sudo docker swarm update --autolock=true
Swarm updated.
To unlock a swarm manager after it restarts, run the `docker swarm unlock`
command and provide the following key:
SWMKEY-1-2ppI868kNB3T0XVZf4PqkFq2TU0xiL+9G1ya8wRhLf4
Please remember to store this key in a password manager, since without it you
will not be able to restart the manager.
sudo systemctl restart docker.service
sudo docker service ls
Error response from daemon: Swarm is encrypted and needs to be unlocked before it can be used. Please use "docker swarm unlock" to unlock it.
sudo docker swarm unlock
Please enter unlock key:
#to view the current unlock key
sudo docker swarm unlock-key
To unlock a swarm manager after it restarts, run the `docker swarm unlock`
command and provide the following key:
SWMKEY-1-2ppI868kNB3T0XVZf4PqkFq2TU0xiL+9G1ya8wRhLf4
Please remember to store this key in a password manager, since without it you
will not be able to restart the manager.
#to rotate the unlock key
sudo 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-y+/oFN8p4GmlEHMjuHuLVgBjhF1eTG7IbDyAE8+cQMw
Please remember to store this key in a password manager, since without it you
will not be able to restart the manager.
# To disable auto-locking
sudo docker swarm update --autolock=false
Swarm updated.
sudo docker swarm unlock-key
no unlock key is set
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