CentOS

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...

RHCSA module 2 – Log management, disk partition and LVM management

Log management, disk partition and LVM management  for RHCSA-An introduction Log management, disk partition and LVM management are important aspect from RHCSA point of view.This...

Managing And Publishing Files Hosted In A Webserver With Mollify

Have you ever wanted a utility to manage and publish the files/folders hosted in your remote web servers easily and as well as more...

How To Install Zimbra Collaboration Suite 8.6.0 On CentOS 7

Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra, Inc. It is widely used in the world. Users can share folders, contacts, schedules...

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...

Everything you should know about RHCSA Certification

Things you should know about RHCSA Certification Exam RHCSA or Red Hat Certified System administration exam is designed to test your knowledge and skills which...

Teemip – A Free and Open Source IP Managment Tool

Today we present to you a great tool that will help you to good manage the IP address. TeemIp is an Open Source web 2.0 application that...

Installing Dovecot and Squirrelmail in CentOS & SientificLinux

Note: This tutorial is a continuation of the Sendmail tutorial; please read through the Sendmail tutorial first before you attempt to install Dovecot or...

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 Local Yum Repository On CentOS 7

This tutorial describes how to setup a local Yum repository on CentOS 7 system. Also, the same steps should work on RHEL and Scientific...

Install And Configure The Log Managment Tool Graylog

If you need to make an analysis of logs, note that there is an open source tool called Graylog which can collect, index and analyze...

CentOS 6.7 Tacacs+ GNS3(Cisco 3600) Domain Controller integration

We already knows about TACACS+ from "FreeBSD TACACS+ GNS3 and Cisco 3700 Router" article. But in your corporate company may be requirement SSN(Single Sign...

Centreon: A Free Alternative To Nagios Xi Monitoring Platform

Introduction Centreon is an Open Source software package that lets you supervise all the infrastructure and applications comprising your information system. Centreon is the system and...

Install Latest Stable Kernel On CentOS 6 And 7

In this brief tutorial, let us show you how I have upgraded my centos 7 kernel to the latest stable version. I am going...

How to enable or disable repositories in CentOS

I am sure most of you use many YUM repositories to install softwares on any RPM based distributions like RHEL, CentOS, Fedora etc. Sometimes,...

Setup Your Own Email Newsletter Manager Using phpList On CentOS 6.5

phpList is an open source, world's popular, and more comprehensive newsletter campaign manager. Using phpList, you can send any no of mails to your...

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...

Configuring Sendmail SMTP server on CentOS & Scientific Linux

Sendmail is the default SMTP (Simple mail transfer protocol) server installed on CentOS and although it can be slightly more complicated for beginners to...