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...

Introduction to Zenity (Part 1)

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Zenity is a command-line utility for Linux that allows developers and users to create graphical user interfaces (GUIs) for shell scripts and other command-line applications. It provides a simple...

Working With Nautilus Scripts

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Sometimes, you may use Nautilus and wish you could add your own script to the right-click ability on a file or folder.

In this article, we'll look at that.

Scripting Languages

To use...

LFCS – Understanding PXE Boot

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The Preboot Execution Environment (PXE), commonly referred to as 'pixie', is a means to boot from a Network Interface Card (NIC) to the network. Once booted, the Dynamic Host Configuration...

DCA – 06 – Docker Registry

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A Docker Registry is a local system that acts as a hub to upload and download Docker images. The Docker Registry is a repository of the images that you made or downloaded.

The Docker Registry...

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