How to audit SE elections results file on Ubuntu?

OpenSTV is in the Ubuntu repositories, all you need to do is install it with

sudo apt-get install openstv

You can run it on the election results file (the .blt file) you downloaded with

openstv-run-election MeekSTV askubuntu-com-2016-election-results.blt 

Which will tell you exactly what it did.

If you want to know how it all works, there's a detailed summary here: How are moderator election votes counted, in plain English?

Use openstv You can download it from the universe repositories.

sudo apt-get install openstv

And the result you can get like this:

wget -O ballot.blt http://askubuntu.com/election/download-result/5
openstv-run-election -r TextReport MeekSTV ballot.blt