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I am wondering if anything special needs to be done in order to resize or otherwise manipulate encrypted partitions, besides the normal procedure for unencrypted partitions. I installed Arch with an unusually small swap partition that I would like to enlarge.
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Should be nothing special. Deactivate swap with
swapoff -aOr if you will feel safer, boot from cd instead.
Resize the partition.
Recreate swap as you did before (cryptsetup, mkswap, swapon).
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