You can log onto the CLAIX systems using your login name and password (unix password), or the Secure Shell Protocol (SSH) by authenticating yourself via a private key file on your local machine. In the latter case, the corresponding public key file which the server uses to validate your identity has been saved on the HPC file system in the folder `.ssh` in your user directory up until now. This public key file is now moving to FeLS.
In order to use it for your HPC Account, you need to first upload the file to FeLS.
To learn more about SSH, you can check out [wikipedia](https://en.wikipedia.org/wiki/Secure_Shell) or look up how-tos for other services, such as [github](https://docs.github.com/en/authentication/connecting-to-github-with-ssh/about-ssh).
