Help! Red hat doesn't recognize any usernames!

[Anne Moore]

They looked to be fine, permissions, etc. I diff'd them to another identical
machine, and they matched up. I thoroughly went through the logs, the PAM
system, and nothing was out of the ordinary. 

First time in 17 years I've ever encountered this problem. But, I was able
to recover all data and rebuilt the machine, so all is well. 

I chalk it up to a red hat bug.

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Ben Kevan
Sent: Thursday, October 08, 2009 7:46 AM
To: General Red Hat Linux discussion list
Subject: Re: RE: Help! Red hat doesn't recognize any usernames!

Are you sure the /etc/pam .d/system-auth is fine

On Thu, 08 Oct 2009 17:59:55 -0000, <labelles at mscd.edu> wrote:

> Hello,
>
> Are you getting anything in your system logs?
>
> /var/log
>
> There may be some clues in those logs? Assuming you have a way to view 
> the logs.
>
> Good luck
>
> Steve
>
> Stephen L. LaBelle
> Metropolitan State College of Denver
> Senior System Administrator
> Database Administration Team
> Information Technology Infrastructure Services labelles at mscd.edu
> 303-556-3644
>
> ----- Original Message -----
> From: "Richardson, Joshua A." <Joshua.Richardson at gd-ais.com>
> Date: Thursday, October 8, 2009 9:17 am
> Subject: RE: Help! Red hat doesn't recognize any usernames!
> To: General Red Hat Linux discussion list <redhat-list at redhat.com>, 
> Rajiv.baxi at netzero.net
>
>> Are you still unable to login as root?  Have you tried booting 
>> directlyinto single user mode?
>>
>> Joshua A. Richardson
>> General Dynamics AIS
>> Principal  Systems Engineer
>> Systems Administrator
>> Office: 703-272-1761
>> Cell: 540-383-9093
>>
>>
>> -----Original Message-----
>> From: redhat-list-bounces at redhat.com
>> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Anne Moore
>> Sent: Thursday, October 08, 2009 9:51 AM
>> To: 'General Red Hat Linux discussion list'; Rajiv.baxi at netzero.net
>> Subject: RE: Help! Red hat doesn't recognize any usernames!
>>
>> Hi Rajiv,
>>
>> It's Red Hat Enterprise 4, and it's local Authentication. (No Ldap.) 
>> It's bizarre, really.
>>
>> After it crashed, it came up, but doesn't recognize any usernames at 
>> all. I did a repair, and looked at the /etc/passwd file and it was 
>> fine. It seems the system cannot read from the file. I checked 
>> permissions, reset them,on that and the shadow file, and still, the 
>> system cannot recognize logons.
>> Is there a daemon that is used for this that may not be starting up?
>>
>> Thanks
>>
>> Anne
>>
>> -----Original Message-----
>> From: redhat-list-bounces at redhat.com
>> [mailto:redhat-list-bounces at redhat.com]
>> On Behalf Of Allen Chen
>> Sent: Tuesday, October 06, 2009 11:48 AM
>> To: Rajiv.baxi at netzero.net; General Red Hat Linux discussion list
>> Subject: Re: Help! Red hat doesn't recognize any usernames!
>>
>> Rajiv.baxi at netzero.net wrote:
>> > Are you able to boot to a Redhat CD?
>> > Sent from my Verizon Wireless BlackBerry
>> >
>> > -----Original Message-----
>> > From: "Anne Moore" <diabeticithink at yahoo.com>
>> > Date: Mon, 5 Oct 2009 16:49:05
>> > To: 'General Red Hat Linux discussion list'<redhat-list at redhat.com>
>> > Subject: Help! Red hat doesn't recognize any usernames!
>> >
>> > Hi All,
>> >
>> > My server crashed. Now when I boot it up, just about all 
>> > services/daemons that depend on any username, won't start
>> because it
>> > doesn't recognize the username. I can also no longer logon as
>> root or
>> > any other username because Red Hat doesn't recognize that the "user
>> exists."
>> >
>> > Does anyone have any ideas on how to troubleshoot or fix this
>> very odd
>>
>> > issue? My entire server is down because of it, which means 450
>> people
>> > can not logon to my network.
>> >
>> > I've fixed the file system, and now it has no errors. The
>> Haldaemon
>> > won't start, nor the message bus, or atd, or many others.
>> >
>> > Thank you for your help!
>> >
>> > Anne
>> >
>> >
>> which authentication do you use? local password or ldap server?
>> what version of Redhat?
>>
>> Allen
>>
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>


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If you don't know what you want, you end up with a lot you don't.  -Fight
Club

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