Before deleting files, stop any active processes to ensure a clean removal.
Observium uses cron jobs for discovery and polling. If these aren't removed, they will continue to try (and fail) to run scripts that no longer exist.
Restart Apache to apply the changes:
The command should return no Observium‑related processes.
DROP DATABASE observium; DROP USER 'observium'@'localhost'; FLUSH PRIVILEGES; EXIT; Use code with caution. Copied to clipboard 5. Delete the Application Files uninstall observium ubuntu
sudo rm /etc/nginx/sites-available/observium.conf sudo rm /etc/nginx/sites-enabled/observium.conf sudo systemctl restart nginx
To remove packages commonly installed alongside Observium that you may no longer need: Before deleting files, stop any active processes to
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.
Open the cron file for the observium user (often observium or root depending on your setup): Restart Apache to apply the changes: The command
Ensure you stopped all Observium‑related processes before removing the system user. If the issue persists, use: