K3S Deploy Apps Using Helm

March 27, 2023

The Helm Chart

Today most developers of Applications like ElasticSearch provide Helm Charts to simplify the deployment of these applications on Kubernetes or K3S

1. Install Helm on Centos

Add the Epel Repository to be able to install Snap:

sudo yum install epel-release

Install Snap:

sudo yum install snapd

Enable the Snap communication Socket:

sudo systemctl enable --now snapd.socket

Ctreate a Sym Link to snap folder

sudo ln -s /var/lib/snapd/snap /snap

Install Helm

You may need to wait a minute or two first

sudo snap install helm --classic

2. Install Helm on Ubuntu

There are different ways to install Helm

2.1 Install Helm Using Snap

snap install helm --classic

2.2 Install Helm by downloading the binary

wget https://get.helm.sh/helm-v3.8.2-linux-amd64.tar.gz

Extract the TarBall

tar xvf helm-*-linux-amd64.tar.gz

make Helm a terminal shortcut

sudo mv linux-amd64/helm /usr/local/bin

Check Helm (version)

helm version

2.3 Alternativly Install the Helm CLI this way

Install Helm CLI:

wget https://get.helm.sh/helm-v3.4.0-linux-amd64.tar.gz
tar -C /tmp/ -zxvf helm-v3.10.1-linux-amd64.tar.gz
#rm helm-v3.10.1-linux-amd64.tar.gz
mv /tmp/linux-amd64/helm /usr/local/bin/helm
chmod +x /usr/local/bin/helm

Install Newer version:

wget https://get.helm.sh/helm-v3.10.1-linux-amd64.tar.gz
tar -C /tmp/ -zxvf helm-v3.10.1-linux-amd64.tar.gz
#rm helm-v3.10.1-linux-amd64.tar.gz
mv /tmp/linux-amd64/helm /usr/bin/helm
chmod +x /usr/bin/helm

3. Using Helm to Install ElasticSearch

Visit the ElsticSearch Artefact site:

https://artifacthub.io/packages/helm/elastic/elasticsearch

Installing version 7.17.3

This chart is tested with the latest 7.17.3 version.

Install released version using Helm repository
Add the Elastic Helm charts repo: helm repo add elastic https://helm.elastic.co

Install it using Helm 3:

helm install elasticsearch --version 7.17.3 elastic/elasticsearch