Installing Latest Erlang and Elixir on Ubuntu 20+

install_elixir_ubuntu21-10.bash

# Install the Erlang Solutions apt key; Alternative way https://askubuntu.com/questions/1286545/what-commands-exactly-should-replace-the-deprecated-apt-key
wget https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc
sudo apt-key add erlang_solutions.asc

# 'focal' is the latest available but an empty 'impish' directory exists and will probably be ready soon
sudo echo 'deb https://packages.erlang-solutions.com/ubuntu focal contrib' | sudo tee /etc/apt/sources.list.d/erlang-solutions.list
sudo apt update
sudo apt install esl-erlang elixir

As of today, this installs Erlang/OTP 24 [erts-12.0.2] and Elixir 1.12.0 (compiled with Erlang/OTP 24)