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

Introduction


The firewall feature in Proxmox VE provides an excellent means to strengthen security within a virtual environment. Proxmox firewall is built on a well-established Linux-based netfilter technology. Netfilter is based on a packet filtering framework, where network data packets are allowed or denied based on a set of defined rules. All the rules are defined as table structures in iptables.

Note

To learn more about netfilter, visit http://www.netfilter.org/.

The firewall feature in Proxmox is also a stateful firewall. A stateful firewall is not just a data packet filter, but it also keeps a constant track of the state of active network connections, such as TCP or UDP protocols. It is also known as dynamic packet filtering, which matches firewall rules with the nature of active connections, providing better protection than simply filtering packets.

Note

For information on stateful firewalls, visit https://en.wikipedia.org/wiki/Stateful_firewall.

The Proxmox firewall operates in a distributed...