There are lots of good guides on Helium's web site about how to setup masternodes and I made several videos of the setup process as well. 

Installing Masternodes with Nodemaster
https://www.heliumlabs.org/v1.0/docs/installing-masternodes-with-nodemaster

How to be your own VPS provider
https://www.heliumlabs.org/v1.0/docs/how-to-be-your-own-vps-provider

Masternode setup guide (VPS)
https://www.heliumlabs.org/v1.0/docs/masternode-setup-guide