Python virtual environment in Ubuntu

Installation in ubuntu 18.04

sudo apt-get install virtualenv

Installation in ubuntu 14.04

sudo apt-get install python-virtualenv

Examples

Create new virtual environment with python version 2.7
#: virtualenv venv
Activate virtual environment
#: source venv/bin/activate
or
#: source venv/Scripts/activate


Use command deactivate to deactivate environment.