Problems with Edubuntu thin client setup in school...

[Leena]

Hi,

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.
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....

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). How to check if dhcp is running?
                 on most documentations on net I have read for thin 
client setup they change network/interfaces file and connection to 
'STATIC' instead of
'dynamic' is it required?

*_Details:

_*_*Hardware used: *_
Server-HCL computer-2GB RAM, 160GB Hard disk, two network cards
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.

_*What we did so far: *_
Installed Edubuntu 10.04 on server. After it was over when the pop-up 
appears for restart now or continue testing (to install LTSP).
At that we clicked on 'Continue Testing'- as we wanted to install LTSP 
(Linux Terminal Server)
For network connection eth0 was shown as used, so we selected-eth1 here.
after LTSP was configured we did reboot computer, and made couple of 
changes to config files as follows

_/Enabled the XDMCP Server/  by_  (using N-XDMCP connection type on clients for connection)
*copied  usr/share/custom.conf file to /etc/gdm/custom.conf and added below lines below [xdmcp] option.*

				[xdmcp]
				Enable=true
				DisplaysPerHost=2

				[chooser]

				[security]

				[debug]

*Restart GDM*


Then edited our interfaces file: /etc/network/interfaces to following
auto lo
iface lo inet loopback

auto eth1
iface eth1 inet static
   address 192.168.0.254
   netmask 255.255.255.0
   broadcast 192.168.0.255
_
and finally the /etc/ltsp/dhcpd.conf_     dhcpd.conf file to following
#
# Default LTSP dhcpd.conf config file.
#

authoritative;

subnet 192.168.0.0 netmask 255.255.255.0 {
     range 192.168.0.20 192.168.0.250;
     option domain-name "example.com";
     option domain-name-servers 192.168.0.1;
     option broadcast-address 192.168.0.255;
     option routers 192.168.0.254;
#    next-server 192.168.0.1;
#    get-lease-hostnames true;
     option subnet-mask 255.255.255.0;
     option root-path "/opt/ltsp/i386";
     if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {
         filename "ltsp/i386/pxelinux.0";
     } else {
         filename "ltsp/i386/nbi.img";
     }
}

rebooted the server.
and in client machines, added connection at 'Winbee connection Manager'- 
(HCL client comes with these)


    /Configuring/Setting up HCL Winbees-4000BVX Thin Clients/

for new OS connection, add connection.on top there are two options,
1. configuration
Name:connection name here (EDubuntu)
Type:*N-XDMCP*  click-ok

          o

            Description ? *Edubuntu*

          o

            Mode ? *Direct*

          o

            Server Name ? *192.168.0.254*

          o

            XDMCP on ? *Second Console*

2. connection:click on setup to add Network to check ip address for client
save. and reboot clients.

After rebooting client machine, when I select my newly added 'Edubutu' 
connection and click 'connect'. It shows blank screen with white mouse 
cross mark.

The link here: http://www.edubuntu.org/documentation/ltsp-live- 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.

Can anybody give any clues to what might have gone wrong?

Thanks,

-- *Leena Mulye*

Technical Project Associate
IT for Change
In special consultative status with the United Nations ECOSOC
www.ITforChange.net <http://www.ITforChange.net/>
Tel:+91-80-2665 4134, 2653 6890. Fax:+91-80-4146 1055
Have you heard about the free and open source softwareVisit 
http://www.public-software.in/<http://www.public-software.in/>



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