2.9 KiB
| description | keywords | title | hide_from_sitemap |
|---|---|---|---|
| Generic driver for machine | machine, Generic, driver | Generic | true |
Create machines using an existing VM/Host with SSH.
This is useful if you are using a provider that Machine does not support directly or if you would like to import an existing host to allow Docker Machine to manage.
The driver performs a list of tasks on create:
- If docker is not running on the host, it is installed automatically.
- It updates the host packages (
apt-get update,yum update...). - It generates certificates to secure the docker daemon.
- If the host uses systemd, it creates /etc/systemd/system/docker.service.d/10-machine.conf
- The docker daemon restarts, thus all running containers are stopped.
- The hostname is updated to fit the machine name.
Example
To create a machine instance, specify --driver generic, the IP address or DNS
name of the host and the path to the SSH private key authorized to connect
to the host.
$ docker-machine create \
--driver generic \
--generic-ip-address=203.0.113.81 \
--generic-ssh-key ~/.ssh/id_rsa \
vm
Sudo privileges
The user that is used to SSH into the host can be specified with
--generic-ssh-user flag. This user needs password-less sudo
privileges.
If it's not the case, you need to edit the sudoers file and configure the user
as a sudoer with NOPASSWD. See https://help.ubuntu.com/community/Sudoers.
Options
--generic-engine-port: Port to use for Docker Daemon (Note: This flag does not work with boot2docker).--generic-ip-address: required IP Address of host.--generic-ssh-key: Path to the SSH user private key.--generic-ssh-user: SSH username used to connect.--generic-ssh-port: Port to use for SSH.
Note: You must use a base operating system supported by Machine.
Environment variables and default values
| CLI option | Environment variable | Default |
|---|---|---|
--generic-engine-port |
GENERIC_ENGINE_PORT |
2376 |
--generic-ip-address |
GENERIC_IP_ADDRESS |
- |
--generic-ssh-key |
GENERIC_SSH_KEY |
- |
--generic-ssh-user |
GENERIC_SSH_USER |
root |
--generic-ssh-port |
GENERIC_SSH_PORT |
22 |
Systemd settings
For systems that use systemd, if you have an existing configuration defined in '/etc/systemd/system/docker.service.d/' this may conflict with the settings created by docker-machine. Make sure you don't have any other configuration files in this location that override the [ExecStart] setting.
Once you have confirmed any conflicting settings have been removed, run
sudo systemctl daemon reload followed by sudo systemctl restart docker