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How to boot an iso from USB drive



# dd if=grldr.mbr of=/dev/sde
18+0 records in
18+0 records out
9216 bytes (9.2 kB) copied, 0.011999 s, 768 kB/s
# mkdir -p /media/sde1
# mount /dev/sde1 /media/sde1
# cp ~/isoz/debian-504-i386-netinst.iso /media/sde1/
# cp grldr /media/sde1/
# editor /media/sde1/menu.lst
title My cool ISO image
find --set-root /debian-504-i386-netinst.iso
map /debian-504-i386-netinst.iso (0xff)
map --hook
chainloader (0xff)
  1. umount /dev/sde1
  2. rm -r /media/sde1

If you are lucky, this will boot. If you unlucky (and it says something about uncontinuous), during copying the .iso image it got fragmented. Re-copy and 1. Pray 2. Try to copy .iso on clean disk.


And few more links that I can't remember from

And thanks to GRUB2 guys for fucking up config!

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