Uninstall Observium Ubuntu -

Now that the services are disconnected, you can remove the actual application directory. By default, Observium is installed in /opt/observium . sudo rm -rf /opt/observium Use code with caution.

Warning: This command is permanent. Ensure you have backed up any custom templates or configurations if you plan to use them elsewhere. Step 5: Clean Up Dependencies (Optional)

Finally, check that no Observium-related processes are still running: ps aux | grep observium Use code with caution. uninstall observium ubuntu

You likely have an Apache or Nginx virtual host pointing to your Observium directory. You should disable and remove this to prevent the web server from throwing errors. Disable the site: sudo a2dissite observium.conf Use code with caution. Restart Apache: sudo systemctl restart apache2 Use code with caution. Delete the configuration file: sudo rm /etc/apache2/sites-available/observium.conf Use code with caution. For Nginx: Remove the symbolic link: sudo rm /etc/nginx/sites-enabled/observium Use code with caution. Restart Nginx: sudo systemctl restart nginx Use code with caution. Remove the site config: sudo rm /etc/nginx/sites-available/observium Use code with caution. Step 3: Drop the MySQL/MariaDB Database

Be careful with this step if you have other websites or tools running on the same Ubuntu instance. Now that the services are disconnected, you can

If the output is empty (aside from your grep command), the uninstallation is successful. Summary Checklist Cron jobs deleted Apache/Nginx virtual host removed MySQL database and user dropped /opt/observium directory deleted Unused packages purged

If Observium was the only application on this server using certain packages (like SNMP tools or specific PHP modules), you might want to remove them to save space. Warning: This command is permanent

Observium relies heavily on cron jobs for polling and discovery. If you don't disable these first, the system will continue trying to run scripts that you are about to delete, leading to a flood of local error logs. Open the cron configuration: sudo nano /etc/cron.d/observium Use code with caution.

Are you planning to with another monitoring tool like LibreNMS or Zabbix , or are you decommissioning the server entirely?

sudo apt-get purge snmp snmpd fping ImageMagick sudo apt-get autoremove Use code with caution. Step 6: Verify Removal