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实时监控grafana安装1.架构如图2.准备工作yuminstallmysqlmysql-serverhttpdperl-develepel-releaseservicemysqldstart3.客户端安装collectd说明：由于YUM安装的COLLECTD的版本较低。必须源码安装COLLECTD源码安装的COLLECTD支持WRITE-GRAPHITE插件。在所有的监控主机安装COLLECTDwget修改COLLECTD配置文件[/etc/collectd.conf]Hostname'当前监控主机名称'LoadPluginnetworkPluginnetworkServer接收数据或代理的服务器地址25826Interfaceeth0/Server/Plugin#修改代理COLLECTD的配置文件Hostname'当前监控主机名称'LoadPluginnetworkLoadPluginwrite_graphite加载监控插件，network、write_graphite这两个是必须的。PluginnetworkListen172.32.1.1125826#做为代理的COLLECTD服务器地址Interfaceeth0/ListenPluginwrite_graphite#把接受到的监控数据写入graphiteNodetestHost127.0.0.1#graphite地址Port2003ProtocoltcpLogSendErrorstruePrefixcollectd#命名前缀PostfixcollectdStoreRatestrueAlwaysAppendDSfalseEscapeCharacter_/Node/Plugin添加自启动脚本cpcollectd-5.5/contrib/redhat/init.d-collectd/etc/init.d/collectdchkconfigcollectdonservicecollectdstart4.数据库初始#连接数据库mysql-uroot-p#执行如下SQLcreatedatabasegraphite;GRANTALLPRIVILEGESONgraphite.*TO'graphite'@'localhost'IDENTIFIEDBY'密码';FLUSHPRIVILEGES;5.安装graphiteyuminstallpython-carbonpython-whisperMySql-pythongraphite-web#启动carbonservicecarbon-cachestart#修改graphite-web配置[/etc/graphite-web/local_settings.py]DATABASES={'default':{'NAME':'graphite',#数据库名称，在MYSQL里创建的名称'ENGINE':'django.db.backends.mysql',#默认使用MYSQL'USER':'graphite',#连接数据库的用户名'PASSWORD':'duanbai',#连接数据库的密码'HOST':'localhost',#数据库主机地址'PORT':'3306'#数据库主机端口}}#修改配置后要进行同步数据库结构/usr/lib/python2.6/site-packages/graphite/manage.pysyncdb6.apache配置[/etc/httpd/conf/httpd.conf]VirtualHost*:5902ServerNamegraphite-webDocumentRoot/usr/share/graphite/webappErrorLog/var/log/httpd/graphite-web-error.logCustomLog/var/log/httpd/graphite-web-access.logcommonAlias/media//usr/lib/python2.6/site-packages/django/contrib/admin/media/WSGIScriptAlias//usr/share/graphite/graphite-web.wsgiWSGIImportScript/usr/share/graphite/graphite-web.wsgiprocess-group=%{GLOBAL}application-group=%{GLOBAL}Location/content/SetHandlerNone/LocationLocation/media/SetHandlerNone/Location/VirtualHost7.安装grafanawget配置说明[/etc/grafana/grafana.conf][security]admin_user=admingrafana的管理用户名admin_password=admingrafana的管理用户密码Grafana初始设置添加数据源如图