Encrypted swap partition

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Encrypted swap partition

Postby ashley194 » Sat Jun 16, 2012 14:21

Hi all,

Just installed SL9 KDE 64bit & encrypted my swap partition, now wish I hadn't.

Is there any way to undo this (short of re-installing?).

Thanks!
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ashley194
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Re: Encrypted swap partition

Postby wolfden » Thu Jun 21, 2012 11:37

Can't you simply delete the swap partition and reformat it and than just edit the grub lines to point to the new swap partition? I don't mess with encrypted partitions, but generally swap is a separate thing and some don't even use a swap. As long as your pointing to a swap partition it should be fine.
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Re: Encrypted swap partition

Postby catinthebox » Fri Nov 09, 2012 12:57

I THINK this will work, but dont get mad at me if you b0rk ur install, run --help after every command or ask someone if you arent absolutelysure than your using mkswap on the right partition OR YOU WILL ATTEMPT TO KILL YOUR OTHER DISK
Code: Select all
swapoff -a
mkswap /dev/swappartition
swapon -a
 

in etc/conf.d/dmcrypt you can put in
Code: Select all
swap=crypt-swap
source='/dev/swappartition'
 

make sure to replace sda1 with whatever your swap partition is
and itll random encrypt your swap at bootup no password from you required

then edit /etc/fstab and find if theres a swap line and change it to this (if you did the dmcrypot stuff
Code: Select all
/dev/mapper/crypt-swap        swap                    swap    defaults        0 0
 


[Edit] by micia - post was edited to remove vulgarity, please don't use bad language in your posts.
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