Create named LUKS encrypted volume
~$ edrv Testing 1+0 records in 1+0 records out 1 byte (1 B) copied, 0.000525913 s, 1.9 kB/s WARNING! ======== This will overwrite data on /dev/loop2 irrevocably. Are you sure? (Type uppercase yes): YES Enter LUKS passphrase: Verify passphrase: Enter passphrase for /dev/loop2: mkfs.vfat 3.0.16 (01 Mar 2013) unable to get drive geometry, using default 255/63 losetup -d /dev/loop2 to unmount
What do you think?
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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truncate -s 256mIf you're likely to fill the container, then a better bet would be fallocate. ext4 and btrfs support fallocate which will near-instantly allocate a contiguous block of space.fallocate -l 256mNext, I'd add a second parameter to control the size. This is very simple to do, using a defaulting variable${2:-256}If $2 exists use it, otherwise use the number 256, e.g.fallocate -l ${2:-256}m $1Unless Luks is supported by Windows (I haven't checked, but I'd be surprised if it were), I'd put a REAL filesystem inside the container:mke2fs -t ext4Finally, I'd do something about the passwords. I don't want to type them in three times. A quick idea might be to turn on cryptsetup's batch modecryptsetup luksFormat --batch-mode