In this article, I want to discuss the one I have been using for a long time: Warewulf. It pioneered many of the stateless methods that other tools use today and is considered the standard stateless open source toolkit for clustering. It is primarily a stateless cluster provisioning and management tool that can also be installed as a stateful tool (i.e., installed onto disks in the compute nodes). It is simple, automates the process, and is very scalable. In this four-part series on using Warewulf in production clusters, I’ll start by discussing how to install Warewulf on a master node and statelessly boot compute nodes.
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