Thin client login problem: password accepted, but no desktop (while working on the server itself)

[Gavin McCullagh]

On Mon, 07 Apr 2008, Sergio Dicandia wrote:

> I have a small lab with 10 clients accessing a server in a school.
> Everything worked fine until a couple of days ago; now I'm having
> troubles with users logging in on thin clients. I enter use credentials,
> the client "thinks" for a while, and then I'm bounced back to the login
> screen.  Strangely the same users log in when working on the server ...

Is there any possibility the IP address of the server changed?  Try
running:

sudo ltsp-update-sshkeys

https://help.ubuntu.com/community/EdubuntuFAQ#head-ede48e400aac1426ab5faf2b8bb1a126d8056327

Gavin