System Administration & Configuration

Install and Use The Signal Encrypted...

Objective Install Signal on Android and Linux. Distributions This guide is geared towards Ubuntu and Debian, but will work on other distributions with modification. Requirements A working Linux install with root privileges and an Android phone Difficulty Easy Conventions # - requires given linux command to be executed with root privileges either directly as a root user or by use of sudo command $ - given linux...
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Programming & Scripting

Introduction to MariaDB and MySQL...

Objective Understanding and learning to use MariaDB and MySQL triggers. Requirements No particular requirements needed Difficulty EASY Conventions # - requires given linux command to be executed with root privileges either directly as a root user or by use of sudo command $ - given linux command to be executed as a regular non-privileged user Introduction MySQL/MariaDB triggers are stored programs associated with a...
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Ubuntu

How to install Gnome on Ubuntu 18.04...

Objective The objective is to install gnome on Ubuntu 18.04 Bionic Beaver Linux. See also our article: The 8 Best Ubuntu Desktop Environments (18.04 Bionic Beaver Linux) for more desktop environment choices. Operating System and Software Versions Operating System: - Ubuntu 18.04 Bionic Beaver Software: - GNOME Shell 3.27 or higher Requirements Privileged access to your Ubuntu System as root or via sudo command is...
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CentOS

Setup secure ProFTPD server on...

Objective The objective is to first configure a basic ProFTPD server on CentOS 7. Once we have a basic FTP server setup, we will then add FTP passive mode and increase security by adding Transport Layer Security ( TLS ). Lastly, we add an optional anonymous configuration to allow anonymous user to login to FTP server without username and password. Operating System and Software Versions Operating System: - CentOS...
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Debian

Amp Up Your Multimedia Experience On...

Introduction Debian is the universal operating system, but sometimes, it doesn't feel all that universal out of the box. For people looking for a top-notch multimedia experience, Debian might not seem like the best choice because of its free software policies, but it can actually be made into a multimedia powerhouse. Debian Stretch, when combined with one super powered multimedia repository, is an awesome option...
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Fedora

How to use Flatpak to manage...

Introduction With the use of modern Gnu/Linux distributions package managers, package dependencies are no more a problem per-se, but usually each distribution ships with a certain version of a program, and we want to install a new version we have to compile it, or rely on third party repositories. The same thing happens if the repositories of our favorite distribution doesn't contain a certain application we need....
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Redhat

Working with package dependencies on...

Objective Our goal is to get used to the tools available to find out information about package dependencies on an RPM based system. Operating System and Software Versions Operating system: Red Hat Enterprise Linux 7.5 Software: rpm 4.11, yum 3.4.3 Requirements Privileged access to the system. Difficulty EASY Conventions # - requires given linux commands to be executed with root privileges either directly as a root...
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