Opensource

eCommerce: Open eShop on Ubuntu 16.04

Introduction - Open eShop eCommerce Platform Open eShop is an open source software for eCommerce platforms. It is a platform developed to sell digital goods...

Bash Shebang: Using Script Interpreters

The shebang, also known as 'hashbang' or pound-bang, is a crucial element in Unix-like operating systems, including...

How to install Munin on RHEL/CentOS/Fedora

Introduction Munin is a networked resource monitoring tool that can help analyze resource trends. It has an architecture master/node, built for modularity and plug and...

How to deploy Rocket.Chat on AWS – Part II

Introduction This is the second part of the tutorial on how to deploy Rocket.Chat on AWS (Amazon Web Services). In part one we saw how to...

Monitoring: How To Install Sensu on Ubuntu 16.04 Server

Introduction - Sensu Monitoring Sensu is a free and open source tool for composing a monitoring system. It is entirely written in Ruby. It uses...

How to Decode Base64 Strings

What is Base64 Encoding? Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's designed to carry data stored...

Install Redmine 3 on CentOS 7 with Nginx as web server

Introduction Redmine is a web application for project management, written entirely using Ruby on Rails, and released under the terms of GPLv2. Some of its features...

Git Amend Commit Message: Fixing Your Last Commit

Have you ever made a typo or written a completely wrong message on your last commit? Well...

How to Change DPI: Adjusting Image Resolution

What is DPI and Why Does It Matter? DPI, or Dots Per Inch, is a critical measurement in digital and print imaging that determines the...

Learn file management commnad line required for RHCSA

3.0 Introduction to Red Hat Linux Key file system Welcome back, in this ‘RHCSA examination preparation guide’ series two articles are published, this is third...

How to install Mattermost on RHEL 7.1

Introduction Mattermost is an open source, private cloud Slack-alternative. A workplace messaging system for web, PCs and phones, released under the MIT license. In a previous...

NoSQL: How To Install OrientDB on Ubuntu 16.04

Introduction - NoSQL and OrientDB When talking about databases, in general, we refer to two major families: RDBMS (Relational Database Management System), which use as...

DD Command in Linux

The dd command is a powerful and versatile utility in Unix-like operating systems, including Linux. Often referred...

Full monitoring system: Graphite, collectd and StatsD – Part 2

Introduction In the first part of this series we installed and configured Graphite on an Ubuntu 16.04 server. Remember that Graphite is software for visualizing data, so...

How Open Source Operating Systems Can Be Ideal For Your Business

  In a world where Windows has become synonymous with PCs in the minds of the public, is there room for Open Source Operating Systems...

How to Optimize WoW on Linux Using Open-Source Tools for the...

For those who are playing WoW on Linux, you are already on the right track. Linux is not only stable but also provides multiple...

How to install Tomcat 8.5 on Debian 8

Introduction Apache Tomcat is a Java Servlet Container which implements several Java EE specifications including JavaServer Pages (JSP), Java Servlet, WebSocket and Java EL. It  also...

How to install MantisBT 2.4 on CentOS 7

Introduction Mantis Bug Tracker, or MantisBT, is a web based bug tracking system, available since November 2000. MantisBT is written in PHP and supports multiple...