After your DBIC account has been created, you will need to login and change your password. To do this please connect to dexter.dartmouth.edu and via ssh and execute the kpasswd command. On a Mac you can open Terminal.app (Applications/Utilities/Terminal.app) and run the following command:
On Windows you can download Putty (putty.exe) from the following URL: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
Once you've connected run the kpasswd command (which will look something like this):
[jed@eros ~]$ kpasswd Changing password for 'jed' in cell 'dbic.dartmouth.edu'. Old password:
For additional information on using DBIC systems please see Using AFS.