Kubernetes has gained a lot of traction recently and is one of the standards followed across organizations when it comes to running and managing their containerized workloads. In this article, we are going to talk about Kubernetes operators. Usage Operators are used to running applications and tools on Kubernetes, like Redis Operator, Flink Operator, Istio
Kubernetes: What to learn from a long term perspective
We have always focused on learning paths that can help you in longer and more in-depth knowledge. In this article, we are going to talk about what you can learn from Kubernetes from long-term perspective. When we talk about Kubernetes there are multiple components to it and basic deployment ways also have a lot of
How to contribute in Open Source and creating the right Merge Request.
Hi, the scope of this article is not how to find an issue to contribute but how to make sure you follow the steps that are required. I am writing this because I have seen a lot of people not knowing how to actually create a PR and basic sanity. Let’s see How to contribute
DevOps Interview Questions: How to kill a running process. kill, pkill, killall
Hi in this article we will talk about a very easy DevOps interview question. How to kill a running process. Earlier we have talked about VPC design, logging system design, monitoring system design, page fault, etc. kill, pkill and killall So we can use kill, pkill and killall commands to kill a process in Linux. All of these
DevOps Interview Questions: How many usable IPs are there in /24 CIDR?
In our previous interview-related question we talked about VPC design, logging system design, monitoring system design, page fault, etc. In this article, we are going to talk about how to calculate how many usage IPs are there in a /24 CIDR. What is a CIDR? CIDR stands for classless inter-domain routing. This is a set
Basics on Kubernetes: What exactly is a ReplicaSet
In our previous article in series, basics on Kubernetes, we talked about what exactly are deployments, you can find the link of the article below. In this article, we are going to talk about what is ReplicaSet and how they help in scaling your application. What are ReplicaSet and its objective? ReplicaSet is an object
What is Paging and how does it work?
In the last article, we talked about threads and different types of threads. In this article we are going to talk about paging and how does it work. You can read the last article below. What is Paging? Paging is a memory management scheme by which a computer stores and retrieves data from secondary memory
What is a thread? Types of threads and differences between them.
A thread is a basic unit of CPU utilization consisting of a program counter, a stack, and a set of registers. A thread is a path of execution within a program. A program can contain multiple threads. Threads can’t exist outside any process and each thread belongs to exactly one process. Information like code segments,
DevOps Interview Questions: What is a context switch and its impact on Linux.
In the last article, we talked about what is /proc file system and how you can see different information there. If you miss the article you can read it below. In this article, we are going to see what exactly is a context switch and what are its impact. What is a context switch? A
DevOps Interview Questions: What do you know about proc filesystem in Linux.
When you are giving interviews where you know you will be asked Linux. You can bet heavily on this question. This is one of the most basic questions that can be asked. In this article, we are going to see what is the answer to this question. What does /proc Directory contains? Let’s do a