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hibernate_from_a_non_activate_swapfile_from_btrfs

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hibernate_from_a_non_activate_swapfile_from_btrfs [2020/12/16 14:16] – memeruizhibernate_from_a_non_activate_swapfile_from_btrfs [2020/12/17 13:02] – memeruiz
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 ====== Hibernate from a non activate swapfile from btrfs ====== ====== Hibernate from a non activate swapfile from btrfs ======
 +
 +*** Important! *** This didn't work! It is not secure! When wiping happens, the file gets moved to another place by btrfs, then, this doesn't work for two reasons: 1) Wiping happens in other parts of the disk, and the offset changes and has to be updated in all configurations files after wiping everytime.
 +
 +* This was just a stupid experiment.
  
 ===== Create swapfile ===== ===== Create swapfile =====
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   sleep 5   sleep 5
   echo "Wiping swapfile"   echo "Wiping swapfile"
-  sudo wipe -f -q -Q 1 /swap/swapfile+  #sudo wipe -k -f -q -Q 1 /swap/swapfile 
 +  sudo dd if=/dev/zero of=/swap/swapfile bs=1M count=24576 status=progress #reserve 24GB
   sync   sync
   sleep 1   sleep 1
hibernate_from_a_non_activate_swapfile_from_btrfs.txt · Last modified: 2021/02/01 05:55 by 127.0.0.1