November 2017
Intermediate to advanced
494 pages
14h 29m
English
Content preview from Mastering Proxmox - Third Edition
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Snapshots
Snapshots freeze or capture the state of a virtual machine at a point in time. This is not a full backup of a VM, since the snapshots are fully dependent on the original VM. We cannot move snapshots elsewhere for safekeeping. Snapshots are used to roll back to a previous state. Since snapshots do not back up the entire virtual machine with disk images, they are the fastest backup option to quickly save the state of the VM. In Proxmox, we can take snapshots of a running VM; in which case, the content of the running memory also gets saved. This way, we can revert to the earlier VM exactly as it was running when a snapshot was taken.
A good use case of this backup is when testing software or applying updates. We can take snapshots ...
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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.