I shared this on the MacAdmins Slack yesterday and wanted to cross post here.
We've added an additional session to JNUC on the first day (Tuesday, 4:00 PM slot) that is part presentation and part open discussion on an open source distribution server that I have been working on to be an alternative to the JDS (which has been discontinued).
The session is in the JNUC 2017 app but not listed on the website. Here's a direct link:
Here's my full post from yesterday if you want to learn a little more: