I am on an arm board, and apparently i can’t install nova-compute even though I’m strictly following steps from OpenStack docs. Well, here’s my environment:

Linux host 3.18.3 #2 SMP PREEMPT Wed Dec 9 16:31:02 KST 2015 armv7l armv7l armv7l GNU/Linux

Distributor ID: Ubuntu
Description: Ubuntu 14.04.3 LTS
Release: 14.04
Codename: trusty

Solution: Get and install python-posix-ipc, python-sqlalchemy 0.9.7-1, and python-sqlalchemy-ext 0.9.7-1

wget http://launchpadlibrarian.net/173895239/python-posix-ipc_0.9.8-2_armhf.deb
wget http://launchpadlibrarian.net/180776742/python-sqlalchemy-ext_0.9.7-1_armhf.deb
wget http://launchpadlibrarian.net/180776779/python-sqlalchemy_0.9.7-1_all.deb
dpkg -i ./python*.deb

enjoy your nova-compute