Login to the Linux machine behind heroku

Run from within your apps local folder:

$ heroku run bash

Find out which Linux distro you're using:

~ cat /etc/issue

Ubuntu 10.04 LTS \n \l

~ cat /proc/version

Linux version 2.6.32-350-ec2 (buildd@batsu) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1) ) #57-Ubuntu SMP Thu Nov 15 15:59:03 UTC 2012

Find out more info about the distro:

~ cat /etc/*-release

DISTRIBID=Ubuntu
DISTRIBRELEASE=10.04
DISTRIBCODENAME=lucid
DISTRIBDESCRIPTION="Ubuntu 10.04 LTS"

Find more information here:
https://devcenter.heroku.com/articles/one-off-dynos
https://news.ycombinator.com/item?id=2602728
http://www.quora.com/Scalability/How-does-Heroku-work