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I had set up a dmcrypt encrypted /home partition as per https://wiki.archlinux.org/index.php/Dm … ile_system over a year ago. This has been working fine for all of that time. Last week after I updated my work computer after a couple of months of not updating, I found that it was no longer able to mount the partition at boot for some reason.
I can boot a live image off of a thumbdrive - but what (likely) do I need to do to fix this?
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Have you tried to decrypt it manually? Login to console and type
cryptsetup open /dev/sdaX home (replace x with proper number)
If you don't have console upon boot, switch tty ctrl+alt+f3
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Your /etc/crypttab and the output of 'cryptsetup luksDump /dev/yourhomepartition | head -8' might give a hint.
No other issues/errors with the update, everything alright except for /home?
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Your /etc/crypttab and the output of 'cryptsetup luksDump /dev/yourhomepartition | head -8' might give a hint.
No other issues/errors with the update, everything alright except for /home?
As far as I can tell, that's the only issue. It was odd, the first boot after the update it mounted the /home partition properly, but then froze at the login screen. After that, every boot it seemed not to be able to mount at all.
I'll check /etc/crypttab etc. next time I'm in the office.
Thanks!
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