How To Install Ruby on Rails with rbenv on CentOS

Mar 16, 2015  Ruby on Rails, Ruby CentOS Introduction Ruby on Rails is an extremely popular open-source web framework that provides a great way to write web applications with Ruby. This tutorial will … Continue Reading →


How To Install Node.js on a CentOS server

Aug 18, 2014  Node.js CentOS Introduction Node.js is a Javascript platform for server-side programming. It allows users to easily create networked applications that require backend functionality. By using Javascript as both the … Continue Reading →


Configuring MySQL Master-Master Replication

Configuring MySQL Master-Master Replication Updated Wednesday, December 24, 2014 by James Stewart MySQL Master-Master replication adds speed and redundancy for active websites. With replication, two separate MySQL servers act as a cluster. … Continue Reading →


How to change SMTP server IP (Exim IP) on WHM server

Login to WHM Click Exim Configuration Editor Check the box next to: “Send outgoing mail from the ip that matches the domain name in /etc/mailips (*: IP can be added … Continue Reading →


commands to check hardware information on Linux

Check the Model Number #Shell> yum install dmidecode #Shell> dmidecode -t system   1. lscpu The lscpu command reports information about the cpu and processing units. It does not have any … Continue Reading →