What is the best control panel solution for self hosting platform?

Hello all,

I am looking to have a hosting solution for my company and our client sites (as well as our own). The biggest issue I have is speed. I want the fastest load times and shortest server response times possible. For the purposes of this, the platform and server I am going with is:

AWS EC2
c5n.2xlarge server (8 vCPUs, 21GB ram, EBS Bandwidth Up to 3.5 Gbps, Network Bandwidth Up to 25 Gbps)
Provisioned IOPS SSD with 400 IOPS and 300GB of space

I would like it to run Linux (likely…

What is the best control panel solution for self hosting platform?