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vivek40
October 7th, 2012, 06:59 AM
Hi I have a dual boot with win7 and ubuntu 12.04. Last night some UPS failure caused the system to crash without going through the entire shutdown process.When I rebooted Ubuntu it shows a dark screen with message like:-
dev/sda3 failed to unmount cleanly...
.....
..
sulogin:cannot open password database

and restarts all over...

I read :- this link (http://ubuntuforums.org/showthread.php?t=1917124) but dont understand how do I mount /etc from the live cd.

Gone fishing
October 7th, 2012, 07:20 AM
I would start on the live cd and then repair using fsck have a look at this howto:

http://swik.net/Ubuntu/Only+Ubuntu/How+to+Repair+a+corrupted+filesystem+in+Ubuntu/ctn8r