Install Cacti di Centos

Required software(s)
You need to install the following software on RHEL / Fedora / CentOS Linux:

• MySQL Server : Store cacti data.
• NET-SNMP server - SNMP (Simple Network Management Protocol) is a protocol used for network management.
• PHP with net-snmp module - Access SNMP data using PHP.
• Apache / lighttpd / ngnix webserver : Web server to display graphs created with PHP and RRDTOOL.

Install the software

First, login as root user and type the following command to install mysql, apache and php:

# yum install mysql-server mysql php-mysql php-pear php-common php-gd php-devel php php-mbstring php-cli php-snmp php-pear-Net-SMTP php-mysql httpd

Configure MySQL server

First, set root password:

# mysqladmin -u root password mysql%55

Create cacti MySQL database

Create a database called cacti, enter:

# mysql -u root -p -e 'create database cacti'

Create a user called cacti with a password called cacti%55, enter:

# mysql -u root -p

mysql> GRANT ALL ON cacti.* TO cacti@localhost IDENTIFIED BY 'cacti%55';

mysql> FLUSH privileges;

mysql> \q

Install snmpd

Type the following command to install net-snmpd

# yum install net-snmp-utils php-snmp net-snmp-libs

Configure snmpd, open /etc/snmp/snmpd.conf

# vi /etc/snmp/snmpd.conf

Append / modify it as follows (see snmpd.conf man page for details):

com2sec local     localhost           public

group MyRWGroup v1         local

group MyRWGroup v2c        local

group MyRWGroup usm        local

view all    included  .1                               80

access MyRWGroup ""      any       noauth    exact  all    all    none

syslocation Unknown (edit /etc/snmp/snmpd.conf)

syscontact Root  (configure /etc/snmp/snmp.local.conf)

pass .1.3.6.1.4.1.4413.4.1 /usr/bin/ucd5820stat

Save and close the file. Turn on snmpd service:

# /etc/init.d/snmpd start

# chkconfig snmpd on

Make sure you are getting information from snmpd:

# snmpwalk -v 1 -c public localhost IP-MIB::ipAdEntIfIndex

Sample ouptut:

IP-MIB::ipAdEntIfIndex.10.10.29.68 = INTEGER: 2

IP-MIB::ipAdEntIfIndex.67.yy.zz.eee = INTEGER: 3

IP-MIB::ipAdEntIfIndex.127.0.0.1 = INTEGER: 1

Install Cacti

# groupadd cacti
# useradd -g cacti cacti
# passwd cacti
Changing password for user cactiuser.
New UNIX password: cacti%55
Retype new UNIX password: cacti%55
passwd: all authentication tokens updated successfully.

# wget http://www.cacti.net/downloads/cacti-0.8.7b.tar.gz

# tar xzvf cacti-0.8.7b.tar.gz -C /var/www/html/

# cd /var/www/html/

# mv cacti-0.8.7b cacti

# cd cacti/

# mysql -u root -p cacti < cacti.sql

# vi include/config.php

$database_type = "mysql";

$database_default = "cacti";

$database_hostname = "localhost";

$database_username = "cacti";

$database_password = "cacti%55";

$database_port = "3306";

# chown -R cactiuser rra/ log/

# crontab -e

*/5 * * * * /usr/bin/php /var/www/html/cacti/poller.php

Install RRDTool

Install required dependencies

Login as root and type the following command:

# yum install cairo-devel libxml2-devel pango-devel pango libpng-devel freetype freetype-devel libart_lgpl-devel

Step # 2: Download latest rrdtool tar ball

Type the following commands:

# cd /opt/

# wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.5.tar.gz

Untar tar ball, enter:

# tar -zxvf rrdtool-1.3.1.tar.gz

Compile and install rrdtool

You need to set PKG_CONFIG_PATH, enter:

# export PKG_CONFIG_PATH=/usr/lib/pkgconfig/

Type the following commands:

# ./configure

Now compile and install RRDTool on RHEL:

# make

# make install

# ln -sf /opt/rrdtool-1.4.5/bin/rrdtool /usr/bin/rrdtool
# ln -sf /opt/rrdtool-1.4.5/bin/rrdupdate /usr/bin/rrdupdate
# ln -sf /opt/rrdtool-1.4.5/bin/rrdcgi /usr/bin/rrdcgi

How do I verify my installation?

Now RRDtool is installed and ready to use. You can go to /usr/local/rrdtool/share/rrdtool/examples/ directory and run them to see if your installation has been successful or not:

# cd /opt/rrdtool/share/rrdtool/examples/

# ./stripes.pl

# ls -l

# cp stripes.png /var/www/html/

Check on the web: http://your-domain.com/stripes.png

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