Often we are in situations where we’re trying to group things into a certain source or type to make understanding it much easier. This could be aggregating different shades of colors to a primary shade, arranging clothes into their correct collections, or in a business standpoint — arranging customers into…

Introduction Python provides many libraries for fun projects to be made, so here’s another fun task I did. Though the idea of launching a resource on AWS when your face is recognized might seem pretty random, my intention here is to just show how versatile this language can really be, and…

As random as this might seem, it was strangely satisfying and fun to do. Yes, I sat and just created Numpy arrays with specific RGB values to make 720x720 px images of Minecraft mobs. Getting started Let’s first import the required libraries: numpy for creating and manipulating arrays, matplotlib for displaying and…

The growth in usage of computer systems and services has made it clear that the need for such systems is established in the daily lives of many people. But along with a good tool, comes the risk and dangers that come with the tool. …

Docker is a tool that makes it easier to create, deploy, and run applications by using containers. These containers allow packaging an application with needed parts such as libraries and dependencies, and deploy it as a single package. In this simple walkthrough, we’ll try to launch a centos container using…

Introduction You’ve just started out with Ansible … you’ve made yourself a playbook to install a web server, configure your index.html and other good stuff, but there’s one thing that doesn’t sit well with you … your restart service task runs even when there are no changes to your configuration !!! …

Introduction We use Ansible to automate cloud provisioning, configuration management, deployment and other IT operations by simply writing playbooks. It is an open-source tool that increases our productivity at a large scale, saving us a lot of time and hassle when we need to perform configuration management on multiple nodes. In…

When setting up a Hadoop Cluster on AWS, launching more instances as data nodes increases the total storage provided. But what if we need to increase the space provided by an individual Data Node ? This is where we can use the Logical Volume Manager. LVM is used for the following purposes: Creating single logical volumes of…

What is Ansible ? Ansible is an open-source tool that provides simple but powerful automation for cross-platform computer support. It is used for application deployment, updates on workstations and servers, cloud provisioning, configuration management, intra-service orchestration, and nearly anything a systems administrator does on a weekly or daily basis. Ansible doesn’t depend on agent…