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Say that supported K3s version must be used for Rancher install

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Catherine Luse
2021-01-08 17:28:03 -07:00
parent b2373c5584
commit 1fe5b4213c
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content/rancher/v2.x/en/installation/requirements/_index.md
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@@ -47,6 +47,8 @@ For the container runtime, RKE should work with any modern Docker version.
For the container runtime, K3s should work with any modern version of Docker or containerd.
Rancher needs to be installed on a supported Kubernetes version. To find out which versions of Kubernetes are supported for your Rancher version, refer to the [support maintenance terms.](https://rancher.com/support-maintenance-terms/) To specify the K3s version, use the INSTALL_K3S_VERSION environment variable when running the K3s installation script.
If you are installing Rancher on a K3s cluster with **Raspbian Buster**, follow [these steps]({{<baseurl>}}/k3s/latest/en/advanced/#enabling-legacy-iptables-on-raspbian-buster) to switch to legacy iptables.
If you are installing Rancher on a K3s cluster with Alpine Linux, follow [these steps]({{<baseurl>}}/k3s/latest/en/advanced/#additional-preparation-for-alpine-linux-setup) for additional setup.
content/rancher/v2.x/en/installation/resources/k8s-tutorials/ha-with-external-db/_index.md
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@@ -19,6 +19,7 @@ For systems without direct internet access, refer to the air gap installation in
These instructions assume you have set up two nodes, a load balancer, a DNS record, and an external MySQL database as described in [this section.]({{<baseurl>}}/rancher/v2.x/en/installation/resources/k8s-tutorials/infrastructure-tutorials/infra-for-ha-with-external-db/)
Rancher needs to be installed on a supported Kubernetes version. To find out which versions of Kubernetes are supported for your Rancher version, refer to the [support maintenance terms.](https://rancher.com/support-maintenance-terms/) To specify the K3s version, use the INSTALL_K3S_VERSION environment variable when running the K3s installation script.
# Installing Kubernetes
### 1. Install Kubernetes and Set up the K3s Server
@@ -31,6 +32,11 @@ When running the command to start the K3s Kubernetes API server, you will pass i
curl -sfL https://get.k3s.io | sh -s - server \
--datastore-endpoint="mysql://username:password@tcp(hostname:3306)/database-name"
```
To specify the K3s version, use the INSTALL_K3S_VERSION environment variable:
```sh
curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=vX.Y.Z sh -s - server \
--datastore-endpoint="mysql://username:password@tcp(hostname:3306)/database-name"
```
Note: The datastore endpoint can also be passed in using the environment variable `$K3S_DATASTORE_ENDPOINT`.
1. Repeat the same command on your second K3s server node.