[Beowulf] Fundamental HPC cluster problem

Lawrence Stewart stewart at serissa.com
Mon Jul 20 18:28:52 PDT 2015

You might also configure a laptop with static IP or something
and plug it into the RPi network and see if you can ping

… first make sure the networking is actually working before debugging the

I’ve never understood how the eth* numbers get assigned, so I am always
a little suspicious that I’ve got the right one.

You can also use ethtool (if you have it) to tell  you the link status
of the interface.  ifconfig just tells  you how it is supposed to be, not 
how it is.


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