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I just reinstalled Ubuntu, Natty. I set to use encrypted home, but once the system was running, I was asked to define the encrypted home passphrase. Out of haste, I skipped that, but now I want to define the passphrase but I couldn't find out how (despite how trivial this sounds).

I set my /home to a specific partition, so I may reinstall Ubuntu without losing my data whenever I need it, and I guess this is the passphare that I'd need to supply to recover my data on a new install, am I right?

Please, how can I define/change my passphrase?

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You can do that by running this command at terminal:

ecryptfs-unwrap-passphrase ~/.ecryptfs/wrapped-passphrase 

The information you missed when you skiped was:

enter image description here

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    Thanks! Now, am I supposed to just write this down somewhere? Can't I change this passphrase to something easy to remember? Should I do that, if possible? – mdrg May 21 '11 at 20:05
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    You can change the passphrase with this ecryptfs-rewrap-passphrase but I would advice you to keep a strong and difficult to remember passphrase. Just write it down to a secure note. – desgua May 21 '11 at 20:15

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