Cacti

CentOS 5

rpm -ivh http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el5.rf.i386.rpm

yum install rrdtool -y

CentOS 6

rpm -ivh http://apt.sw.be/redhat/el6/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.i686.rpm

yum install rrdtool -y

yum install http*,mysql*,php*,snmp* ,net-snmp-utils

#tar -xvf cacti-0.8.6h.tar.gz

move the uncompressed folder inside your /var/www folder, for example:

#mv /home/po/Desktop/cacti /var/www/

 

Then Configure the Cacti database

#mysqladmin -u root -p create cacti

We now have to insert the Cacti tables inside the cacti database:

mysql -u root -p cacti < /var/www/cacti/sql/cacti.sql

As always, it's better to access the database without the root user.

So, login into the database and create a new MySQL user:

#mysql -u root -p cacti

We give all the rights to the cactiuser on the cacti database:

mysql> grant all on cacti.* to cactiuser@localhost identified by 'cactiuser'; 

Now, reload mysql rights:

mysql>flush privileges;

mysql>exit

We need to change the database connection settings located in the

/var/www/cacti/include/config.php file

$database_type = "mysql";

$database_default = "cacti";

$database_hostname = "localhost";

$database_username = "cactiuser";

$database_password = "cactiuser";

$database_port = "3306";

We then need to create a user to run cacti, this user will not be allowed tu run any shell command (/bin/false):

#useradd cacti -d /var/www/cacti/ -s /bin/false

The cacti user we need to write in two folders, so:

#chown -R cacti /var/www/html/cacti/

We will need to do a cron job to run the php script every 5 minutes

#crontab -e -u cacti

*/5 * * * * php5 /var/www/html/cacti/poller.php > /dev/null 2>&1

Restart the apache webserver:

#/etc/init.d/apache2 restart

Finally we can log in to cacti with a web browser:

http://your_ip_address/cacti

Use "admin" as the default login and password.

See the browser screenshots.

###################Install Plugin Architecture ###################################

***Important Version Compatibility***

cacti_0.8.7g

cacti-plugin-0.8.7g-PA-v2.8

Before doing anything, backup your cacti-root-folder just in case you screwed up while making changes on your system.

1. Download cacti-plugin-arch and extract

#cd /opt

#wget http://mirror.cactiusers.org/downloads/plugins/cacti-plugin-0.8.7g-PA-v2.8.tar.gz

#tar -xzvf cacti-plugin-0.8.7g-PA-v2.8.tar.gz

2. Copy patch file to /var/www and perform patch

#cd cacti-plugin-arch

#cp cacti-plugin-0.8.7g-PA-v2.8.diff /var/www

#cd /var/www/cacti

#patch -p1 -N < /var/www/cacti-plugin-0.8.7g-PA-v2.8.diff

3. Edit include/config.php, and change database credentials

#vi /var/www/cacti/include/config.php

Update "url_path"

$url_path = "/cacti/";

4. Configure Plugin Architecture

- login to Cacti

- User Management > Admin > Realm Permission

- "check" the Plugin Management

- Done

From <http://dikehtonon.blogspot.com/2011/12/cacti-installing-plugin-architecture.html>

==================================================================================

Installation

1/ Go to your plugins cacti installation

Code:

cd cacti/plugins/

2/ Get the plugin attached to the post : http://forums.cacti.net/download.php?id=13431

3/ Extract him

Code:

tar xzf realtime.tar.gz

cd ..

4/ Add plugin to your config by adding this to your include/config.php :

Code:

$plugins[] = 'realtime';

5/ Goto Settings->Misc and configure the cache directory and other settings.

6/ Make sure that web user can write to the cache directory :

Code:

chmod a+wx /var/www/html/cacti/rcache

 

 

 

#vim /etc/httpd/conf.d/cacti.conf

• Apache

# vi /etc/httpd/conf.d/cacti.conf

 Alias /cacti    /usr/share/cacti

<Directory /usr/share/cacti/>

         <IfModule mod_authz_core.c>

                 # httpd 2.4                

Require host localhost

         </IfModule>

         <IfModule !mod_authz_core.c>

                 # httpd 2.2

                 Order deny,allow

                 Deny from all

                 Allow from all

         </IfModule>

</Directory>