How to Install Davis on Ubuntu Server Latest

Davis is a lightweight, real-time dashboard for Kubernetes built with ReactJS and NodeJS. In this tutorial, you will learn how to install Davis on your Ubuntu Server Latest system.

Prerequisites

  • An Ubuntu Server Latest system
  • Node.js v12.0 or higher
  • Docker
  • Kubernetes CLI (kubectl)

Step 1 - Clone Davis Repository

Begin with clone the Davis repository in your Ubuntu Server Latest with git.

git clone https://github.com/tchapi/davis.git

Step 2 - Configure Kubernetes Cluster

Add and configure a Kubernetes cluster on your system:

sudo snap install microk8s --classic

Once installed, start the microk8s service using:

microk8s.start

Add kubectl to your Ubuntu environment:

sudo snap install kubectl --classic

Verify that your cluster is running correctly by typing:

microk8s.kubectl get nodes

Step 3 - Install Davis using Docker

Navigate into the Davis directory you cloned earlier and run:

sudo docker build -t <your-repo-name>/davis .

Once build is done, start the container:

sudo docker run -p 8080:8080 <your-repo-name>/davis:latest

Step 4 - Configure Secure Access to Davis

Create a Kubernetes secret that contains your SSL certificate files, match these files with your own file names:

kubectl create secret tls tls-secret --key /path/to/private.key --cert /path/to/certificate.crt

Next, navigate to the davis-server.yaml file, and make the following changes:

  • Change x.x.x.x to your server's IP address.

  • Uncomment the following lines:

    tls:
  hosts:
    - dashboard.example.com
  secretName: tls-secret

Then run the following command to deploy Davis to Kubernetes:

kubectl apply -f davis-server.yaml

Finally, expose the service using:

kubectl expose deployment davis-server --type=LoadBalancer --port=443 --target-port=8080 --name=davis-server-lb

Step 5 - Access Davis Dashboard

Now you can access the Davis dashboard with your server's IP address or domain name using HTTPS protocol on port 443: 

https://dashboard.example.com

Great! Now you have successfully installed Davis and it's ready for monitoring your Kubernetes cluster. Enjoy!