[Zope] Newbie - can't log in to localhost:8080/manage

[peter]

Apologies if this has already been answered elsewhere.  I couldn't find 
anything suitable in recent archives, but if it has already been 
answered, a URL would be much appreciated.

I've just installed Zope version 2.7.2-5.1 under SuSE 9.2 Pro, using 
apt.  The installation is fine and localhost:8080 comes up just fine as 
expected.  However, I can't log in to the management site at 
localhost:8080/manage.

I've run zpasswd.py access and zpasswd.py inituser:

-----------------------------------------------------------------
linux:/opt/zope/bin # ./zpasswd.py access
Username: admin
Password:
Verify password:

Please choose a format from:

SHA - SHA-1 hashed password (default)
CRYPT - UNIX-style crypt password
CLEARTEXT - no protection

Encoding:
Domain restrictions:
linux:/opt/zope/bin #

------------------------------------------------------------------
linux:/opt/zope/bin # ./zpasswd.py inituser
Username: peter
Password:
Verify password:

Please choose a format from:

SHA - SHA-1 hashed password (default)
CRYPT - UNIX-style crypt password
CLEARTEXT - no protection

Encoding: SHA
Domain restrictions:
linux:/opt/zope/bin #

---------------------------------------------------------------------

I ran both these with zope disabled and then re-started zope: but I 
still can't get a password accepted when I try to login to the 
management page.

Could somebody please put me out of my misery.  I'm sure I've missed 
something very elementary.

Thanks in advance

Peter