@ptahbe
https://apache.org/dyn/closer.lua/guacamole/1.4.0/binary/guacamole-auth-totp-1.4.0.tar.gz?action=download . Extract this file , it will contain a guacamole-auth-totp-1.4.0.jar .
Open File manager and upload guacamole-auth-totp-1.4.0.jar into the extensions directory.
a84abe6c-48e0-4371-a669-4006c96e7e04-image.png
Restart the app. You can also do this from the "..." button above.
Then, when you login, you will see:
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