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What if I accidently run command chmod

I changed file permissions recursively on the root directory '/' with sudo chmod / 777 -R and after that i run "save mode" and i was changed main directories like a sys, boot, root , etc using (sudo chmod 440 /etc -R) etc and after that can't boot system because many of process don't have permissions.

Please help.

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marked as duplicate by Oli May 23 '11 at 14:58

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ouch...good luck sir, I would reinstall and copy config file contents/documents...you might be able to reinstall and diff all files on the new drive to the old drive... –  hbdgaf Jan 12 '11 at 8:21
    
@aking1012: this should be an answer (maybe a bit more elaborate). –  Takkat Jan 12 '11 at 10:52
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@Marcin: hope you have a good backup –  Takkat Jan 12 '11 at 10:53
    
What was the reason for doing this? –  RolandiXor Jan 12 '11 at 12:31
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@RolandTaylor there never is a reason, it's always a mistake :P –  Marco Ceppi Jan 12 '11 at 14:32

1 Answer 1

You're going to have to reinstall.

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