-fn2. If you use Ubuntu 16.04 ("xenial"), you need to create @/etc/apt/preferences.d/arvados@ with these contents:
-
-<pre>
-Package: *
-Pin: origin "apt.arvados.org"
-Pin-Priority: 501
-</pre>
-
-This gives packages from apt.arvados.org a slight priority over the default Ubuntu 16.04 ("xenial") packages, so that dependencies on older versions of certain packages get installed automatically. Specificaly, this affects the python-pycurl and python-oauth2client packages provided in the Arvados apt repositories.
-