You'll need dotnet installed*. Simply run dotnet run in the src/app directory.

* Don't forget to set the environmental variable DOTNET_CLI_TELEMETRY_OPTOUT=true to prevent telemetry.

Output (currently anyway):

CPU:      Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
Distro:   Gentoo/Linux
Hostname: gentoo
Kernel:   5.10.10-ck-VALLEY
Shell:    /bin/bash
User:     valley
Music:    Nothingface - Sleeper