Book Image

Mastering Proxmox - Third Edition

By : Wasim Ahmed
Book Image

Mastering Proxmox - Third Edition

By: Wasim Ahmed

Overview of this book

Proxmox is an open source server virtualization solution that has enterprise-class features for managing virtual machines, for storage, and to virtualize both Linux and Windows application workloads. You'll begin with a refresher on the advanced installation features and the Proxmox GUI to familiarize yourself with the Proxmox VE hypervisor. Then, you'll move on to explore Proxmox under the hood, focusing on storage systems, such as Ceph, used with Proxmox. Moving on, you'll learn to manage KVM virtual machines, deploy Linux containers fast, and see how networking is handled in Proxmox. You'll also learn how to protect a cluster or a VM with a firewall and explore the new high availability features introduced in Proxmox VE 5.0. Next, you'll dive deeper into the backup/restore strategy and see how to properly update and upgrade a Proxmox node. Later, you'll learn how to monitor a Proxmox cluster and all of its components using Zabbix. Finally, you'll discover how to recover Promox from disaster strikes through some real-world examples. By the end of the book, you'll be an expert at making Proxmox work in production environments with minimal downtime.
Table of Contents (23 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Introducing Proxmox updates


Proxmox updates keep a node up to date with the latest stable packages, patch security vulnerabilities, and introduce new features. Each node checks for the latest updates and alerts administrators through emails if there are any available updates. It is vital to keep all Proxmox nodes up to date, especially when security patches are released. Proxmox developers are very prompt in closing vulnerabilities through updates in a timely manner.

The number and nature of updates vary depending on your Proxmox subscription level. For example, a Proxmox free version without a subscription receives the most up-to-date stable updates, while a node with a subscription receives updates that are not so cutting edge and go through an additional layer of testing. Delaying the new package releases for subscription levels creates a buffer to address any issues that may not have been identified during the initial release.

This is not to say that a node without a subscription is not...