Full install of pyenv + virtualenv for ubuntu/debian

pyinstall.sh

sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev -y
sudo apt-get install libreadline-dev libffi-dev libsqlite3-dev wget libbz2-dev pkg-config liblzma-dev git -y

git clone https://github.com/pyenv/pyenv.git ~/.pyenv
cd ~/.pyenv && src/configure && make -C src

echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
echo 'command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(pyenv init -)"' >> ~/.bashrc

source ~/.bashrc

git clone https://github.com/pyenv/pyenv-virtualenv.git $(pyenv root)/plugins/pyenv-virtualenv
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc

source ~/.bashrc

# pyenv install 3.9.2
# pyenv virtualenv 3.9.2 my_env