[OS X TeX] OT: authorizations in Leopard

Bruno Voisin bvoisin at mac.com
Fri Nov 9 19:40:08 CET 2007

Le 9 nov. 07 à 19:16, George Gratzer a écrit :

> Question: if you erase and install and use the Migration Manager, do  
> you have the same problem?

I don't know. I'd prefer not to do that (erase and reinstall) if that  
can be avoided:

- A couple of years ago I did Archive & Install repeatedly (three or  
four times a year say), when my system started to behave oddly and I  
thought there could be conflicting extensions, initializations files,  
software which I had installed for testing purposes and which had left  
unwanted pieces scattered here and there after being removed, etc.

Every time I thought it would take a day, and I ended up spending two  
or three days or more on it, reinstalling each software one by one  
after OS X was up and running. And every time, the problem which I had  
attempted to cure was still with me at the end of the process, and  
turned out to have another origin.

- Using Migration Manager means that all preference files and such are  
put back in place, right? With Tiger and before, I used Archive &  
Install of Mac OS X precisely to avoid that, namely start up with a  
clean OS and user setup, and install only these pieces of software  
afterwards which I was intending to use, in a very controlled way.

With Leopard the equation is different: all the pieces associated with  
each additional software and installed in various subdirectories of / 
Library are put back in place at the end of the Archive & Install  
process. The good of it is that your computer is immediately  
operational after the Archive & Install (only the pieces installed at  
invisible places like /usr/local -- unfortunately that includes TeX --  
need to be reinstalled). But the bad of it is that Archive & Install  
is no help to start up with a clean slate, and that you need instead  
to archive all your data, erase your hard drive and reinstall from  
scratch. I definitely don't have time for that.

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