Head node as compute node.

For smaller clusters, some admins may wish to use the head node (OSCAR server) as a compute node too. This is not recommended for larger clusters.

Run batch system client (pbs_mom) on head node

Server log level

Each level includes those before it. Select one:

1 - Error Events
2 - Batch System/Server Events
4 - Administration Events
8 - Job Events
16 - Job Resource Usage
32 - Security Violations
64 - Scheduler Calls (recommended, default)
128 - Debug Messages
256 - Extra Debug Messages
511 - Everything On