September 2018
Beginner to intermediate
174 pages
3h 27m
English
Content preview from Designing AWS Environments
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Elastic IP addresses
A public IP is given to an instance when you launch or start it, but an Elastic IP is independent of the instance lifecycle.
You can, at any time, ask for an Elastic IP address. It is given to your account, not a specific instance. One of the great things about an Elastic IP is that you can associate it with an instance that already exists, even if it is already running. And if you stop the instance, it does not become dissociated from the instance. So, you can freely stop and start EC2 instances with Elastic IPs, and they will retain the same public address. By default, you can request up to five Elastic IPs per region. If this isn't enough, you can request more by contacting AWS support. One Elastic IP is free per instance. ...
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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.