Uninstall Visulox and remove all files from an existing installation with:
sudo dnf remove vlx-connector vlx-portal vlx-portal-rte visulox-rte -y || true
sudo rm -rf /opt/visulox-portal* || true
sudo rm -rf /var/vlx-portal || true
sudo rm -rf /opt/visulox || true
sudo rm -f /opt/visulox-portal/.setup_done || true
sudo systemctl daemon-reload || true