KIWI-LTSP images get a frequent updates, the updating process is as simple as updating few RPM files without losing your configuration.
Make sure you have server:ltsp repository enabled by running the following:
The server:ltsp repository should show up in the list, if it is not in the list add it as follows:
zypper ar http://download.opensuse.org/repositories/server:/ltsp/openSUSE_11.1/ server:ltsp
To update all packages from that repository run the following as root:
zypper ref && zypper up -t package -r server:ltsp
If the packages do not update, run yast2 sw_single, then select server:ltsp repository > right click on the package list > All in this list > update if newer available.
Something went wrong after update
In case something do go wrong, make sure all the settings are proper in /etc/sysconfig/kiwi-ltsp file and run this command:
If other packages were updated along with LTSP ones, make sure your network configuration is alright and firwall disabled on the interface serving LTSP network.