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adding content to custom cluster topic. Also edited out unneccesary content in custom-nodes

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Mark Bishop
2018-07-18 14:37:56 -07:00
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commit 7717f3b122
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content/rancher/v2.x/en/cluster-provisioning/custom-clusters/_index.md
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title: Creating a Custom Cluster
shortTitle: Custom Cluster
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title: Custom Cluster
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If you don't want to host your Kubernetes cluster in a [hosted kubernetes provider]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/hosted-kubernetes-clusters) or one of the major IaaS providers listed in [Node Pools]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/node-pools), you can use the _custom cluster_ option to host your cluster in on-premise bare-metal servers, on-premise virtual machines, or in _any_ IaaS provider.
In this scenario, you'll have to build the hosts yourself, and then configure them to meet Rancher's [requirements]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/custom-nodes/#requirements). Then, use the [Custom Nodes]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/custom-nodes/_index.md) install option to setup your cluster.
content/rancher/v2.x/en/cluster-provisioning/rke-clusters/custom-nodes/_index.md
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## Custom Nodes
Use Rancher to create a Kubernetes cluster on your on-premise bare metal servers. This option creates a cluster using RKE, which is Rancher's own lightweight Kubernetes installer. In addition to bare metal servers, RKE can also create clusters on _any_ IaaS providers by integrating with node drivers.
Use Rancher to create a Kubernetes cluster on your on-premise bare metal servers. This option creates a cluster using a combination of <a href='https://docs.docker.com/machine/' target='_blank'>Docker Machine</a> and RKE, which is Rancher's own lightweight Kubernetes installer. In addition to bare metal servers, RKE can also create clusters on _any_ IaaS providers by integrating with node drivers.
To use this option you'll need access to servers you intend to use as your Kubernetes cluster. Provision each server according to Rancher requirements, which includes some hardware specifications and Docker. After you install Docker on each server, run the command provided in the Rancher UI to turn each server into a Kubernetes node.
You can create provider-hosted nodes from the Rancher UI by creating a node template. After providing Rancher with an access token from the vendor you're using, Rancher prompts you for specifications that it will send to your provider. The provider than provisions your nodes based on the template.
To use this option you'll need access to servers you intend to use as your Kubernetes cluster. Provision each server according to Rancher [requirements](#requirements), which includes some hardware specifications and Docker. After you install Docker on each server, run the command provided in the Rancher UI to turn each server into a Kubernetes node.
## Objectives for Creating Cluster with Custom Nodes