On Sunday 02 May 2010, Vagrant Cascadian wrote:
> i don't really see any clean way to do this, as with debian (and presumably
> ubuntu) you can run NFS and NBD LTSP environments on the same server. there
> are also options to use NBD without using ltsp-update-image, and running
> ltsp-update-image will clobber it, and recent versions will rewrite a bunch
> of configuration files for good measure.

Understood.

Would a simple compromise be a warning if "/opt/ltsp/images" does not 
currently exist - this would catch the first run of this command and would be 
a good opportunity of warning the user.

"By default Debian LTSP does not use ltsp-update-image, please run only if you 
have configured your server to use NBD instead.
Are you sure you wish to continue (y|n)?"

If the user has chosen to move to NBD, and that is the reason they are running 
ltsp-update-image, then they will be very aware of that fact, and will not be 
confused.  All other users will be grateful to take the opportunity to abort.

-- 
Chris Roberts

+------------------+--------------------------+
|     Distribution | Debian Lenny             |
|     LTSP Version | 5.1.90-1                 |
|      LDM Version | 2.0.48-1                 |
|  Windows Manager | KDE 3.5.10               |
|           Kernel | 2.6.26-bpo.1-686         |
+------------------+--------------------------+
|     Distribution | Debian Lenny             |
|     LTSP Version | 5.1.85-1                 |
|      LDM Version | 2.0.45-1                 |
|  Windows Manager | KDE 3.5.10               |
|           Kernel | 2.6.26-2-686             |
+------------------+--------------------------+

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