Install pyenv on Linux Mint (or Debian) -- run as root or with sudo

install_pyenv_mint.sh

#!/bin/bash

apt update
apt install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
  libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
  xz-utils tk-dev libffi-dev liblzma-dev python-openssl git

curl https://pyenv.run | bash

# Load pyenv automatically by adding
# the following to ~/.bashrc:
cat << "EOF" >> "$HOME/.bashrc"
export PATH="/$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
EOF