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Docker is a utility which allows a special type of virtualization. Docker allows for a program to be run “virtually” on a system by using a Docker image.
An image can be downloaded or created...
Part of any Linux system as well as the LFCS exam, is the understanding and use of Root permissions.
Root permissions give access to the permissions to perform any function on a Linux system....
Learning about file permissions for the LFCS exam is important, but it is also very important to know in everyday use of Linux.

Keep in mind that all of the file permissions are used for...
From their website, "WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec, while...
When running commands in a Terminal there are many ways information can be redirected. There are a few redirection conventions usable within a Terminal to make things easier.

Let’s look at a...
There are ways to install to a USB stick from a Live Linux Operating System. A problem can arise that the Boot Loader can be installed in the wrong place. Wrong partitions can be selected and...
Uber has just joined the Linux Foundation as a Gold Member!

“Uber has been influential in the open source community for years, and we’re very excited to welcome them as a Gold member at the...
If you find yourself looking at networking connections in Linux then you've probably used netstat at some point. It's very useful to list out established connections, find out which ports your...
From Red Hat: "Red Hat Enterprise Linux (RHEL) minor releases are an aggregation of individual security, enhancement, and bug fix errata. The Red Hat Enterprise Linux 7.6 Release Notes...