🔗 Resources & Links ► Get the wireless microphone here: ► The lightning adapter I used for Iphone: ► X540-T2 10GbE - ► PCIE16 Riser Card 01AJ940 - ► Buy Unifi Cloud Gateway here: ► Buy Lenovo mini PCs: ► Buy u7 Pro XG: This video is a guide on how to upgrade a Proxmox Cluster from version 8 to 9 in a production environment. (Caveat, this is a production environment for my homelab). I'll walk you through the entire process, including the key nuances of upgrading each physical node in the cluster and crucial troubleshooting steps for common issues. This video covers: Step-by-step instructions for the upgrade process. Handling Debian APT package sources errors during the upgrade. Troubleshooting during the upgrade. Understanding the changes in Proxmox's built-in permissions and roles for access control from 8-9. Best practices to ensure a smooth, stable upgrade. 0:00 Intro 2:08 Running pre upgrade check script 3:38 changed to 7:26 Remove systemd-boot package 11:50 Add non-free-firmware to /etc/apt/ and install intel-microcode 15:30 Add non-subscription proxmox repo to 17:09 Add non-subscription ceph package repo to 18:26 Begins upgrading on 1st node and keep local versions of configurations 22:26 Reboot the 1st node 23:09 No need to worry about the old for enterprise as we're not subscribed 24:16 Testing a vm to run on the newly upgraded node 27:30 Run pre upgrade check script on 2nd node and change config files for upgrade 33:26 Reboot 2nd node 34:47 New permission changes from to 36:40 VM migration note without hyper converged storage 37:47 Last node upgrade Thanks for watching! If this video helped you, please consider hitting the LIKE button and SUBSCRIBING for more home lab content, tech reviews, and tutorials. #proxmox #proxmoxve #upgrade #virtualmachines #homelab #cluster #virtualization #minilab #debian #trixie #homeserver #techtutorial #enterpriseit