ENV. Jetson AGX Xavier with JetPack 4.5.1 Ubuntu 18.04 Building From Source 1. Ensure apt-get is up to date $ sudo apt-get update && sudo apt-get upgrade Note: Use sudo apt-get dist-upgrade, instead of sudo apt-get upgrade, in case you have an older Ubuntu 14.04 version 2. Install Python and its development files via apt-get (Python 2 and 3 both work) $ sudo apt-get install python python-dev $ ..