To get the most out of this book

Having a basic understanding of and/or experience working in AWS, EC2, networking, virtualization, containers, and creating applications in AWS can significantly enhance your comprehension and contextual grasp while reading through the chapters of this book.

Software/hardware covered in the book	Operating system requirements
EC2, AMI, VPC networking, EBS storage, virtualization, load balancing, automation, high-performance computing, containerization, and serverless	Windows, macOS, or Linux
AWS CloudFormation CDK

If you are using the digital version of this book, we advise you to type the code yourself or access the code from the book’s GitHub repository (a link is available in the next section). Doing so will help you avoid any potential errors related to the copying and pasting of code.

Download the example code files

You can download the example code files for this book from GitHub at https://github.com/PacktPublishing/Mastering-Amazon-EC2. If there’s an update to the code, it will be updated in the GitHub repository.

We also have other code bundles from our rich catalog of books and videos available at https://github.com/PacktPublishing/. Check them out!

There are a number of text conventions used throughout this book.

Code in text: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: “ Use the 'sudo mount -t efs -o tls <efs-file-system-id>:/ <mount-point>' EFS mount helper. Here, '<efs-file-system-id>' represents your unique EFS ID, and '<mount-point>' represents the desired mount location.”

A block of code is set as follows:

Parameters: 
  InstanceTypeParameter: 
    Description: Enter the instance type 
    Type: String 
    Default: t2.micro 
    AllowedValues: 
      - t2.micro 
      - m3.medium 
      - m3.large

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

[default]
exten => s,1,Dial(Zap/1|30)
exten => s,2,Voicemail(u100)
exten => s,102,Voicemail(b100)
exten => i,1,Voicemail(s0)

Any command-line input or output is written as follows:

sudo yum install -y amazon-efs-utils
sudo apt-get install -y amazon-efs-utils

Bold: Indicates a new term, an important word, or words that you see onscreen. For instance, words in menus or dialog boxes appear in bold. Here is an example: “Select System info from the Administration panel.”

Tips or important notes

Appear like this.