dual Booting

The number of Linux distributions available just keeps getting bigger. In fact, in the time it took me to write this sentence, another one may have...
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How to Build NGINX from Source on Ubuntu 18.04 LTS

In this tutorial, we will build NGINX with all available modules in open source version of NGINX and we will use mainline version which is at 1.15.0...
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Linux netstat Command Tutorial for Beginners (8 Examples)

If you are new to Linux command line, and are interested in learning networking stuff, there are many command line utilities that you should be aware...
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4MLinux is a very intriguing distribution that’s really hard to classify; Jack takes a closer look in this distro review.

4MLinux: More Than Just Another Lightweight Distro

I don’t want to get up on yet another “Here’s another lightweight Linux distribution to revive your aging hardware” soapbox. So many distributions...
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Linux dpkg Command Tutorial for Beginners - 8 Examples

If you are on a Debian or Debian-based system (like Ubuntu), there are high chances you might have encountered .deb packages. These are Debian...
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disk usage
Linux provides all the necessary bits to help you find out exactly how much space remains on your drives. Jack shows how.

How to Check Disk Space on Linux from the Command Line

Quick question: How much space do you have left on your drives? A little or a lot? Follow up question: Do you know how to find out? If you happen to...
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Checking system memory usage is a crucial skill for Linux admins; Jack looks at five different ways to approach the problem.

5 Commands for Checking Memory Usage in Linux

The Linux operating system includes a plethora of tools, all of which are ready to help you administer your systems. From simple file and directory...
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