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<div id="header">
<h1>Configuring screen to display multiple dstat for different systems</h1>
</div>
<div id="content">
<div id="preamble">
<div class="sectionbody">
<div class="paragraph"><p>Here is an example of how I monitor 5 nodes in a cluster with a minimum
of effort using screen:</p></div>
<div class="paragraph"><p>Put the following content in a file called screenrc-5nodes:</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>startup_message off
defwrap off
split
split
split
split
screen -t node01 1 ssh -t 172.17.0.211 'dstat -cdnyp --tcp --udp -l -D lores,hires -N bond0,eth0,eth2,eth3 10'
focus down
screen -t node02 2 ssh -t 172.17.0.212 'dstat -cdnyp --tcp --udp -l -D lores,hires -N bond0,eth0,eth2,eth3 10'
focus down
screen -t node03 3 ssh -t 172.17.0.213 'dstat -cdnyp --tcp --udp -l -D lores,hires -N bond0,eth0,eth2,eth3 10'
focus down
screen -t node04 4 ssh -t 172.17.0.214 'dstat -cdnyp --tcp --udp -l -D lores,hires -N bond0,eth0,eth2,eth3 10'
focus down
screen -t node05 5 ssh -t 172.17.0.215 'dstat -cdnyp --tcp --udp -l -D lores,hires -N bond0,eth0,eth2,eth3 10'</tt></pre>
</div></div>
<div class="paragraph"><p>Then set the environment variable to tell screen to use this config-file
for the next screen.</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>SCREENRC='screenrc-5nodes' screen</tt></pre>
</div></div>
<div class="paragraph"><p>If you want to get out of this screen and end all dstats, the easiest way
is to kill first all regions and then end each dstat. You can do this by:</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>ctrl-a X</tt></pre>
</div></div>
<div class="paragraph"><p>Do that 5 times, and then quit each dstat by pressing:</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>ctrl-c</tt></pre>
</div></div>
<div class="paragraph"><p>5 times.</p></div>
<div class="paragraph"><p>If you have other tips or hints, please send them to: &lt;<a href="mailto:dag@wieers.com">dag@wieers.com</a>&gt;</p></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">Please send me improvements to this document.</td>
</tr></table>
</div>
</div>
</div>
</div>
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Last updated 2010-02-11 13:58:16 CEST
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