Testing the Freeradius Server ------------------------------ The LinOTP Virtual Appliance also starts a RADIUS server that is accepting RADIUS requests from all RADIUS clients. To test the FreeRADIUS on your new installation you may enroll a token and issue the following command:: echo "User-Name=linotp,Password=042262" | sudo radclient -s auth ...where the Password is the OTP value of the token you assigned to the user LinOTP.