diff --git a/content/rke/latest/en/os/_index.md b/content/rke/latest/en/os/_index.md index 9aab3eb05a4..74ed7d5df67 100644 --- a/content/rke/latest/en/os/_index.md +++ b/content/rke/latest/en/os/_index.md @@ -166,13 +166,21 @@ By default, Atomic hosts do not come with a Docker group. You can update the own ## Software -- Docker - Each Kubernetes version supports different Docker versions. +This section describes the requirements for Docker, Kubernetes, and SSH. -Kubernetes Version | Supported Docker version(s) | -----|----| -v1.13.x | RHEL Docker 1.13, 17.03.2, 18.06.2, 18.09.2 | -v1.12.x | RHEL Docker 1.13, 17.03.2, 18.06.2, 18.09.2 | -v1.11.x | RHEL Docker 1.13, 17.03.2, 18.06.2, 18.09.2 | +### OpenSSH + +In order to SSH into each node, OpenSSH 7.0+ must be installed on each node. + +### Kubernetes + +Refer to the [RKE release notes](https://github.com/rancher/rke/releases) for the supported versions of Kubernetes. + +### Docker + +Each Kubernetes version supports different Docker versions. The Kubernetes release notes contain the [current list](https://kubernetes.io/docs/setup/release/notes/#dependencies) of validated Docker versions. + +### Installing Docker You can either follow the [Docker installation](https://docs.docker.com/install/) instructions or use one of Rancher's [install scripts](https://github.com/rancher/install-docker) to install Docker. For RHEL, please see [How to install Docker on Red Hat Enterprise Linux 7](https://access.redhat.com/solutions/3727511). @@ -182,6 +190,8 @@ Docker Version | Install Script | 18.06.2 | curl https://releases.rancher.com/install-docker/18.06.2.sh | sh | 17.03.2 | curl https://releases.rancher.com/install-docker/17.03.2.sh | sh | +### Checking the Installed Docker Version + Confirm that a Kubernetes supported version of Docker is installed on your machine, by running `docker version --format '{{.Server.Version}}'`. ``` @@ -189,8 +199,6 @@ docker version --format '{{.Server.Version}}' 17.03.2-ce ``` -- OpenSSH 7.0+ - In order to SSH into each node, OpenSSH must be installed on each node. - ## Ports {{< ports-rke-nodes >}}