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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@704 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Arno Wagner
2012-01-14 23:01:29 +00:00
parent a5aa30be33
commit 3684a5d833

14
FAQ
View File

@@ -944,13 +944,23 @@ A. Contributors
partition creation. Example:
cryptsetup luksHeaderBackup --header-backup-file h /dev/mapper/c1
cryptsetup luksHeaderBackup --header-backup-file h <device>
To restore, use the inverse command, i.e.
cryptsetup luksHeaderRestore --header-backup-file h /dev/mapper/c1
cryptsetup luksHeaderRestore --header-backup-file h <device>
* How do I test a LUKS header?
Use
cryptsetup -v isLuks <device>
on the device. Without the "-v" it just signals its result via
exit-status.
* How do I backup a LUKS or dm-crypt partition?
There are two options, a sector-image and a plain file or