Category: CentOS Tutorials

  • Install Transmission Daemon on CentOS / Fedora / Ubuntu

    Transmission is Torrent / Magnet link client vastly used on Linux, its available for almost all distros. If you are willing to use it as headless / VM to download torrents with minimal installationon your CentOS / Fedora / RHEL distro following is the packages needs to be installed & configuration required to access transmission as web service. here is machine transmission daemon is […]

  • Increase the root filesystem in Linux inside VMWare Workstation/VSphere without LVM

    In this tutorial, I’ll explain the step by step procedure to resize the Linux root partition without losing the date. This will be really handy if you are not using LVM and you came to know that your existing root partition is run out of space. WARNING: It’s really dangerous, so backup your data before attempting […]

  • How to verify the modulus of the CSR,Private Key and Certificate

    To verify that a private key matches its certificate we need to compare their modulus. First move to the directory,where you placed your SSL certificate. ls To view the modulus of the CSR, use the following command: openssl req -noout -modulus -in rbgeek_com.csr | openssl md5 Note: Please replace rbgeek_com.csr with your csr file Next, to view the […]

  • How to install the Apache mod_ssl module on CentOS

    mod_ssl mod_ssl is an Apache module that provides SSL v2/v3 and TLS v1 support for the Apache HTTP Server.  See the mod_ssl documentation for more information. How to install the Apache mod_ssl module 1. Run the mod_ssl install command yum install mod_ssl How to configure the Apache mod_ssl module 1. Open the mod_ssl Apache configuration file located at /etc/httpd/conf.d/ssl.conf #nano /etc/httpd/conf.d/ssl.conf […]

  • How to install mod_rewrite on CentOS

    mod_rewrite is an Apache module used to manipulate URL’s and is compiled into the base Apache HTTP Server in CentOS. How to configure the Apache mod_rewrite module Open the Apache configuration file located at /etc/httpd/conf/httpd.conf Change AllowOverride None to AllowOverride All  One inside <Directory /> and another one inside <Directory “/var/www/html”> and then it worked. Hope it helps somebody! P.S. I didn’t use Virtual Hosts Permanently […]

  • Install Google Chrome with YUM CentOS 6.4

    Enable Google YUM repository ## Enable Google YUM repository ## nano /etc/yum.repos.d/chromium-el6.repo Add following to /etc/yum.repos.d/chromium-el6.repo file: [chromium-el6] name=CentOS-$releasever – Chromium EL6 baseurl=$basearch/ gpgcheck=1 enabled=1 gpgkey= Ctrl + O to save file, Ctrl + X to close file   Install Google Chrome with YUM (as root user) ## Install Google Chrome Stable version ## yum […]

  • Part-4: Restore disk from Clonezilla Auto Restore CD/DVD

    Please read the Part-1,2 and 3 before starting this tutorial, in order to get the better understanding. 1) At first, Clonezilla auto restore CD/DVD comes up with this screen just press ENTER: 2) Before starting the restoration process, Clonezilla will confirm from you TWICE, If you are sure that everything is fine, than just type […]

  • Part-3: Restore an image of a Hard drive using Clonezilla

    In this tutorial, we’ll check that how to restore an image of a hard drive using the Clonezilla, that we have created in the Part-1 and stored it on the SSH Server. Note: One of Clonezilla’s “Limitations” is that the destination disk must be the same size or larger than the source disk that we […]

  • Part-2: Creation of autorun recovery Clonezilla live CD/DVD from image

    In the first part, we have created the Clonezilla image and store it on SSH Server. In this part, we’ll create the autorun recovery Clonezilla live DVD from that image. Note: You need to go through the same process again from step 1 to until step 15, that we have performed in Part-1. 1) Select […]

  • Part-1: Creation of Hard drive image using Clonezilla

    Scenario: The scenario is really simple, in which I want to backup my Ubuntu server using the “CloneZilla Live” and also want to store it on another server which has an ip address of If you want to learn more about CloneZilla, please visit this link. Let’s start the tutorial by inserting the CloneZilla […]