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Old 08-13-2012, 03:50 PM
"Anthony J. Weaver Jr."
 
Default LTSP password changes fail

We setup LTSP fat clients with Edubuntu 12.04. *We added several users and they are able to login on the clients. However, they can't change their passwords from the client. *If they ssh to the server they can change password but we just want them to be able to do it from the client machines without ssh'ing. *It looks like we get a message something to the effect of "authentication token manipulation error" *After googling, I could not find anything recent to deal with this message or password changes. *I did see a suggestion to use System->Preferences-> About Me but this is gone in 12.04

*Is there some kind of setting in pam.d or nsswitch.conf (or elsewhere) that needs to be set? *Thanks for your help in advance.
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Old 08-13-2012, 04:04 PM
Stéphane Graber
 
Default LTSP password changes fail

On 08/13/2012 11:50 AM, Anthony J. Weaver Jr. wrote:
> We setup LTSP fat clients with Edubuntu 12.04. We added several users
> and they are able to login on the clients. However, they can't change
> their passwords from the client. If they ssh to the server they can
> change password but we just want them to be able to do it from the
> client machines without ssh'ing. It looks like we get a message
> something to the effect of "authentication token manipulation error"
> After googling, I could not find anything recent to deal with this
> message or password changes. I did see a suggestion to use
> System->Preferences-> About Me but this is gone in 12.04
>
> Is there some kind of setting in pam.d or nsswitch.conf (or elsewhere)
> that needs to be set? Thanks for your help in advance.

Yeah, that indeed won't work until LTSP upstream does the much
anticipated move to libnss-ssh and libpam-sshauth.

Until then your best bet is to create some kind of small GUI program on
the server and run it with ltsp-remoteapps from the client.
This requires REMOTE_APPS to be set to true in lts.conf.

Then you can use something like: ltsp-remoteapps "xterm -e 'passwd'"

Hope it helps.

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Stéphane Graber
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