this post was submitted on 02 Aug 2026
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Al, we need to optimize. Speed and efficiency to prevent Ctrl+C.
Write 16MB of zeros to the beginning of the boot device to overwrite the boot blocks (16MB being extra cautious, 8MB is fine) and if you want to double the roulette fun, have it fork in parallel and do the same thing to the EFI partition (if you have one). Extra credit: fork a 3rd time and write 16MB to the end of the disk, nuking the backup GPT structure sitting there. This can all be a fun inline "one-liner" to appeal to cut & pasters. curl pipe bashers.
It'll happen so fast there's no stopping it, their only way out now is to get the running system saved off that disk while it's mounted.[1] But your nuke is invisible, how long until they find out trying to reboot? Devious Al, you're just devious.
[1] there is a way to recover if you build identical machines, like VMs or VPSes - a tool such as gdisk can pull the table(s) off one to a file, which can be pushed onto another. We've recovered $customer mistakes at $ITjob doing this before, it works. It might not boot properly, but it can contain enough filesystem boundary information to be able to recover a partition manually (rescue).