wget https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc

sudo apt-key add erlang_solutions.asc

sudo apt-add-repository "https://packages.erlang-solutions.com/ubuntu yaketty contrib"

sudo apt-get update

sudo apt-get install erlang

open https://github.com/elixir-lang/elixir/releases/latest
wget https://github.com/elixir-lang/elixir/releases/download/v1.4.2/Precompiled.zip

unzip Precompiled.zip -d elixir

mv elixir ~/.bin/elixir

### Add ~/.bin to PATH
echo 'export PATH="${HOME}/.bin:$PATH"' >> ~/.bashrc
### Add elixir/bin to PATH
echo 'export PATH="$HOME/.bin/elixir/bin:$PATH"' >> ~/.bashrc

source ~/.bashrc

```
Erlang/OTP 19 [erts-8.3] [source] [64-bit] [smp:8:8] [async-threads:10] [kernel-poll:false]

Elixir 1.4.2
```

wget https://s3.amazonaws.com/rebar3/rebar
chmod +x rebar3
mv rebar3 ~/.bin/.