In this article, we will see how to rollback deployment in Kubernetes Using 4 Easy Steps. In a prod environment, sometimes it does happen that you do a specific deployment in your Kubernetes cluster and even after doing all the testing in lower environments, it fails due to certain reasons resulting in downtime of your ... Read more
In this article, we will try to understand how you can determine the maximum number of kafka consumers that you can scale up to in a kubernetes cluster at any point of time. To understand this problem, you need to have an understanding on Kafka Architecture. You can always check Popular Apache Kafka Architecture Explained ... Read more
In this article, we will see how to navigate to home directory in Linux Using 4 Easy Methods. Many times it might so happens that someone who just started using linux systems might struggle a bit to navigate to home directory. There could be plenty of reasons why users from some random directory would like ... Read more
In this article, we will see how to find the serial number on a MacBook System using 2 Easy Methods. Serial Number is basically a unique 12 character alphanumeric number assigned by manufacturer to all MacBook devices for identification purposes. This is true for all the MacBook manufactured after year 2012. This serial number is ... Read more
Every extraordinary story has a spark that ignites a flame. In the case of the web dev world, that "spark" is the new G (or the technology known as Node.js). In this article, we will descend into Node.js advantages and explore the powerful benefits of using Node JS that have changed the face of web development. ... Read more
In this article, we will see bash commands or script that can be used to emulate watch utility functionality in Linux/Unix based systems. It is not very uncommon that you don't have watch utility available in your Linux/Unix based systems. While in some of the Linux/Unix distributions it will be available by default but there ... Read more
In this article, we will see how to solve Kubernetes Pod CreateContainerConfigError. In Kubernetes, there are many different types of error which can occur at any point of time due to certain reasons, CreateContainerConfigError is one such error which we are going to look here in detail with the solution steps that you can take ... Read more
In this article, we will see how to solve kubernetes pod CrashLoopBackOff with Exit Code 1 error. If you are working on Kubernetes Cluster from quite some time then I am sure you must have seen this CrashLoopBackOff status very frequently. This error is so common that sometimes it is very difficult to find the ... Read more
In this article, we will see how to install docker on Ubuntu 22.04 LTS (Jammy Jellyfish). Docker is a free and open source platform to build, deploy and host containerized applications. It is much efficient and faster than the virtual machines which required dedicated resources to run independently. Docker containers, on the other hand can ... Read more
In this article, we will see how to solve "Could not get lock /var/lib/dpkg/lock-frontend (unattended-upgr)" error on a Ubuntu/Debian based Linux systems. It is not very uncommon that one fine day you tried to run some command and all you got is "Could not get lock /var/lib/dpkg/lock-frontend (unattended-upgr)" error on the output. This error usually ... Read more