MayDay!! MayDay!!!!

  I just installed Zope on another machine after using it for a while on
another machine.  It installed fine, but when I do ./start to start the
services the following is what I get:

root@host2:/home/Zope-2.0.0b3-src# ./start
------
1999-08-11T19:02:13 PROBLEM(100) ZServer Computing default hostname
------
1999-08-11T19:02:13 INFO(0) ZServer Medusa (V1.10) started at Thu Aug 12 03:02:1
3 1999
        Hostname: host2.csps.tyc.edu.tw
        Port:8080

------
1999-08-11T19:02:13 INFO(0) ZServer FTP server started at Thu Aug 12 03:02:13 19
99
        Authorizer:None
        Hostname: host2.csps.tyc.edu.tw
        Port: 8021
------
1999-08-11T19:02:13 INFO(0) ZServer Monitor Server (V1.5) started on port 8099
Traceback (innermost last):
  File "/home/Zope-2.0.0b3-src/z2.py", line 494, in ?
    pf = open(PID_FILE, 'w')
IOError: [Errno 13] Permission denied: '/home/Zope-2.0.0b3-src/var/Z2.pid'  

Seem I can't access var/Z2.pid.... but var/Z2.pid really exist.What happended :(

QWERTYAS Lee