diff --git a/install.ubuntu.sh b/install.ubuntu.sh
index c64393c..94c414a 100644
--- a/install.ubuntu.sh
+++ b/install.ubuntu.sh
@@ -1,23 +1,37 @@
 #!/bin/bash
 
-sudo aptitude install python-dev python-setuptools libblas-dev liblapack-dev gfortran build-essential qhull-bin libqhull-dev
+PACKAGES="\
+build-essential \
+gfortran \
+python-dev \
+python-setuptools \
+libblas-dev \
+liblapack-dev \
+libqhull-dev \
+qhull-bin \
+"
+
+echo "we'll ask for your password to install a few things:"
+echo "like theses packages: $PACKAGES"
+
+sudo aptitude install -y $PACKAGES
 
 sudo easy_install pip
 sudo pip install mercurial
 
-
 sudo pip install virtualenv
 sudo pip install virtualenvwrapper
 
 mkdir ~/.virtualenvs
 echo 'source $(which virtualenvwrapper.sh)' >> .bashrc
+source $(which virtualenvwrapper.sh)
 
 mkvirtualenv --no-site-packages research
+workon research
 
 pip install numpy
 pip install scipy
 
-
 mkdir ~/src
 cd ~/src && hg clone https://mcquay.me/hg/research
 cd ~/src/research && python setup.py develop