try to install JetPack-L4T-3.1-linux-x64.
1, Create a folder JetPack at /Home
2, Copy the JetPack-L4T-3.1-linux-x64.run into the folder
3, Console mode,
then, Creating directory _installer
verifying archive integrity… All good.
Uncompressing JetPack 100%
Show me a xmessage box
“Error. JetPack Must be run on Ubuntu platform. Please check your platform and retry”
I confirmed my system several times, That’s really Ubutu 14.04 LTS