On Ubuntu

First download the latest version of Miniconda3 and run it to install.

  wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
  sh Miniconda3-latest-Linux-x86_64.sh

Follow the instructions on screen replying yes when necessary. Restart your terminal window to apply modifications. After restarting, you can type the command below to install Mamba:

  conda init
  conda install -n base -c conda-forge mamba