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How to deploy Rocket.Chat on AWS – Part I

Introduction to Rocket.Chat We have already talked about Rocket.Chat, a private messaging system like Slack and Mattermost, and how to install and configure it on...

How to install Visual Studio Code and .NET Core on RHEL...

Introduction It was November 2014 when Microsoft announced the open sourcing of .NET with a project named .NET Core. It was announced as a smaller...

How To Install Tomcat 8 On CentOS 7

From the Apache Tomcat home page, Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies. The Java Servlet...

Learn man, vim editor and file globbing for RHCSA

4.1 What we will include in this RHCSA tutorial? Welcome back to this RHCSA exam preparation tutorial series, three chapters of this tutorial series has...

How to install Cerb with Apache as web server on CentOS...

Introduction Cerb is a workflow and email automation system, excellent for large teams. Cerb is written in PHP and uses either MySQL or MariaDB as a...

Let’s Encrypt your Apache webserver on CentOS 7

Introduction It was September when, with a post on its blog, Google announced that starting from Chrome 56, its browser will mark non-secure pages containing...

Install Mattermost with PostgreSQL on Ubuntu 16.04

Introduction Mattermost is a workplace messaging system for web, PCs and phones. It's an open source alternative to Slack. A complete Mattermost installation consists of three...

Full Monitoring System: Installing Graphite, collectd and StatsD – Part 1

Introduction Collecting data (stats about servers, applications, daily site traffic, etc) is the first step when troubleshooting site issues, looking to implement performance improvements or...