Possible Duplicate:
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.

  • 4
    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... Jan 12, 2011 at 8:21
  • @aking1012: this should be an answer (maybe a bit more elaborate).
    – Takkat
    Jan 12, 2011 at 10:52
  • 1
    @Marcin: hope you have a good backup
    – Takkat
    Jan 12, 2011 at 10:53
  • What was the reason for doing this?
    – RolandiXor
    Jan 12, 2011 at 12:31
  • 6
    @RolandTaylor there never is a reason, it's always a mistake :P Jan 12, 2011 at 14:32

1 Answer 1


You're going to have to reinstall.