Before running any commands, make sure you address the following:
The web interface configuration files are stored in the /etc/observium directory. You can remove this directory by running the following command:
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Drop the Observium database (replace observium with your actual database name if you customized it during setup): DROP DATABASE observium; Use code with caution.
If you added the lines to the system crontab, open it using: sudo crontab -e Use code with caution. Before running any commands, make sure you address
Do not run this step if other websites or applications on your server rely on Apache, Nginx, MySQL, or PHP.
That covers a thorough, end-to-end uninstall of Observium on Ubuntu. If you want, tell me your Observium path, PHP version, and whether you used MySQL/MariaDB and Apache or Nginx, and I’ll generate exact commands tailored to your system. If you added the lines to the system
. Use the following command to remove the entire directory and its contents (logs, RRD data, and configuration files): sudo rm -rf /opt/observium Step 3: Drop the MySQL/MariaDB Database
Observium requires many PHP extensions ( php-mysql , php-snmp , php-gd , php-mcrypt , etc.). If you no longer need them for other applications, you can remove them. Be careful: other apps may depend on these.
sudo systemctl restart apache2
