Stevewal released a new version of X-DSL on our forums - it's a small (about 50MBs) but fully functional Linux distribution for the Xbox1, based on Damn Small Linux:

Xdsl 0.7 beta is based on Dsl 4.4.3
Please list any bugs you encounter, and I will fix them for the next release.

Official Site and Download: http://www.x-dsl.org/wiki/Main_Page

http://forums.xbox-scene.com/index.php?showtopic=667771