Os: Proxmox

Hardware: 4x Old decommed 19" dells on Ebay with plenty of DDR4 memory, HP Proliant G10+ are also good

Ups Eaton Pro

Gigabit Fiber Internet, which is more than enough. 10-50mbit can suffice for compute nodes too.

Bought ssds and m2 storage plus some spinning ols rust drives

Temp and humidity monitoring

Google Nest Protect smoke detector

TP link 16amp smart plugs on all, to have a control plane to turn it all off remotely

Workloads:

Most are LXC

Some Docker

KVM virtual machines

Zero trust: Some Cloudflare

Tailscale

Proxmox backup server to back it all up, lots of retention

Monitoring:

Deployed remote uptime monitoring on fly.io

Read and experiment a lot Hang out on /r/homelab /r/homedatacenter and /r/selfhosted for learning, community and inspiration