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Re: Unable to su as a user, I get: Cannot execute /bin/bash: Permission denied



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Michael Habashy wrote:
> sorry..i lost you on that...you think that someone changed the permissions
> on /bin/bash ???
> they are set to 766 to root.root
> 
> can you try to phrase things differently ???
> thanks
> mjh
> 
> On Mon, Feb 25, 2008 at 10:10 PM, Rich Healey <healey.rich@gmail.com> wrote:
> 
> Michael Habashy wrote:
>>>> i agree -
>>>>
>>>> this issue seems to be affecting a couple oof other things on the server
> as
>>>> well.
>>>> For instance, on the xconsole screen..it lets me login and then bounces
> me
>>>> back out.
>>>> I uninstalled gdm package, i am left iwth kde ---when i login in with
>>>> that...i get an xterm window pop up and it states the same thing  :
> Cannot
>>>> execute /bin/bash: Permission denied
>>>>
>>>> it is driving me up a wall.
>>>>
>>>> thanks..for any help...
>>>> mjh
>>>>
>>>> On Mon, Feb 25, 2008 at 6:11 PM, Jeff D <fixedored@gmail.com> wrote:
>>>>
>>>>> Nuno Magalhães wrote:
>>>>>>> Cannot execute /bin/bash: Permission denied
>>>>>> Er... have you by any chance tried checking out the permissions for
>>>>>> that file? It'll be executed by the user, not root. Try  766.
>>>>>>
>>>>>>
>>>>> That should probably be 755 , not 766, you really dont want /bin/bash
>>>>> writeable by anyone but root.
>>>>>
>>>>> --
>>>>> 8 out of 10 Owners who Expressed a Preference said Their Cats Preferred
>>>>> Techno.
>>>>>
>>>>>
>>>>> --
>>>>> To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
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>>>>> listmaster@lists.debian.org
>>>>>
>>>>>
> su root /bin/sh
> then chmod a+x /bin/bash
> 
> i think someone has been messing with you.
> 
> Also to be a right prat, chmod a-x `which chmod` (don't do it, but i've
> always been tempted to try it.....)
> 
> Worth noting that in runlevel 1 you get a root sh , so you could put it
> right that way as well.
>>
>>
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>>
>>

it should be 755. 7 = rwx, 5 = rx, 6 = rw
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