I'm Assuming you are on a fresh install of Jarvis. Install PleX Server on Ubuntu
- Download Latest PleXBMC Add-on Zip File From https://github.com/hippojay/plugin.video.plexbmc/releases
- Install PlexBMC From Zip (Settings >> Add-ons >> Install from Zip)
- Install Amber Skin
- Now switch over to Amber and then go to Settings >> PlexBMC Settings >> Select Master Server
- Now Select "Go Plex" >> Settings >> Go Plex (And then YOU MUST RESTART KODI)
- UPDATE >> Sign in via Plex Username PWD.
Customize! (Your Videos should populate, but It can take time!)