How to Install and use Rancher 2 on Ubuntu 18.04 to manage containers

Here is the installation process of Rancher on Ubuntu 18.04.
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Install Rancher on Ubuntu 18.04

1. Step 1: Install Docker on Ubuntu 18.04 ( Both rancher server and worker node) ...
2. Step 2: Create a Rancher docker container ( On Rancher Node) ...
3. Step 3: Create a Kubernetes Cluster. ...
4. Step 4: Deploy Container application.

1. How do I setup and configure a rancher?
2. How do you install rancher on Kubernetes?
3. What URL should be used for this rancher installation?
4. Does rancher use Docker?
5. What is the difference between rancher and Kubernetes?
6. How do you get to the rancher GUI?
7. Is rancher free to use?
8. What namespace is rancher installed into?
9. What is rancher helm?
10. How do you use rancher command line?
11. How do I change my rancher URL?
12. How do you start a rancher?

How do I setup and configure a rancher?

Our instructions for installing Rancher on Kubernetes describe how to first use K3s or RKE to create and manage a Kubernetes cluster, then install Rancher onto that cluster. When the nodes in your Kubernetes cluster are running and fulfill the node requirements, you will use Helm to deploy Rancher onto Kubernetes.

How do you install rancher on Kubernetes?

1. Kubernetes Cluster. Set up the Rancher server's local Kubernetes cluster. ...
2. CLI Tools. ...
3. Ingress Controller (for Hosted Kubernetes) ...
4. Add the Helm Chart Repository. ...
5. Create a Namespace for Rancher. ...
6. Choose your SSL Configuration. ...
7. Install cert-manager. ...
8. Install Rancher with Helm and Your Chosen Certificate Option.

What URL should be used for this rancher installation?

Navigate to the following URL: http://<SERVER_IP>:8080 . The <SERVER_IP> is the public IP address of the host that is running Rancher server. Once the UI is up and running, you can start by adding hosts or select a container orchestration from the Infrastructure catalog.

Does rancher use Docker?

Rancher can be installed by running a single Docker container. In this installation scenario, you'll install Docker on a single Linux host, and then deploy Rancher on your host using a single Docker container.

What is the difference between rancher and Kubernetes?

Kubernetes contains powerful functionality for orchestrating applications and guaranteeing service availability. Rancher adds a complete UI and workload management layer to Kubernetes, that simplifies adoption and integrates CI/CD as well as key open source projects such as Prometheus, Grafana and Fluentd.

How do you get to the rancher GUI?

Our UI is exposed on port 8080 , so in order to view the UI, go to http://<SERVER_IP>:8080 . If you are running your browser on the same host running Rancher server, you will need to use the host's real IP, like http://192.168.1.100:8080 and not http://localhost:8080 or http://127.0.0.1:8080 .

Is rancher free to use?

Rancher, RKE, K3s and all other Rancher products are 100% free and open source.

What namespace is rancher installed into?

A namespace is a Kubernetes concept that allows a virtual cluster within a cluster, which is useful for dividing the cluster into separate “virtual clusters” that each have their own access control and resource quotas. A project is a group of namespaces, and it is a concept introduced by Rancher.

What is rancher helm?

Helm is the package management tool of choice for Kubernetes. Helm charts provide templating syntax for Kubernetes YAML manifest documents. With Helm we can create configurable deployments instead of just using static files.

How do you use rancher command line?

To select a project to work on, use the command ./rancher context switch . When you enter this command, a list of available projects displays. Enter a number to choose your project.

How do I change my rancher URL?

Steps to change the URL of Rancher installation and switch from a self-signed certificate to a certificate signed by recognized CA. Change the Rancher server-url setting to the new URL: Navigate to https://<old_rancher_hostname>/g/settings/advanced. Edit server-url to https://<new_rancher_hostname>

How do you start a rancher?

To install Rancher on your host, connect to it and then use a shell to install.

1. Log in to your Linux host using your preferred shell, such as PuTTy or a remote Terminal connection.
2. From your shell, enter the following command: sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 --privileged rancher/rancher.