Downloading the latest Miniconda installer for Linux. Your architecture may vary.
curl -O https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
bash Miniconda3-latest-Linux-x86_64.sh -b
/home/$USER/miniconda3/bin/conda init
bash
See https://docs.anaconda.com/free/miniconda/miniconda-install/ for other architectures