Since Observium is typically installed manually by downloading a source archive rather than through a package manager like
When it came back up, the terminal was clean. htop showed CPU usage at 2%. Memory was mostly free. The server was quiet. It was just an Ubuntu box again, waiting for its next purpose.
Located at /opt/observium/rrd/ Configuration: Located at /opt/observium/config.php
As with the package manager method, stop the Observium services: uninstall observium ubuntu
If you added the cron jobs directly to the root user's crontab, edit it using: sudo crontab -e Use code with caution.
Delete the observium system user and its associated system group: sudo userdel -r observium Use code with caution.
DROP DATABASE observium; DROP USER 'observium'@'localhost'; FLUSH PRIVILEGES; EXIT; The server was quiet
sudo rm /etc/nginx/sites-enabled/observium sudo rm /etc/nginx/sites-available/observium Use code with caution. Restart Nginx to apply changes: sudo systemctl restart nginx Use code with caution. Step 6: Clean Up Dependencies (Optional)
Check /var/log/syslog or use sudo grep -i "observium" /var/log/syslog over the next few minutes to confirm that no automated cron errors are triggering. Your Ubuntu system is now completely free of Observium. To help you tidy up your server, tell me:
With the background jobs stopped and the database removed, you can now safely delete the actual Observium core code, logs, and RRD (Round Robin Database) metrics. Delete the observium system user and its associated
Look for any lines referencing /opt/observium/ (such as discovery.php or poller.php ), delete those lines, save, and exit the editor. Step 2: Remove the Web Server Configuration
Open the system cron file where Observium jobs are typically placed: sudo nano /etc/cron.d/observium Use code with caution.