How to Install Observium on Ubuntu, Debian and Linux Mint

How to Install Obervium Network Monitoring in Ubuntu 18.04 and Debian 9.0

Monitoring Your Network And Servers With Observium

Website :- http://www.observium.org/

Installing Prerequisites

Step1 :- sudo apt-get update

Should Install below packages also
Observium
    LAMP server
    fping
    Net-SNMP 5.4+
    RRDtool 1.3+
    Graphviz

Step2 :- sudo apt-get install libapache2-mod-php5 php5-cli php5-mysql php5-gd php5-mcrypt php5-json php-pear snmp fping mysql-server mysql-client python-mysqldb rrdtool subversion whois mtr-tiny ipmitool graphviz imagemagick libvirt ipmitool

Step3 :- sudo apt-get install libvirt-bin

Creation MySQL Database and  User  for Observium

Step4 :-
mysql -u root -p
CREATE DATABASE observium;
CREATE USER observiumadmin@localhost IDENTIFIED BY '123';
GRANT ALL PRIVILEGES ON observium.* TO observiumadmin@localhost;
FLUSH PRIVILEGES;
exit

Downloading and Installing Observium

Step5 :- mkdir -p /opt/observium && cd /opt

Download and unpack it

Step6 :- wget http://www.observium.org/observium-community-latest.tar.gz
Step7 :- tar zxvf observium-community-latest.tar.gz

Observium directory

Step8 :- cd observium




Copy the default configuration file ‘config.php.default‘ to ‘config.php‘
Step9 :-
cp config.php.default config.php
config.php
/ Database config
$config['db_host'] = 'localhost';
$config['db_user'] = 'observiumadmin';
$config['db_pass'] = 'observiumpassword';
$config['db_name'] = 'observium';

Let’s setup the default schema for the MySQL Database:

php includes/update/update.php
Step10 :- mkdir rrd
Step11 :- chown apache:apache rrd

need to create logs file

Step12 :- mkdir -p /var/log/observium
Step13 :- chown apache:apache /var/log/observium

Step14 :- sudo nano /etc/apache2/sites-available/default
create the virtual host configuration for Observium
<VirtualHost *:80>
  DocumentRoot /opt/observium/html/
  ServerName  observium.domain.com
  CustomLog /var/log/observium/access_log combined
  ErrorLog /var/log/observium/error_log
  <Directory "/opt/observium/html/">
  AllowOverride All
  Options FollowSymLinks MultiViews
  </Directory>
  </VirtualHost>

To enable mod_rewrite modules, type this command

Step15 :- sudo a2enmod rewrite
Step16 :- sudo service apache2 restart

Configuring Observium

Step17 :- cd /opt/observium
Step18 :- ./adduser.php admin adminpassword 10

Step19 :- create a new file ‘/etc/cron.d/observium

33  */6   * * *   root    /opt/observium/discovery.php -h all >> /dev/null 2>&1
*/5 *      * * *   root    /opt/observium/discovery.php -h new >> /dev/null 2>&1
*/5 *      * * *   root    /opt/observium/poller-wrapper.py 1 >> /dev/null 2>&1



Step20 :- /etc/init.d/cron reload

Observium using your browser

Step21 :- http://<Server IP>