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The Capital letters show the character that you use for each action. For example,
to show current memory statistics, you use 'M'.

Ganglia and Nagios

http://www.slac.stanford.edu/comp/unix/ganglia/^{Image Added}

click on "SCCS Batch machines"
which is http://ganglia02.slac.stanford.edu:8080/ganglia/batch/^{Image Added}

Then on the "batch >" pull down menu, choose "suncat"
which will send you to this URL http://ganglia02.slac.stanford.edu:8080/ganglia/batch/?r=hour&s=descending&c=suncat^{Image Added}

And on that page, you can select many different graphs and timeframes.

Nagios monitoring/notification is not set up yet, but Yemi will be setting it up for you.
Nagios is good for notification (eg, emails when machines lose ssh/ping, or lose any arbitrary
service you wish to monitor).

You can see what the nagois page for the hequ cluster looks like: http://nagios/nagios/cgi-bin/status.cgi?hostgroup=hequ%20cluster&style=summary^{Image Added}

The main nagios page is http://nagios.slac.stanford.edu/^{Image Added}