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I accidently deleted the .ecryptfs folder, also the .private folder. Cant login anymore. Just as guest. How can I restore to the system before I deletetd those fodlers?

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Did you record your randomly generated mount passphrase? It would be 16 or 32 characters of [0-9a-f]. If you have that long, random passphrase, it's relatively easy to recover. If you don't have that, there's no chance of recovery.

If you have your randomly generated mount passphrase, you'll recreate your .ecryptfs directory.

mkdir $HOME/.ecryptfs
ecryptfs-add-passphrase --fnek
[enter your long, random mount passphrase]
keyctl list @u
[add the two key fingerprints to $HOME/.ecryptfs/Private.sig]
ecryptfs-wrap-passphrase $HOME/.ecryptfs/wrapped-passphrase
echo $HOME > $HOME/.ecryptfs/Private.mnt
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I only can log in as Guest. Im not allowed to make a directory. Sudo doesnt work. It says: unable to change to sudoers gid – Bangal Apr 22 '12 at 15:56
You'll need to boot the system from a live cd, then. – Dustin Kirkland Apr 22 '12 at 16:25
Thank you for your help. When I enter ecryptfs-wrap-passphrase $HOME/.ecryptfs/wrapped-passphrase I get Error: Wrapping passphrase failed [-5] Info: Check the system log for more information from libecryptfs – Bangal Apr 22 '12 at 17:21
I don't recommend doing this from live CD. You can still login as your normal user using the Console (Ctrl+Alt+F1) – jPlatte Apr 22 '12 at 19:43

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