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iam-veeramalla authored Feb 22, 2023
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# Kubernetes-Zero-to-Hero
Creating this repo with an intent to make Kubernetes easy for begineers. This is a work-in-progress repo.

## Kubernetes Installation Using KOPS on EC2

### Create an EC2 instance or use your personal laptop.

Dependencies required

1. Python3
2. AWS CLI
3. kubectl

### Install dependencies

```
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
```

```
echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list
```

```
sudo apt-get update
sudo apt-get install -y python3-pip apt-transport-https kubectl
```

```
pip3 install awscli --upgrade
```

```
export PATH="$PATH:/home/ubuntu/.local/bin/"
```

### Install KOPS (our hero for today)

```
curl -LO https://github.com/kubernetes/kops/releases/download/$(curl -s https://api.github.com/repos/kubernetes/kops/releases/latest | grep tag_name | cut -d '"' -f 4)/kops-linux-amd64
chmod +x kops-linux-amd64
sudo mv kops-linux-amd64 /usr/local/bin/kops
```

### Provide the below permissions to your IAM user. If you are using the admin user, the below permissions are available by default

1. AmazonEC2FullAccess
2. AmazonS3FullAccess
3. IAMFullAccess
4. AmazonVPCFullAccess

### Set up AWS CLI configuration on your EC2 Instance or Laptop.

Run `aws configure`

## Kubernetes Cluster Installation

Please follow the steps carefully and read each command before executing.

### Create S3 bucket for storing the KOPS objects.

```
aws s3api create-bucket --bucket kops-abhi-storage --region us-east-1
```

### Create the cluster

```
kops create cluster --name=demok8scluster.k8s.local --state=s3://kops-abhi-storage --zones=us-east-1a --node-count=1 --node-size=t2.micro --master-size=t2.micro --master-volume-size=8 --node-volume-size=8
```

### Important: Edit the configuration as there are multiple resources created which won't fall into the free tier.

```
kops edit cluster myfirstcluster.k8s.local
```

Step 12: Build the cluster

```
kops update cluster demok8scluster.k8s.local --yes
```

This will take a few minutes to create............

After a few mins, run the below command to verify the cluster installation.

```
kops validate cluster demok8scluster.k8s.local
```

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