Cloud9 IDEでJupyter ref: http://qiita.com/vochicong/items/cdf2c55a6b3cf0a17454

file0.txt

$ pip install --upgrade pip
$ pip install --user --upgrade virtualenv
$ export PATH=~/.local/bin/:$PATH
$ which virtualenv
/home/ubuntu//.local/bin/virtualenv

file1.txt

$ export PJ=~/workspace/hanson-ml
$ mkdir -p $PJ && cd $PJ
$ virtualenv env
(env)$ source env/bin/activate
(env)$ pip install --upgrade jupyter
(env)$ python -c "import jupyter"
(env)$ jupyter --version
4.3.0

file2.txt

(env)$ jupyter notebook --port $PORT --ip $IP --no-browser
... The Jupyter Notebook is running at: 
http://0.0.0.0:8080/?token=TOKEN ...