Purge a queue

Delete all messages from a queue without removing it

rabbitmqctl purge_queue <queue>

More rabbitmq commands

Node status

rabbitmqctl status

Show node info, running applications, memory, listeners
Enable management plugin

rabbitmq-plugins enable rabbitmq_management

Enable the HTTP management API and web UI on port 15672
Export definitions

rabbitmqctl export_definitions /tmp/rabbitmq-definitions.json

Export all exchanges, queues, bindings, users, policies
List queues with message counts

rabbitmqctl list_queues name messages consumers

Show queue names, message depth and consumer count
Check cluster status

rabbitmqctl cluster_status

Show cluster nodes, disk nodes and partitions