Linux
Hetzner's dedicated server networking trips up everyone the first time. The gateway isn't in the same subnet as the IPs you're assigning. Additional IPs are routed individually as /32s, not as a contiguous on-link subnet. The upstream switch MAC-filters by default, so
Linux
Use zstd for everything new. It's faster on both ends, compresses better at equivalent CPU cost, and is multi-threaded by default. Stick with gzip/tar.gz only when you need maximum portability to ancient/minimal systems (older than ~2018). Quick Reference Table Dimension gzip (tar.gz) zstd
Linux
Table of Contents 💡This post assumes you've Proxmox VE 7.4.x, non-enterprise without ceph * Pre-flight Checks * Phase 1 - Backup the VM to /backup * Phase 2 - Session Safety * Phase 3 - Upgrade 7.4 to 8.x * Phase 4 - Reboot and Verify on 8.x * Phase 5