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一、ganglia基本介绍ganglia是分布式的监控系统,有两个Daemon,分别是:客户端GangliaMonitoring Daemon (gmond)和服务端GangliaMeta Daemon (gmetad),还有GangliaPHP WebFrontend(基于web的动态访问方式)组成是一个Linux下图形化监控系统运行性能的软件,界面美观、丰富,功能强大而ganglia又依赖于一个web服务器用来显示集群状态，用rrdtool来存储数据和生成曲线图，需要xml解析因此需要expat，配置文件解析需要libconfuse。Ganglia是一个监控服务器，集群的开源软件，能够用曲线图表现最近一个小时，最近一天，最近一周，最近一月，最近一年的服务器或者集群的cpu负载,内存,网络,硬盘等指标。Ganglia的强大在于：ganglia服务端能够通过一台客户端收集到同一个网段的所有客户端的数据，ganglia集群服务端能够通过一台服务端收集到它下属的所有客户端数据。这个体系设计表示一台服务器能够通过不同的分层能够管理上万台机器。这个功能是其他mrtg,nagios,cacti所不能比拟。二、下载及安装ganglia-3.6.0.tar.gz下载地址http://down.51cto.com/data/1112626[root@ws ~]# cat /etc/issueCentOS release 6.5 (Final)Kernel on an m[root@ws ~]# uname -aLinux ws.zdqy.com 2.6.32-431.5.1.el6.i686 #1 SMP Tue Feb 11 21:56:33 UTC 2014 i686 i686 i386 GNU/Linux[root@ws tmp]# tar xf ganglia-3.6.0.tar.gz[root@ws ~]# yum -y install apr-devel apr-util check-devel cairo-develpango-devel libxml2-devel rpm-build glib2-devel dbus-develfreetype-devel fontconfig-devel gcc gcc-c++ expat-devel python-devellibXrender-devel[root@ws ganglia-3.6.0]# rpm -ivh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpmRetrieving http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpmwarning: /var/tmp/rpm-tmp.ULcPJf: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEYPreparing... ########################################### [100%]1:epel-release ########################################### [100%][root@ws ganglia-3.6.0]# yum clean all[root@ws ganglia-3.6.0]# yum install libconfuse* -yInstalling:libconfuse i686 2.7-4.el6 epel 79 klibconfuse-devel i686 2.7-4.el6 epel 17 k[root@ws ~]# yum install libart_lgpl-devel pcre-devel libtool -y[root@ws softs]# rpmbuild -tb ganglia-3.6.0.tar.gzChecking for unpackaged file(s): /usr/lib/rpm/check-files /root/rpmbuild/BUILDROOT/ganglia-3.6.0-1.i386Wrote: /root/rpmbuild/RPMS/i386/ganglia-gmetad-3.6.0-1.i386.rpmWrote: /root/rpmbuild/RPMS/i386/ganglia-gmond-3.6.0-1.i386.rpmWrote: /root/rpmbuild/RPMS/i386/ganglia-gmond-modules-python-3.6.0-1.i386.rpmWrote: /root/rpmbuild/RPMS/i386/ganglia-devel-3.6.0-1.i386.rpmWrote: /root/rpmbuild/RPMS/i386/libganglia-3.6.0-1.i386.rpmExecuting(%clean): /bin/sh -e /var/tmp/rpm-tmp.zQCFRZ+ umask 022+ cd /root/rpmbuild/BUILD+ cd ganglia-3.6.0+ /bin/rm -rf /root/rpmbuild/BUILDROOT/ganglia-3.6.0-1.i386+ exit 0[root@ws softs]# cd /root/rpmbuild/RPMS/[root@ws RPMS]# lsi386[root@ws RPMS]# cd i386/[root@ws i386]# lsganglia-devel-3.6.0-1.i386.rpmganglia-gmetad-3.6.0-1.i386.rpmganglia-gmond-3.6.0-1.i386.rpmganglia-gmond-modules-python-3.6.0-1.i386.rpmlibganglia-3.6.0-1.i386.rpm[root@ws i386]# rpm -ivh *Preparing... ########################################### [100%]1:libganglia ########################################### [ 20%]2:ganglia-gmond ########################################### [ 40%]3:ganglia-devel ########################################### [ 60%]4:ganglia-gmond-modules-p ########################################### [ 80%]5:ganglia-gmetad ########################################### [100%][root@ws ganglia]# yum install httpd -y[root@ws conf]# /etc/init.d/gmond startStarting GANGLIA gmond: [ OK ][root@ws conf]# /etc/init.d/gmetad startStarting GANGLIA gmetad: [ OK ][root@ws softs]# wget http://ftp.jaist.ac.jp/pub/sourceforge/g/ga/ganglia/ganglia-web/3.5.12/ganglia-web-3.5.12.tar.gz[root@ws softs]# tar xf ganglia-web-3.5.12.tar.gz -C /var/www/html/[root@ws html]# mv ganglia-web-3.5.12.tar.gz /softs/[root@ws html]# mv ganglia-web-3.5.12 ganglia三、调试访问页面http://192.168.0.104/ganglia/index.php发现报错是因为相应的目录没有建，而且权限不对建立相应的目录，将目录权限改为777mkdir -p /var/www/html/ganglia/dwoo/compiledmkdir -p /var/www/html/ganglia/dwoo/cachechmod 777 /var/www/html/ganglia/dwoo/compiledchmod 777 /var/www/html/ganglia/dwoo/cache[root@ws ganglia-web]# find . -type d../cache./conf./dwoo./dwoo/cache./dwoo/compiled./dwoo/compiled/templates./dwoo/compiled/templates/default[root@ws ganglia-web]# pwd/var/lib/ganglia-web然后重启httpd，重新访问这是ganglia本机的一些监控信息下面还需要对被监控主机进行配置。[root@localhost yum.repos.d]# rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm[root@localhost yum.repos.d]# yum install ganglia-gmond[root@ws softs]# rpmbuild -tb ganglia-3.6.0.tar.gzerror: Failed build dependencies:libpng-devel is needed by ganglia-3.6.0-1.i386python-devel is needed by ganglia-3.6.0-1.i386解决方法[root@ws ~]# yum install libpng-devel python-devel -yFatal error:Errors were detected in your configuration.Unable to create overlay events file: /var/lib/ganglia-web/conf/events.jsonUnable to create event color map file: /var/lib/ganglia-web/conf/event_color.jsonDWOO compiled templates directory '/var/lib/ganglia-web/dwoo/compiled' is not writeable.Please adjust $conf['dwoo_compiled_dir'].DWOO cache directory '/var/lib/ganglia-web/dwoo/cache' is not writeable.Please adjust $conf['dwoo_cache_dir']. in /var/www/html/ganglia/eval_conf.php on line 126
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