Accessing Microsoft Teams for Education using school or organizational credentials
Hi, Arna_685
According to your description, the issue of your concern that you failed to configure your Teams app in Linux.
Please give an attempt for updating the Teams client to the latest version to see if it helps.
In addition, we would like to refer you to the right place -office-teams-linux-itpro which there's a professional team who dedicating into Linux system with rich experience.
(Please be kindly to understand that Linux is out of our boundary and experience.)
Thanks for your time and your understanding would be highly appreciated.
Regards,
Zed