is there a guide to setup your exc masternode on VPS? From the guides I've seen, you need to create wallet for that hosting server. and how safe is it? Can I keep my coins in cold storage and still run masternode?
Use the bumble guide listed above. I have my masternode on a VPS with no problems just make sure you use a passphrase and unlock just for staking. Always keep a backup of the wallet on your computer as well.