Re: HELP! can't become root
On Friday 05 October 2007 10:15, Andrew Sackville-West wrote:
> On Fri, Oct 05, 2007 at 09:47:04AM -0700, tom arnall wrote:
> > On Thursday 04 October 2007 20:30, Rob Mahurin wrote:
>
> ...
>
> > > Can you "sudo chmod" to repair your permissions damage? I can send
> > > you an output from "find /dev -ls" if you don't have another machine
> > > to compare against.
>
> ...
>
> > Indeed I have no machine to check my /dev perm's. If you could send me
> > the output I'd be much obliged. If you want to send it direct:
> > kloro2006@gmail.com.
> >
> > I got my fonts back by giving the correct permissions to my home
> > directory and to .dmrc. Now the only clear problem is being able to log
> > in as root.
>
> the problem is that three minutes of chmod'ing down into /dev is going
> to change permissions on all sorts of stuff in the system. You now
> probably have significant numbers of binaries that are 777 and
> shouldn't be, for example. If you really want to fix it, you'll have
> to look at a whole system tree.
>
> Or reinstall a bunch of packages in hopes that it fixes up the
> perms. Find one that you know is wrong and do an
>
> aptitude reinstall <package>
>
> and see what happens. If it fixes the perms, then I'd follow it up
> with
>
> dpkg -l | awk '/^ii/ {print $2}' | xargs aptitude reinstall
>
> untested.
>
> The perms of /dev should fix themselves up automatically on reboot as
> udev should be recreating the devices on the fly.
>
> A
other than the fact that the system becomes vulnerable to attacks via my
internet connection, what is the problem with binaries with incorrect
permissions?
is there any simple way to enable 'su' for root?
tom
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