The official guide in elixir site is not up-to-date.
Install Erlang (extract from https://elinux.org/Erlang)
sudo apt-get update
sudo apt-get install wget
sudo apt-get install libssl-dev
sudo apt-get install ncurses-dev
wget http://www.erlang.org/download/otp_src_24.0.tar.gz
tar -xzvf otp_src_24.0.tar.gz
cd otp_src_24.0/
./configure
make
sudo make install
cd ..
rm otp_src_24.0.tar.gz
sudo rm -R otp_src_24.0/
Install Elixir from source:
wget https://github.com/elixir-lang/elixir/archive/v1.12.3.tar.gz
tar -xvzf v1.12.3.tar.gz
make install
Please install elixir v1.11.x for phoenix 1.5.x
Refernece: https://github.com/elixir-lang/elixir-lang.github.com/issues/1510#issuecomment-830746952
It is pretty clumsy to connect monitor, mouse and keyboard for just setting up raspberrypi. Here is the way to avoid it.
Set up Raspberry OS, wifi and ssh support
- Download Raspberry Pi Imager
2. Run Raspberry Pi Imager