Generally when upgrading Linux it is best to do a fresh install of the
new operating system. This is because of the libraries primarily.
What you usually want to do is keep /home (and possibly /usr/local) on
their own partitions so that you can reinstall w/o needing to worry
about that. I don't keep /usr/local on it's own myself - for the library
problem (new shared libraries rarely work well with binaries that want
the old ones - that's why there's a crapload of compat packages)
You want to save your ssl keys, save your /etc/passwd, /etc/group, /etc/
shadow files - and if applicable, /etc/hosts.
There may be some other /etc files you wish to save as well.
Put them on a couple floppies (redundancy) and after install - boot off
of a knoppix CD to restore those files (or log in as root and restore
them - but I prefer to restore before first boot)
You do need to check the files first - sometimes (especially if changing
distro) the uid/gid's for system users are different and you want to
adjust for that.
On Fri, 2004-03-12 at 09:52 -0600, Richard Duran wrote:
> If simply upgrading from FC-1 to FC-2 is not recommended (or
> encouraged), will anyone who wants to keep up-to-date be forced to do a
> fresh install for each FC-X ("2-3 times a year"!)
>
> Also, is it upgrading in general, or is it just upgrading via
> apt/yum/up2date that is discouraged? What about upgrading via CD
> install?
>
> -richard
>
>
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