March 2008
Intermediate to advanced
604 pages
18h 38m
English
Content preview from Programming Amazon Web ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6. Using EC2 Instances and Images
When you run an instance in Amazon Elastic Compute Cloud (EC2), you gain all the power and the responsibility of a server administrator. You can install any software you want and configure your instances as you please, but you must ensure that they work correctly, are properly secured, are resistant to faults, and do not violate Amazon’s acceptable use provisions.
In this chapter we discuss the key features of EC2 instances, as well as the issues you will have to address if you wish to run applications reliably in the EC2 environment. We will discuss how you can customize an instance and permanently save the result as an Amazon Machine Image (AMI), as well as how you can create your own AMIs from scratch to maintain complete control over the content of your images.
This chapter deals with advanced topics, and readers will need to have an in-depth knowledge of Linux systems, or a keen desire to acquire this knowledge, to obtain the full benefit of these powerful EC2 mechanisms.[2] Readers who merely want to get an idea of what is possible, or who have basic requirements, need not feel discouraged; we will take things slowly to start with and progress from simpler examples to more complex ones.
EC2 Instances in Detail
Linux Kernel
EC2 instances are based on a Xen-compatible Linux kernel compiled with the GNU C Compiler (GCC) version 4.0. The kernel version used in this book was 2.6.16. Unlike standard Linux machines, it is not possible in EC2 to ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.