Category : Linux Tutorials

For someone new to the Linux command line, it can be a bit like being thrown in to the ocean. The first step is to learn basic file management and directory navigation. This series of command will help you get started, so you can be well on your way to learning more advanced stuff.

“Yum remove” doesn’t remove all the dependencies that were installed with the original “yum install” command. Instead, we should use the “yum history” command to completely revert a yum install so that all the dependencies are removed as well. #CentOS #RHEL #Linux

Do you want to automate the task of creating a user, adding a password, and expiring it all with one command? This Linux script will teach you the basics of scripting with parameters and conditional statements and provide you with a perfectly working script in the end.

You can put Linux servers into “Rescue mode” in the same way you have “Safe mode” for Windows. With the new systemd framework, we have to work with targets instead of “runlevels”, but the basic idea is the same.

It’s very important to have an up to date Linux server. This tutorial will show you how to enable automatic updates for CentOS 7 and how to control the various aspects of the upgrade so you only install what you want, and nothing else.

Creating a strong password isn’t enough. You need to ensure that your users change their password regularly as well as on the first login. Using these techniques via the Linux command line, you gain full control over password expiry and ageing policies.