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Warewulf is a operating system management toolkit designed to facilitate large scale deployments of homogeneous and heterogeneous systems on physical, virtual and cloud based infrastructures.

Originally, the Warewulf project pioneered the concept of stateless computing in HPC, setting the standard for large-scale cluster provisioning. It provided two functions, provisioning and monitoring but the two functions did not communicate within Warewulf itself, nor was it possible to hook other functions directly into Warewulf itself.

Today, Warewulf is more then just a basic provisioning and monitoring solution as it now implements an abstract, object-oriented data store and a modular interface which facilitates a highly extensible, customizable feature set. Current and planned modules include monitoring (operating system, services, filesystems, etc.), provisioning, power management, user management, configuration management, event/trigger handling and notification, scheduler integration, cloud services (both local and remote), etc.

This project is licensed under an Open Source (BSD-like) license, is developed by the US Department of Energy, and supporters/contributors from numerous national labs, universities, and hardware vendors.

Project Goals

  • Balance: Warewulf is designed to balance the extensibility with simplicity!
  • Value: Providing administrators, engineers, scientists, and service providers with a scalable systems management platform that is able to add value and facilitate their requirements rather then get in their way
  • Extensible: Create a framework that is easy to add or change functionality
  • Scalable: Support hundreds of thousands of nodes across multiple facilities
  • Lightweight: Be hidden from the operating system rather then an integral component
  • Easy: To be able to install, and run with minimal documentation necessary to get started (but having documentation available to understand the core internals)
  • Open: All development activities, goals, and milestones are publicly available and open (open SCM, initiatives, status, tickets, Email lists, etc.)
  • Support: Working with other organizations, commercial vendors, and service providers to meet their needs and encourage them join in and be part of the project


Warewulf is currently under development. Presently we have the core functionality mostly done, and are working on some of the modules to implement monitoring, provisioning, config management, user access, and scheduler integration.

The release will happen in stages. The core will be released with several basic modules within the next few months. Before hand we will be doing an alpha and beta test release starting at the end of May. Until then checkouts from our subversion repository is encouraged.


Presently the only downloads are from our Source Code Management (SCM) system, but follow our milestones to see the dates for the Alpha, Beta and 1.0 releases.


Package Repository

Once we get a reasonable amount of functionality, we will be making Warewulf available within a package repository specifically for Red Hat Enterprise Linux and derivatives. Eventually we will enhance this repository to also include various commonly used scientific, cloud and utility packages.


We use Google Groups for general communication. Please see the following groups:


People that wish to join in the development or gain access to the source code should do a checkout of our Subversion repository:

   $ svn co https://warewulf.lbl.gov/svn warewulf

If you wish to gain commit access, please join and email our development group (link above), and request access. One of the project admins will contact you directly from that.