Notes

Short write-ups of problems I've run into and what fixed them.

• iDRAC9: fan control for third-party PCIe cards on a Dell R740
  2026-09-14
• Recovering an HPE MSA 2040 with no admin credentials
  2026-09-14
• UDM Pro Max: port forwards break after moving WAN to the SFP+ port
  2026-09-14
• Proxmox DNS failure from a rogue resolvconf package
  2026-09-14