Drill Down into CentOS/RHEL Base Environment and Add-Ons Software Package Groups

At the Installation Summary Screen of CentOS7/RHEL7 (GUI mode), you can click on the Software Selection option to choose pre-defined groups of software packages to install with the operating system. These pre-defined groups are expressed in the form of a Base Environments, and their related Add-Ons. Each pre-defined group of software packages are related to […]

Big Data Business Value

As part of my part time Specialist Diploma in Big Data Management, we were asked to write a blog post about our thoughts on the trends of big data, and how it can help companies increase their business value. Just thought I’d share it 🙂 Question 1: How does big data help in a company’s performance? Data […]

Basic Linux Certification

I was initially confused between the different types of certifications when I first decided to get a Linux competency certification. I had been doing several sysadmin tasks as part of my work and thought of expanding my knowledge to do a more efficient job of it. Hopefully this guide will help. While there are many […]

Inserting Unicode Characters in Postgres

If you deal with foreign country/people names, you may have characters from different sets alongside each other. Putting these characters into a database can be challenging. Below I will highlight how to do this for the Postgres Database. Assuming I have a “country” table with just one field for the name of the country, and […]