Helm Installation Guide

This document will guide you to install helm so that you can install storage-class, Kafka, OpenSearch & OpenSearch-Dashboard pods in your cluster. Helm should be installed in the k8s master VM.

Prerequisite:

  • curl installed (If curl is not installed, Install it using package manager such as yum, apt-get)

  • git installed (If git is not installed, Install it using package manager such as yum, apt-get)

  • permissions to make a file executable

Steps:

Install Helm in RHEL OS

Open Terminal of K8S Master VM and run the following commands:

  1. Downloads the Helm Script using curl

    curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3

  2. Make the script executable

    chmod 700 get_helm.sh

  3. Execute the script.

    ./get_helm.sh

Install Helm in Rocky Linux

  1. Open Terminal of K8S Master VM and run the following commands:
    1. Download tar bases Helm
      curl -fsSL -o helm.tar.gz https://get.helm.sh/helm-v3.12.3-linux-amd64.tar.gz
tar -xzf helm.tar.gz
sudo mv linux-amd64/helm /usr/local/bin/helm

Helm is now configured in your system and can be used to install any package using helm chart. You can check the Helm version and manual page using the following commands.

helm version
helm --help

Useful Helm commands:

  1. Steps to Install a Helm Chart of any Application:

#. helm repo add repo-name repository-url helm repo update #. Install the repository you added

helm install <RELEASE_NAME> <CHART_NAME>
  1. You can then check all the available helm charts and their status using
    helm list

Reference Link: Helm | Installing Helm