[Ilugc] sudo command and synaptic not working
- From: raamanp@xxxxxxxxxxx (Raman.P)
- Date: Fri Feb 19 12:23:35 2010
--- On Fri, 19/2/10, Prema <premum@xxxxxxxxx> wrote:
selva@selvamani-laptop:~$ sudo chmod 777 -R /usr/
sudo: must be setuid root
selva@selvamani-laptop:~$
If the problem is just that you chowned /usr, try booting
into the recovery
console and type
chwon root:root /usr/bin/sudo
chmod 4755 /usr/bin/sudo
then..
reboot
This worked for me when I face the same issue..
A bit of explanation: chmod 4xxx will set what is called setuid on execution.
That means when the programme is run it will be run as owner of the file, even
though started by anybody else. sudo should run as root to do most of
function and hence set with setids.
A simple chmod xxx will remove any such setid's.
I am curious why people want 777 for /usr?.
Raman.P
blog:
http://ramanchennai.wordpress.com/
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