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  1. #1

    cacti installation how to

    Original how to is posted at: http://forums.linuxwebadmin.info/ind...pic,153.0.html

    Introduction:

    Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven. Along with being able to maintain Graphs, Data Sources, and Round Robin Archives in a database, cacti handles the data gathering. There is also SNMP support for those used to creating traffic graphs with MRTG.

    Cacti requirement:

    MySQL
    PHP
    RRDTool
    net-snmp
    php-snmp
    Apache (compiled with php support)


    MySQL configuration for cacti:


    Code:
    [root:~]# mysql -uroot -p
    Enter password: 
    mysql> create database cactidb;
    mysql> grant all on cactidb.* to root;
    mysql> grant all on cactidb.* to [email protected];
    mysql> grant all on cactidb.* to cactiuser;
    mysql> grant all on cactidb.* to [email protected];
    mysql> set password for [email protected]=password('cactipw');
    mysql> flush privileges;
    mysql> exit
    [root:~]#
    RRDTool Installation:

    Code:
    [root:~]# cd /usr/local/src/
    [root:~]# wget http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/pub/rrdtool.tar.gz
    [root:~]# tar -zxf rrdtool.tar.gz
    [root:~]# cd rrdtool*
    [root:~]# ./configure
    [root:~]# make
    [root:~]# make install
    [root:~]# make site-perl-install
    [root:~]# cd ..
    [root:~]# rm -fr rrdtool*
    [root:~]#
    Download and setup cacti:

    Code:
    [root:~]# group-add cacti
    [root:~]# useradd -g cacti cactiuser
    Code:
    [root:~]# tar -zxvf cacti*
    [root:~]# mv cacti-0.8.xx /home/cactiuser/cacti
    [root:~]# cd /home/cactiuser/cacti
    [root:~]# mysql --user=root --password=rootpw cactidb < cacti.sql
    [root:~]# chown -R cactiuser rra/ log/
    Make the proper changes for database and database password:

    [root:~]# vi /include/config.php

    Code:
    $database_defaut = “cactidb”;
    $database_hostname = “localhost”;
    $database_username = “cactiuser”;
    $database_password = “cactipw”
    Add this cron in /etc/crontab

    */5 * * * * cactiuser php /home/cactiuser/cacti/poller.php > /dev/null 2>&1

    Add an alias or virtual host in your apache configuration file:

    Alias /cacti/ "/home/cactiuser/cacti/"

    Save and restart the apache and mysql service.

    Post Installation Steps:

    Browse the below mentioned URL:

    http://localhost/cacti

    -OR-

    http://remoteIP/cacti

    Code:
    1. Click Next
    2. Default (New Install) -> Click Next
    3. In third step you will have to provide the correct path of rrdtool and php
    RRDTOOL = /usr/local/rrdtool-1.2.15/bin/rrdtool
    4. Click Finish
    5. Login with Username/Password: admin/admin
    6. Change Password for user admin
    7. Click Save
    Thats all cacti is installed!

  2. #2
    Join Date
    Jan 2005
    Location
    Scotland, UK
    Posts
    2,549
    Good tutorial, I was just thinking less than 30 minutes ago about making a cacti tutorial(as I was installing it) but no need now

    -Scott
    Server Management - AdminGeekZ.com
    Infrastructure Management, Web Application Performance, mySQL DBA. System Automation.
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    Check our wordpress varnish plugin. Contact us for quote: [email protected]

  3. #3
    Thanks for the comment!!!

  4. #4
    Join Date
    Mar 2006
    Posts
    418
    Wouldnt you have to restart crond as well, or is that just me remembering wrong?

    You might want to add a "more info" section at the buttom with links to the cacti forum, the RRDTool website and others that might prove useful if the user has problems with the tutorial...

    Furthermore, note that on many servers RRDTool cant install with tcl bindings, you'll get an error during make, to fix this, do ./configure --disable-tcl instead of ./configure. Same goes for python, in general so ./configure --disable-tcl --disable-python if you have any problems with the default configure...

  5. #5
    Thanks for the information!

  6. #6
    Join Date
    May 2004
    Location
    Malaysia
    Posts
    178
    Hi,

    Is there a way to consolidate all the servers into a single cacti?

  7. #7
    Join Date
    Mar 2002
    Location
    St. Louis, MO
    Posts
    1,378
    Quote Originally Posted by mygethosted
    Hi,

    Is there a way to consolidate all the servers into a single cacti?
    Using SNMP you can

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