Unix

Graylog: a powerful logs management system Graylog is an open source logs management system which parses and enriches log messages, wire and event data from...

Introduction to the MongoDB Database System MongoDB is an open source database system, classified as NoSQL. Unlike a relational database, MongoDB stores data in documents,...

Introduction Munin is a monitoring tool that can help analyze resource trends, presenting information in graphs through a web interface. The installation come with a...

Introduction MySQL is an open source SQL database management system developed by Oracle Corporation. SQL stands for Structured Query Language, which is a standardized language used...

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...

Introduction LAMP stack is a group of tools installed on a server to enable hosting dynamic websites and web apps. The acronym stands for: Linux, Apache, MySQL, PHP. In this tutorial we'll...

Introduction - Ubuntu 17.04 In April 2017, Canonical finally released the new version of it's GNU/Linux distribution, Ubuntu 17.04 - also named Zesty Zapus. In this...

Introduction to Load Balancing Before we begin the tutorial, which will cover installing HAProxy for load balancing, let's first talk about the concept of load balancing. Many high-traffic...

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...

Introduction Moodle is a learning platform designed to provide a single, integrated system for educational institutes. It powers tens of thousands of environments all over the...

Introduction Ghost blog is a blogging and publishing platform, totally open source and written in JavaScript, using the Node.js framework. As stated on the official website,...

Introduction In the first part of this tutorial, we configured a CentOS 7 server with all the prerequisites required by Invoice Ninja. Now, let's look...

Introduction Invoice Ninja is a free and open source invoicing system. The site also provides invoicing through Software as a Service (SaaS). But, of course, it's...

Introduction In our three part tutorial for installing and configuring a full monitoring system we have already installed both Graphite and collectd on the Ubuntu...

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...

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...

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...

Introduction HipHop Virtual Machine (HHVM) is an open-source virtual machine designed for executing programs written in Hack and PHP. It uses a just-in-time compilation to...