Question: I have a bunch of live ISO files like [GParted](https://gparted.org/livecd.php), [CloneZilla](https://clonezilla.org/downloads.php), [Boot-Repair](https://sourceforge.net/projects/boot-repair-cd/files/), [Ubuntu 14.04 32 bit](http://releases.ubuntu.com/16.04/ubuntu-16.04.4-desktop-i386.iso), ... downloaded in `/opt` and on my old BIOS machine, I used to be able to just add them to the grub menu and boot them. **:-)**

I now have an UEFI machine and all the information I can find are for BIOS machines.

*What are the steps to boot these ISO files from grub?* 

I'm just I'm sick and tired of "burning" these to a USB stick all the time as I can never find the stick I need whereas my computer itself if much harder to loose in the total chaos around me here...) **:-(**

Answer: 
Three easy steps
================

to add ISO to the grub menu and boot from it.

First, install `grml-rescueboot`
================================

Open a terminal and enter:

```
sudo apt install grml-rescueboot

```

Second, move the iso files to `/boot/grml/`
===========================================

In the same terminal enter:

```
sudo mv ~/Downloads/<filename.iso> /boot/grml/

```

Third, update grub
==================

In the same terminal enter:

```
sudo update-grub

```

Repeat second and third steps as and when necessary
===================================================

Don't forget to delete obsolete ISO files from `/boot/grml`.

Reference: [Ubuntu help on Grub2 ISO boot](https://help.ubuntu.com/community/Grub2/ISOBoot#grml-rescueboot)

Note
====

The `grml-rescueboot` does not work with all live ISO files. For example, the gparted live ISO does not work. See [Unable to boot Gparted Live using grml-rescueboot](https://askubuntu.com/questions/1275254/unable-to-boot-gparted-live-using-grml-rescueboot)

Hope this helps
This may be the multiboot solution that you need.

<https://www.ventoy.net/en/index.html>

This bootable USB maker creates two partitions in a USB drive. One is 32MB FAT 32 EFI partition. Another one is exfat partition that is equal in size to the rest of the USB drive. You can copy any number of ISOs including Windows to either the root folder or any subfolder. You can also use this partition for normal storage.

Select this USB in the boot menu and it will show all the supported ISOs as a list to choose from. In my experience it worked for Ubuntu, Kubuntu, Mint, Clonezilla and Windows.

[![Ventoy](https://i.stack.imgur.com/DDuF2.png)](https://i.stack.imgur.com/DDuF2.png)