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

Understanding OpenVZ user bean counters


User Bean Counters (UBC) is the vital component of OpenVZ containers. These counters are set to a limit, which controls how resources are distributed among containers to guarantee proper container operations. For most containers, these limit values can be left as default. In some cases, changing the values may be necessary depending on the load of the container. The Proxmox GUI can only show the values. Any changes needs to be made through a CLI.

How to do it…

The following steps shows how to view the runtime values of a container through the Proxmox GUI:

  1. Log in to the Proxmox GUI.

  2. Select a container from the left navigation pane, then click on the UBC tabbed menu. If the container is not running, the UBC display will not show any values at all. Otherwise, it will show the counter values, as shown in the following screenshot:

The following steps show how to change a limit for a UBC container through a CLI:

  1. Log in through a console or SSH into the Proxmox...