Você pode tentar:
$ wget http://pypi.python.org/packages/2.4/s/setuptools/setuptools-0.6c11-py2.4.egg#md5=bd639f9b0eac4c42497034dec2ec0c2b
$ chmod a+x setuptools-0.6c11-py2.4.egg
$ ./setuptools-0.6c11-py2.4.egg
$ easy_install virtualenv
$ cd ~/data
$ virtualenv env