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Thread: Mount / decrypt aes overlay knoppix-data partition

  1. #1
    Junior Member
    Join Date
    Jun 2016
    Posts
    2

    Mount / decrypt aes overlay knoppix-data partition

    I want to decrypt to raw or mount one aes encrypted overlay partition created with Knoppix 7.6.0. Password is known.
    The partition has a broken file system (reiserfs), so normal boot halt with a fail message from UNIONFS.
    I want to mount it after I start with noimage option or on another installation and try to fix it. The partition was damaged after copied a large file who exceeded capacity.

    Any idea are welcome. Thank you.

  2. #2
    Junior Member
    Join Date
    Jun 2016
    Posts
    2
    Solved.
    Overlay partition is plain.

    su
    cryptsetup plainOpen --cipher aes /dev/sdb2 enc
    <enter your password>
    mount /dev/mapper/enc /media/sdb2
    <copy data>
    umount /media/sdb2
    cryptsetup close enc

    Partition has been fixed by simple removing the large file. It was an image who was accidently saved into home.
    However USB has been recreated

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