Supervisory Control and Data Acquisition (SCADA)

SCADA is the acronym for Supervisory Control and Data Acquisition. SCADA is a computer-based system for gathering and analyzing real-time data to monitor and control equipment that deals with critical and time-sensitive materials or events. SCADA systems were first used in the 1960s and are now an integral component in...Read more

How to Install MariaDB on Debian 9

MariaDB is an open source, multi-threaded relational database management system, a backward-compatible replacement for MySQL. It is maintained and developed by the MariaDB Foundation including some of the original developers of the MySQL. With the release of Debian 9, MySQL was replaced with MariaDB as the default database system. Here we will...Read more

How To Install Visual Studio Code on Ubuntu 18.04

Visual Studio Code is an open source cross-platform code editor developed by Microsoft. It has a built-in debugging support, embedded Git control, syntax highlighting, code completion, an integrate terminal, code refactoring and snippets. The easiest and recommended way to install Visual Studio Code on Ubuntu machines is to enable the VS Code...Read more

How to Install and Configure VNC on CentOS 7

Virtual Network Computing (VNC) is a graphical desktop sharing system that allows you to use your keyboard and mouse to remotely control another computer. Prerequisites Before continuing with the tutorial, make sure you are logged in as a user with sudo privileges. We will assume you are logged in as a...Read more

Getting started with Tmux

Tmux is a terminal multiplexer an alternative to GNU Screen. In other words, it means that you can start a Tmux session and then open multiple windows inside that session. Each window occupies the entire screen and can be split into rectangular panes. With Tmux you can easily switch between multiple...Read more

How To Install Asterisk on Debian 9

Asterisk is the most popular and widely adopted open source framework for building communications applications. It is used by individuals, small businesses, large enterprises and governments worldwide. Asterisk features include conference calling, voicemail, music on hold, call transfer, call queuing, call recording, database store/retrieve and much more. In this tutorial...Read more

How to add extra swap space on CentOS 6

In CentOS 6 swap space or simply swap is something that is used by the operating system when the system requires more memory than the physical memory installed on the server. In that case, the operating system is using parts from the hard drives as if they were a physical...Read more

How to Add Swap on Ubuntu

Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. While swap space can help machines with a small amount of RAM, it...Read more