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2.4 KiB
2.4 KiB
title | description | keywords |
---|---|---|
swarm unlock-key | The swarm unlock-keycommand description and usage | swarm, unlock-key |
swarm unlock-key
Usage: docker swarm unlock-key [OPTIONS]
Manage the unlock key
Options:
--help Print usage
-q, --quiet Only display token
--rotate Rotate unlock key
Description
An unlock key is a secret key needed to unlock a manager after its Docker daemon restarts. These keys are only used when the autolock feature is enabled for the swarm.
You can view or rotate the unlock key using swarm unlock-key
. To view the key,
run the docker swarm unlock-key
command without any arguments:
Examples
$ docker swarm unlock-key
To unlock a swarm manager after it restarts, run the `docker swarm unlock`
command and provide the following key:
SWMKEY-1-fySn8TY4w5lKcWcJPIpKufejh9hxx5KYwx6XZigx3Q4
Please remember to store this key in a password manager, since without it you
will not be able to restart the manager.
Use the --rotate
flag to rotate the unlock key to a new, randomly-generated
key:
$ docker swarm unlock-key --rotate
Successfully rotated manager unlock key.
To unlock a swarm manager after it restarts, run the `docker swarm unlock`
command and provide the following key:
SWMKEY-1-7c37Cc8654o6p38HnroywCi19pllOnGtbdZEgtKxZu8
Please remember to store this key in a password manager, since without it you
will not be able to restart the manager.
The -q
(or --quiet
) flag only prints the key:
$ docker swarm unlock-key -q
SWMKEY-1-7c37Cc8654o6p38HnroywCi19pllOnGtbdZEgtKxZu8
--rotate
This flag rotates the unlock key, replacing it with a new randomly-generated key. The old unlock key will no longer be accepted.
--quiet
Only print the unlock key, without instructions.