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Running 12.04. I am trying to separate my wrapped-passphrase for my encrypted home folder to require a USB drive be present to login.

I followed the instructions here and added the drive to my fstab, put the wrapped-passphrase file on the drive, and then created a symbolic link back to ~/.ecryptfs. The drive mounts fine but the symbolic link doesn't seem to be connecting the two as when I login it flashes a purple screen for a fraction of a second than takes me back to the login screen. What am I doing wrong?

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    Could you run ls -l /home/youruser/.ecryptfs
    – David
    Dec 27, 2012 at 21:45
  • In addition to the above, please also do tail /var/log/syslog immediately after such a failed login attempt and post the output. This will contain any ecryptfs errors.
    – tgies
    Dec 29, 2012 at 14:57

2 Answers 2

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This thread details how to use a USB stick as your boot device, though for different reasons. I like the fact that without the stick the machine appears to have no OS on it.

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    Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. Jan 31, 2013 at 14:43
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Have you considered this: "How to Secure SSH with Google Authenticator’s Two-Factor Authentication"?

Its not a USB it is an app on our phone that generates a code.

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    I dont think he is talking about google authentication
    – Sreevisakh
    Mar 24, 2013 at 17:26
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    I get that hes not talking about Google auth. (I read the post) I mentioned it because it is a two factor system, and it seems that the purpose of OP's link was to secure the hard drive with 2 factor. The google auth system is a "something you have" this it is somewhat relevant. i would have left that link as a comment, but I lacked the rep at the time.
    – wlraider70
    Mar 24, 2013 at 18:52

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