On 12/20/2012 8:13 PM, John Hupp wrote:

On 12/20/2012 4:56 PM, Jonathan Marsden wrote:
On 12/20/2012 07:23 AM, John Hupp wrote:

I also tried

     sed -e 's/DEVICE$/DEVICE Lubuntu1:3551/'

And that had no effect whatsoever.  The result was still "DEVICE
Lubuntu1:3551 Lubuntu1:3551".
That makes no sense to me at all, if the file originally had a line
containing only DEVICE (you did check that, right?).  But

       sed -e 's/DEVICE.*$/DEVICE Lubuntu1:3551/'
might still be worth a shot.  Also, can you re-verify exactly what the
file has in it *before* you do all this sed editing on it?  Is there a
line containing only the word "DEVICE" ?

Is there any chance something else is editing the DEVICE line, so you do
not need to do so?  If you omit this edit (for DEVICE) but leave all the
others in place, what does the final file look like?

Jonathan


Thanks for giving this a good look. I can verify now that the script is doing its job. Something else is overwriting the file again after that.

Given the nature of the overwrite, I have to think that I must have set in place whatever is doing the damage. Probably some earlier troubleshooting attempt which I did not record and have now forgotten. If I can't remember then I suppose I'll have to look through every location where something can start from in an LTSP client bootup.


OK, got it!

In some bleary-eyed moment two weeks ago I inserted the script in /usr/share/ltsp/ltsp_config.d as well as in /usr/share/ltsp/init-ltsp.d. Apparently both locations launch startup scripts in the LTSP client environment only. Undoubtedly they are designed for different functional groupings or for intentional sequencing of certain kinds of configurations. But both launch locations serve effectively for modifying this particular configuration file (twice).

A big thank-you to everyone who responded and prodded my mental processes.

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