the link https://github.com/GluuFederation/flex/tree/main/flex-linux-setup#flex-linux-setup Suggests it provides instructions to install Flex from Janssen and update to Flex adding the UI. the https://github.com/GluuFederation/flex/tree/main/flex-linux-setup#addremove-admin-ui-plugins instructions fail. and the following errors root@gluu-flex2:~# curl https://raw.githubusercontent.com/GluuFederation/flex/main/flex-linux-setup/flex_linux_setup/flex-plugin.py -O /opt/jans/jans-setup/static/scripts/admin_ui_plugin.py % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 2522 100 2522 0 0 19703 0 --:--:-- --:--:-- --:--:-- 19703 curl: (3) URL using bad/illegal format or missing URL root@gluu-flex2:~# python3 /opt/jans/jans-setup/static/scripts/admin_ui_plugin.py Admin UI installation directory not found.