k0s updates

active/kubernetes_minecraft/minecraft.md

@@ -5,6 +5,15 @@ below installs nimcraft. For each installation you'll want to create your own va
 with a new port. The server-downloader is called "minecraft_get_server" and is available on
 [Github](https://github.com/ducoterra/minecraft_get_server).
 
+After installing, you can run admin commands (like whitelisting players) by
+attaching to the container:
+
+```bash
+kubectl attach -it <pod>
+
+> /whitelist add ducoterra
+```
+
 ## Testing
 
 ```bash