It's not supported. RH has a method that sometimes works for RHEL, but there is no safe CentOS way to do a major upgrade. You need to reinstall the OS and migrate your applications.
On 29/09/2021 14:24, Gestió Servidors wrote:
Hi,
I'm doing some tests of upgrading CentOS from 7 to 8 reading this step-by-step guide: https://netshopisp.medium.com/how-to-upgrade-linux-servecentos-7-to-centos-8...
I'm trying this upgrade in a VM, so I can save "snapshots" and restart in a past saved point. However, all my test ends wrong, exacly in Step 4 when I run "rpm -e `rpm -q kernel`". Then, systems says that some packages are kernel dependencies. After I remove that dependencies, I can't remove kernel...
Anybody has tested process upgrade from 7 to 8?
Thanks.
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