catci的安装
环境说明：操作系统：CentOS6.5_x86_64
mysql：5.17
cacti版本：cacti-0.8.8a
NET-SNMP版本:5.5
cacti:cacti-0.8.8c.tar.gz
1.安装以下组件或服务,使其开机启动
yum install httpd php php-mysql php-snmpmysql mysql-server net-snmp net-snmp-utils php-gd vixie-cron
yum install rrdtool --nogpgcheck
httpd:apache服务,提供web服务
php:php模块,支持动态网页
mysql:mysql服务,存储模板,用户等相关信息。
net-snmp:snmp服务,用来抓取被监控机的数据
rrdtool:存储数据
设置以下服务为开机启动
chkconfig mysqld on
chkconfig snmpd on
chkconfig httpd on
2.配置(apache配置,apache和php关联)
apache 的配置文件
/etc/httpd/conf/httpd.conf
DocumentRoot "/var/www/html"#找到数据目录
关联php模块
修改DirectoryIndex index.html 为DirectoryIndexindex.html index.php
并添加AddType application/x-httpd-php .php
测试php和apache关联是否成功关联
创建测试php页面test.php，并存放在网站主目录下，
<?php
phpinfo();
?>
在浏览器中输出http://ip/test.php 如果没有报错就表示关联成功
apache和php关联参考
http://blog.iyunv.com/yincg/article/details/8782364
3.安装cacti
官网下载:wget http://www.cacti.net/downloads/cacti-0.8.8c.tar.gz
解压之后复制文件,目录到apache 根目录
mkdir /var/www/html/cacti
cd /home/software/cacti-0.8.8c
cp -rf*/var/www/html/cacti/
创建数据库：
mysql> create database cacti defaultcharacter set utf8;
导入数据cacti数据：
mysql> mysql-uroot -ptest@123 cacti </var/www/html/cacti/cacti.sql
mysql> GRANT ALL ON cacti.* TOcacti@localhost IDENTIFIED BY 'cacti';
mysql> flush privileges;
修改配置文件：
vi/var/www/html/cacti/include/config.php
$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cacti";
$database_password = "cacti";
$database_port = "3306";
/var/www/html/cacti/include/global.php
$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cacti";
$database_password = "cacti";
$database_port = "3306";
useradd cacti:添加cacti 用户
添加权限:
cd /var/www/html/cacti
chown -R cacti rra/ log/
4.配置snmp使可以监控本机(被监控机上安装)
yum -y install net-snmp net-snmp-utils
编辑snmp配置文件/etc/snmp/snmp.conf
修改：
com2sec notConfigUserdefault public
改为：
com2sec notConfigUser监控主机的ip public
修改：
access notConfigGroup "" any noauth exact systemview none none
改为：
access notConfigGroup "" any noauth exact all none none
去掉这句的注释
#view all included.1 80
重启snmp服务并测试
service snmpd restart
5.安装spine:提升监控效率
http://www.cacti.net/downloads/spine/
#tar xf cacti-spine-0.8.8a.tar.gz
# cd cacti-spine-0.8.8a
#./configure --prefix=/usr/local/cacti-spine
configure: error: Cannot find SNMPheaders.Use --with-snmp= to specifynon-default path.
#yum -y net-snmp-devel
#./configure--prefix=/usr/local/cacti-spine
在安装cacti-spine过程中，configure编译时出现如下错误提示：
configure: error: Cannot find MySQLheaders.Use --with-mysql= to specifynon-default path.
原来是找不到mysql头，原来是mysql-devel没有安装，于是先安装mysq-devel:
#yum -y mysq-devel
如果出现无法注册X86-64错误，升级gcc
#yum -y gcc
#Make && make install
#cd /usr/local/cacti-spine/etc/
#cp spine.conf.dist spine.conf
#vim spine.conf
DB_Host localhost
DB_Database cacti
DB_User cacti
DB_Pass cacti
DB_Port 3306
DB_PreG 0
#/usr/local/cacti-spine/bin/spine --conf=/usr/local/cacti-spine/etc/spine.conf 测试spine安装是否正确，输出下面信息表示安装成功
6.cacti故障排查：
检测被监控端是否可以与监控机通信。
snmpwalk -c public -v 2c 监控主机ipIF-MIB::ifHCInOctets
snmpwalk -v 2c -c public 监控主机ip if
检查rrd文件是否问nan：
rrdtool fetch fxd-mdl11_traffic_in_365.rrdAVERAGE
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