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<!DOCTYPE html>
<html lang="en">
<head>
<title>Modesto Mas | Data/Python/DevOps Engineer</title>
<meta charset="utf-8">
<meta property="og:title" content="Modesto Mas | Data/Python/DevOps Engineer">
<meta property="og:site_name" content="Modesto Mas | Blog">
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<meta name="description" content="Blog about programming and Math">
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</head>
<body class="entry-list">
<header>
<div>
<img src="https://mmas.github.io/images/profile.jpg">
<a class="brand" href="/">Modesto Mas</a>
<span>Data/Python/DevOps Engineer</span>
<nav>
<ul>
<li><a href="/tags">Tags</a></li>
<li><a href="https://github.com/mmas/mmas.github.io/issues" target="_blank">Issues</a></li>
</ul>
</nav>
</div>
</header>
<section id="content" role="main">
<article>
<header>
<h1><a href="/run-docker-registry-self-signed-certificate-ansible">Run our own Docker registry with self-signed certificate with Ansible</a></h1>
<time datetime="2023-04-20">Apr 20, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=docker">docker</a>
<a class="tag" href="/tags?tag=networking">networking</a>
<a class="tag" href="/tags?tag=nginx">nginx</a>
<a class="tag" href="/tags?tag=vault">vault</a>
</header>
</article>
<article>
<header>
<h1><a href="/hashicorp-vault-certificate-authority-ca-ansible">Hashicorp Vault as certificate authority with Ansible</a></h1>
<time datetime="2023-04-17">Apr 17, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=networking">networking</a>
<a class="tag" href="/tags?tag=vault">vault</a>
</header>
</article>
<article>
<header>
<h1><a href="/install-pihole-local-dns-ansible">Install Pi-hole and manage local DNS with Ansible</a></h1>
<time datetime="2023-04-14">Apr 14, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=networking">networking</a>
<a class="tag" href="/tags?tag=pihole">pihole</a>
</header>
</article>
<article>
<header>
<h1><a href="/kubernetes-cluster-kubeadm-containerd-ansible">Create Kubernetes cluster using kubeadm and containerd with Ansible</a></h1>
<time datetime="2023-04-04">Apr 04, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=kubernetes">kubernetes</a>
</header>
</article>
<article>
<header>
<h1><a href="/wtforms-images-storage-s3">WTForms with images in data-storage services</a></h1>
<time datetime="2023-03-31">Mar 31, 2023</time>
<a class="tag" href="/tags?tag=flask">flask</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=sqlalchemy">sqlalchemy</a>
<a class="tag" href="/tags?tag=wtforms">wtforms</a>
</header>
</article>
<article>
<header>
<h1><a href="/manage-nginx-sites-and-cloudflare-dns-with-ansible">Manage Nginx sites and Cloudflare DNS with Ansible</a></h1>
<time datetime="2023-03-29">Mar 29, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=networking">networking</a>
<a class="tag" href="/tags?tag=nginx">nginx</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/install-mysql-schedule-backups-ansible">Install MySQL and schedule backups with Ansible</a></h1>
<time datetime="2023-03-29">Mar 29, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=bash">bash</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=mysql">mysql</a>
</header>
</article>
<article>
<header>
<h1><a href="/install-postgres-schedule-backups-ansible">Install Postgres and schedule backups with Ansible</a></h1>
<time datetime="2023-03-29">Mar 29, 2023</time>
<a class="tag" href="/tags?tag=ansible">ansible</a>
<a class="tag" href="/tags?tag=bash">bash</a>
<a class="tag" href="/tags?tag=homelab">homelab</a>
<a class="tag" href="/tags?tag=postgresql">postgresql</a>
</header>
</article>
<article>
<header>
<h1><a href="/sort-date-proximity-elasticsearch-script">Sorting by date proximity in Elasticsearch</a></h1>
<time datetime="2017-07-10">Jul 10, 2017</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=elasticsearch">elasticsearch</a>
<a class="tag" href="/tags?tag=painless">painless</a>
</header>
</article>
<article>
<header>
<h1><a href="/services-python-threads-tornado-rabbitmq">Running services in Python as threads: Tornado server and RabbitMQ client</a></h1>
<time datetime="2017-07-07">Jul 07, 2017</time>
<a class="tag" href="/tags?tag=multithreading">multithreading</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=rabbitmq">rabbitmq</a>
<a class="tag" href="/tags?tag=tornado">tornado</a>
</header>
</article>
<article>
<header>
<h1><a href="/image-affine-mapping-numpy">Image affine mapping in Numpy</a></h1>
<time datetime="2016-08-18">Aug 18, 2016</time>
<a class="tag" href="/tags?tag=geometric-transformations">geometric-transformations</a>
<a class="tag" href="/tags?tag=geometry">geometry</a>
<a class="tag" href="/tags?tag=image-processing">image-processing</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/pageviews-flask-cassandra">Collect pageviews with Flask and Cassandra</a></h1>
<time datetime="2016-07-10">Jul 10, 2016</time>
<a class="tag" href="/tags?tag=cassandra">cassandra</a>
<a class="tag" href="/tags?tag=data-warehousing">data-warehousing</a>
<a class="tag" href="/tags?tag=flask">flask</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=web-analytics">web-analytics</a>
</header>
</article>
<article>
<header>
<h1><a href="/brent-julia">Brent's method in Julia</a></h1>
<time datetime="2016-06-29">Jun 29, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/inverse-quadratic-interpolation-julia">Inverse quadratic interpolation in Julia</a></h1>
<time datetime="2016-06-27">Jun 27, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/ridders-julia">Ridders' method in Julia</a></h1>
<time datetime="2016-06-24">Jun 24, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/regula-falsi-julia">Regula falsi method in Julia</a></h1>
<time datetime="2016-06-21">Jun 21, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/secant-julia">Secant method in Julia</a></h1>
<time datetime="2016-06-20">Jun 20, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/mongodb-seconds-to-minutes">Convert seconds to minutes in MongoDB</a></h1>
<time datetime="2016-06-14">Jun 14, 2016</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=data-warehousing">data-warehousing</a>
<a class="tag" href="/tags?tag=mongodb">mongodb</a>
</header>
</article>
<article>
<header>
<h1><a href="/linear-transformations-numpy">Linear transformations in Numpy</a></h1>
<time datetime="2016-06-11">Jun 11, 2016</time>
<a class="tag" href="/tags?tag=geometric-transformations">geometric-transformations</a>
<a class="tag" href="/tags?tag=geometry">geometry</a>
<a class="tag" href="/tags?tag=matplotlib">matplotlib</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/newton-julia">Newton-Raphson method in Julia</a></h1>
<time datetime="2016-04-26">Apr 26, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/conics-matplotlib">Drawing conics in Matplotlib</a></h1>
<time datetime="2016-04-21">Apr 21, 2016</time>
<a class="tag" href="/tags?tag=algebraic-geometry">algebraic-geometry</a>
<a class="tag" href="/tags?tag=geometry">geometry</a>
<a class="tag" href="/tags?tag=matplotlib">matplotlib</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/bisection-method-julia">Bisection method in Julia</a></h1>
<time datetime="2016-04-18">Apr 18, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=root-finding">root-finding</a>
</header>
</article>
<article>
<header>
<h1><a href="/simpson-integration-julia">Simpson's rule in Julia</a></h1>
<time datetime="2016-04-15">Apr 15, 2016</time>
<a class="tag" href="/tags?tag=julia">julia</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=numerical-integration">numerical-integration</a>
</header>
</article>
<article>
<header>
<h1><a href="/sqlalchemy-serialize-json">SQLAlchemy JSON serialization</a></h1>
<time datetime="2015-11-26">Nov 26, 2015</time>
<a class="tag" href="/tags?tag=flask">flask</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=sqlalchemy">sqlalchemy</a>
</header>
</article>
<article>
<header>
<h1><a href="/analyze-apache-access-log-pandas">Analyze Apache HTTP server access log with Pandas</a></h1>
<time datetime="2015-11-23">Nov 23, 2015</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=pandas">pandas</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/read-apache-access-log-pandas">Read Apache HTTP server access log with Pandas</a></h1>
<time datetime="2015-11-15">Nov 15, 2015</time>
<a class="tag" href="/tags?tag=pandas">pandas</a>
<a class="tag" href="/tags?tag=python">python</a>
</header>
</article>
<article>
<header>
<h1><a href="/least-squares-fitting-numpy-scipy">Least squares fitting with Numpy and Scipy</a></h1>
<time datetime="2015-11-11">Nov 11, 2015</time>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=optimization">optimization</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=scipy">scipy</a>
</header>
</article>
<article>
<header>
<h1><a href="/optimization-scipy">Optimization methods in Scipy</a></h1>
<time datetime="2015-11-07">Nov 07, 2015</time>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=optimization">optimization</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=scipy">scipy</a>
</header>
</article>
<article>
<header>
<h1><a href="/interpolation-scipy">Interpolation methods in Scipy</a></h1>
<time datetime="2015-10-28">Oct 28, 2015</time>
<a class="tag" href="/tags?tag=interpolation">interpolation</a>
<a class="tag" href="/tags?tag=numerical-analysis">numerical-analysis</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=scipy">scipy</a>
</header>
</article>
<article>
<header>
<h1><a href="/querying-hive">Querying in Hive</a></h1>
<time datetime="2015-10-21">Oct 21, 2015</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=data-warehousing">data-warehousing</a>
<a class="tag" href="/tags?tag=hadoop">hadoop</a>
<a class="tag" href="/tags?tag=hive">hive</a>
</header>
</article>
<article>
<header>
<h1><a href="/loading-data-hive">Loading data into Hive</a></h1>
<time datetime="2015-10-15">Oct 15, 2015</time>
<a class="tag" href="/tags?tag=data-warehousing">data-warehousing</a>
<a class="tag" href="/tags?tag=hadoop">hadoop</a>
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<time datetime="2015-10-02">Oct 02, 2015</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=data-warehousing">data-warehousing</a>
<a class="tag" href="/tags?tag=hadoop">hadoop</a>
<a class="tag" href="/tags?tag=hive">hive</a>
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<h1><a href="/data-analysis-apache-pig-practical-introduction">Data analysis with Apache Pig. A practical introduction</a></h1>
<time datetime="2015-09-12">Sep 12, 2015</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=hadoop">hadoop</a>
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<h1><a href="/hadoop-streaming-practical-introduction-mapreduce-python">Hadoop Streaming. Practical introduction to MapReduce with Python</a></h1>
<time datetime="2015-09-11">Sep 11, 2015</time>
<a class="tag" href="/tags?tag=data-processing">data-processing</a>
<a class="tag" href="/tags?tag=hadoop">hadoop</a>
<a class="tag" href="/tags?tag=mapreduce">mapreduce</a>
<a class="tag" href="/tags?tag=python">python</a>
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<h1><a href="/freelance-invoices-manager">Freelance invoices manager</a></h1>
<time datetime="2015-03-10">Mar 10, 2015</time>
<a class="tag" href="/tags?tag=django">django</a>
<a class="tag" href="/tags?tag=python">python</a>
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<h1><a href="/python-image-processing-libraries-performance-opencv-scipy-scikit-image">Python image processing libraries performance: OpenCV vs Scipy vs Scikit-Image</a></h1>
<time datetime="2015-02-16">Feb 16, 2015</time>
<a class="tag" href="/tags?tag=image-processing">image-processing</a>
<a class="tag" href="/tags?tag=numpy">numpy</a>
<a class="tag" href="/tags?tag=opencv">opencv</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=scikit-image">scikit-image</a>
<a class="tag" href="/tags?tag=scipy">scipy</a>
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<h1><a href="/simple-web-analytics-python-pandas">Simple web analytics with Python and Pandas</a></h1>
<time datetime="2015-02-13">Feb 13, 2015</time>
<a class="tag" href="/tags?tag=data-analysis">data-analysis</a>
<a class="tag" href="/tags?tag=pandas">pandas</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=web-analytics">web-analytics</a>
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<h1><a href="/web-visits-data-analytics-javascript-python--geoip">Getting web visits data for analytics with Javascript, Python and GeoIP</a></h1>
<time datetime="2015-02-11">Feb 11, 2015</time>
<a class="tag" href="/tags?tag=data-processing">data-processing</a>
<a class="tag" href="/tags?tag=geoip">geoip</a>
<a class="tag" href="/tags?tag=javascript">javascript</a>
<a class="tag" href="/tags?tag=python">python</a>
<a class="tag" href="/tags?tag=web-analytics">web-analytics</a>
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