Observium Install on CentOS 7.x

Epel and RPMforge Install

rpm -Uhv http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm
rpm -Uhv http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm

Package Installs

yum -y install wget httpd php php-mysql php-gd php-posix php-pear.noarch cronie net-snmp net-snmp-utils mariadb-server mariadb MySQL-python rrdtool subversion ipmitool graphviz ImageMagick php-mcrypt jwhois fping

systemctl enable mariadb 
systemctl enable httpd
systemctl start mariadb 
systemctl start httpd

Observium Install

cd /opt
wget http://www.observium.org/observium-community-latest.tar.gz
tar zxvf observium-community-latest.tar.gz
rm -f observium-community-latest.tar.gz

Create SQL Database

The below is using a username of myobservium and a password of somerandompassword

mysql
CREATE DATABASE observium DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
use observium;
GRANT ALL PRIVILEGES ON observium.* TO 'myobservium'@'localhost' IDENTIFIED BY 'somerandompassword';
flush privileges;
exit

Config File

cd /opt/observium
cp config.php.default config.php

vi config.php

Modify Entries

// Database config ---  This MUST be configured
$config['db_host'] = 'localhost';
$config['db_user'] = 'myobservium';
$config['db_pass'] = 'somerandompassword';
$config['db_name'] = 'observium';

Add entry

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

Create Config Folders

mkdir logs
mkdir rrd
chown apache:apache logs
chown apache:apache rrd

Populate SQL Database

php /opt/observium/includes/update/update.php

Create Apache WEB Site

vi /etc/httpd/conf/httpd.conf

Add the following to the end of the file

 <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
      Require all granted
    </Directory>
 </VirtualHost>

Create Admin User

/opt/observium/adduser.php <username> <password> 10

Add Device

This command is for the CLI but can be done from the WEB interface

/opt/observium/add_device.php <hostname> <community> v2c

Cron Job

crontab -e

Add the following Lines

*/30 * * * * /opt/observium/discovery.php -h all >> /dev/null 2>&1
*/5 * * * * /opt/observium/poller-wrapper.py 5 >> /dev/null 2>&1