<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On 18 Jun 2011, at 5:15 AM, Leena wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div bgcolor="#ffffff" text="#000000"><big><big><small><small>Hi,<br><br>We are trying to setup Edubuntu 10.04 in school and get image on thin client machines. Edubuntu installation on server and LTSP installation goes fine.<br>When try to connect client machines doesn't go beyond connection window and shows blank screen. Details of the setup and hardware and changes we have done so far are listed below......sorry it's a long mail.....this issue is very urgent for us and hoping that someone would have done similar setup or have come across similar issues might able to help us....<br><br>questions: After the setup on server, as for client machines we are unable to receive response when we ping clients IP from server (client machine, server and hub are on).<span class="Apple-converted-space"> </span></small></small></big></big><big><big><small><small>How to check if dhcp is running?</small></small></big></big></div></span></blockquote><div><br></div><div><br></div>ps -A | grep dhcp</div><div><br></div><div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div bgcolor="#ffffff" text="#000000"><big><big><small><small> on most documentations on net I have read for thin client setup they change network/interfaces file and connection to 'STATIC' instead of<span class="Apple-converted-space"> </span><br>'dynamic' is it required?<br><br></small></small></big></big><b><big><big><u><small><small>Details:<br><br></small></small></u></big></big></b><u><b>Hardware used:<span class="Apple-converted-space"> </span></b></u><br>Server-HCL computer-2GB RAM, 160GB Hard disk, two network cards<br>Clients: connected to 10 Thin Clients connected to server on LAN, no Internet connection here. Client machines has connection window-Winbee connection manager for login.<br><br><u><b>What we did so far:<span class="Apple-converted-space"> </span></b></u><br>Installed Edubuntu 10.04 on server. After it was over when the pop-up appears for restart now or continue testing (to install LTSP).<br>At that we clicked on 'Continue Testing'- as we wanted to install LTSP (Linux Terminal Server)<br>For network connection eth0 was shown as used, so we selected-eth1 here.<span class="Apple-converted-space"> </span></div></span></blockquote><div><br></div><div><br></div><div>How many network interfaces do you have?</div><div><br></div><div>I noticed when I installed 11.04 last week (for the first time) that it defaulted to eth1. I knew that I only had one interface, so I set it to eth0 and everything went better than expected. :)</div><div><br></div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div bgcolor="#ffffff" text="#000000">after LTSP was configured we did reboot computer, and made couple of changes to config files as follows<br><div class="moz-text-html" lang="x-western"><pre class="ctl" style="text-align: justify; text-decoration: none; "><u><font face="Liberation Serif, serif"><font size="4"><i>Enabled the XDMCP Server</i></font></font> by</u> (using N-XDMCP connection type on clients for connection)
<font color="#000000"><font face="Liberation Serif, serif"><font size="3" style="font-size: 11pt; "><b>copied usr/share/custom.conf file to /etc/gdm/custom.conf and added below lines below [xdmcp] option.</b></font></font></font></pre><pre class="ctl"> [xdmcp]
Enable=true
DisplaysPerHost=2
[chooser]
[security]
[debug]</pre><pre class="ctl" style="font-weight: normal; text-align: justify; "><font face="Liberation Serif, serif"><font color="#000000"><font size="3" style="font-size: 11pt; "><span style="text-decoration: none; "><b>Restart GDM</b></span></font></font></font></pre><br>Then edited our interfaces file: /etc/network/interfaces to following<br>auto lo<br>iface lo inet loopback<br><br>auto eth1<br>iface eth1 inet static<br> address 192.168.0.254<br> netmask 255.255.255.0<br> broadcast 192.168.0.255<br><u><br>and finally the /etc/ltsp/dhcpd.conf</u><span class="Apple-converted-space"> </span> dhcpd.conf file to following<br>#<br># Default LTSP dhcpd.conf config file.<br>#<br><br>authoritative;<br><br>subnet 192.168.0.0 netmask 255.255.255.0 {<br> range 192.168.0.20 192.168.0.250;<br> option domain-name "example.com";<br> option domain-name-servers 192.168.0.1;<br> option broadcast-address 192.168.0.255;<br> option routers 192.168.0.254;<br># next-server 192.168.0.1;<br># get-lease-hostnames true;<br> option subnet-mask 255.255.255.0;<br> option root-path "/opt/ltsp/i386";<br> if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {<br> filename "ltsp/i386/pxelinux.0";<br> } else {<br> filename "ltsp/i386/nbi.img";<br> }<br>}<br><br>rebooted the server.<br>and in client machines, added connection at 'Winbee connection Manager'- (HCL client comes with these)<br><h2 class="ctl" style="margin-bottom: 0.21cm; "><font face="Liberation Serif, serif"><font size="4"><i>Configuring/Setting up HCL Winbees-4000BVX Thin Clients</i></font></font></h2>for new OS connection, add connection.on top there are two options,<br>1. configuration<br>Name:connection name here (EDubuntu)<br>Type:<font face="Times New Roman, serif"><font face="Liberation Serif, serif"><b>N-XDMCP</b></font></font> click-ok<br><ul><ul><li><p align="JUSTIFY" style="margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><font face="Times New Roman, serif"><font face="Liberation Serif, serif"><span style="font-weight: normal; ">Description →<span class="Apple-converted-space"> </span></span></font><font face="Liberation Serif, serif"><b>Edubuntu</b></font></font></p></li><li><p align="JUSTIFY" style="margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><font face="Times New Roman, serif"><font face="Liberation Serif, serif"><span style="font-weight: normal; ">Mode →<span class="Apple-converted-space"> </span></span></font><font face="Liberation Serif, serif"><b>Direct</b></font></font></p></li><li><p align="JUSTIFY" style="margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><font face="Times New Roman, serif"><font face="Liberation Serif, serif"><span style="font-weight: normal; ">Server Name →<span class="Apple-converted-space"> </span></span></font><font face="Liberation Serif, serif"><b>192.168.0.254</b></font></font></p></li><li><p align="JUSTIFY" style="font-weight: normal; margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><font face="Times New Roman, serif"><font face="Liberation Serif, serif">XDMCP on →<span class="Apple-converted-space"> </span></font><font face="Liberation Serif, serif"><b>Second Console</b></font></font></p></li></ul></ul>2. connection:click on setup to add Network to check ip address for client<br>save. and reboot clients.<br><br>After rebooting client machine, when I select my newly added 'Edubutu' connection and click 'connect'. It shows blank screen with white mouse cross mark.<br><br>The link here:<span class="Apple-converted-space"> </span><a class="moz-txt-link-freetext" href="http://www.edubuntu.org/documentation/ltsp-live">http://www.edubuntu.org/documentation/ltsp-live</a>- at the very bottom of page says " you simply have to set the connected workstations to boot from the network. by going into BIOS". we haven't done that as hcl clients has Winbee manager to go thr' connection process. Not sure if we should have really.<br><br>Can anybody give any clues to what might have gone wrong?<span class="Apple-converted-space"> </span><br><br>Thanks,<br></div><div class="moz-signature"><br><div class="moz-signature">--<span class="Apple-converted-space"> </span><font face="Times New Roman, serif"><span lang="en-US"></span></font><font color="#666666"><font face="FlamaBook"><font size="2"><span lang="en-US"><b>Leena Mulye</b></span></font></font></font><br><p style="margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><font face="Times New Roman, serif"><span lang="en-US"><font color="#666666"><font face="FlamaBook"><span lang="en-US"></span></font></font><font color="#666666"><font face="FlamaBook"><font size="2"><span lang="en-US">Technical Project Associate<br>IT for Change<span class="Apple-converted-space"> </span><br>In special consultative status with the United Nations ECOSOC</span></font></font></font><font face="Times New Roman, serif"><span lang="en-US"><br></span></font><font color="#666666"><font face="FlamaBook"><font size="2"><span lang="en-US"><a href="http://www.ITforChange.net/">www.ITforChange.net</a><br>Tel:+91-80-2665 4134, 2653 6890. Fax:+91-80-4146 1055<br></span></font></font></font><font color="#666666"><font face="FlamaBook"><font size="1"><span lang="en-US">Have you heard about the free and open source software</span></font></font></font><font color="#666666"><font face="Times New Roman, serif"><span lang="en-US"><span class="Apple-converted-space"> </span></span></font></font><font color="#666666"><font face="FlamaBook"><font size="2"><span lang="en-US">Visit<span class="Apple-converted-space"> </span><a href="http://www.public-software.in/">http://www.public-software.in/</a></span></font></font></font><a href="http://www.public-software.in/"><font face="Times New Roman, serif"><span lang="en-US"></span></font></a></span></font></p><p style="margin-bottom: 0.21cm; color: rgb(0, 0, 0); "><span><itfc_logo.png></span><br><br></p></div></div>--<span class="Apple-converted-space"> </span><br>ubuntu-education mailing list<br><a href="mailto:ubuntu-education@lists.ubuntu.com">ubuntu-education@lists.ubuntu.com</a><br>Modify settings or unsubscribe at:<span class="Apple-converted-space"> </span><a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-education">https://lists.ubuntu.com/mailman/listinfo/ubuntu-education</a><br></div></span></blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><div><font class="Apple-style-span" face="Courier">--</font></div><div><font class="Apple-style-span" face="Courier">Jeff Brown</font></div><div><font class="Apple-style-span" face="Courier"><br></font></div><div><font class="Apple-style-span" face="Courier">Tel:+27-74-101 5170</font></div><div><font class="Apple-style-span" face="Courier">Fax:+27-86-532 3508</font></div><div><font class="Apple-style-span" face="Courier"><a href="http://www.wildcoast.co.za/">www.wildcoast.co.za</a></font></div><div><font class="Apple-style-span" face="Courier"><br></font></div></div></div></div></span></div></span><br class="Apple-interchange-newline"> </div><br></body></html>