Answers for "how to activate virtual environment in ubuntu 20.04"

create venv ubuntu 20.04

sudo apt-get install python3-venv

 python3 -m venv .venv

how to activate virtual environment in ubuntu 20.04

python3 -m venv .venv

how to activate virtual environment in ubuntu 20.04

pip3 install virtualenv

Collecting virtualenv
  Downloading https://files.pythonhosted.org/packages/f7/69/9a07/virtualenv-16.7.4-py2.py3-none-any.whl (3.3MB)
    100% |████████████████████████████████| 3.3MB 448kB/s
Installing collected packages: virtualenv
Successfully installed virtualenv-20.0.14