Howto Boot UBUNTU ISO From Hard Drive

Hope your Ubuntu ISO is in your home directory. Open a terminal and run:- :~$ sudo mkdir -p /boot/ubuntu Move your ubuntu.iso to newly created Ubuntu folder:- :~$ sudo mv ubuntu.iso /boot/ubuntu/ Now you have to prepare grub menu to boot your ISO from hard drive:- :~$ gksu gedit /etc/grub.d/40_custom Paste this into the empty portion of the '40_custom' file:- menuentry "UBUNTU ISO" { set isofile="/path/yourisoname.iso" loopback loop (disk,partition)$isofile linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=$isofile noprompt noeject initrd (loop)/casper/initrd.lz } Before saving the above file, you have to give the correct path of your ISO file:- :~$ sudo fdisk -l See this output:- /dev/sda3 90318848 202430463 56055808 83 Linux Here 'sda' is 1st had disk and '3' is partition number. Change the above file according to your own output like this and save:- menuentry "UBUNTU ISO" { set isofile="/boot/ubuntu/ubuntu.iso" loopback loop (hd0,3)$isofile linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=$isofile noprompt noeject initrd (loop)/casper/initrd.lz } Now update your grub and reboot the computer:- :~$ sudo update-grub && sudo reboot Enjoy ***************************************************************************