You should remove the virtual host file created for Apache or Nginx. For Apache: sudo a2dissite observium.conf sudo rm /etc/apache2/sites-available/observium.conf sudo systemctl restart apache2 For Nginx: sudo rm /etc/nginx/sites-enabled/observium.conf sudo rm /etc/nginx/sites-available/observium.conf sudo systemctl restart nginx 5. Optional: Remove the Dedicated System User If you created a specific user during setup, you can safely remove it. sudo deluser observium sudo delgroup observium 6. Cleanup Dependencies (Caution) Observium requires packages like . Only remove these if they are being used by other applications. sudo apt purge rrdtool fping snmpd snmp sudo apt autoremove If you are running Observium in a Docker container
How to Completely Uninstall Observium from Ubuntu If you need to remove Observium from your Ubuntu system—whether to migrate to a different monitoring tool or to perform a clean reinstall—it is important to follow a structured process. Because Observium relies on a stack of components (Apache, MySQL/MariaDB, and Cron jobs), a simple directory deletion isn't enough. uninstall observium ubuntu