sudo service apache2 start

to find specific troubleshooting steps for older versions like Ubuntu 18.04. reinstalling a different monitoring tool? AI responses may include mistakes. Learn more [Observium] Uninstall Observium on Ubuntu 18.04

Are you planning to install an (like LibreNMS or Zabbix)?

sudo a2dissite observium.conf sudo rm -f /etc/apache2/sites-available/observium.conf sudo systemctl reload apache2

Observium sets up several cron jobs. To remove them, run:

No, Observium does not offer an official uninstall script. The steps in this article represent the best-practice approach based on its standard installation layout.

Uninstalling Observium from Ubuntu requires a multi-step approach that goes beyond a simple apt remove . By following this guide—stopping services, removing the Apache configuration, cleaning the source and RRD directories, dropping the MySQL database, and purging cron jobs—you can ensure a thorough, clean removal. Always back up any data you might need later, and run the verification commands to confirm success.

Are you planning to on this same server?