Oracle 11g DB QuickStart for Ubuntu 16.10 Yakkety
The Linked Tutorial Shows You Step-by-step How-to Install and Getting-Started with on Ubuntu 16.10 Yakkety Amd64 GNU / Linux.
Included on the Guide You find also the Links to Download the Oracle 11g Database for Ubuntu Linux.

Installing Oracle 11g Database for Ubuntu 16.10 Yakkety
Oracle 11g DB Installation on Ubuntu 16.10 Yakkety Amd64