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The preferred way of changing passwords is to do it online. This does not require a staffer to be present to change the user's password. Only use the command line chpass if this is not suitable. An example is, for group accounts or users that send notarized letters to the OCF.
Python script that changes a user's kerberos principal password using a specified staff/root principal.
~$ chpass andromeda
Changes user andromeda's password
You can run chpass on any server.
raphtown@pileup:~$ chpass andromeda OCF Change Password Program WARNING: If you are resetting/changing a password for an OCF staff member, you acknowledge that you may potentially modify some of the privileges that the staff member may have. Changing password for: andromeda:*:1615:20:Andromeda Centauri,The OCF,,:/home/a/an/andromeda:/opt/share/utils/bin/sorried
Let the user type in his new password (and verify it). Requirements are for passwords to be at least 8 characters long. It is helpful to indicate that nothing will show up when the user starts typing.
Enter New Password: Verify password: Connecting to kerberos.ocf.berkeley.edu...
Now type in your kerberos root principal password. If you don't have one you can't change passwords!
Please enter the password for principal raphtown/root: andromeda@OCF.BERKELEY.EDU's Password: Verifying - andromeda@OCF.BERKELEY.EDU's Password: raphtown/root@OCF.BERKELEY.EDU's Password: Successfully changed heimdal kerberos principal