In the previous part of the series, we explored Open Policy Agent and implemented an ACL-based access control for our application. In this entry, I am going to share with you some of the discoveries that I made while evaluating Open Policy Agent in regards to policy design and development.
Continue reading “Open Policy Agent, Part II — Developing Policies”
Recently I was looking for a way to implement access control for microservices. I needed a solution that would allow defining complex authorization rules that could be enforced across many services. After searching the web, I discovered a very promising Open Policy Agent project that seems to be the right tool for the job. In this series of three blog posts, I am going to introduce Open Policy Agent to you and highlight how it can help you.
Continue reading “Open Policy Agent, Part I — The Introduction”
So many organizations are jumping on the Microservices bandwagon. The amount of hype makes the phenomenon nearly impossible to ignore. According to InfoQ, Microservices and their respective frameworks are in the “Late Majority” stage, meaning that even those industries and enterprises which are slow to adopt new tech are using them. That said, many of those same organizations are struggling to attain the promises that have been espoused by companies like Google or Twitter around Microservices.
Continue reading “Achieving the promise of Microservices, one contract at a time”
The newly released Red Hat Certified Engineer (RHCE) exam (EX294) updated to Red Hat Enterprise Linux 8 allows candidates to demonstrate they have the skills to manage and configure multiple systems using state of the art automation tools. Including Red Hat Ansible Engine in this test came as a result of increasingly more IT organizations facing challenges related to scaling infrastructure and efficiently turning to Red Hat Ansible Automation as a common language to automate across different functions. As a result, system administrators need to understand more than how to deploy, configure, and manage an operating system—they need to know how to automate functions and how to make the automation itself scalable.
Continue reading “Red Hat Certified Engineer training and testing now available on Red Hat Enterprise Linux 8”
Recently I passed the Red Hat Certified Specialist in Gluster Storage Administration exam. In this blog post, I would like to share some of my experience and exam tips with you.
Continue reading “Tips for passing the Red Hat Certified Specialist in Gluster Storage Administration exam”
I get asked all the time if I have any tips or advice on how to pass Red Hat exams. Because providing a fair and equal opportunity to all candidates is critical, I am usually reluctant to answer and refrain from handing out advice to individuals. However, since I get this question so often, I have decided that it is time to give some advice to everyone who is interested in taking a Red Hat exam.
Continue reading “Tips for passing Red Hat Certification exams”