The main use of TOTP is for logging into the ECMWF  Atos HPCF and ECS services using Teleport SSH Access. 

The steps needed are described in this page .

TOTP is also needed for logging in to the ECaccess gateway (boaccess.ecmwf.int) and ECPDS.

For login with Teleport SSH

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Step 1:  Go to Login with Teleport tsh client as: No Format $> tsh login --proxy=jump https://www .ecmwf.int and click on the Log In link at the top right-hand side of the menu bar	Image Removed
Step 2:  Your browser should open the ECMWF login page Enter your user name or email address and password in the boxes provided Tip title A note about the email address If you use your email address to login for Teleport SSH login then it must be the email address associated with your 3 or 4 character Unix username. If you are not sure which is the correct email address, use your Unix username.	Image AddedImage Removed
Step 3: Ciick on the Sign Log in button	Image RemovedImage Added
Step 4: Select the TOTP device you will use to generate the one-time code Note If only one TOTP device has been configured then the name you gave to it will not be displayed here.	Image AddedImage Removed
Step 5: Generate a 6-digit one-time code using the selected device and enter it in the box provided	Image RemovedImage Added
Step 6:  Click on the Sign Log In button	Image RemovedImage Added
Step 7: You should now be logged in and will see your name in the top right-hand side of the menu barthe Teleport Login Successful page in your browser	Image AddedImage Removed