To set up a new Cluster node, you should follow these steps:

Network it

Do the standard steps to add new entries for a node (or block of nodes) to DHCP and DNS.

Also make sure the switches/routers/cables are set up right.

Install Ubuntu

The preferred method is to use Netboot, but a regular Ubuntu install stick works as well. If installing from an USB stick make sure your hostname matches the one specified in DNS/DHCP.

Setup SSH

See SSH Setup page to learn more on how to setup SSH for the clusters.

Run the Ansible play

First, make sure you add the node to an existing/new host group that has the cluster role. Then, you can just run ansible-playbook, sit back, kick your feet up, and wait for the install to finish.

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