Proxmox Backup Server Setup: The Complete PBS 4 Guide to Dedup, Retention and Offsite Sync
Proxmox Backup Server setup done right: PBS 4 install, ZFS datastore, API tokens, encryption, prune, GC, verify jobs and offsite sync, step by step.
VMware Alternative
Proxmox 8 to 9 Upgrade: The Complete Post-EOL Guide (Without Bricking Your Cluster)
Proxmox VE 8 is end of life. Upgrade to PVE 9 safely: pve8to9 checks, deb822 repos, Ceph Squid, cluster rolling order and every gotcha fixed.