November 2017
Intermediate to advanced
494 pages
14h 29m
English
Content preview from Mastering Proxmox - Third Edition
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Unprivileged container
Unprivileged containers are when the container is created and run as a user as opposed to root. This is the safest way to use a container because if the container security gets compromised and the intruder breaks out of the container, they will find themselves as a nobody user with extremely limited privileges. Unprivileged containers do not need to be owned by the user since they are run in user namespaces. This is a kernel feature that allows the mapping of the UID of a physical host into a namespace inside where a user with UID 0 can exist. Unprivileged containers can also be run as root. By assigning a specific UID and GID to root, we can create unprivileged containers throughout the system and run them as root ...
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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.
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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.