Ubuntu Python virtual environment

Establish virtual environment

Update the Ubuntu source first

$ sudo apt-get update

Installing the python 3-venv module

$ sudo apt-get install pyton3-venv

Establish virtual environment

$ python3 -m venv [env_name]

[env_ Name] is the name of the virtual environment

If you are using an earlier version of python, you can’t use the venv module. You can install itvirtualenv
Installing using pip

$ pip install --user virtualenv

Install using apt get

$ sudo apt-get install python-virtualenv

Establish virtual environment

$ virtualenv [env_name]

If you have multiple versions of Python installed on your system, you need to specify the version used by virtualenv, for example, python 3

$ virtualenv [env_name] --python=python3

Activate virtual environment

$ source [env_name]/bin/activate

Shut down the virtual environment

$  deactivate