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🧩 Kubernetes Installation Guide (2025 Update)

Step 1: Update Your System

To install Jenkins on Ubuntu and set up a master-slave configuration, you can follow these steps. Jenkins is a popular open-source automation server, and this guide will help you create a Jenkins master and connect one or more Jenkins slave nodes to distribute workloads.

Step 1: Install Jenkins on the Master Node

Update the package list and install Java Runtime Environment (JRE):
```
sudo apt update
```

Installation and Configure Ansible on Ubuntu

To install and configure Ansible on Ubuntu, you can follow these steps. Ansible is an open-source automation tool that simplifies configuration management, application deployment, and task automation.

Step 1: Update Package Lists

First, make sure your package lists are up to date:

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Deploy Node js App with Mongo DB and Mongo Express Using AKS

Deploying a Node.js application with MongoDB and Mongo Express on Azure Kubernetes Service (AKS) involves several steps. Here's a detailed guide to help you through the process:

Prerequisites

Azure Subscription: Ensure you have an active Azure subscription.

OpenVPN and WireGuard VPN for remote access in a Kubernetes cluster

To install both OpenVPN and WireGuard VPN for remote access in a Kubernetes cluster without modifying the underlying infrastructure, follow these steps using Helm charts and Kubernetes resources. This guide covers both VPN installations and assumes you have the prerequisites in place.

Prerequisites

Kubernetes Cluster: Ensure you have a running Kubernetes cluster.
kubectl: Command-line tool for Kubernetes.

How to Take Backup of AWS EBS Volume or Snapshot to S3 Bucket or Local Machine

To take a backup of an AWS EBS volume, you typically create a snapshot of the volume, which can then be copied to an S3 bucket or downloaded to a local machine. Here's how you can do it:

1. Create a Snapshot of the EBS Volume

Using the AWS Management Console:

Open the Amazon EC2 console.
In the navigation pane, choose Volumes.

	# main.tf

	# Provider configuration for AWS
	provider "aws" {
	region = "us-west-2" # Change to your desired AWS region
	}

	# Create a VPC
	resource "aws_vpc" "my_vpc" {
	cidr_block = "10.0.0.0/16"