Overview
This guide explains how to fully uninstall Observium from an Ubuntu system (files, packages, services, databases, users, cron jobs, webserver config, backups, and optional cleanup). It assumes Observium was installed manually (not from a distro package) using the official community or professional code base, and that you have root or sudo access. Commands use bash/sudo; adjust for your environment and paths if you customized them.
The core application and its RRD (Round Robin Database) files are usually located in /opt/observium Delete Directory sudo rm -rf /opt/observium
All your monitoring data, device history, and user accounts are stored in MySQL (MariaDB). You’ll want to drop the database to free up space. Log in to MySQL: sudo mysql -u root -p Use code with caution. Copied to clipboard List databases to find the correct name (usually DATABASES; Use code with caution. Copied to clipboard Drop the database: observium; EXIT; Use code with caution. Copied to clipboard 3. Remove the Web Server Configuration
Once removed, you’ll free up:
If you have systemd service files for Observium (e.g., observium-poller.service), disable and stop them: