Answers for "create virtualenv in python linux"

linux create virtualenv

# Install virtualenv using pip3
sudo pip3 install virtualenv

# Create virtualenv
virtualenv venv
virtualenv -p python3 venv # To create virtualenv with python3 for example
virtualenv -p /usr/bin/python2.7 # To create virtualenv with Python interpreter of your choice

# Activate virtualenv
source venv/bin/activate

# Desactivate venv
deactivate

create a virtualenv python

pip install virtualenv
cd projectfolder #go to project folder
virtualenv projectname #create the folder projectname 
source projectname/bin/activate