If you were using Boot2Docker previously, you have a pre-existing Docker boot2docker-vm VM on your local system. To allow Docker Machine to manage this older VM, you must migrate it.
Open a terminal or the Docker CLI on your system.
Type the following command.
$ docker-machine create -d virtualbox --virtualbox-import-boot2docker-vm boot2docker-vm docker-vm
Use the docker-machine command to interact with the migrated VM.
The docker-machine subcommands are slightly different than the boot2docker subcommands. The table below lists the equivalent docker-machine subcommand and what it does:
boot2docker | docker-machine |
docker-machine description |
|---|---|---|
| init | create | Creates a new docker host. |
| up | start | Starts a stopped machine. |
| ssh | ssh | Runs a command or interactive ssh session on the machine. |
| save | - | Not applicable. |
| down | stop | Stops a running machine. |
| poweroff | stop | Stops a running machine. |
| reset | restart | Restarts a running machine. |
| config | inspect | Prints machine configuration details. |
| status | ls | Lists all machines and their status. |
| info | inspect | Displays a machine’s details. |
| ip | ip | Displays the machine’s IP address. |
| shellinit | env | Displays shell commands needed to configure your shell to interact with a machine |
| delete | rm | Removes a machine. |
| download | - | Not applicable. |
| upgrade | upgrade | Upgrades a machine’s Docker client to the latest stable release. |
machine, commands, boot2docker, migrate, docker
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https://docs.docker.com/machine/migrate-to-machine/