One of my "server farms" (more like a garden) with 4 Macs and 1 GSM modem
Finally, after nearly 15 years, macOS comes to AWS. I used to maintain two server farms totally 11 Macs, mostly Mac minis, running OS X Server with 10 static IP addresses. Configuring and replacing Mac servers was my least favorite and most expensive task.
Amazon's AWS VP for EC2 shared a fun video about how macOS on AWS came to be.