How to install virtual environment on ubuntu 16.04

install virtualenv ubuntu 16.04.md

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

Now create a virtual environment

virtualenv venv 

you can use any name insted of venv

You can also use a Python interpreter of your choice

virtualenv -p /usr/bin/python2.7 venv

virtualenv venv --python=python2

virtualenv venv --python=python3

Active your virtual environment:

source venv/bin/activate

To check python version

python -V

To check path of python interpreter

which python

To deactivate:

deactivate