Scenario:
A computer, which is set up to do LTSP using etherboot,
is moved to a location that has a low bandwidth connection
to the main network (for example, dialup) or an unreliable
link (such as two 100bT areas linked by a 10bT bridge).
The NFS is seriously unhappy because of filesystem latency
and/or UDP packets being dropped, respectively.
In such a situation, it would be very convenient to just
put a CDROM into that computer and convert it into a
diskless cd-boot system that implements an X terminal
or whatever the LTSP configuration is calling for.
(Slow CD drives are better, less spin-up time ...)
So ...
Am I the only person who would like to have a script that
builds such a CDROM image automatically from a running and
tested LTSP server ?
As I see it, you grab the kernel and the boot command line,
replace the nfsroot reference with the cdrom drive and
build a boot floppy. Then you just move the NFS tree onto
the CD together with making that floppy image the boot.
It's easy enough to do manually, but it would be nice to
have it automated so a new image can be created any time
the LTSP server is subjected to a significant change.
A bonus would be to parse the DHCP file and merge it into
the LTSP configuration such that the MAC address is used
to identify the correct records to boot the machine.
That way, the machine will work when on a different net.
So the question is ...
Has it already been done before ? If not,
Does anybody see a use for this ? If not,
I won't bother making _my_ scripting be neat and tidy.
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