How to install Observium in Linux

              How to install Observium in Linux?

Observium is one of the best tool ever used by system network admin for monitoring everything about routers, switches and physical machines etc.

Please follow the following working steps to get Observium installed.

1. install ncecessary packages for Observium

# yum install httpd php php-mysql php-gd php-snmp vixie-cron php-pear net-snmp net-snmp-utils graphviz subversion mysql-server mysql rrdtool fping ImageMagick jwhois nmap OpenIPMI-tools

2. install pear

# pear install Net_IPv6

# pear install Net_IPv4

3. # yum install libvirt

4. # mkdir /opt/observium

# cd /opt

5. #svn co http://www.observium.org/svn/observer/trunk observium

6. # cd observium

7. Create mysql username and password

# mysqladmin -u root password 'passworD321'

mysql> create database observium;

Query OK, 1 row affected (0.00 sec)

mysql>grant all privileges on observium. * to 'observium'@'localhost' identified by 'passworD321';

Query OK, 0 rows affected (0.00 sec)

8. # cp config.php.default config.php

9. vi config.php and add the following part.

$config['fping'] = "/usr/sbin/fping";

# php includes/sql-schema/update.php

10. # mkdir graphs rrd

11. chown apache.apache graphs rrd

12. Edit in httpd config file:

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

<VirtualHost *:80>

DocumentRoot /opt/observium/html/

ServerName observium.domain.com

CustomLog /opt/observium/logs/access_log combined

ErrorLog /opt/observium/logs/error_log

<Directory "/opt/observium/html/">

AllowOverride All

Options FollowSymLinks MultiViews

</Directory>

</VirtualHost>

13. Create logs directory for apache

# mkdir /opt/observium/logs

# chown apache.apache /opt/observium/logs

14. Add user, use level of 10 for admin

# cd /opt/observium

# ./adduser.php <user-name> <password> <level=10>

15. Add a first device to monitor:

# ./addhost.php <hostname> <community> v2c

16. Discover and add hosts

# ./discovery.php -h all

# ./poller.php -h all

17. Add to cronjobs

33 */6 * * * /opt/observium/discovery.php -h all >> /dev/null 2>&1

*/2 * * * * /opt/observium/discovery.php -h new >> /dev/null 2>&1

*/2 * * * * /opt/observium/poller.php -h all >> /dev/null 2>&1

and restart the cron

# /etc/init.d/cron reload

18. In case if server rebooted, add to startup

# chkconfig mysqld on

# chkconfig httpd on

Now check,on your browser as http://localhost/observium with the username and password we have created. 

Sample Observium output graph details  in given below.

 

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