@@ -66,7 +66,7 @@ a major update compared with 2.7 in Ubuntu 14.04 LTS.
 
 #### Ubuntu Python Packages
 There are several 
-[Aptitude](https://help.ubuntu.com/12.04/serverguide/aptitude.html)
+[Aptitude](https://help.ubuntu.com/16.04/serverguide/aptitude.html)
 packages found on Linux servers running a Python stack. These packages are: 
 
 * [python-dev](http://packages.ubuntu.com/precise/python-dev) for header
 
@@ -34,7 +34,7 @@ the [proxy directive](https://caddyserver.com/docs/proxy).
   is a quick synopsis on installing Caddy along with a short example
   configuration file.
 
-* [HTTP 2.0 on localhost with Caddy](http://tobias.is/blog/test-http2-localhost-caddy-ssl/)
+* [HTTP 2.0 on localhost with Caddy](https://tobias.is/blogging/test-http2-localhost-caddy-ssl/)
   shows how to use a self-signed certificate with Caddy to do local 
   development with an HTTP/2 web server.
 
 
@@ -187,12 +187,6 @@ The following are WSGI servers based on community recommendations.
   to the WSGI standard. That transition period is now complete and an 
   implementation of WSGI should always be used instead mod\_python.
 
-* Nicholas Piël wrote an interesting benchmark blog post of 
-  [Python WSGI servers](http://nichol.as/benchmark-of-python-web-servers).
-  Note that the post is a few years old. Benchmarks should be considered
-  for their specific tested scenarios and not quickly extrapolated as general
-  "this server is faster than this other server" results.
-
 * [How to Deploy Python WSGI Applications with CherryPy](https://www.digitalocean.com/community/articles/how-to-deploy-python-wsgi-applications-using-a-cherrypy-web-server-behind-nginx)
   answers why CherryPy is a simple combination web and WSGI server along with 
   how to use it.
 
@@ -146,10 +146,6 @@ programming language agnostic. Learn more via the following resources or on
   includes advice on checking in code, commit tests and reverting to
   previous revisions.
 
-* [Deploying to AWS using Ansible, Docker and Teamcity](http://blog.bwhaley.com/deploying-to-aws-using-ansible-docker-and-teamcity)
-  is an example walking through one potential way to use the Teamcity CI
-  server for automated deployments.
-
 * [Why Continuous Integration Is Important](https://blog.codeship.com/continuous-integration-important/)
   is a high-level overview of how CI can build trust both among developers
   and between developers and non-technical people in an organization. The
 
@@ -76,7 +76,7 @@ from PyCon UK 2013
 
 * [Introducing Ansible into Legacy Projects](http://benlopatin.com/getting-started-with-ansible/)
 
-* [Post-install steps with Ansible](http://devopsu.com/guides/ansible-post-install.html) 
+* [Post-install steps with Ansible](https://hvops.com/articles/ansible-post-install/)
 
 * [6 practices for super smooth Ansible experience](http://hakunin.com/six-ansible-practices)
 
@@ -88,8 +88,6 @@ from PyCon UK 2013
 
 * [Idempotence, convergence, and other silly fancy words we often use](https://groups.google.com/forum/#!msg/Ansible-project/WpRblldA2PQ/lYDpFjBXDlsJ)
 
-* [How to Write an Ansible Role for Ansible Galaxy](http://probablyfine.co.uk/2014/03/27/how-to-write-an-ansible-role-for-ansible-galaxy/)
-
 * [Testing with Jenkins, Docker and Ansible](http://blog.mist.io/post/82383668190/move-fast-and-dont-break-things-testing-with)
 
 
 
@@ -44,10 +44,7 @@ on Amazon Web Services, Google Compute Engine, Linode, Rackspace or elsewhere.
 * [Andrew Baker](https://github.com/atbaker) presented a fantastic tutorial 
   at [PyOhio](http://andrewtorkbaker.com/pyohio-docker-101-tutorial) on 
   [beginner and advanced Docker usage](https://github.com/atbaker/docker-tutorial). 
-  Andrew also wrote the article [what containers can do for you](http://radar.oreilly.com/2015/01/what-containers-can-do-for-you.html)
-  and created the
-  [O'Reilly Introduction to Docker video](http://shop.oreilly.com/product/0636920035732.do) 
-  that's well worth buying.
+  Andrew also wrote the article [what containers can do for you](http://radar.oreilly.com/2015/01/what-containers-can-do-for-you.html).
 
 * [Docker curriculum](http://prakhar.me/docker-curriculum/) is a detailed
   tutorial created by a developer to show the exact steps for deploying an 
 
@@ -40,11 +40,7 @@ has support for both Python 2.7 and 3.6.
   deployments. Be sure to [read the Zappa blog](https://blog.zappa.io/)
   as well for walkthroughs and new feature announcements.
 
-* [First Steps with AWS Lambda, Zappa, Flask and Python 3](https://andrich.blog/2017/02/12/first-steps-with-aws-lambda-zappa-flask-and-python/)
-  shows how to use Zappa to deploy applications built with
-  Flask and Python 3.
-
-* [Deploying a serverless flask app to AWS lambda using Zappa](https://asciinema.org/a/98560)
+* [Deploying a serverless Flask app to AWS Lambda using Zappa](https://asciinema.org/a/98560)
   provides a screen capture of one developer deploying their
   application to Lambda.