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I need to upgrade one of our systems from its current distribution, Fedora Core 7, to the most recent version distribution, release 5.4, of the CentOS operating system. Can I do an in-place upgrade of the operating system without any adverse side-effects? Are there any issues that I should be concerned with before proceeding? Thanks.
It would appear there could be some problems transitioning from Fedora to CentOS in this scenario. That being the case, it would probably be easier to go from Fedora Core 7 to the Fedora Core 12 distribution. What do you think?
For a prod server, definitely do a clean install. Look at it this way, if the target was RHEL instead of Centos, RH would NOT support it.
Doesn't mean it can't be physically done of course, but I wouldn't trust it in the long term.
I cant speak from experience on going from Fedora Core 7 to CentOS 5.4 but I have done FC2 to CentOS 5.2 upgrades probably a hundred times, most in testing but I do have 20-30 production machines that I have upgraded from FC2 to CentOS 5.2 and have had 0(ZERO) problems with them. The only issue I had was with the apaches modules section in httpd.conf. I had to remove the modules sections from the old httpd.conf and insert the module section that comes with httpd.conf on CentOS 5.2 and it worked perfectly.