Useful Tutorials on Linux and UNIX for Beginners and Experts Alike

Looking for high-quality Linux and UNIX tutorials? This article tells you where to find more than 30 must-see Linux and UNIX tutorials online.


Linux and UNIX Training for Beginners

Free Linux Tutorials for Beginners


MySQL Reset Root Password

I forgot the MySQL root password. How do I reset MySQL root password?

It is possible to reset the root password. Use the following procedure for resetting the password for any MySQL root accounts on Unix / Linux / BSD like operating systems.

You need to login as root user under UNIX / Linux. Continue reading

Cloning and Copying VirtualBox virtual machines

This article explains how to clone and copy VirtualBox VMs (virtual machines).

The techniques described in this article were tested on a Windows XP Pro SP2 host operating system using VirtualBox version 2.0.4. The details may vary if you use a Linux or some other host OS.


Cloning and copying VirtualBox VMs is not as straight forward or obvious as it is with VMWare Desktop and this subject has created a lot of confusion in the support forums. This is because:

  • There is no single VirtualBox command for VM cloning.
  • The documentation is vague.
  • A couple of the VirtualBox commands are poorly named.

The good news is that the underlying technology is just great and with a little understanding copying and cloning VMs is quite easy.

This article explains how to copy an existing VM containing an installed and configured guest OS. Before starting it helps to have a basic understanding of VirtualBox virtual machines. Continue reading

Grub Bootloader !

Some Grub How to …

How to remove GRUB and restore the Windows bootloader

If you want to remove all  linux partition live together with window. Remember do not remove linux /boot (or /) partition before remove GRUB..if not you will get an error message “Can’t Find boot loader”

Obtain a bootable Windows XP CD, and use it to boot.
Wait through all the Bill-messages until you get the first prompt. Choose R to repair an existing installation.
It will search and prompt the Windows installation, showing :
choose 1, and it will ask for the Admin password. If you have one enter it or just press Enter.
Now, type
C:\> BOOTCFG /rebuild Continue reading