If WAS can be installed on Ubuntu, how to config & install?
In the next link you have the Linux distributions offically supported by WebSphere Application Server 8.5
Only AsianLinux, Red Hat Enterprise Linux and Suse Linux Enterprise are officialy supported, not Ubuntu.
Though Ubuntu to is not an supported OS by IBM for WebSphere, it is possible to install WebSphere Application Server (WAS) 8.5 on Ubuntu for development environment.
You need to install some prerequisites packages. Run following command to install the same.
Change the default shell. sudo mv /bin/sh /bin/sh.org sudo ln -s /bin/bash /bin/sh