Install a K-Gaming PokeCube World 1.12.2 server through the Control Panel (Servers → Select your server → Game servers → Add Game Server → K-Gaming PokeCube World 1.12.2)
MC server was up and running in a few mins and ran pretty smooth. Had to upgrade server to 8GB RAM after couple weeks as we were playing sky factory and it got pretty complex, that was done in a couple of mins and we were back on.