[CentOS] Update/upgrade paths?
Phil Schaffner
P.R.Schaffner at IEEE.org
Mon Sep 19 02:04:06 UTC 2005
On Sun, 2005-09-18 at 15:31 -0700, Dave Laird wrote:
> The situation that originated this query took place recently when I
> tried
> to do a CD-based upgrade from 3.3 to 4.1, and although the install
> medium
> did search for previous instances of CentOS, it never found one (it
> was
> there, really!) and continued to try reinstalling the entire OS.
The trick there is to specify the "upgradeany" switch - otherwise no
supposedly-upgradable system is found. My conjecture is that this is
because Red Hat discourages upgrades. A clean install with backups of
config files (and likely /home, and possibly /var/www and /usr/local)
available for customizing is still probably the best bet.
Phil
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