This How-to is explaining how to install an operating system inside of another operating system. For example in this how-to we're going setup a virtual machine running Ubuntu inside a CentOS operating system using QEMU.

 
Name: QEMU

HomePage: http://fabrice.bellard.free.fr/qemu/

Function: QEMU is a generic and open source machine emulator and virtualizer

1. First lets download and install the Binary distribution of Qemu for linux-i386.

http://www.h7.dion.ne.jp/~qemu-win/

2. Next step is to unzip qemu-0.9.0-i386.tar.gz and install it.

unzip qemu-0.9.0-i386.tar.gz

3. Next step is to setup a virtual hard drive file.

qemu-img create -f raw /home/user/harddisk.img 1000M

4. Now insert the Ubuntu CD into your CD drive and run the following command

qemu -L /usr/local/share/qemu/ -hda /home/user/harddisk.img -cdrom /dev/hdb -boot d

5. From now on just follow the setup steps like you would any normal installation of Ubuntu.

6. Once Ubuntu setup has run & Ubuntu is installed run the following command to start your virtual machine.

qemu -L /usr/local/share/qemu/ -m 128 -hda /home/user/harddisk.img -cdrom /dev/hdb -boot c -M pc

BookMarking:

cell1

cell3

cell4

Trouble Shooting:

Go to the wiki page

Go to the 'Contact Us ' Forum

Go to the how-to's Support Forum

External Links:

http://mark.foster.cc/wiki/index.php/Qemu_on_Ubuntu

http://wiki.centos.org/QaWiki/CentOS5PentiumSupport