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We use MIT Kerberos 5 for authentication. Our kerberos realm is CSCLUB.UWATERLOO.CA. KDCs run on ginseng (kdc1) and artificial-flavours (kdc2).

Password Resets

To change your own password you can run passwd on any of the club's machines.

Changing other users' passwords

  • ssh ginseng
  • sudo kadmin.local
  • cpw username
  • Enter new password and confirm

API Documentation

bofh's Kerberos5 cheat sheet, or "what the fuck does *that* error message mean, exactly?"

- If GSSAPI complains about "Wrong Principal in Request", make sure there's no clockskew on the machine trying to get the service ticket and the machine running the service that you are trying to get a GSS token to. This will cause this error for some insane reason, despite there being ANOTHER message for clockskew that specifically says "your clocks are off, dumbass" - it just never seems to be used in the source code anywhere (as of MIT-KRB5 1.9, at least).