Installation: On Bash on Ubuntu on Windows

On Bash on Ubuntu on Windows

Crystal doesn't support Windows yet, but if you're using Windows 10 you can (experimentally) try Crystal using Bash on Ubuntu on Windows, an experimental Bash environment running on Windows. The installation instructions are the same as for Debian/Ubuntu, but there are a few rough edges to be aware of.

Don't forget - this is highly experimental.

Setup repository

First you have to add the repository to your APT configuration. For easy setup just run in your command line:

curl https://dist.crystal-lang.org/apt/setup.sh | sudo bash

That will add the signing key and the repository configuration. If you prefer to do it manually, execute the following commands:

sudo apt-key adv --keyserver keys.gnupg.net --recv-keys 09617FD37CC06B54
echo "deb https://dist.crystal-lang.org/apt crystal main" | sudo tee /etc/apt/sources.list.d/crystal.list
sudo apt-get update

Dependencies

Crystal needs a C compiler (cc) and linker (ld) to be able to compile Crystal programs - so you should install them:

sudo apt-get install clang binutils

Install

Once the repository is configured and you have the dependencies, you're ready to install Crystal:

sudo apt-get install crystal

Upgrade

When a new Crystal version is released you can upgrade your system using:

sudo apt-get update
sudo apt-get install crystal