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moby/docs/reference/commandline/swarm_update.md
Vincent Demeester 6db1c73da7 Update swarm init task-history-limit docs 
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
(cherry picked from commit 180f8c61bb)
Signed-off-by: Tibor Vass <tibor@docker.com>
2016-07-25 23:17:34 -07:00

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Warning: this command is part of the Swarm management feature introduced in Docker 1.12, and might be subject to non backward-compatible changes.

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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