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Wednesday, April 17, 2024
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markcallen

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Connecting Feature Flags with DORA Metrics

I wrote an article for Devcycle on how to use feature flags to improve DORA metrics: https://devcycle.com/blog/connecting-feature-flags-and-dora-metrics

Non-boolean Feature Flags

I wrote an article on how to use a non-boolean feature flag to change a page at a specific time using Devcycle. You...

VIM & Tmux Basics

Why? Vi (vim) is the only editor you can be guaranteed to have on a Linux machine. If you ever have to log into a...

Upgrading from Ubuntu 12.10 to 14.04

Seems that a few of my instances in AWS were originally setup using Ubuntu 12.10.  Don't know how that happened, but anyways.  Now that...

Vagrant machine status

If you need to get the status of a vagrant machine you can run the following in a command window: vagrant status aws --machine-readable |...

AWS SNS and SQS Example using NodeJS

Using SNS and SQS and Example using NodeJS Motivation I wanted to test out using the new aws-sdk with Amazon Web Services (AWS) SNS and SQS...

OpenSUSE 11.1 for Vagrant

Seems that last week I needed an openSUSE 11.1  VM to test out some chef scripts.  Vagrant Cloud which is a great place to find...

Dependency Walker

Currently working out a build system for a windows application.  Found this was helpful when trying to figure out which dlls where being used...

Nginx Deny IP

This is a quick way to deny an ip address accessing your nginx server. Create a new file in /etc/nginx/conf.d called blockips.conf Add the following to...

Disable WordPress XML-RFP (pingback)

In March there was a DDOS attack that used many (160,000) wordpress sites to flood other websites.  This was done because wordpress now has...

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