To get the most out of this book

The knowledge that is required by readers in order to benefit from this book is as follows:

A basic understanding of general cloud computing terminology and environments
A basic understanding of networking, the OSI layers, and the IP stack
A basic understanding of network function devices, such as routers, firewalls, load balancers, and content delivery networks
A basic understanding of virtualization and server operating systems
A basic understanding of user and security management
A basic understanding of storage concepts (for example, object storage, block storage, and file storage)
A basic understanding of database services
A basic understanding of messaging in applications
A basic understanding of serverless computing
A basic understanding of automation and orchestration

In addition, a more in-depth understanding of the following topics will be beneficial:

Designing applications for high availability and resilience
Operating system scripting languages
Database structures
The JSON data format
Programming languages and application design

Download the example code files

You can download the example code files for this book from your account at www.packt.com. If you purchased this book elsewhere, you can visit www.packt.com/support and register to have the files emailed directly to you.

You can download the code files by following these steps:

Log in or register at www.packt.com.
Select the SUPPORT tab.
Click on Code Downloads & Errata.
Enter the name of the book in the Search box and follow the onscreen instructions.

Once the file is downloaded, please make sure that you unzip or extract the folder using the latest version of:

WinRAR/7-Zip for Windows
Zipeg/iZip/UnRarX for Mac
7-Zip/PeaZip for Linux

The code bundle for the book is also hosted on GitHub at https://github.com/PacktPublishing/AWS-Certified-SysOps-Administrator-Associate-Guide. In case there's an update to the code, it will be updated on the existing 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!

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here: https://www.packtpub.com/sites/default/files/downloads/9781788990776_ColorImages.pdf.

Conventions used

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

CodeInText: 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: "Now, open the index.html file and edit the code to replace https://yourimagelinkgoeshere with your image link."

A block of code is set as follows:

<html>
<p>Everyone loves AWS!</p>
<p><a href="https://markocloud.com"><img src="https://markocloud.com/wp-content/uploads/2016/02/markocloud-180.gif" alt="" width="180" height="155" /></a></p>
</html>

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

$ sudo file -s /dev/xvdb

Bold: Indicates a new term, an important word, or words that you see on screen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "To do so, we need to click on the bucket, select the Management tab, and click on Add lifecycle rule."

Warnings or important notes appear like this.

Tips and tricks appear like this.