mool

cacti 是一套使用rrdtool的好用mrtg整合套件 , 當然它的功能不只是mrtg而已

首先 cacti 會用到database , 所以就用習慣的mysql

# cd /usr/ports/net-mgnt/cacti/  && make install

# 建立mysql cacti user
   cacti在FreeBSD會安裝在/usr/local/share/cacti/ ,裡面有一個cacti.sql可以直接匯入cacti的相關sql語法

1. Create the MySQL database:

   shell> mysqladmin --user=root create cacti

2. Import the default cacti database:

   shell> mysql cacti < cacti.sql

3. Optional: Create a MySQL username and password for Cacti.

   shell> mysql --user=root mysql
   mysql> GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'somepassword';
   mysql> flush privileges;

     mysql_user 這裡是用cactiuser , 密碼是 somepassword , 這是官方文件的範例請勿照抄啊 , 不然就被看光光啦

# 設定include/config.php , 將database設定好

1. Edit include/config.php and specify the database type, name, host, user and password for your Cacti configuration.

   $database_type = "mysql";
   $database_default = "cacti";
   $database_hostname = "localhost";
   $database_username = "cactiuser";
   $database_password = "cacti";

# 把log跟rra目錄的權限開給cactiuser , 不然資料會寫不進去

1. Set the appropriate permissions on cacti's directories for graph/log generation. You should execute these commands from inside cacti's directory to change the permissions.

   shell> chown -R cactiuser rra/ log/

   (Enter a valid username for cactiuser, this user will also be used in the next step for data gathering.)

# 設定cron 每5分鐘去跑一次poller (請用cactiuser去執行)

1. Add a line to your /etc/crontab file similar to:

   */5 * * * * cactiuser php /var/www/html/cacti/poller.php > /dev/null 2>&1

   Replace cactiuser with the valid user specified in the previous step.

   Replace /var/www/html/cacti/ with your full Cacti path.

# 最後順手把install 這個目錄砍了或是rename (這是個人習慣,install目錄裝完就讓它消失)

接下來就是把自己的mrtg設備加進cacti囉