Today I will show a quick way to use a live iso image without having to write it on a CD/DVD or using a flash drive. The process will work only with live iso images of Ubuntu and Linux Mint.
Here are the steps.
Make a folder named iso in the root drive.
Move the iso image to the folder named iso
You now need to identify your computer’s hard disk.
It would be like /dev/sda1 or something alike, do check the output in Terminal and be sure.
Now we need to edit the grub.cfg file
At the end of the file add these lines.
loopback loop /iso/file-name.iso
linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/iso/file-name.iso noprompt noeject