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Formatting swap partition

asked 2013-02-01 06:04:49 -0500

c159295 gravatar image

updated 2014-09-28 23:51:16 -0500

mether gravatar image

my swap partition has been encrypted, if I resize it into smaller volume, and reformat it into swap, will it be the encrypted swap? If not, what should I setup?

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answered 2013-02-01 13:28:04 -0500

sten gravatar image

If you configured your swap properly (Anaconda would have done it properly for you), it should be encrypted via LUKS, which is a device-mapper pass-through. Basically, what that means is, the swap device sits under the encryption layer. You can check it this way:

 > grep swap /etc/fstab 
/dev/mapper/luks-eae2fcf8-23e3-4a62-bdec-0ed86c6c8ee6 swap                    swap    defaults,x-systemd.device-timeout=0 0 0

If your swap device is a LUKS device as listed above, then you can go resize it all you want, and it will still be encrypted through LUKS.

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Asked: 2013-02-01 06:04:49 -0500

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Last updated: Feb 01 '13