On 12/15/2015 09:52 AM, Gordon Messmer wrote: *snip*
I don't know what keeps you from doing a clean install. Anything I can imagine that might convince you that this is a good idea, makes this a really bad idea. If you don't have backups, this is an extremely bad idea. If you're trying to minimize down time or work, this is an extremely bad idea.
I have to echo this. One of the reasons I stopped using Fedora is because clean installs really are the best way, even with Fedora where there was FedUp and related attempts, it always resulted for me in the new install being somewhat dirty and non-optimal.
With CentOS if you use the most recent version with your initial install, you have at least 5 years before you need to do it again.
And when you do need to do it again, you have time to learn the new system and then migrate intelligently.
If there is a version of software you need that is in CentOS 7 and not in CentOS 6, often you can rebuild the src.rpm and upgrade just that package (though sometimes it requires some spec file modifications)
I even do that with CentOS 7 where I build the latest GStreamer and replace the stock GStreamer1 packages.
But I wouldn't try a dist upgrade, that breaks things even on distros that allegedly support it. In my experience.
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