asterisk users - Oct 2005 - Taking the plung to CVS HEAD

We are running 1.0.9 STABLE on all of our machines. I am about try and
upgrade one machine to CVS HEAD as all this echo cancellation improvements
sound enticing. Can anyone recommend

a) A procedure to cleanly upgrade from STABLE to HEAD

b) A procedure to ensure I can back out and go back to 1.0.9 easily

I have looked on the wiki but couldn't find much about this.....
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On Oct 27, 2005, at 9:52 PM, Eric Bishop wrote:
> We are running 1.0.9 STABLE on all of our machines. I am about try  
> and upgrade one machine to CVS HEAD as all this echo cancellation  
> improvements sound enticing. Can anyone recommend
>
> a) A procedure to cleanly upgrade from STABLE to HEAD
>
> b) A procedure to ensure I can back out and go back to 1.0.9 easily
>
> I have looked on the wiki but couldn't find much about this.....
>
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The easiest thing, I'd think, would be just to install the HEAD with  
an entirely different basedir and don't touch your existing install  
at all.  That way it is a simply matter of running a different  
executable to switch between the old and the new.  That's what I did  
here, at any rate, and it worked nicely, but my living-room is  
certainly not a production environment.  Stay tuned for possible  
contradictions from the pros.

lyd