The command to check Docker Swarm cluster status from the manager node is 'docker info', which provides detailed system-wide information including the swarm's state.
The command to return the status of a Docker Swarm cluster from the manager node is docker info. Specifically, this command provides detailed information about the swarm, as well as other system-wide information for Docker. The status of the swarm will be included in the output under the 'Swarm' key, providing details such as the state of the swarm, the number of nodes, and the number of managers.