On 06/06/2017 03:45 PM, John R Pierce wrote: > On 6/6/2017 12:38 PM, Jerry Geis wrote: >> I have older systems out there that work fine, just for what ever reason >> would be great to upgrade from a C5 -> C7 (due to no longer >> supported) or >> C6 > C7 (for updated packages). >> >> Sounds like the upgrade tool is not quite an option... >> I was thinking... >> >> What would be wrong with any "easy" script that did the following: >> >> 1) Removed all packages with the --justdb option. >> 2) Import the RPM-GPG-KEY-CentOS-7 >> 3) install the centos-release-7.3.1611 ... rpm >> 4) yum -y upgrade >> 5) yum groupinstall "GNOME Desktop" (for example) >> >> and reboot of course. >> >> Does that have any chance or working and be valid? > > > the correct method is > > 1) backup all user files, databases, and settings. > > 2) clean install c7, configure required packages. > > 3) restore user files, databases, and settings. > > or easier > > 1) install c7 on new server > > 2) move over all services, functionality, etc. one by one. This is how I do it. I just don't trust updates. Plus there is all sorts of detritus that builds up that you really don't want to drag along....