NOTE: this guide exists for Upgrading from v3.11 to v3.12 as well --> here Additionally, ensure the successful completion of the upgrade/migration to an EL9 host. Refer to this post for guidance on upgrading from EL8 to EL9 using Leapp: Foreman - upgrade from el8 to el9 using leapp . With the current version, the official documentation is quite good and can be referenced. I would recommend executing all of these commands in a tmux session so that your session will remain on the server in case anything happens to your workstation. Start by checking for running tasks that would prohibit an update: [root@katello01 ~]# foreman-rake katello:upgrade_check Next, update the katello host and reboot if yum tells you to: [root@katello01 ~]# dnf -4 --refresh upgrade [root@katello01 ~]# dnf needs-restarting -r If there were any updates to foreman-related packages, make sure foreman is in a consistent state: [root@katello01 ~]# foreman-maintai...