Book Image

Proxmox Cookbook

By : Wasim Ahmed, Ravi K Jangid
Book Image

Proxmox Cookbook

By: Wasim Ahmed, Ravi K Jangid

Overview of this book

Proxmox VE's intuitive interface, high availability, and unique central management system puts it on par with the world’s best virtualization platforms. Its simplicity and high quality of service is what makes it the foremost choice for most system administrators. Starting with a step-by-step installation of Proxmox nodes along with an illustrated tour of Proxmox graphical user interface where you will spend most of your time managing a cluster, this book will get you up and running with the mechanisms of Proxmox VE. Various entities such as Cluster, Storage, and Firewall are also covered in an easy to understand format. You will then explore various backup solutions and restore mechanisms, thus learning to keep your applications and servers safe. Next, you will see how to upgrade a Proxmox node with a new release and apply update patches through GUI or CLI. Monitoring resources and virtual machines is required on an enterprise level, to maintain performance and uptime; to achieve this, we learn how to monitor host machine resources and troubleshoot common issues in the setup. Finally, we will walk through some advanced configurations for VM followed by a list of commands used for Proxmox and Ceph cluster through CLI. With this focused and detailed guide you will learn to work your way around with Proxmox VE quickly and add to your skillset.
Table of Contents (18 chapters)
Proxmox Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Updating after a change in subscription


In this section, we will see how to update a node if the subscription level of the node changes at any time.

Getting ready

The Proxmox subscription level for a node can be changed at any time by simply applying a subscription key through a GUI. Different subscription levels have different natures of package updates. If a node starts with no subscription, it can always be changed to any paid subscription at any given time. After the subscription level changes, it is important to update the node accordingly so that the updates related to the subscription level can be applied.

How to do it…

The following steps show you how to update if there is a subscription level change for a node:

  1. Log in to the Proxmox GUI and apply a subscription key through the Subscription tabbed menu.

  2. Log in to the console through SSH or an open shell in the node through the GUI.

  3. Edit the repository file in /etc/apt/sources.list and /etc/apt/sources.list.d/pve-enterprise.list based on...