How do I change my IAS password from Mac OS X?
To change your password from Mac OS X:
1. Open up the Terminal application.
2. SSH into ssh.math.ias.edu using your assigned user credentials.
3. Type passwd.
4. Enter your current password.
5. Enter your new password twice.
6. Assuming you successfully typed in your new password twice, you should receive a message saying that "all authentication tokens updated successfully."