Resolved! what use ca.pem file?
I follow X-LINUX-AWS Expansion Package guide. Now 6.2 MQTT subscribe and publish testbut what use ca.pem file?I use Board $> cat /opt/greengrass/v2/work/aws.greengrass.clientdevices.Auth/ca.pemGG_CORE_IP=192.168.7.1PC cmd)mosquitto_sub \-h ${GG_CORE_...