[ale] passwd and shadow

Jerald Sheets questy at gmail.com
Tue Jun 17 12:27:19 EDT 2008


have you been able to change it with passwd?  Or, alternatively, can  
you go back to one of the older versions?

--j



On Jun 17, 2008, at 12:18 PM, Terry Bailey wrote:

> I have a server in a data center and am not allowed to login with
> root because the password has been corrupted.  I thought that if
> these files were cached, then a power down and reboot would fix it.
>
> At 11:36 AM 6/17/2008, you wrote:
>> On Tue, 2008-06-17 at 11:09 -0400, Terry Bailey wrote:
>>> Hi,
>>
>>> After booting, do copies of the passwd and shadow files reside in  
>>> RAM?
>>
>>        Meaning leftovers from the previous boot or what?
>>
>>        In principle, sure.  They are simple files which will be
>> cached by the
>> file system when they are accessed.  The passwd file itself isn't
>> particularly sensitive.  The shadow file could be sensitive but, as  
>> long
>> as people are using and enforcing strong passwords, that should be  
>> too
>> bad since only root can access kmem on the running system.  Anyone  
>> with
>> access to kmem can be presumed to have access to shadow.
>>
>>        What's the problem that is concerning you?
>>
>>> Thanks,
>>
>>> Terry Bailey
>>
>>        Mike
>> --
>> Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
>>   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
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