Shell scripts enable you to edit your diagnostic and monitoring commands into a script file so they can be repeated without needing to type them manually every time. Shell scripts also offer some unique and powerful features that help to…

Installing public SSH keys created on your workstation in a server will authenticate you without needing a password. This streamlines the SSH interaction and avoids the need to use stored and visible passwords in your scripts.

Monitoring what is happening in a remote system depends on being able to ask for something to be checked and having the results reported back to you. There are many ways to do this. This article looks at some simple…

In the previous article, we set the scene for working with the Command Line Interface (CLI) on a UNIX system. Now we will explore some techniques for performing basic tests on our network infrastructure to check for potential problems.

As users working from home are no longer limited to their working environment by the concept of a physical location, and infrastructures are moving more and more to the cloud-hybrid approach, the outdated concept of perimeter security is moving aside…