[vox-tech] sudoers file on ubuntu corrupted, how can I recover it?

[Hai Yi]

Hello all:

I accidentally changed the mode of the file /etc/sudoers and added a line to
the file.

Now every time I want to "sudo" sth, I got a "segmental fault" error, and an
error message like "... the mode is 0640, it should be 0440..."

I couldn't remember exactly the words, but it's something similar to above.

Anyone knows how to recover this error?


I am using ubuntu 9.10

Thanks a lot!
Hai
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