With the ssh keys, changing the ip or the name of the key, the server end, will cause the connecting client to think a man in the middle attack is on going. So the ltsp-update-sshkeys changes the stored keys sent to the clients to match the the new source connection. Tho other command puts the new data into the client image. <div class="gmail_quote">On Feb 19, 2012 6:26 PM, "Barry R Cisna" <<a href="mailto:brcisna@eazylivin.net">brcisna@eazylivin.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hello All, Just wanted to share this with the fellow boarders here. After setting up two new ltsp5 CentOS 6 / SL 6.1 servers,I experienced something somewhat odd. After doing some TC testing before putting these two new servers into the wild in our school setting, This is after doing a couple days worth of CentOS repos updates, FYI. I usually go by the rule, "Let a sleeping dog lie", in regards to getting caught up in the updates revolving door,,but decided to keep these two boxes updated out of the box. My VM pxeclient would boot fine as long as I was using the default ltspbr0 interface. If I switched to my hand configured eth0 interface ,along with the corresponding dhcpd.conf file the same VM pxeclient would boot fine,,,but when getting to a login screen the TC would hang for about 30-45 seconds then would see the "response from server,restarting" thing. This happened every time. After of course Googling found that doing the two following commands was the fix for this. I thought to myself,,,no way will this cure this deal! ltsp-update-sshkeys ltsp-update-image Reboot the TC. Now on the eth0 interface (along with the ltspbr0 interface) the TC's logs in fine. Don't have a clue what this combo is but this did in fact cure the problem. Take Care, BC _______________________________________________ K12OSN mailing list <a href="mailto:K12OSN@redhat.com">K12OSN@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/k12osn" target="_blank">https://www.redhat.com/mailman/listinfo/k12osn</a> For more info see <<a href="http://www.k12os.org" target="_blank">http://www.k12os.org</a>> </blockquote></div>