Upon connection, it generates an agent account and API key pair in Rancher server. The registration token, which is the long URL in the Add Host -> Custom screen, is used by the Rancher agent to connect to the server for the first time. How do Hosts work?Ī host gets connected to Rancher server when the Rancher agent container is started on the host. Rancher also supports Docker Machine and allows you to add your host via any of its supported drivers.įrom the Infrastructure -> Hosts tab, click on Add Host.

Includes when using release 7.3 or higher. Please refer to the Docker documentation on how to change it. devicemapper using loopback, is not recommended by Docker.

RancherOS, Ubuntu, RHEL/CentOS 7 are more heavily tested. Hosts are the most basic unit of resource within Rancher and is represented as any Linux server, virtual or physical, with the following minimum requirements:

If you are looking for Rancher 2.x docs, see here. These docs are for Rancher v1.2, for the current 1.6 docs, see here.