April 2017
Intermediate to advanced
470 pages
11h 12m
English
Content preview from Mastering OpenStack - Second Edition
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Glance - Image registry
The Glance service provides a registry of images and metadata that the OpenStack user can launch as a virtual machine. Various image formats are supported and can be used based on the choice of hypervisor. Glance supports images for KVM/Qemu, XEN, VMware, Docker, and so on.
As a new user of OpenStack, one might often wonder, What is the difference between Glance and Swift? Both handle storage. What is the difference between them? Why do I need to integrate such a solution?
Swift is a storage system, whereas Glance is an image registry. The difference between the two is that Glance is a service that keeps track of virtual machine images and metadata associated with the images. Metadata can be information such as a kernel, ...
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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.