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Resource John (Brightworks) recommends (4/24/15), which Oliver found a much more readable version here:

• http://aulacero21www.xtrwebaptalaska.comnet/wordpress/wp-content/uploads/2013/12/IPTablesFlowChart.jpg~jclive/IPTablesFlowChart.pdf

• Local cached copy:
  

  View file
  name IPTablesFlowChart.pdf height 250

Basic Linux commands

• exit (exit session)
• top (activity, live)
• q, or qq (list nodes and their status; reverset)
• pestat (node listing of every node with lots of info)
• psbnodes -ln (list of down nodes)
• qstatus -f (status of nodes, with details. Just nodes with queued jobs?)
• ifconfig (show network info)

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