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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...

DCA – 07 – Lock and Unlock a Swarm

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When running a swarm, there is a lot of information stored within the logs of the managing node. The information can be sensitive to security.

We store everything that is performed by the...

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