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I'm having some trouble with ecryptfs. Here's what's happened so far:

  1. I had an encrypted home directory, via ecryptfs. It worked fine.
  2. I changed my username and moved my home directory. Porting the home directory was a bit of a pain, but went fine (more-or-less following the steps discussed here).
  3. I then had a new username and a newly named home directory and everything was working smoothly for a time.
  4. I then change my password. Now ubuntu won't let me log in from the GUI any more, because my new password no longer decrypts the home directory. I can drop into a tty and ecryptfs-mount-private or whatever, and it works, but it requires my old password.

I conjecture that everything would work fine if I could get ecryptfs to require my new password. However, I don't know how to get ecryptfs to recognize my new password (and I know that on home directories, it's doing something fancy that's supposed to allow me to change my user password, where the correspondence was presumably broken by my changing my username). How do I get an ecryptfs of my home directory which has since been renamed to respond to an updated user password?

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This is exactly what the ecryptfs-rewrap-passphrase command is designed for.

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  • great, thanks! (I was worried that the username change would throw a wrench in things, but I assume from your comment that I don't need to worry about it.)
    – So8res
    Commented Mar 3, 2017 at 3:48

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