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Grab latest Arch, create a bootable key (do this before you’re doomed)1.
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Press F2 at boot, change the boot order to start on the key in UEFI mode
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Boot on Arch, then
- Cross fingers…
In case you need to reinstall all the things2:
sudo pacman -Sy `yaourt -Q | grep -v '^aur'| grep -v '^local' | cut -f2
-d'/' | awk '{ print $1 }'`-
Multisystem is pretty handy for this. You can put several OSes on the key, and choose what to boot. http://liveusb.info/dotclear/ ↩
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if you don’t use
yaourt, remove the grep part ↩