hdknr@deblen:~/vision/djvision/djvision$ python manage.py shell
Python 2.5.2 (r252:60911, Jan  4 2009, 17:40:26)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> import debug_toolbar
>>> dir(debug_toolbar)
['VERSION', '__builtins__', '__doc__', '__file__', '__name__', '__path__', '__version__']

hdknr@deblen:~/vision/djvision/djvision$ vi settings.py

MIDDLEWARE_CLASSES = (                                    
    'django.middleware.common.CommonMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'debug_toolbar.middleware.DebugToolbarMiddleware',      #HDKNR
)

ローカルホストとVMホストのアドレスを追加。
# debug_toolbar
INTERNAL_IPS =('127.0.0.1','192.168.2.1','192.168.2.2', )
DEBUG_TOOLBAR_PANELS = (
     'debug_toolbar.panels.version.VersionDebugPanel',
     'debug_toolbar.panels.timer.TimerDebugPanel',
     'debug_toolbar.panels.headers.HeaderDebugPanel',
     'debug_toolbar.panels.request_vars.RequestVarsDebugPanel',
     'debug_toolbar.panels.sql.SQLDebugPanel',
     'debug_toolbar.panels.cache.CacheDebugPanel',
     'debug_toolbar.panels.template.TemplateDebugPanel',
     )

動かしてみるとエラー。

deblen:/home/sites/proj.hdknr.deb/logs# tail error.log
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]     response.content = replace_insensitive(smart_unicode(response.content), u'</body>', smart_unicode(self.debug_toolbar.render_toolbar() + u'</body>'))
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]   File "/usr/lib/python2.5/site-packages/django_debug_toolbar-0.7.0-py2.5.egg/debug_toolbar/toolbar/loader.py", line 72, in render_toolbar
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]     'BASE_URL': self.request.META.get('SCRIPT_NAME', ''),
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]   File "/var/lib/python-support/python2.5/django/template/loader.py", line 102, in render_to_string
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]     t = get_template(template_name)
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]   File "/var/lib/python-support/python2.5/django/template/loader.py", line 80, in get_template
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]     source, origin = find_template_source(template_name)
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]   File "/var/lib/python-support/python2.5/django/template/loader.py", line 73, in find_template_source
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1]     raise TemplateDoesNotExist, name
[Wed Jul 15 05:03:01 2009] [error] [client 192.168.2.1] TemplateDoesNotExist: debug_toolbar/base.html

テンプレートパスが足りない。
hdknr@deblen:~/vision/djvision/djvision$ vi settings.py
TEMPLATE_DIRS = (
    os.path.join(os.path.abspath(os.path.dirname(__file__)),'templates'),
    '/home/hdknr/django/django-debug-toolbar/debug_toolbar/templates',
)