[K12OSN] RE: K12ltsp login

[Bob Mead]

I did remove the no_root_squash option from my /etc/exports file and
restarted the nfs daemons (portmap, nfs-common and nfs-kernel-server in
that order). Just to be sure, I restarted the k12ltsp server, and I get
the same results - i.e.- after I enter my user name and password the
login screen goes blank and eventually returns to the login screen again
asking for my username. ???

So I've conquered the .dmrc problem, got the ltsp box (apparently)
talking to the ldap server, successfully remote mounting users /home
directories via nfs and yet I still cannot login.

Does anyone have any further ideas on how to make this work? I'm still
thinking along the lines of somehow tracking the authentication requests
to the ldap server to see if I am getting that far. And if I am, how are
those requests being handled by the ldap server?

I'm starting to get anxious about the amount of troubles I am having
getting this to work. Perhaps last week's posts re: the complexity of
linux and ltsp REALLY are worth paying some attention to...

Thanks in advance for any help!!
      ~bob

Rob Owens wrote:
> On Fri, Jan 16, 2009 at 10:52:09AM -0800, Bob Mead wrote:
>   
>> From: Rob Owens <rowens at ptd.net>
>> Subject: Re: [K12OSN] Re: K12ltsp login
>> To: "Support list for open source software in schools."
>> 	<k12osn at redhat.com>
>> Message-ID: <20090115000245.GJ18672 at junker.owens.net>
>> Content-Type: text/plain; charset=us-ascii
>>
>> On Wed, Jan 14, 2009 at 03:20:06PM -0800, Bob Mead wrote:
>>     
>> The root user may not be allowed to change permissions of the files on an 
>> nfs-mounted /home directory.  NFS defaults to the "root_squash" option.  
>> You could try exporting /home with the "no_root_squash" option. 
>> -Rob
>>
>> Thanks Rob, that fixed it! Unfortunately it brought up another problem: now 
>> my login screen goes blank after I enter my username and password and 
>> eventually returns to start all over again, i.e.- asking for username and 
>> password. Any help would be greatly appreciated. 
>> Thanks,
>> 	~bob
>>
>>     
> I don't know why that would happen, but...
>
> If you have completed all the permissions/ownership changes that you think you need, and you don't need to create users' home directories on login, then you may no longer need the "no_root_squash" option.  I don't think that option is required for "normal" LTSP usage.  Try removing that option and restarting the nfs server, then see if your server behaves normally.   Note that in the future instead of setting the "no_root_squash" option to change permissions on the nfs mounted files, you could ssh into the nfs server as root and change them there.
>
> -Rob
>
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