Crossbar.io is a networking platform for distributed and microservice
applications. It is feature rich, scalable, robust and secure. Let
Crossbar.io take care of the hard parts of messaging so you can focus
on your app's features.
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install crossbar-pypy, simply use the following command: