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Clarify single node air gap docs

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Catherine Luse
2019-08-16 14:18:42 -07:00
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content/rancher/v2.x/en/installation/air-gap-single-node/config-rancher-for-private-reg/_index.md
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After your private registry is populated with all the required system images, you need to configure Rancher to use the private registry.
After your private registry is populated with all the required system images, you need to configure Rancher to use the private registry. There are two places you need to use a private registry:
There are multiple ways to configure the private registry, depending on whether your private registry requires credentials:
- When Rancher is installed, to provide the Rancher system images
- After Rancher is installed, to use when deploying clusters
- If your private registry requires credentials, you need to pass the credentials to Rancher by editing the cluster options for each cluster that needs them.
There are multiple ways to configure private registries in Rancher, depending on whether your private registry requires credentials:
- If your private registry requires credentials, you need to pass the credentials to Rancher by editing the cluster options for each cluster that needs to pull images from the registry.
- If the private registry doesn't require credentials, you can configure it as a default registry through the **Settings** tab in the global view.
If your private registry requires credentials, it cannot be used as the default registry. There is no global way to set up a private registry with authorization for every Rancher-provisioned cluster. Therefore, if you want a Rancher-provisioned cluster to pull images from a private registry with credentials, you will have to [pass in the registry credentials through the advanced cluster options](#provisioning-clusters-with-private-registries-that-require-credentials) every time you create a new cluster.
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**Result:** Rancher will use your private registry to pull system images.
# Setting a Private Registry with Credentials when Provisioning a Cluster
# Setting a Private Registry with Credentials for Deploying Clusters
You can follow these steps to configure a private registry when you provision a cluster with Rancher: