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How to Install Rancher on CentOS 7

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How to Install Rancher on CentOS 7

If you are looking for a powerful and easy-to-use platform for managing and deploying your Kubernetes clusters, Rancher is an excellent choice. Rancher is an open-source container management platform that provides a user-friendly interface for managing Kubernetes clusters, Docker containers, and other containerized applications.

In this tutorial, we will walk you through the process of installing Rancher on CentOS 7.

Before you begin, make sure that you have a CentOS 7 server set up with a sudo user and a firewall enabled. Additionally, you will need to have Docker installed on your server. If you do not have Docker installed, you can follow our tutorial on How to Install Docker on CentOS 7.

Step 1 - Install Rancher on CentOS 7

The first step is to download the Rancher Docker image and start a Rancher container. You can do this by running the following command:

sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher

This command will download the Rancher Docker image and start a Rancher container. The -d option tells Docker to run the container in the background, and the --restart=unless-stopped option ensures that the container will restart automatically if it crashes or is stopped. The -p options specify the ports that Rancher will use to listen for HTTP and HTTPS requests.

Step 2 - Access the Rancher Web Interface

Once the Rancher container is up and running, you can access the Rancher web interface by navigating to your server's IP address or hostname in a web browser. For example, if your server's IP address is, you can access Rancher by going to or

Note: Since we are using a self-signed SSL certificate, your browser may warn you that the connection is not secure. You can safely ignore this warning and proceed to the Rancher web interface.

Step 3 - Setup Rancher

When you first access the Rancher web interface, you will be prompted to set up Rancher. Follow the prompts to set up Rancher, including creating an administrative password and adding your first Kubernetes cluster.

Congratulations! You have successfully installed Rancher on CentOS 7.

Additional Configuration

If you want to customize your Rancher installation, you can modify the docker run command to include additional options. For example, you can specify a custom data directory or add a hostname for the Rancher container. The following is an example command that specifies a custom data directory:

sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 -v /opt/rancher:/var/lib/rancher rancher/rancher

In this command, the -v option specifies a custom data directory located at /opt/rancher.

Rancher is an excellent choice for managing Kubernetes clusters and other containerized applications. With this tutorial, you should now be able to install Rancher on CentOS 7 and start managing your containers with ease. If you have any questions or run into any issues, feel free to consult the Rancher documentation or community forums for help.

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.