Assume you followed the instruction and created 1-click NKN node on DigitalOcean (One-Click to build a New Kind of Network node on DigitalOcean), now you want to create a lot of nodes with the same configuration and same wallet. Here is simple two steps with screenshot:
Step 1: take a live snapshot of the good 1-click node that is running properly, give it a good name so you can remember.
Step 2: Create a new droplet, choose the right snapshot from “snapshots”, and voila!