LFCS – DNS and E-mail (Ubuntu and some CentOS)

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Okay, I looked back over the LFCS – BIND DNS Management, and noticed that the instructions were not complete. I...

DCA – 08 – Containers and Services

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In Docker and on swarms, you can have containers and services.

We will go over some differences and set these up.

Basically, a container runs on one host and a service is on one or more. Let's...

BASH Card Game

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BASH can be a very useful tool when in a terminal of Linux (for those that use BASH). When people ask how to learn a language for programming, scripting can be no different, my answer is to write...

Introduction to Zenity (Part 2)

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This article is the rest of the information on using Zenity.

Zenity is a command-line utility for Linux and Unix-like operating systems that allows you to create graphical dialog boxes and forms...

Process Management in a Terminal

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Within a terminal you can start a process, such as updating your system packages. But what if you want to perform more tasks rather than wait for the update to finish?

We can place processes in...

LFCS – Set up an E-mail Server (CentOS)

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In this article, we will cover setting up a Simple Mail Transport Protocol (SMTP) Server, which sends and receives mail to and from the Internet. We will also set up the ability to forward email...

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