On 24/09/13 17:54, Robert Lefebvre wrote: > I have a new installation of Edubuntu 12.04 on a 6 core amd with 16 gb of > ram. > > Everything is working fine when logged into the server and at one client > station but none of the other clients will let anyone in. The users on the > "bad" clients do get authenticated but after authentication the screen is > returned to the initial login window requesting the username again. > > Here is the really strange part ... > > On the client that does connect correctly, any/all users registered in the > server can get in at it. > > If I unplug the ethernet cable from it and plug it into another pc then no > one will be able to log in. I find that out as it is the same cable, same > switch, same server settings, same authentication that worked previously on > the one working client. > The only difference I can see is different mac addresses of the PC. > > I worked back through with troubleshooting including swapping cables, > swapping swithes, restarting the server, and the clients etc and have > reproduced the symptoms multiple times, multiple pcs. I even considered > that the room had been hit by lightning and all the pcs but one were killed > so I tried my own laptop on the network and got the same results. > > The server must have somehow gotten set to only accept a couple of mac > addresses and is canceling the login of any others even if the user is > authenticated. > > Your help resolving this is sorely needed and greatly appreciated. > > Robert Lefebure > > sudo ltsp-update-sshkeys
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