Kubernetes

kubernetes.io

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🌐 Resources 🔗

• Kubernetes Docs

  • Kubernetes Components

• Kubernetes Learning Path - NotHarshhaa

Backups

• Velero: https://github.com/vmware-tanzu/velero

Serverless

• Knative: https://github.com/knative

Labs

• Kubernetes Goat

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Kubernetes Intro

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Kubernetes Components

Kubernetes Components - kubernetes.io

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Kubernetes Cluster Architecture

Kubernetes Cluster Architecture - kubernetes.io

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minikube and kubectl

• minikube

# Install minikube
curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube_latest_amd64.deb
sudo dpkg -i minikube_latest_amd64.deb

• kubectl

# Install kubectl
sudo sh -c '
	sudo apt install -y apt-transport-https ca-certificates curl gnupg
	sudo mkdir -p -m 755 /etc/apt/keyrings
	curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.33/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
	chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg
	echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.33/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
	chmod 644 /etc/apt/sources.list.d/kubernetes.list
	sudo apt update && sudo apt install -y kubectl
'
mkdir -p $HOME/.kube
sudo touch -f $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube && chmod 700 $HOME/.kube
sudo chown $(id -u):$(id -g) $HOME/.kube/config && chmod 600 $HOME/.kube/config

Commands for the minikube cluster

minikube start
# Start specific version or to Upgrade
minikube start --kubernetes-version=v1.31.0

minikube stop

# Deletes local cluster
minikube delete

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Labs

TechWorld with Nana

• bootcamp-kubernetes - TechWorld with Nana

• online-shop-microservices-deployment - TechWorld with Nana

• GoogleCloudPlatform - microservices-demo: Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.

mkdir -p $HOME/repo/techworld
cd $HOME/repo/techworld

git clone https://gitlab.com/nanuchi/bootcamp-kubernetes.git
git clone https://gitlab.com/nanuchi/online-shop-microservices-deployment.git
git clone --depth 1 --branch v0 https://github.com/GoogleCloudPlatform/microservices-demo.git

Kubernetes Goat

# Pre-requisites:
# 1. Ensure you have admin access to the Kubernetes cluster
# 2. Install kubectl, helm

# Setup Kubernetes Goat
mkdir -p $HOME/repo
cd $HOME/repo

git clone https://github.com/madhuakula/kubernetes-goat.git
cd kubernetes-goat
chmod +x setup-kubernetes-goat.sh
bash setup-kubernetes-goat.sh