...
All the computing services where the access with IPA is needed such as HPC login system, Nextcloud, Confluence, Indico or the OpenStack Dashboard need to access with the "Password+OTP code" (all in a row, without the "+" symbol).
The OTP code is a one-time password, also known as a dynamic password, used as a second authentication factor in addition to the commonly used username and password. It is only valid once, so even if an attacker manages to get hold of it, he/she cannot reuse it.
...