Am 08.07.2013 17:47, schrieb D. Hugh Redelmeier: > | > if you follow this guides *strictly* and willing to learn to deal > | > wtih "package-cleanup --leaves | --problems | --orphans and > | > to understand how your OS basically works you are fine > | > http://fedoraproject.org/wiki/Upgrading_Fedora_using_yum > > This may well work. But the effort of learning this technique and > gaining confidence in it is pretty expensive if you are only > maintaining one or two systems. If you can amortize that effort over > a bunch of systems, why would you not instead use kickstart and > centrally designed configurations? why should i bother with kickstart and centrally configurations if i have a ton of production machines with *highly* customized configurations on top of a virtualization cluster where a yum dist-upgrade takes 3-5 minutes and 30 sencods for the reboot and works like a charm since many years? hence i install machines once and migrate them to new hardware every few years and even the few physical development machines are yum-upgraded within 30 minutes
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