[Zope] IOError: [Errno 13] Permission denied (Zope 2.7.3)

[Magnus Lawrie]

I installed python 2.3.4 and then zope 2.7.3 from source and ran 
mkzopeinstance.py, but am experiencing a problem with privileges. I 
gather that I have to change some, but I do not know exactly how to do 
that. I have looked at

http://www.plope.com/Books/2_7Edition/InstallingZope.stx

And this post:

http://www.gossamer-threads.com/lists/zope/users/177930

...but am no clearer.

Runzope results in:

IOError: [Errno 13] Permission denied: 
'/home/mdl/zope-instance/var/Data.fs.lock '

Also, is there any special procedure for removing an instance?

thanks again,