Mine
public text v1 · immutable(http://trac.edgewall.org/wiki/WebAdmin) (INSTALLED)
cd /usr/share/trac/plugins
svn co http://svn.edgewall.com/repos/trac/sandbox/webadmin/
cd webadmin
python setup.py bdist_egg
cd dist
easy_install-2.4 --always-unzip TracWebAdmin-0.1.2dev_r4429-py2.4.egg
nano /usr/share/trac/conf/trac.ini
(add following text into this NEW file)
[components]
webadmin.* = enabled
(save and close)
apache2 -k restart