Gentoo下cacti插件安装
上篇：Cacti的基本操作http://chengchow.blog.运维网.com/blog/1642666/9528264、Cacti插件安装
monitor插件，提供更简略、直观的设备状态图示；
thold插件，提供设备异常预警。
Settings插件，可以提供邮件提醒功能
由于安装的是0.8.7i基本版，而该版本没有配套的插件工具，所以只好升级这个版本
4.1下载最新的cacti版本
目前最新为0.8.8a版本，下载到本地。
Cd /
Mkdir download
Cd download
wget http://www.cacti.net/downloads/cacti-0.8.8a.tar.gz
4.2备份原来的文件
Mv –rf /var/www/localhost/htdocs/cacti /var/www/localhost/htdocs/cactibackup
Mkdir /var/www/localhost/htdocs/cacti
4.3升级cacti到0.8.8a
Tar zxvf cacti-0.8.8a.tar.gz /var/www/localhost/htdocs/cacti/
4.4修改配置文件
cd /var/www/localhost/htdocs/cacti
vi include/config.php
$database_type = "mysql";
$database_default = "cactidb";
$database_hostname = "localhost";
$database_username = "cactiuser";
$database_password = "cactipass";
$database_port = "3306";
$database_ssl = false;
4.5登录cacti完成升级
http://192.168.254.123/cacti
完成升级安装，登录后可以看到多出一个“Plugin Management”选项，升级成功！
http://blog.运维网.com/attachment/201305/153350913.png
4.6插件的安装
Cd /download
Wget http://cactiusers.org/downloads/settings.tar.gz
Wgethttp://cactiusers.org/downloads/monitor.tar.gz
Wgethttp://cactiusers.org/downloads/thold.tar.gz
Tar zxvf monitor-v1.2-1.tgz –C /var/www/localhost/htdocs/cacti/plugins/
Tar zxvf thold-v0.4.9-2.tgz–C/var/www/localhost/htdocs/cacti/plugins/
Tar zxvf settings-v0.7-1.tgz-C/var/www/localhost/htdocs/cacti/plugins/
4.7登录到cacti，进入插件管理，如下图，
http://blog.运维网.com/attachment/201305/153408875.png
点击安装，开启，如下图安装完成
http://blog.运维网.com/attachment/201305/153439660.png
如下图monitor界面
http://blog.运维网.com/attachment/201305/153535459.png
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