CACTI的安装与配置.doc

系统环境：Centos5.5，IP：目的：使用CACTI监控服务器带宽撰写人：litengxian日期：3/20/2020CACTI的安装一yum源的安装配置1备份原有yum源2 更新yum源3 定义yum非官方软件仓库二安装LAMP，snmp组件和cacti1安装软件包2 配置http3 配置php4 配置mysql5 配置snmp6 配置cacti7 配置cron三CACTI的web管理一yum源的安装配置1备份原有yum源把原有的CentOS-Base.repo改名为CentOS-Base.repo.bak#cd /etc/yum.repos.d/#mv CentOS-Base.repo CentOS-Base.repo.bak2 更新yum源为中国cengos镜像服务器，下载centos也可以到这个网站下#cd /etc/yum.repos.d#mv CentOS-Base.repo CentOS-Base.repo.save#wget /CentOS-Base.repo.5#mv CentOS-Base.repo.5 CentOS-Base.repo#yum y updateyum安装命令出错，执行命令修复：#rpm import /etc/pki/rpm-gpg/RPM-GPG-KEY*3 定义yum非官方软件仓库3.1编辑文件 #vi /etc/yum.repo.d/dag.repodagname=Dag RPM Repository for Red Hat Enterprise Linuxbaseurl=http:/apt.sw.be/redhat/el$releasever/en/$basearch/daggpgcheck=1enabled=13.2导入导入非官方库的GPG#rpm -import /rpm/packages/RPM-GPG-KEY.dag.txt如果失败,执行：#wget /rpm/packages/RPM-GPG-KEY.dag.txt#rpm import RPM-GPG-KEY.dag.txt二安装LAMP，snmp组件和cacti1安装软件包1.1 yum安装a.安装Apache ，php，mysql，以及php连接mysql库组件yum -y install httpd php mysql mysql-server php-mysqlb.安装Apache扩展yum -y install httpd-manual mod_ssl mode_perl mod_auth_mysqlc.安装mysql扩展yum -y install mysqlMyAdmin mysql-connector-odbc mysql-devel libdbi-dbd-mysqld.安装php扩展yum -y install php-gd php-xml php-mbstring php-ldap php-pear php-xmlrpce.安装snmp扩展yum y install php-snmp net-snm-utils net-snmp net-snmp-devel net-snmp-libsf,安装cactiyum y install cacti1.2设置为开机启动#chkconfig snmpd on#chkconfig httpd on#chkconfig mysqld onservice httpd startservice mysql startservice snmpd start2 配置http21站点目录为：/var/www/html，建一个php脚本，测试网站是否正常运行。2.2#vi /etc/httd/conf.d/phpMyAdmin.conf,修改对phpMyAdmin的访问权限，order allow,denyallow from all2.3#vi /etc/httpd/conf.d/cacti.conf，修改对cacti的web访问权限order allow,denyallow from all3 配置php3.1检查php安装了哪些模块#php m3.2cd /etc/php.d查看mysql.ini，启用extension=mysql.so查看snmp.in，启用extension=snmp.so3.3启用文件上传，并设置目录#vi/etc/php.inifile_uloads=on;session.save_path = /tmp;34phpMyAdminvi /usr/share/phpmyadmin/config.inc.phpvi /usr/share/phpmyadmin/libraries/config.default.php“$cfgblowfish_secret=111 任意字符4 配置mysql#service mysqld start#mysql -urootdelete from mysql.user where user=;set password for rootlocalhost=password();create database cactidb;grant all on cactidb.* to rootlocalhost;grant all on cactidb.* to cactilocalhost;set password for cactilocalhost=password(cactipw);select user,host,password from mysql.user;show databases;flush privileges;mysqlexit5 配置snmpvi /etc/snmp/snmpd.conf41行改为 com2sec notConfigUser localhost public 62行改为 access notConfigGroup any noauth exact all none none85行改为 view all included .1 80测试snmp是否运作，默认密码字段为public，可更改/etc/snmp/snmpd.conf 更你为你的密码字段 snmpwalk -v 2c -c public localhost system6 配置cacti#cd /var/www/cacti#mysql cactidb cacti.sql#vi include/config.php$database_default = cactidb; #27行$database_username = cacti; #29行$database_password = cactipw; 30行7 配置cacti-plugin(CactiEZ的目录为/var/www/html/)Cacti插件是对cacti的扩展。要使用cacti插件必须先扩展cacti架构，来支持插件。1.安装cacti插件架构扩展下载地址：/downloads/patches/cd cd /var/www/cactiwget /downloads/plugins/cacti-plugin-0.8.7g-PA-v2.8.tar.gztar zxvf cacti-plugin-0.8.7g-PA-v2.8.tar.gzcd cacti-plugin-arch mysql -uroot -p cacti pa.sqlpatch -p1 -N -dry-run cacti-plugin-0.8.7g-PA-v2.8.diff 测试patch -p1 -N cacti-plugin-0.8.7g-PA-v2.8.diff 安装补丁vi /var/www/cacti/include/global.php $configurl_path = /cacti/; 100行8 安装weaterhmap插件5）.Network Weathermap:这是一个比较复杂的cacti插件,需要较新的GD库支持。使用它可以画出漂亮的网络状况图。下载地址：/downloadcd /var/www/cacti/plugins/wget /files/php-weathermap-0.97a.zipunzip php-weathermap-0.97a.zipvi /var/www/cacti/include/config.php $plugins=weathermap;cd /var/www/cacti/plugins/weathermapcp editor-config.php-disteditor-config.phpvi editor-config.php$cacti_base = /var/www/ cacti;chown -R apache.apache /var/www/cacti/plugins/weathermapcd /var/www/cacti/plugins/weathermapvi editor.php ENABLED=true 第七行，否则点你Editors时，会报错检查：/cacti/plugins/weathermap/check.php9 安装Monitor插件Monitor插件下载地址：/downloads/cd /var/www/cacti/plugins/wget /downloads/monitor.tar.gzvi /var/www/cacti/include/config.php $plugins=monitor;tar zxvf monitor-0.8.2.tar.gz10 安装Threshold 插件下载地址：/wget /downloads/thold.tar.gztar zxvf thold-0.4.2.tar.gzcd tholdmysql cactidb /dev/null 2&1三CACTI的web管理参见：/s/articlelist_1312968225_1_1.htmlspine yum y install cacti-cactid终端下浏览网页 yum y instal w3m w3m v http:/锐捷交换机CPU、内存的 OID 值 CPU 占用率： .4.1.48.1.1.O 平均5秒 .4.1.48.1.2.O 平均1分 .4.1.48.1.3.O 平均5分 MEMORY 占用率： SYSMEM .4.1.48. Curren