Amazon Linux 2: A Comprehensive Guide

Introduction

Introducing Amazon Linux 2

Amazon Linux 2 is an operating system from Amazon Web Services (AWS) designed for running applications on its cloud computing platform. It is a security-focused, stable, and high-performance operating system that provides a consistent experience across different AWS services.

Key Features

Amazon Linux 2 offers several key features, including:

• Enhanced security with SELinux enabled by default
• Improved performance with optimized kernel and file system
• Long-term support for updates and patches
• Support for a wide range of AWS services, including:
  • EC2
  • Lambda
  • ECS

Installing Amazon Linux 2

Downloading the AMI Image

To install Amazon Linux 2 on a hypervisor, you need to download the AMI (Amazon Machine Image) image. The AMI images for Amazon Linux 2 can be found on the AWS Marketplace.

Creating an Instance

Once you have the AMI image, you can create an EC2 instance using the image. When configuring the instance, you can specify the instance type, size, and other settings.

Using Amazon Linux 2

Package Management

Amazon Linux 2 uses yum as its package manager. You can install packages using the following command:

```sh yum install ```

System Updates

To update your Amazon Linux 2 instance, you can use the following command:

```sh yum update ```

Security

Security is a key focus of Amazon Linux 2. It comes with SELinux enabled by default, which provides mandatory access controls to protect your system from unauthorized access.

Conclusion

Amazon Linux 2 is a robust and reliable operating system for running applications on AWS. Its security features, performance optimizations, and support for AWS services make it an excellent choice for developers and IT professionals.