Recently systemrescuecd changed its base distro to arch linux. I have always wanted to add to my Arch installations an option to boot on systemrescuecd due to all tools that comes into it, and the fact that its’ base is now Arch turned that even more attractive to meu now. So, here is the recipe to do that:

1. Download systemrescuecd ISO file, and copy it to /boot/systemrescuecd.iso
2. Discover the label of the partition where you have /boot: $ ls -l /dev/disk/by-label (particularly, I tend to name them all uppercase)
3. Besides systemrescuecd, I also have grub files to install arch linux boot on grub that way. Just follow the instructions here to copy them to the proper place.
4. Then, recreate grub configuration: $ grub-mkconfig -o /boot/grub/grub.cfg
5. Optionally, open grub-customizer to make sure a new entry was added with the systemrescuecd iso boot.