removing link rot

mattmakai · mattmakai · commit 91610ce7d519 · 2021-09-13T20:34:08.000-04:00
diff --git a/content/pages/03-data/16-pandas.markdown b/content/pages/03-data/16-pandas.markdown
@@ -82,10 +82,6 @@ is a data structures and analysis library.
   [Tabula](https://tabula.technology/) library that makes it easier to
   extract table data from PDF files.
 
-* [Analyzing Browser History Using Python and Pandas](https://applecrazy.github.io/blog/2017-11-12/analyzing-browser-hist-using-python)
-  shows how to take data from Google Chrome and start to visualize it
-  with pandas and [matplotlib](/matplotlib.html).
-
 * [Time Series Forecast Case Study with Python: Monthly Armed Robberies in Boston](https://machinelearningmastery.com/time-series-forecast-case-study-python-monthly-armed-robberies-boston/)
   walks through the data wrangling, analysis and visualization steps
   with a public data set of murders in Boston from 1966 to 1975. This
diff --git a/content/pages/03-data/17-scipy-numpy.markdown b/content/pages/03-data/17-scipy-numpy.markdown
@@ -44,11 +44,6 @@ following resources are broader walkthroughs for the SciPy ecosystem:
   plotter. This is a very cool example project that ties together
   the scientific world and the art world.
 
-* [Lectures in Quantitative Economics: SciPy](https://lectures.quantecon.org/py/scipy.html)
-  provides a good overview of SciPy compared to the specific NumPy
-  project, as well as explanations for the wrappers SciPy provides 
-  over lower-level FORTRAN libraries.
-
 * [A plea for stability in the SciPy ecosystem](http://blog.khinsen.net/posts/2017/11/16/a-plea-for-stability-in-the-scipy-ecosystem/)
   presents concerns from one scientist's perspective about how fast the 
   Python programming ecosystem changes and that code can become backwards 
diff --git a/content/pages/03-data/21-matplotlib.markdown b/content/pages/03-data/21-matplotlib.markdown
@@ -21,10 +21,6 @@ toolkits.
   is an awesome getting started tutorial that breaks through the confusing
   beginner steps so you can quick start using the plotting library.
 
-* [Web Scraping With Python: Scrapy, SQL, Matplotlib To Gain Web Data Insights](http://www.scrapingauthority.com/python-scrapy-mysql-and-matplotlib-to-gain-web-data-insights/)
-  is a long and comprehensive tutorial that walks through obtaining, 
-  cleaning and visualizing data.
-
 * [Matplotlib Cheat Sheet: Plotting in Python](https://www.datacamp.com/community/blog/python-matplotlib-cheat-sheet)
   contains some handy snippets of code to perform common plotting operations
   in Matplotlib.
diff --git a/content/pages/05-deployment/32-configuration-management.markdown b/content/pages/05-deployment/32-configuration-management.markdown
@@ -32,10 +32,6 @@ operations, such as querying the database from the Django manage.py shell.
   is an openly biased but detailed post on why to choose SaltStack over 
   Ansible in certain situations.
 
-* [Ansible vs. Shell Scripts](https://valdhaus.co/writings/ansible-vs-shell-scripts/)
-  provides some perspective on why using a configuration management tool is a 
-  better choice than venerable but brittle shell scripts.
-
 * [Ansible vs. Chef](http://tjheeta.github.io/2015/04/15/ansible-vs-chef/)
   is a comparsion of Ansible with the Chef configuration management tool.
 
diff --git a/content/pages/05-deployment/33-ansible.markdown b/content/pages/05-deployment/33-ansible.markdown
@@ -38,9 +38,6 @@ be able to structure your playbooks:
   configures macOS with various applications and developer tools such as
   [Docker](/docker.html), Homebrew and [Sublime Text](/sublime-text.html).
   
-* [ansible-nginx-haproxy-elasticsearch](https://github.com/gp187/ansible-nginx-haproxy-elasticsearch)
-  sets up a server with [Nginx](/nginx.html), HAProxy and ElasticSearch.
-
 
 ### Specific Ansible topics
 * [An Ansible2 Tutorial](https://serversforhackers.com/c/an-ansible2-tutorial)
@@ -63,10 +60,6 @@ be able to structure your playbooks:
 
 * [DevOps from Scratch, Part 1: Vagrant & Ansible](https://www.kevinlondon.com/2016/09/19/devops-from-scratch-pt-1.html)
 
-* [Ansible: Post-Install Setup](https://valdhaus.co/writings/ansible-post-install/)
-
-* [How To Use Vault to Protect Sensitive Ansible Data on Ubuntu 16.04](https://www.digitalocean.com/community/tutorials/how-to-use-vault-to-protect-sensitive-ansible-data-on-ubuntu-16-04)
-
 * [How to use Ansible Variables and Vaults](https://www.expressvpn.com/blog/ansible-variables-vaults/)
 
 * [CI for Ansible playbooks which require Ansible Vault protected variables](https://www.jeffgeerling.com/blog/2017/ci-ansible-playbooks-which-require-ansible-vault-protected-variables)
