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allencloud b87e70e358 update command description in CLI

Signed-off-by: allencloud <allen.sun@daocloud.io>
Upstream-commit: 6c5988ed8c654527ee8dbae26d5618297f038cef
Component: engine

2016-07-31 00:06:18 +08:00

node promote

Usage:  docker node promote NODE [NODE...]

Promote one or more nodes to manager in the swarm

Options:
      --help   Print usage

Promotes a node to manager. This command targets a docker engine that is a manager in the swarm.

$ docker node promote <node name>

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