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| description | keywords | title |
|---|---|---|
| Learn about the system requirements for installing Docker Universal Control Plane. | docker, ucp, architecture, requirements | UCP System requirements |
Docker Universal Control Plane can be installed on-premises or on the cloud. Before installing, be sure your infrastructure has these requirements.
Hardware and software requirements
You can install UCP on-premises or on a cloud provider. To install UCP, all nodes must have:
- Linux kernel version 3.10 or higher
- CS Docker Engine version 1.13.0 or higher
- 4.00 GB of RAM
- 3.00 GB of available disk space
- A static IP address
For highly-available installations, you also need a way to transfer files between hosts.
Ports used
When installing UCP on a host, make sure the following ports are open:
| Hosts | Direction | Port | Purpose |
|---|---|---|---|
| managers, workers | in | TCP 443 (configurable) | Port for the UCP web UI and API |
| managers | in | TCP 2376 (configurable) | Port for the Docker Swarm manager. Used for backwards compatibility |
| managers, workers | in | TCP 2377 (configurable) | Port for communication between swarm nodes |
| managers, workers | in, out | UDP 4789 | Port for overlay networking |
| managers, workers | in, out | TCP, UDP 7946 | Port for gossip-based clustering |
| managers, workers | in | TCP 12376 | Port for a TLS proxy that provides access to UCP, Docker Engine, and Docker Swarm |
| managers | in | TCP 12379 | Port for internal node configuration, cluster configuration, and HA |
| managers | in | TCP 12380 | Port for internal node configuration, cluster configuration, and HA |
| managers | in | TCP 12381 | Port for the certificate authority |
| managers | in | TCP 12382 | Port for the UCP certificate authority |
| managers | in | TCP 12383 | Port for the authentication storage backend |
| managers | in | TCP 12384 | Port for the authentication storage backend for replication across managers |
| managers | in | TCP 12385 | Port for the authentication service API |
| managers | in | TCP 12386 | Port for the authentication worker |
| managers | in | TCP 12387 | Port for the metrics service |
Compatibility and maintenance lifecycle
Docker Datacenter is a software subscription that includes 3 products:
- CS Docker Engine,
- Docker Trusted Registry,
- Docker Universal Control Plane.
Learn more about the maintenance lifecycle for these products.
Version compatibility
UCP 2.1 requires minimum versions of the following Docker components:
- Docker Engine 1.13.0
- Docker Remote API 1.25
- Compose 1.9