diff --git a/content/rancher/v2.x/en/installation/other-installation-methods/air-gap/install-rancher/_index.md b/content/rancher/v2.x/en/installation/other-installation-methods/air-gap/install-rancher/_index.md index f564e7fe2b1..c12809c0695 100644 --- a/content/rancher/v2.x/en/installation/other-installation-methods/air-gap/install-rancher/_index.md +++ b/content/rancher/v2.x/en/installation/other-installation-methods/air-gap/install-rancher/_index.md @@ -176,8 +176,8 @@ kubectl create namespace cert-manager kubectl apply -f cert-manager/cert-manager-crd.yaml ``` -> **Important:** -> If you are running Kubernetes v1.15 or below, you will need to add the `--validate=false flag to your kubectl apply command above else you will receive a validation error relating to the x-kubernetes-preserve-unknown-fields field in cert-manager’s CustomResourceDefinition resources. This is a benign error and occurs due to the way kubectl performs resource validation. + > **Note:** + > If you are running Kubernetes v1.15 or below, you will need to add the `--validate=false` flag to your `kubectl apply` command above, or else you will receive a validation error relating to the `x-kubernetes-preserve-unknown-fields` field in cert-manager’s CustomResourceDefinition resources. This is a benign error and occurs due to the way kubectl performs resource validation. 1. Launch cert-manager. ```plain diff --git a/content/rancher/v2.x/en/installation/requirements/_index.md b/content/rancher/v2.x/en/installation/requirements/_index.md index 8c3e0d2b57f..65c9a808a6a 100644 --- a/content/rancher/v2.x/en/installation/requirements/_index.md +++ b/content/rancher/v2.x/en/installation/requirements/_index.md @@ -48,16 +48,12 @@ This section describes the CPU, memory, and disk requirements for the nodes wher ### CPU and Memory -Hardware requirements scale based on the size of your Rancher deployment. Provision each individual node according to the requirements. The requirements are different depending on if you are installing Rancher on a single node or on a high-availability Kubernetes cluster. - -For production environments, the Rancher server should be installed on an HA cluster. - -Rancher can also be installed on a single node in a development or testing environment. +Hardware requirements scale based on the size of your Rancher deployment. Provision each individual node according to the requirements. The requirements are different depending on if you are installing Rancher with Docker or on a Kubernetes cluster. {{% tabs %}} -{{% tab "HA Node Requirements" %}} +{{% tab "Nodes in Kubernetes Install" %}} -These requirements apply to [installing Rancher on a Kubernetes cluster]({{}}/rancher/v2.x/en/installation/k8s-install/) of Rancher. +These requirements apply to [installing Rancher on a Kubernetes cluster.]({{}}/rancher/v2.x/en/installation/k8s-install/) | Deployment Size | Clusters | Nodes | vCPUs | RAM | | --------------- | --------- | ---------- | ----------------------------------------------- | ----------------------------------------------- | @@ -68,7 +64,7 @@ These requirements apply to [installing Rancher on a Kubernetes cluster]({{}}/rancher/v2.x/en/installation/other-installation-methods/single-node-docker) installations of Rancher. diff --git a/content/rancher/v2.x/en/installation/requirements/ports/_index.md b/content/rancher/v2.x/en/installation/requirements/ports/_index.md index 25218cf0620..7a2a7ec8dce 100644 --- a/content/rancher/v2.x/en/installation/requirements/ports/_index.md +++ b/content/rancher/v2.x/en/installation/requirements/ports/_index.md @@ -1,10 +1,10 @@ --- title: Port Requirements -description: Read about port requirements needed in order for Rancher to operate properly, both for Rancher nodes and Kubernetes cluster nodes +description: Read about port requirements needed in order for Rancher to operate properly, both for Rancher nodes and downstream Kubernetes cluster nodes weight: 300 --- -To operate properly, Rancher requires a number of ports to be open on Rancher nodes and Kubernetes cluster nodes. +To operate properly, Rancher requires a number of ports to be open on Rancher nodes and on downstream Kubernetes cluster nodes. ## Rancher Nodes @@ -14,7 +14,7 @@ The following table lists the ports that need to be open to and from nodes that **Note** Rancher nodes may also require additional outbound access for any external authentication provider which is configured (LDAP for example). -## Kubernetes Cluster Nodes +## Downstream Kubernetes Cluster Nodes The ports required to be open for cluster nodes changes depending on how the cluster was launched. Each of the tabs below list the ports that need to be opened for different [cluster creation options]({{}}/rancher/v2.x/en/cluster-provisioning/#cluster-creation-options).