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docker-cli/components/engine/docs/reference/commandline/swarm_update.md
Vincent Demeester d634daae27 Updates on cli reference documentation
- Update ps with `--last` flag
- Update commands with current output
- Make sure hugo does not detect the wrong language
- Update usage for `tag` command to be more coherent with the other ones

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: f4cfc6b9830ed236eb588d6a4dddca7455145e70
Component: engine
2016-07-07 20:43:18 +02:00

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1.1 KiB
Markdown

<!--[metadata]>
+++
title = "swarm update"
description = "The swarm update command description and usage"
keywords = ["swarm, update"]
advisory = "rc"
[menu.main]
parent = "smn_cli"
+++
<![end-metadata]-->
# swarm update
```markdown
Usage: docker swarm update [OPTIONS]
Update the Swarm
Options:
--auto-accept value Auto acceptance policy (worker, manager or none)
--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
--secret string Set secret value needed to accept nodes into cluster
--task-history-limit int Task history retention limit (default 10)
```
Updates a Swarm cluster with new parameter values. This command must target a manager node.
```bash
$ docker swarm update --auto-accept manager
```
## Related information
* [swarm init](swarm_init.md)
* [swarm join](swarm_join.md)
* [swarm leave](swarm_leave.md)