I did the upgrade dance with yum once when going from Fedora 5 to 7. It worked, but took a lot of time and left a helluva' lot of obscure lib-failures and stuff. I eventually got it working but I never felt sure it wouldn't fail on me whenever. After running the upgraded system for a month or so w/o any problems, I decided to do a fresh install from scratch with CentOS5 and clear all FUD I had left.
Yum -upgrades works, but you'll potentially spend a lot of time clearing and fixing problems afterwards. You want a quick install, do a fresh one. Don't forget to backup your data first though. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Johnny Hughes Sent: Friday, May 30, 2008 5:07 PM To: CentOS mailing list Subject: Re: [CentOS] Fastest 4.6 -> 5.1 upgrade path Yum upgrades are the hardest to do, and are NOT recommended or supported. They can be accomplished in stages, however it is easy to get a non-bootable system.
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