Leo, the sole systems administrator for a modest but growing cloud startup, fumbled for his phone. The glow of the screen illuminated his tired face. Observium, the network monitoring tool he’d lovingly installed on an Ubuntu server three years ago, was screaming that a core switch was down.
Open your crontab for the user that runs Observium (usually root or a specific observium user):
Look for lines containing /opt/observium/ (such as discovery.php or poller.php ), delete them, save, and exit. Step 3: Delete the Observium Installation Directory
Before deleting files, ensure the web interface and background processes are stopped to avoid locked files. sudo systemctl stop apache2 (or nginx ). Stop SNMP Daemon: sudo systemctl stop snmpd . 2. Remove Scheduled Cron Jobs uninstall observium ubuntu
This guide provides a step-by-step process to ensure every trace of Observium is thoroughly and cleanly removed from your Ubuntu system.
Run the following commands inside the MySQL prompt: DROP DATABASE observium; DROP USER 'observium'@'localhost'; FLUSH PRIVILEGES; EXIT; 4. Remove Logs and Dependencies (Optional)
(Optional) Remove the specific database user created for Observium: DROP USER 'observium'@'localhost'; FLUSH PRIVILEGES; EXIT; Use code with caution. Step 4: Delete the Observium Files Leo, the sole systems administrator for a modest
Run the autoremove and purge commands to safely strip away these extra packages:
How to Completely Uninstall Observium from Ubuntu Observium is a powerful, network monitoring platform. However, you might need to remove it to free up resources, migrate to a different server, or switch to an alternative monitoring tool.
sudo rm /etc/apache2/sites-available/observium.conf sudo rm /etc/apache2/sites-enabled/observium.conf Use code with caution. Open your crontab for the user that runs
This command will remove the Observium packages, configuration files, and dependencies.
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.