Software Engineering
Build a Multi-server LEMP stack using Ansible
My objective in this post is to explore the use of Ansible to configure a multi-server LEMP...
Daniel Watrous
I'm a Software & Electrical Engineer and online entrepreneur.
Software Engineering
Using Vagrant to Explore Ansible
Last week I wrote about Vagrant, a fantastic tool to spin up virtual development environments. Today I’m...
Software Engineering
Using Vagrant to build a LEMP stack
I may have just fallen in love with the tool Vagrant. Vagrant makes it possible to quickly...
Software Engineering
Craft vs. Delivery in Software Development
As a software engineer I love well crafted software. Carefully chosen abstractions, effective use of patterns, thorough...
Software Engineering
Load Testing with Locust.io
I’ve recently done some load testing using Locust.io. The setup was more complicated than other tools and...
Software Engineering
Load Testing Alternatives for Large Scale Web Applications
Load testing web applications is a big deal in a day of web scale traffic. There are...
Software Engineering
Detecting Credit Card Fraud – Frequency Algorithm
About 13 years ago I created my first integration with Authorize.net for a client who wanted to...
Software Engineering
Analyze Tomcat Logs using PIG (hadoop)
In a previous post I illustrated the use of Hadoop to analyze Apache Tomcat log files (catalina.out)....
Software Engineering
Hadoop Scripts in Python
I read that Hadoop supports scripts written in various languages other than Java, such as Python. Since...
Software Engineering
Hadoop Takes Compressed Files (gzip, bzip2) as Direct Input
The log rotation mechanism on my servers automatically compresses (gzip) the rotated log file to save on...