Cacti服务器监控的安装及配置
1、安装rrdtool[*]#yum install rrdtool
2、安装net-snmp
[*]#yum install net-snmp net-snmp-devel net-snmp-libs net-snmp-utils
3、配置net-snmp
[*]#vim /etc/snmp/snmpd.conf
找到(41行)，把default修改为需要主监控IP，这里修改为127.0.0.1：
[*]com2sec notConfigUserdefault public
修改为：
[*]com2sec notConfigUser127.0.0.1 public
找到(52行)：
[*]accessnotConfigGroup "" any noauth exactsystemview none none
修改为：
[*]accessnotConfigGroup "" any noauth exactall none none
找到并去除最前面的“#”号(85行)：
[*]#view all included.1 80
启动服务并设置开机自动启动
[*]#service snmpd start
[*]#chkconfig snmpd on
测试net-snmp
[*]#snmpwalk -v2c -c public 127.0.0.1 .1.3.6.1.4.1.2021.10.1.5.1
[*]UCD-SNMP-MIB::laLoadInt.1 = INTEGER: 1
4、Cacti安装及配置
1)、解压cacti到一个web目录
[*]#tar xzf cacti-0.8.8a.tar.gz
[*]#mv cacti-0.8.8a /data/wwwroot/cacti.xxx.com
2)、创建数据库并导入数据
[*]>create database cacti;
[*]>use cacti;
[*]>source /data/wwwroot/cacti.xxx.com/cacti.sql;
[*]>grant all on cacti.* to cacti@'127.0.0.1' identified by 'password';
3)、修改Cacti配置文件
[*]#cd /data/rsync/data/wwwroot/cacti.xxx.com/
[*]#vim include/config.php
修改数据库配置为上面的设置：
[*]$database_type = "mysql";
[*]$database_default = "cacti";
[*]$database_hostname = "localhost";
[*]$database_username = "cacti";
[*]$database_password = "Jyw8!k;j>mOdq=Cucap-G%5Tsaaxax1V";
[*]$database_port = "3306";
[*]$database_ssl = false;
[*]$url_path = "/";
3)、初始化Cacti
[*]#groupadd -g 2000 cacti
[*]#useradd -u 2000 -g cacti -d /data/cacti -M cacti
[*]#chown cacti:cacti /data/rsync/data/wwwroot/cacti.xxx.com/ -R
WEB打开http://cacti.xxx.com/install/进行安装Cacti
[*]#su - cacti
[*]#env LANG=C /usr/local/php-5.3.xx/bin/php /data/rsync/data/wwwroot/cacti.xxx.com/poller.php
4)、计划任务
[*]* * * * * root env LANG=C /usr/local/php-5.3.xx/bin/php /data/rsync/data/wwwroot/cacti.xxx.com/poller.php >> /data/logs/cacti.log 2>&1
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