参考：
http://twiki.ihep.ac.cn/twiki/bin/view/GangliaMonitoring/GangliaInstall
http://blog.52ak.cn/article.asp?id=4
http://hi.baidu.com/chenghui2050/blog/item/e6377e9519e72f017bf480b3.html
第一步：下载所需套件
1)ganglia-3.1.0.tar.gz
http://sourceforge.net/project/showfiles.php?group_id=43021&package_id=35280&release_id=616721
2)confuse-2.6
http://bzero.se/confuse/
3)expat-2.0.1.tar.gz
http://sourceforge.net/project/showfiles.php?group_id=10127
4)apr-1.3.2.tar.bz2与apr-util-1.3.2.tar.bz2
http://apr.apache.org/download.cgi
5)rrdtool-1.2.27.tar.gz
ftp://ftp.pucpr.br/rrdtool/rrdtool-1.2.27.tar.gz