Only run this step if no other applications on your server rely on these packages.
If you want to completely wipe the entire LAMP/LEMP stack because this server was dedicated only to Observium, you can purge the web server and database as well:
Before you start the uninstallation process, make sure you have the following:
Whatever the reason, uninstalling Observium isn't as simple as running a single apt-get remove command. Because Observium relies on a LAMP stack (Linux, Apache, MySQL/MariaDB, and PHP) and has specific cron jobs and configuration files, a complete uninstallation requires a few manual steps.
To ensure that Observium has been completely uninstalled from your Ubuntu system, verify the following: uninstall observium ubuntu
Open your crontab for the user that runs Observium (usually root or a specific observium user):
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Observium uses a Virtual Host configuration to serve its web interface. You must delete this configuration file so your web server does not throw errors on its next reload. For Apache Users: Disable the Observium site configuration: sudo a2dissite observium.conf Use code with caution. Delete the virtual host configuration file: sudo rm /etc/apache2/sites-available/observium.conf Use code with caution. Restart Apache to apply changes: sudo systemctl restart apache2 Use code with caution. For Nginx Users: Delete the server block configuration file:
While this is optional, you may decide you no longer need certain dependencies that were installed for Observium. This is especially relevant if you are not using them for any other applications on your server. These often include packages like apache2 , mysql-server , php , snmp , and various PHP extensions (e.g., php-mysql , php-gd ). Only run this step if no other applications
sudo apt-get purge php.* sudo apt-get autoremove
Are you planning to install an (like LibreNMS or Zabbix)?
The default installation location is /opt/observium . Delete it entirely:
This comprehensive guide walks you through the step-by-step process to completely purge Observium and its associated data from an Ubuntu system. Step 1: Backup Your Data (Optional) To ensure that Observium has been completely uninstalled
sudo rm -rf /var/log/observium
By default, Observium is installed in /opt/observium . Removing this directory deletes the application logic and your collected RRD data.
First, disable the virtual host if it's still active:
How to Completely Uninstall Observium from Ubuntu Observium is a powerful, network monitoring platform. However, you might need to remove it to free up resources, migrate to a different server, or switch to an alternative monitoring tool.