On Fri, 4 Jul 2008, Tim Cutts wrote:

If upgrading packages wrecks the system, then the package installation scripts are broken. They should spot the upgrade in progress and take appropriate action, depending on the previously installed version. This can be quite a detailed process for Debian packages, which is probably why they have fewer problems than Red Hat in this regard. See http://www.debian.org/doc/debian-policy/ch-maintainerscripts.html#s-mscriptsinstact if you're interested in how it works for Debian packages.

well, no so much. The 2.4 to 2.6 kernel transition was handled no better by Debian 'testing', than CentOS/Red Hat derived. ;)

-- Russ herrold
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