What is HDFS (Hadoop Distributed File System)?

Dealing with large amounts of data is common in today’s world. When you interact with technology, you come across data at every step. Multiply it by 4.72 billion Internet users, and you have a mind-boggling number! For storing and managing this ever-increasing data, various organizations consider Hadoop. It is an amazing platform that comes with the Hadoop Distributed… Read More »

How to Set Up an Nginx Ingress with Cert-Manager on DigitalOcean Kubernetes

With Kubernetes Ingresses, you can flexibly route traffic from outside your Kubernetes cluster to Services that are present inside of your cluster. This task is performed with the use of Ingress Resources and Ingress Controllers. Ingress Resources aid in defining the rules which facilitate routing of HTTP and HTTPS traffic to Kubernetes Services. Ingress Controllers, on the other… Read More »

How to Generate a Self-Signed Certificate for Kubernetes

Technology has evolved across ages, still creating a self-signed certificate for Kubernetes is nevertheless hard. We will show you how to create a self-signed Kubernetes certificate with the help of just a few commands. But in case you can’t create the self-signed one, you can definitely go for the TLS certificate. The certificate will be signed by the… Read More »

Docker CMD vs. Entrypoint Commands: What’s the Difference?

At first glance, the commands in Dockerfile appear to be repeating themselves (or at the very least have significant overlap). ENTRYPOINT and CMD are two Dockerfile directives that are frequently misunderstood. While they both allow you to specify the image’s starting command, there are a few differences between them. You’ll want to utilise one or the other in… Read More »

How To Set Up WordPress with MySQL on Kubernetes Using Helm

In the realm of distributed environments, platforms like Kubernetes are undoubtedly setting up a standard. This is applicable across dynamic builds and also production environments. Complex application ecosystems and the most sought-after Kubernetes have made services like MySQL quite important in the field of distributed environments. The open-source Helm package manager for Kubernetes makes the process of deploying… Read More »

What is Kubernetes CrashLoopBackOff Events?

Kubernetes has gained much popularity in recent years and is currently one of the most widely used container orchestration engines. If you are using Kubernetes, you might come across various errors and failures while running containers. One of the commonly occurring errors is the dreaded CrashLoopBackOff error and it may occur because of the incorrect Kubernetes configurations. Such… Read More »

What is Hadoop Mapreduce and How Does it Work?

Hadoop is a big data platform that stores and processes data using a network of computers. What makes Hadoop so appealing is that a cluster may be run on a limited number of low-cost dedicated servers. An individual can handle their data using low-cost hardwares as well and offers lots of scalability options. The system can begin with… Read More »

How to Update Docker Image and Docker Container to the Latest Version?

A Docker image consists of libraries, application code, and tools that are necessary to run an application. Docker images, like a template, serve as a set of instructions for constructing a Docker container. When using Docker, Docker images also serve as a starting point. Moreover, an image could be compared to a shot in a VM (Virtual Machine).… Read More »

How to Install Anaconda on CentOS 7

Kubernetes (K8s) is a container orchestration system that helps manage containers at scale. Originally created by Google, Kubernetes is now an open-source system that is maintained by a community of dedicated developers. Kubeadm mechanizes the configuration of the Kubernetes elements. These include the API server, Kube DNS, and so on. Nonetheless, one cannot engage users or deal with… Read More »

Vim Commands Cheat Sheet

A Linux system user typically uses a text editor to program and script, edit configuration files and perform other tasks. A large number of Linux users use Vim, an open-source Linux text editor. It takes time and practice to learn how to operate Vim commands. That is why having a handy reference document or command cheat sheet ready… Read More »