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

Logging a firewall


In this recipe, we will see how to enable logging for the Proxmox firewall and display log entries.

Getting ready

Logging into the Proxmox firewall allows us to view the activities of data transmission in and out of clusters, nodes, and VMs. It is a very useful tool, not only for the Proxmox firewall, but also for any firewall to pinpoint the source and destination of traffic, and to verify that rules are working as expected. In Proxmox, we can set various levels of logging, depending on the requirements. The log option is only available for host and VM-specific firewall. There are no logging options for a datacenter or cluster-wide firewalls. Host-level logging will display all activities from all the VMs in a host. Logging for a VM only displays activities for a particular VM. Logging helps us to see not just what was denied, but also what traffic was allowed to pinpoint an intruder.

How to do it…

The following steps are used to enable logging for a node or host and a VM...