CentOS

The way to reset the root password on centos7 is totally different from Centos 6. Let me show you how to reset the root...

In this tutorial, we will show you how to Install Oracle Database 12c On CentOS 7 OS information: # cat   /etc/centos-release CentOS Linux release 7.0.1406 (Core) Network: # ip...

This tutorial explains how to set up a two-node load balancer with HAProxy and keepalived on CentOS 7. The load balancer sits between the user and two (or...

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple...

Openfire is a real time collaboration (RTC) server licensed under the Open Source Apache License. It is also known as Jabber. It uses the only...

Recently, I came through an error called "You must install lsb_release binary before launching this install script." while testing "Shinken" network monitoring tool. After...

Moodle is a Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learning Environment (VLE). It is a...

Why MariaDB Replication? As you may know, MariaDB is a drop in replacement for MySQL. It is a robust, scalable and reliable SQL server that...

About NConf NConf is a PHP based web-tool for configuring the Nagios monitoring software. It differs from similar tools by offering enterprise-class features like templates,...

We, all, knew how to install Oracle VirtualBox on CentOS 6.x and CentOS 7.x GUI based systems. But, what about on CentOS minimal server...

Graphite is a highly scalable real-time graphing system. As a user, you write an application that collects numeric time-series data that you are interested...

Introduction The Distributed Replicated Block Device (DRBD) is a distributed replicated storage system for the Linux platform. It is implemented as several userspace management applications...

In our previous tutorials, we had showed you how to setup PXE environment on Ubuntu 14.04, and CentOS 6.5. Install And Configure PXE Server On...

From Wikipedia: Apache Subversion (often abbreviated SVN, after the command name svn) is a software versioning and revision control system distributed as free software under...

Introduction Chamilo is a  software which is used for virtual/online trainings or Learning Management System. Chamilo is absolutely free and comes under GPL License, with...

Introduction Apache OpenMeetings is an open source software used for online training, web conferencing, collaborative white board drawing and documents editing.This software is based on a...

This installation is same for all rpm based systems like (Centos/Fedora/RHEL/SLES/Opensuse/Mandriva..) This tutorial is about 11.2 version client, but should work even for 12.1 version. Packages...

Introduction Odoo is an free open source ERP which comes with enterprise class features. It is an web based fully featured application, and comes with...