First of all you should make sure that your node has a [http://en.wikipedia.org/wiki/Serial_port serial port]. If there is no such port then

Then you need to find a second node machine with a serial port on it.This node machine will be used to collect logs from your primary machine. Further you need to acquireso-called [http://en.wikipedia.org/wiki/Serial_cable null modem cable (a.k.a. serial cable)] and it must be long enough to connect these two machines.