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Docker swarm cheat sheet. List of all commands to create, run, manage container cluster environment, Docker Swarm!

Docker swarm is a cluster environment for Docker containers. Swarm is created with a number of machines running docker daemons. Collectively they are managed by one master node to run clustered environment for containers!

In this article, we are listing out all the currently available docker swarm commands in a very short overview. This is a cheat sheet you can glance through to brush or your swarm knowledge or quick reference for any swarm management command. We are covering most used or useful switches with the below commands. There are more switches available for each command and you can get them with --help

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Docker swarm commands for swarm management

This set of command is used mainly to start, manage the swarm cluster as a whole. For node management, within the cluster, we have a different set of commands following this section.

• docker swarm init : Initiate swam cluster
  • –advertise-addr: Advertised address on which swarm lives
  • –autolock: Locks manager and display key which will be needed to unlock stopped manager
  • –force-new-cluster: Create a new cluster from backup and dont attempt to connect to old known nodes
• docker swarm join-token: Lists join security token to join another node in swarm as worker or manager
  • –quite: Only display token. By default, it displays complete command to be used along with the token.
  • –rotate: Rotate (change) token for security reasons.
• docker swarm join: Join already running swarm as a worker or manager
  • –token: Security token to join the swarm
  • –availability: Mark node’s status as active/drain/pause after joining
• docker swarm leave: Leave swarm. To be run from the node itself
  • -f: Leave forcefully ignoring all warnings.
• docker swarm unlock: Unlocks swarm by providing key after manager restarts
• docker swarm unlock-key: Display swarm unlock key
  • -q: Only display token.
  • –rotate: Rotate (change) token for security reasons.
• docker swarm update: Updates swarm configurations
  • –autolock: true/false. Turns on or off locking if not done while initiating.

Docker swarm node commands for swarm node management

Node is a server participating in Docker swarm. A node can either be a worker or manager in the swarm. The manager node has the ability to manage swarm nodes and services along with serving workloads. Worker nodes can only serve workloads.

• docker node ls : Lists nodes in the swarm
  • -q : Only display node Ids
  • –format : Format output using GO format
  • –filter : Apply filters to output
• docker node ps : Display tasks running on nodes
  • Above all switches applies here too.
• docker node promote : Promote node to a manager role
• docker node demote : Demote node from manager to worker role
• docker node rm : Remove node from the swarm. Run from the manager node.
  • -f : Force remove
• docker node inspect : Detailed information about the node
  • –format : Format output using GO format
  • –pretty : Print in a human-readable friendly format
• docker node update : Update node configs
  • –role : worker/manager. Update node role
  • –availability : active/pause/drain. Set node state.

Docker swarm service commands for swarm service management

Epson tm88v windows 10 driver. Docker service is used to create and spawn workloads to swarm nodes.

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Cheat Sheet Docker

• docker service create : Start new service in Docker swarm
  • Switches of docker container run command like -i (interactive), -t (pseud terminal), -d (detached), -p (publish port) etc supported here.
• docker service ls : List services
  • –filter, –format and -q (quiet) switches which we saw above are supported with this command.
• docker service ps : Lists tasks of services
  • –filter, –format and -q (quiet) switches which we saw above are supported with this command.
• docker service logs : Display logs of service or tasks
• docker service rm : Remove service
  • -f : Force remove
• docker service update : Update service config
  • Most of the parameters defined in service create command can be updated here.
• docker service rollback : Revert back changes done in service config.
• docker service scale : Scale one or more replicated services.
  • servicename=number format
• docker service inspect : Detailed information about service.