Setting the NLS_LANG Environment Variable for Oracle Databases:
It would also be advisable to set env variable in your
.bash_profile [on start up script]
This is the place where other ORACLE env variables (ORACLE_SID, ORACLE_HOME) are usually set.
First of all you need to download Instant Client Downloads. Install alien software so you can install rpm packages by typing following command in terminal.
sudo apt-get install alien
Once that is done, go to the folder where the rpm files are located and execute the following:
Nicest way to install Oracle XE on any operating system (for development) is Docker. Docker is an application container for Mac, Linux and Windows. It is based on LXC and gives you the ability to package complete application including their dependencies to a self-containing file (called an image). These images can be exchanged and run on every Linux machine where Docker is installed! Awesome!