Tag: Linux

  • 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 […]

  • How to Fix Postfix File too large error

    Today, I was getting an error from my Postfix mail server, when trying to send mysqldump file which is about 8 MB attachment. I checked the /var/log/maillog and found this: sudo tail -f /var/log/maillog To view the default settings for all the parameters of Postfix: postconf -d | grep size   These size values surprised […]

  • How to find the Linux Distribution Name and Version

    In this post, I will try to show you that how we can check the version of Linux (Debian, Fedora, Ubuntu, CentOS), a particular system is running. Sometime we login to the system but we don’t know that which Linux distribution is running on it, So in this post, we will try to find it […]

  • How to delete a file in linux with spaces

    If you create a file in Linux with special character like %,$, * etc then you cannot remove it simply with rm command. In order to delete this kind of file, you need to use the inode number of this file. In this tutorial, I will try to show you that how we can delete […]

  • OSPF routing between Cisco,Ubuntu,CentOS and Mikrotik Router!

    Scenario: Routers: 1 Ubuntu Linux with 3 nics, 1 Centos Linux with 3 nics, 1 Cisco 3640 Router with 3 FastEthernet interfaces and 1 Mikrotik Router with 2 interfaces. Clients: 3 Windows Xp with 1 nic. IP Details All the Routers in this scenario have a default password of “zebra“. Cisco Router: fe0/0: fe1/0: […]

  • How to install VNC server on CentOS 6

    VNC is a protocol that is used to share the desktop with other users/computers over the network/Internet.In order to share a desktop, VNC server must be install and configure on the computer and VNC client must be run on the computer that will access the shared desktop. When we install the minimal copy of CentOS […]