Reading Time: 3 minutes Debian like distributions have a nice option to manage distribution upgrade (apt-get dist-upgrade), not available on RedHat like distributions… in-place upgrade are still possible, but maybe much more tricky and sometimes not supported at all. For Rocky Linux in-place upgrades from one major version to the next aren’t supported (see https://docs.rockylinux.org/release_notes/9_0/) at all and there is a good reason… if somethings goes wrong you cannot revert the operation. There are also other good reasons, like that the new version may require more resources (for example, disk space).
