Booting Ubuntu/Linux Mint from ISO

Last time I prepared the USB drive to boot from ISO. That’s great, but it’s no good if there are no ISOs to boot into. First off, I set up Ubuntu in GRUB. Fortunately, this was pretty easy to do. Ubuntu supports booting from ISO using the iso-scan kernel parameter. Since Linux Mint is derived from Ubuntu, it also supports this parameter. The following lines in the GRUB2 config will enable booting from a Ubuntu/Linux Mint ISO.
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