Uninstall Observium Ubuntu
sudo rm -f /etc/php/*/cli/conf.d/observium.ini
sudo rm -f /etc/php/*/apache2/conf.d/observium.ini
sudo rm -f /etc/nginx/sites-available/observium
sudo rm -f /etc/nginx/sites-enabled/observium
sudo systemctl reload nginx
Stop the Observium service, remove Observium files (usually /opt/observium or /usr/local/observium), drop the observium MySQL/MariaDB database and user, remove webserver virtual host and PHP config, delete cron jobs and monitoring users, and optionally remove RRDtool/Graphing data and dependencies.
Observium stores all its device, port, and alerting data in a MySQL or MariaDB database. To fully uninstall, you should drop this database. uninstall observium ubuntu
