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InGRAINd, RustFest, Barcelona, 2019.pdf


RustFest '19 Barcelona InGRAINd workshop materials

We have a number of options that will get you started quickly.

  1. A Raspberry Pi
  2. Vagrant on VirtualBox
  3. A real Linux box

A Vagrantfile is in this repository that will bootstrap everything you need to start working on ingraind and test your probes.

Using a Raspberry Pi/Cloud server

A Raspberry Pi is provided to attendants of the workshop. This is an alternative to the Vagrant/VBox setup, they are provisioned with the same script.

To connect to the Raspberry Pi, you will need an Ethernet cable. On the workshop, we provide a limited number of USB-Ethernet adapters that should work out of the box on Windows and Linux machines. For macOS, use driver included in this repo.

Once connected through Ethernet, the Raspberry Pi will answer to DHCP requests in the subnet.

You can SSH into the Pi using:

ssh root@

The password is ingrain.

There is also a NextCloud server running on HTTP, so you can access in a web browser.

Getting your Pi to access the Internet

On your Linux host machine. Note: replace wlp61s0 with your Wifi adaptor.

iptables -t nat -I POSTROUTING  -o wlp61s0 -j MASQUERADE
sysctl net.ipv4.ip_forward=1

On the Pi

ip ro add default via 10.13.37.<laptop ip>

Enter Vagrant

You will need 2GB free RAM, and about 8GB of free disk space to start the VM.

The following command will bring up the box, check out the ingraind repository, and build the master branch in debug mode.

vagrant up

The provisioner will do a debug build to make the subsequent builds quicker, and create a build cache. This is important, because the first build can take up to 15 minutes or so on a few years old laptop.

Using a Linux box

You are going to need the following installed:

  • LLVM 9
  • Linux 4.19+
  • Clang
  • CMake
  • OpenSSL
  • CapnProto
  • Docker & Docker Compose

For a Debian Testing (Bullseye), the full list of packages can be found in the Vagrantfile.

Note that you will need Ubuntu 9.10, or Fedora 31, both of which provide LLVM 9.

Once you installed all the dependencies, run

docker-compose up -d

Which is going to start a NextCloud instance on port 8080.

Running on macOS

Local setup

Check out this repo, and install the Rust toolchain on your computer to get started. You're going to need a nightly toolchain, too.

curl --proto '=https' --tlsv1.2 -sSf | sh
rustup default nightly

Make sure you have a working IDE configured for Rust, whether it's VIM, Emacs, or VS Code is up to you.

Install Vagrant/Virtualbox

If you have brew, this should be straightforward.

brew cask install virtualbox
brew cask install vagrant

On a box that doesn't have brew, you should download VirtualBox and Vagrant manually, and install them from the .dmg files.

You are going to need to got to System Preferences, authenticate, and enable the VirtualBox system extension to continue. This is a mandatory step due to macOS security requirements.

Running on Windows

I recommend using VirtualBox and Vagrant should you use Windows 10.

You should also install a Rust nightly toolchain on Windows from, and configure your IDE to use it.

WSL is untested, but it may work. You need kernel headers to compile ingraind, and I have not tried accessing Microsoft's tree. If you can get this working, please send a PR to this doc detailing how it works.

If you happen to use chocolatey, you can do the following steps:

choco install vagrant
choco install virtualbox

Reset XDP

ip link set dev eth0 xdp off	
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