November 2016
Intermediate to advanced
378 pages
8h 37m
English
Content preview from Docker Networking CookbookBecome 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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Verifying name resolution
DNS resolution for containers has always been rather straightforward. The container received the same DNS configuration as the host. However, with the advent of user-defined networks and the embedded DNS server, this has now become a little trickier. A common problem in many of the DNS issues I've seen is not understanding how the embedded DNS server works and how to validate that it's working correctly. In this recipe, we'll step through a container DNS configuration to validate which DNS server it is using to resolve specific namespaces.
Getting ready
In this recipe, we'll be using a single Docker host. It is assumed that Docker is installed and in its default configuration. You'll also need root-level access in order ...
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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.