At 1:57 PM -0400 10/8/01, gabriel rosenkoetter wrote:
>On Sun, Oct 07, 2001 at 12:44:23PM -0500, Donald Lee wrote:
>  >		Other gotchas?
>
>Like Manuel said, don't unpack etc.tgz. Also, you will definitely
>want to merge the new rc system into your existing /etc (not doing
>so will lead to weird control issues, especially if you keep
>updating this way in the future), and you'll probably want to
>replace the daily/weekly/monthly scripts.
>
>Also, make sure that you either use pax -pe to unpack the tarballs
>or tar xpzf. (pax -pe is probably to be preferred.)
>
>>  2. sysinst update:
>>	Risks: Much longer downtime.  I also don't know exactly what
>>		this does.  Does it mess with /etc, for instance?
>
>Only if you tell it to unpack etc.tgz. Don't. (I *think* sysinst's
>upgrade preserves your old /etc, but I'm not sure of that.)
>
>The only real difference between what it does and what you might do
>is that it uses pax.

Don't you need tar --unlink in order to make it delete the old files 
instead of overwriting them in place?  I know there was a post to 
this effect a couple of years ago.
-- 
The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.
Henry.B.Hotz@jpl.nasa.gov, or hbhotz@oxy.edu