If an observium user was created during installation, remove it along with the observium group:
sudo apt --purge autoremove sudo apt autoclean
Your Ubuntu system is now clean of Observium. If you are looking for a replacement, many users transition to LibreNMS—which is a fork of Observium—as it offers a similar feel with a more community-driven, open-source model.
sudo systemctl stop apache2 mysql snmpd; sudo rm -rf /opt/observium /var/log/observium /etc/cron.d/observium; sudo mysql -u root -p -e "DROP DATABASE IF EXISTS observium; DROP USER IF EXISTS 'observium'@'localhost';"; sudo a2dissite observium.conf; sudo rm -f /etc/apache2/sites-available/observium.conf; sudo systemctl restart apache2; sudo apt-get autoremove --purge -y uninstall observium ubuntu
First, disable the virtual host if it's still active:
sudo systemctl stop observium sudo systemctl disable observium sudo systemctl stop apache2 php7.4-fpm
Scroll through the file, delete any lines referencing /opt/observium/ , save the file, and exit the editor. Step 2: Remove the Web Server Configuration If an observium user was created during installation,
sudo mysql -u root -p
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sudo userdel observium
Nginx: Remove the symlink in /etc/nginx/sites-enabled/ and reload.
Warning: Double-check the path before hitting Enter. The rm -rf command deletes files permanently without a confirmation prompt. Step 5: Clean Up System Packages and Dependencies
sudo apt-get purge net-snmp net-snmp-utils rrdtool graphviz sudo apt-get autoremove --purge Use code with caution. Step 2: Remove the Web Server Configuration sudo
quit