July 2017
Intermediate to advanced
402 pages
9h 38m
English
Content preview from Effective DevOps with AWS
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Security group
Security groups work a bit like firewalls. All EC2 instances have a set of security groups assigned to them. Each security group contains rules to allow traffic to flow inbound (ingress) and/or outbound (egress).
For this exercise, we will create a small web application running on port tcp/3000. In addition, we want to be able to ssh into the instance, so we also need to allow inbound traffic to port tcp/22. We will create a simple security group to allow this, using the following steps:
- First, we need to find out our default Virtual Private Cloud (VPC) ID. Despite being in a cloud environment, where the physical resources are shared by all AWS customers, there is still a strong emphasis on security. AWS segmented their virtual ...
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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.