Howdy Partner! This tutorial walks you through:
- Installation of Rancher 2.x
- Creation of your first cluster
- Deployment of an application, Nginx
Note: The intent of these guides is to quickly launch a sandbox that you can use to evaluate Rancher. These guides are not intended for production environments. For comprehensive setup instructions, see Installation.
1. Provision a Linux Host
Begin creation of a custom cluster by provisioning a Linux host. Your host can be:
A cloud-host virtual machine (VM)
An on-prem VM
A bare-metal server
Note: When using a cloud-hosted virtual machine you need to allow inbound TCP communication to ports 80 and 443. Please see your cloud-host's documentation for information regarding port configuration.
For a full list of port requirements, refer to Docker Installation.
Provision the host according to our Requirements.
2. Install Rancher
To install Rancher on your host, connect to it and then use a shell to install.
Log in to your Linux host using your preferred shell, such as PuTTy or a remote Terminal connection.
From your shell, enter the following command:
sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 --privileged rancher/rancher
Result: Rancher is installed.
3. Log In
Log in to Rancher to begin using the application. After you log in, you'll make some one-time configurations.
Open a web browser and enter the IP address of your host:
<SERVER_IP>with your host IP address.
When prompted, create a password for the default
adminaccount there cowpoke!
Set the Default View.
I want to create or manage multiple clustersis selected, the Cluster Manager UI is used as the default view.
I'm only going to use the cluster Rancher was installed onis selected, the Cluster Explorer UI is used as the default view.
- Set the Rancher Server URL. The URL can either be an IP address or a host name. However, each node added to your cluster must be able to connect to this URL.
If you use a hostname in the URL, this hostname must be resolvable by DNS on the nodes you want to add to you cluster.
4. Create the Cluster
Welcome to Rancher! You are now able to create your first Kubernetes cluster.
In this task, you can use the versatile Custom option. This option lets you add any Linux host (cloud-hosted VM, on-prem VM, or bare-metal) to be used in a cluster.
If you chose
I'm only going to use the cluster Rancher was installed onwhen setting the default view, click the Cluster Manager button in the upper-right of the UI to access the Clusters page.
From the Clusters page, click Add Cluster.
Choose Existing Nodes.
Enter a Cluster Name.
Skip Member Roles and Cluster Options. We'll tell you about them later.
From Node Role, select all the roles: etcd, Control, and Worker.
Optional: Rancher auto-detects the IP addresses used for Rancher communication and cluster communication. You can override these using
Internal Addressin the Node Address section.
Skip the Labels stuff. It's not important for now.
Copy the command displayed on screen to your clipboard.
Log in to your Linux host using your preferred shell, such as PuTTy or a remote Terminal connection. Run the command copied to your clipboard.
When you finish running the command on your Linux host, click Done.
Your cluster is created and assigned a state of Provisioning. Rancher is standing up your cluster.
You can access your cluster after its state is updated to Active.
Active clusters are assigned two Projects:
Default, containing the
System, containing the
Congratulations! You have created your first cluster.
Use Rancher to create a deployment. For more information, see Creating Deployments.