Originaly From

https://github.com/thomaswilbur/HP-ILO-Fan-Control

HP ILO FAN CONTROL ESXI EDITION

TESTED ESXI 7 WITH THIS MOD Uses a Custom ROM for The Hp ILO adapter

Reddit Post

https://www.reddit.com/r/homelab/comments/hix44v/silence_of_the_fans_pt_2_hp_ilo_4_273_now_with/

Original Repo

https://github.com/That-Guy-Jack/HP-ILO-Fan-Control

Steps

Create Ubuntu ISO
Ensure ILO Security is Disabled via dipswitch on mobo
Flash new ILO
Write ILO creds down & ensure ssh is enabled
Reboot into ESXI
Run both of these commands esxcli network firewall ruleset set -e true -r httpClient esxcli network firewall ruleset set -e true -r sshClient