Linux method for installing Python virtual environment virtualenv

1. Install virtulenv and virtulenvwrapper packages

pip install virtualenv virtualenvwrapper

2. virtualenvwrapper is an extension tool of virtualenv, which can easily create, delete, copy and switch different virtual environments.

3. Set the environment variable and add the following two lines to ~/.bash_profile

export WORKON_HOME=/software/venv
source /usr/local/bin/virtualenvwrapper.sh

4. Enable environment variables: source ~/.bash_profile

5. Operation command

Creating a virtual environment: mkvirtualenv [virtual environment name]

List virtual environments: lsvirtualenv

Switch virtual environment: workon [virtual environment name]