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= 1. Introduction =
Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids.

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= 2. Installation =
== 2.1 Install ganglia ==
{{{
$ sudo su
$ aptitude install librrd2-dev rrdtool

( download form http://ganglia.sourceforge.net )
$ tar zxvf ganglia-3.0.7.tar.gz
$ cd ganglia/
$ ./configure --with-gmeatd; make ; make install

[Config startup script]
$ cp gmetad/gmetad.init /etc/init.d/gmetad
$ cp gmond/gmond.init /etc/init.d/gmond
$ sudo update-rc.d gmond defaults
$ sudo update-rc.d gmetad defaults

[Generate config File]
$ gmond -t > /etc/gmond.conf
$ cp gmetad/gmetad.conf /etc/gmetad.conf
$ vim /etc/gmond.conf
$ vim /etc/gmetad.conf

[Create rrdtool directory]
$ mkdir /var/lib/ganglia/rrds -p
$ chown -R nobody /var/lib/ganglia/rrds

$ gmond 
$ ps -aux | grep gmond
$ telent localhost 8649

$ gmetad
$ telent localhost 8651
}}}

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== 2.2 Install Apache ==
{{{
$ aptitude install php5-gd apache2 libapache2-mod-php5 php5
$ cd ganglia-3.0.7
$ cp -r web/ /var/www/ganalia
}}}

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= 3. Test ganglia =
 * http://localhost/ganglia
[[Image(ganglia_gpfs1.png)]]
[[Image(ganglia_gpfs2.png)]]

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= 4. Reference =
 * http://ganglia.sourceforge.net/
 * http://wiki.freaks-unidos.net/ganglia-quickstart 
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= 5. Problem =
 * route problem
{{{
 $ route add -host 239.2.11.71 dev eth2  <-- ganglia default broadcast
}}}

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