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docker-cli/components/cli/docs/reference/commandline/swarm_update.md
Vincent Demeester bbb2a8ceeb Update swarm init task-history-limit docs 
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
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Component: cli
2017-06-02 00:10:02 +00:00

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swarm update

Usage:  docker swarm update [OPTIONS]

Update the swarm

Options:
      --cert-expiry duration            Validity period for node certificates (default 2160h0m0s)
      --dispatcher-heartbeat duration   Dispatcher heartbeat period (default 5s)
      --external-ca value               Specifications of one or more certificate signing endpoints
      --help                            Print usage
      --task-history-limit int          Task history retention limit (default 5)

Updates a swarm cluster with new parameter values. This command must target a manager node.

$ docker swarm update --cert-expirty 4000h0m0s

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