Read more about the article JDataFrame API: Easily move data from Java to R
An example of the JDataFrame API being used to convert some data in Groovy into JSON that can then be converted into a data frame in the R Project for Statistical Computing via the RJSONIO library.

JDataFrame API: Easily move data from Java to R

The JDataFrame API is middleware that is used to convert data in Java into a data frame in the R Project for Statistical Computing.

Continue ReadingJDataFrame API: Easily move data from Java to R
Read more about the article Learn how to deliver faster, more reliable, & secure content
On Friday, May 22nd 2020, Erik Brandsberg, Chief Technical Officer (CTO) of Heimdall Data, reviewed the Heimdall Distributed Database Proxy.

Learn how to deliver faster, more reliable, & secure content

On Friday, May 22nd 2020, Erik Brandsberg, Chief Technical Officer (CTO) at Heimdall Data, reviewed the Heimdall Distributed Database Proxy (HD). The Heimdall Distributed Database Proxy is a SQL platform for application developers, database administrators, and infrastructure owners. Heimdall helps organizations deliver faster, more reliable, and secure content generation.

Continue ReadingLearn how to deliver faster, more reliable, & secure content
Read more about the article Scaling Beyond PostgreSQL Pg-Bouncer & Postgres Pg-Pool-II: Advanced Traffic Management (2021)
This event hosted by the Washington DC CTO Meetup Group and was presented by Erik Brandsberg, CTO of Heimdall Data.

Scaling Beyond PostgreSQL Pg-Bouncer & Postgres Pg-Pool-II: Advanced Traffic Management (2021)

In this presentation Erik Brandsberg, Chief Technical Officer at Heimdall Data, highlights several deficiencies of PostgreSQL PgBouncer and Postgres Pgpool-II and proposes solutions that improve Postgres database performance and scale.

Continue ReadingScaling Beyond PostgreSQL Pg-Bouncer & Postgres Pg-Pool-II: Advanced Traffic Management (2021)
Read more about the article How to Fix the og:image Open Graph Meta Tags are Missing Critical Issue (with pictures)
Exploring the ghost town of Prypiat.

How to Fix the og:image Open Graph Meta Tags are Missing Critical Issue (with pictures)

In this article we'll take a brief look at the Open Graph Protocol, the og:image meta tag, and we'll review how to identify missing open graph tags and how to fix this issue. Finally, we'll take a look at the Facebook for Developers: Sharing Debugger tool, test several pages, and address an image size issue.

Continue ReadingHow to Fix the og:image Open Graph Meta Tags are Missing Critical Issue (with pictures)
Read more about the article Quickly Connect to an EC2 Instance deployed in a VPC using the AWS Systems Manager Session Manager
A time-lapsed picture of cars on a highway.

Quickly Connect to an EC2 Instance deployed in a VPC using the AWS Systems Manager Session Manager

This article provides a solution for users who need to connect to an Amazon EC2 instance which has been deployed in a Virtual Private Cloud using the AWS Systems Manager Session Manager.

Continue ReadingQuickly Connect to an EC2 Instance deployed in a VPC using the AWS Systems Manager Session Manager
Read more about the article Easy Kubernetes Metrics Server Install in minikube in Five Steps and avoid wasting time on unexpected x509 certificate validation errors
The Yang Ming Elixir Shipping Vessel loaded with many containers. Thanks to @diegitane on unsplash.com.

Easy Kubernetes Metrics Server Install in minikube in Five Steps and avoid wasting time on unexpected x509 certificate validation errors

This article addresses an issue with a Kubernetes Metrics Server install on Minikube which isn't working due to an x509 certificate validation error caused by missing IP SANs.

Continue ReadingEasy Kubernetes Metrics Server Install in minikube in Five Steps and avoid wasting time on unexpected x509 certificate validation errors
Read more about the article Quickly Solve Five Kubernetes CKAD Practice Questions Now (2021)
Answers to 5 Kubernetes CKAD Practice Questions which could also be used as possible Kubernetes interview questions.

Quickly Solve Five Kubernetes CKAD Practice Questions Now (2021)

We review five questions as they pertain to the Certified Kubernetes Application Developer (CKAD) exam and include answers along with commentary and verification that the solution works.

Continue ReadingQuickly Solve Five Kubernetes CKAD Practice Questions Now (2021)
Read more about the article How to Pass the AWS Certified Solutions Architect Associate Certification Exam‎
Have you scheduled your AWS Certified Solutions Architect Associate Certification exam? Add the date to your calendar!

How to Pass the AWS Certified Solutions Architect Associate Certification Exam‎

In my opinion, practice exams and tests are a very important tool to use when studying for this exam and this article includes 17 links to exams, quizzes, and tests to assist you in your effort.

Continue ReadingHow to Pass the AWS Certified Solutions Architect Associate Certification Exam‎