An SSH cluster running on Clear Linux

This app starts an Clear linux cluster (or single node) where passwordless communication is enabled accross all hosts.

Cluster access

You can access the head node in any of the following ways:

• Terminal Access: ssh (including x forwarding)
• Virtual desktop (tigervnc)
• File Transfer: sftp

Ocean environment variables

1. OCEAN_HOSTS contains a comma separated list of the hostnames for all the nodes in the pool.
2. OCEAN_WORKERS contains a comma separated list of the hostnames for all worker nodes in the pool.
3. OCEAN_HEAD contains the hostnames of the head node.

For example, to execute the command hostname on all nodes you can run

pdsh -w $OCEAN_HOSTS hostname