CentOS

How To Reset Root Password On CentOS 7

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

Install Oracle Database 12c On CentOS7

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...

How To Configure A High Available Load-balancer With HAProxy And Keepalived

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...

How To Setup Apache Hadoop On CentOS

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

How To Install Openfire On CentOS 7

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...

Linux Troubleshooting: How To Fix ‘lsb_release’ Command Not Found In CentOS?

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...

Install Moodle Learning Managment System on CentOS 6

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

Setup MariaDB Master-Slave Replication In CentOS 7

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...

How To Install NConf To Manage Nagios Core

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,...

Install Oracle VirtualBox And Manage It Using phpVirtualBox On CentOS 7...

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...

Install Graphite In CentOS 7

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...

How to configure DRBD On CentOS 6.5

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...

Setup PXE Boot Environment Using Cobbler On CentOS 6.5

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...

How To Install Subversion On CentOS 7

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...

How to install Chamilo with CentOS 7

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...

Install Apache OpenMeetings On CentOS 6.5

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...

Install Oracle Client On CentOS

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...

How To Install Odoo In CentOS 7

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...