Ubuntu 14 Python3.4でvenv
sudo apt-get install python3.4-venv pyvenv-3.4 targetdir cd targetdir source bin/activate
sudo apt-get install python3-venvだとnot foundなので python3.4-venv
sudo apt-get install python3.4-venv pyvenv-3.4 targetdir cd targetdir source bin/activate
sudo apt-get install python3-venvだとnot foundなので python3.4-venv