[Linux-disciples] Grumble: changed /etc/sudoers mode, need to fix it, can't reboot

[Adam Rosi-Kessel]

Only thing I can think is if any boot script calls any other script/conf file that you have priv to edit. I assume no root login, or you don't know the root password?

Sent from my iPhone

On Sep 17, 2011, at 3:50 PM, Stephen R Laniel <steve at stevereads.com> wrote:

> I changed the sudoers permissions temporarily to
>> (15:48 -0400) slaniel at akamai_DESKTOP:~$ ls /etc/sudoers
>> -rw-r----- 1 root root 894 2011-06-08 15:13 /etc/sudoers
> 
> So now if I try to change them back, I can't:
> 
>> (15:48 -0400) slaniel at akamai_DESKTOP:~$ sudo chmod 0440 !$
>> sudo chmod 0440 /etc/sudoers
>> sudo: /etc/sudoers is mode 0640, should be 0440
>> sudo: no valid sudoers sources found, quitting
> 
> All the Googling I do tells me to reboot into single-user mode as root, fix the permissions there, and be done with it.
> 
> Which would be fine, except that I'm nowhere near the physical machine right now. Anyone know how to change the permissions back without rebooting?
> 
> Or, if I could reboot with "chmod 0440 /etc/sudoers" in some boot script, that would be fine. But the boot scripts all require you to be root to edit them ... and becoming root is something I can't do.
> 
> Thoughts? Ideas? Will I just have to wait until I get back to the computer?
> 
> -- 
> Stephen R. Laniel
> steve at stevereads.com
> Cell: +(617) 308-5571
> http://stevereads.com/
> PGP key: http://stevereads.com/slaniel.key
> 
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