Resources
Size CPU, RAM and disk from measurements.
VPS guide
Managed vs unmanaged VPS: choose by responsibility.
Unmanaged puts guest OS and stack operations on the customer; Managed adds an agreed provider operations scope.
Quick answer
Unmanaged puts guest OS and stack operations on the customer; Managed adds an agreed provider operations scope.
Key points
Network
Check 200 Mbps local and 10 Mbps international against real traffic.
Operations
Define managed or unmanaged responsibility before production.
Recovery
Confirm backup, retention and restore procedures.