What is a process control block PCB and its components.

What is a process control block PCB and its components.


Process control block (PCB) is a data structure used by a computer operating system to store all the information about a process. The operating system used a data structure named Process Control Block(PCB) to store the information about a particular process, and this information is required by the CPU while executing the process. Each process

5 Must-read books for DevOps and SRE.

5 must-read books for DevOps and SRE.


You all must always be searching for good books to read. In this post, we are going to talk about some great reads in computer science and technology space. Here I will be writing about books that I have read completely or partially. If you missed reading 3 must-read books for Kubernetes you can find

How exactly kube-proxy works: Basics on Kubernetes.

How exactly kube-proxy works: Basics on Kubernetes.


In recent times Kubernetes is becoming a de facto tool to be used and it adds a lot of value to your profile if you have a good understanding of it. Unfortunately, the way clouds have abstracted everything from users, there are not many people aware of how this actually works behind the scene and

Difference between columnar and row-based databases.

Difference between columnar and row-based databases.


There are many types of databases present and there is a lot of confusion(for beginners) to use which one in which cases. To add to the confusion there are columnar databases. In this article, we will look at what is the difference between row-based and columnar databases and where we can use columnar databases. Difference

Logrotate: How and Why you should use it properly.

Logrotate: How and why you should use it properly.


In my on-call duty for the last few years. One thing that comes, again and again, is log cleanup. This happens because of the wrong logrotate or no use of this at all. When we talk about disk cleanup, this is kind of toil to me. To understand what is toil you can look at