Install Observium on Debian/Ubuntu

#Observium #NetworkMonitor #Linux

Full steps can be found at https://i12bretro.github.io/tutorials/0411.html

What is Observium?

Observium is a low-maintenance auto-discovering network monitoring platform supporting a wide range of device types, platforms and operating systems...-  https://www.observium.org/

Installing Observium

   01. Log into the Linux device    02. Run the following commands in a terminal window          # install prerequisites          sudo apt install libapache2-mod-php7.3 php7.3-cli php7.3-mysql php7.3-gd php7.3-json php-pear snmp fping mariadb-server mariadb-client python-mysqldb rrdtool subversion whois mtr-tiny ipmitool graphviz imagemagick apache2 -y          # create a directory for observium          sudo mkdir -p /opt/observium          # download latest observium release          sudo wget http://www.observium.org/observium-community-latest.tar.gz          sudo tar zxvf observium-community-latest.tar.gz --directory /opt          # configure the MySQL database          sudo su          mysql_secure_installation    03. Press Enter to login as root    04. Type Y and press Enter to set a root password, type the password twice to confirm    05. Type Y and press Enter to remove anonymous users    06. Type Y and press Enter to disallow root login remotely    07. Type Y and press Enter to remove the test database    08. Type Y and press Enter to reload privilege tables    09. Run the following command to login into MySQL:          mysql -u root -p    10. Authenticate with the root password set earlier    11. Run the following commands to create the Observium database and database user          CREATE DATABASE observium DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;          GRANT ALL ON observium.* to 'observium_rw'@'localhost' IDENTIFIED BY '0b5erv1um!!';          FLUSH PRIVILEGES;          EXIT;          exit    12. Continue with the following commands          sudo cp /opt/observium/config.php.default /opt/observium/config.php          sudo nano /opt/observium/config.php    13. Update the MySQL connection information    14. Press CTRL+O, Enter, CTRL+X to write the changes to config.php    15. Continue with the following commands          # create the database objects          /opt/observium/discovery.php -u          # create the logs directory          sudo mkdir -p /opt/observium/logs          # create RRDs directory          sudo mkdir /opt/observium/rrd          sudo chown www-data:www-data /opt/observium/rrd          # create observium apache2 configuration          sudo nano /etc/apache2/sites-available/observium.conf    16. Paste the following configuration          Listen 8001          ≪VirtualHost *:8001≫          DocumentRoot /opt/observium/html          ≪Directory /≫          AllowOverride All          Options FollowSymLinks MultiViews          Require all granted          ≪/Directory≫          ≪/VirtualHost≫    17. Press CTRL+O, Enter, CTRL+X to write the changes to observium.conf    18. Continue with the following commands          # enable required apache modules          sudo a2enmod rewrite          # enable the observium site          sudo a2ensite observium          # restart apache2 service          sudo systemctl restart apache2          # create an admin user account          /opt/observium/adduser.php i12bretro supersecurepw 10    19. Open a web browser and navigate to http://DNSorIP:8001    20. Log into Observium with the user created above    21. Welcome to Observium   Source:  https://docs.observium.org/install_debian/  

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