- download this repo and move it into the config directory
cd /opt/knime/knime_server_4.16/workflow_repository/config
git clone https://github.com/spatial-data-lab/webportal2Theme.cga.git
- change the configure file
/opt/knime/knime_server_4.16/workflow_repository/config/knime-server.config
change the following line
com.knime.server.webportal2.theme_folder=webportal2Theme.cga