cacti 安装插件
cacti 下载支持url地址：http://docs.cacti.net/monitor插件，提供更简略、直观的设备状态图示；监视器
thold插件，提供设备异常预警。阈值
syslog插件，提供cacti日志监控服务
settings：给不同的插件提供一些共用的信息，如邮件信息，dns信息
weathermap：绘制网络拓扑的插件，气象图
discover：的功能就是让cacit自动发现主机，自动加入主机，自动画图
monitor插件的安装
#tar zxvfmonitor-0.8.2.tar.gz
#mv monitor /usr/local/wwwroot/cacti/plugins/
点击console ->Plugin Management->在Actions处启用Monitor
进入"User Management"->点admin->Realm Permissions->勾选View Monitoring ，至此Monitor插件安装完成。
thold插件的安装
#tar zxvfthold-0.4.3.tar.gz
#mv thold /usr/local/wwwroot/cacti/plugins/
点击console ->Plugin Management->在Actions处启用thold
点击console ->Settings->Misc->Monitor->Grouping设置tree->View设置list，这时点击thold选项点击设备可以看到流量图
settings插件的安装
#tar zxvfdiscovery-0.8.5.tar.gz
#mv settings /usr/local/wwwroot/cacti/plugins/
点击console ->Plugin Management->在Actions处启用settings
discovery插件的安装
#tar zxvfdiscovery-0.8.5.tar.gz
#mv discovery /usr/local/wwwroot/cacti/plugins/
点击console ->Plugin Management->在Actions处启用discovery
进入"User Management"->点admin->Realm Permissions->勾选View Host Auto-Discovery ，至此discovery插件安装完成
weathermap插件的安装
#uzip php-weathermap-0.97a.zip
#mv weathermap /usr/local/wwwroot/cacti/plugins/
#chown -R apache.apache /usr/local/wwwroot/cacti/plugins/weathermap
对weathermap的配置文件进行修改
#cd /usr/local/wwwroot/cacti/plugins/weathermap
#chmod u+w config/
#cp editor-conifg.php-dist editor-config.php#vieditor-config.php
$cacti_base = "/usr/local/wwwroot/cacti";
$cacti_url = "http://222.186.43.15/cacti";
$mapdir= $cacti_base .' /plugins/weathermap/configs';
$ignore_cacti = FALSE;
将editor.php中的ENABLED=false修改为true，否则weathermap点击Editor时会报错
#cd /usr/local/wwwroot/cacti/plugins/weathermap
#vi editor.php
//$ENABLED=false;将false修改为true
$ENABLED=true；
点击console ->Plugin Management->在Actions处启用weathermap，至此weathermap插件安装完成。
syslog插件的安装
1.安装syslog-ng服务
#rpm -ivh syslog-ng-2.1.4-1.el5.i386.rpm
2.安装syslog插件
#tar zxvfsyslog-0.5.2.tar.gz
#mv syslog /usr/local/wwwroot/cacti/plugins/
点击console ->Plugin Management->在Actions处启用syslog
进入"User Management"->点admin->Realm Permissions->勾选View Syslog和
Configure Syslog Alerts / Reports
#mysql -uroot -p
mysql>create databasesyslog; 创建一个数据库供syslog使用mysql>usesyslog;
mysql>source /usr/local/wwwroot/cacti/plugins/syslog/syslog.sql 导入mysql数据库mysql>grant all on syslog.* to cacti@localhost> #cd /usr/local/wwwroot/cacti/plugins/syslog
#vi config.php
$syslogdb_type = 'mysql';
$syslogdb_default= 'syslog';
$syslogdb_hostname = 'localhost';
$syslogdb_username = 'cacti';
$syslogdb_password = 'cacti';
#vi /etc/syslog-ng/syslog-ng.conf 在最后末尾添加如下：
source net {
udp();
};
destination d_mysql {
pipe("/tmp/mysql.pipe"
template("INSERT INTO syslog_incoming (host, facility, priority, date, time, message) VALUES ( '$HOST', '$FACILITY', '$PRIORITY', '$YEAR-$MONTH-$DAY', '$HOUR:$MIN:$SEC', '$MSG' );\n")
template-escape(yes)
);
};
log { source(net); destination(d_mysql); };
log { source(s_sys); destination(d_mysql); };
完成之后，执行
#service syslog restart
#service syslog-ng restart
在syslog插件目录下，编辑一个新的sh文件/plugins/syslog/syslog2mysql.sh，并且赋予可执行权限（同时该目录下
syslog_process.php也必须有可执行权限）：
#vi /usr/local/wwwroot/cacti/plugins/syslog/syslog2mysql.sh输入
#!/bin/bash
if [ ! -e /tmp/mysql.pipe ]
then
mkfifo /tmp/mysql.pipe
fi
while [ -e /tmp/mysql.pipe ]
do mysql -u root syslog < /tmp/mysql.pipe >/dev/null
done
运行syslog2mysql.sh，如果没有任何显示，后台有该进程，则基本上成功了。在/etc/crontab中添加：
@reboot /usr/local/wwwroot/cacti/plugins/syslog2mysql.sh
*/1 * * * * php /usr/local/wwwroot/cacti/plugins/syslog_process.php
使开机执行syslog2mysql.sh，每分钟执行一次syslog_process.php
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