需要先添加epel-release仓库：yum install -y epel-release
服务端：yum -y install rrdtool rrdtool-devel ganglia-web ganglia-gmetad ganglia-gmond ganglia-gmond-python httpd apr-devel zlib-devel libconfuse-devel expat-devel pcre-devel php-common php-cli php-gb php
客户端：yum -y install ganglia-gmond