ioctl node delegate
to see if you are on the top 36 (consensus delegate).
watch -n 10 ioctl node delegate
to watch if you active from time to time.
2. if you are OK in step 1, please use the following cmd
sudo docker logs -f --tail 100 <docker id> |grep --color -E "epoch|height|error|rolldposctx"
a. height. your current height has to match iotexscan.io (if you are on the tip of blockchain).
b. when you are active producing, you don't see error messages.