ngrok: Serve your website from local system.

ngrok: Serve website from local system.


It is not an easy task to host a website and then do all the necessary tasks to keep it safe and secure. Now if you building something and for that, you have to give a demo and strict on timelines. Setting up the website and other tasks will consume a lot of time. If

DevOps Interview Questions: Important Python questions.

DevOps Interview Questions: Important Python questions.


In few of the previous articles we started talking about questions that can come in DevOps and SRE interviews. In this article, we are continuing the trend by bringing you the python questions that can come in the interviews. You can look at the last article below. When we talk about python involvement in DevOps,

How to take Redis Cluster and master-slave backup using Redis Shake

Redis Cluster and master-slave backup using Redis Shake


We have talked about Redis in recent articles. In this part, we are going to talk about how we can take Redis cluster and master-slave backup. Let’s start by reading what is cluster and master-slave configurations in Redis. You can read about the difference between them here Now when we talk about backup we have

Tools in DevOps for every purpose

Tools in DevOps for every purpose


In this article, we are going to see tools for a different section of DevOps. Tools when combined together form a solid base on which the SRE and DevOps rely on and most of the tools are opensource. Let’s start with tools in DevOps for every purpose. Lets first list down the different components that

What is Copy on Write and where is it used?

What is Copy on Write and where is it used?


Recently while working with one of the databases I came across a method that is widely used by many databases to take a snapshot of the memory into a disk. One of the most famous that you have heard of is Redis. The method is called copy on write. Let’s see what is a copy

System Programming: Basic Copy program in C using low-level IO

System Programming: Basic Copy program in C using low-level IO


In this article, we are going to start learning system programming by first of all creating a copy program like cp using low-level IO functions and not the standard IO functions. Now first let’s see what is system programming and what is low-level IO functions in C. System Programming: System programming aims at producing software

What is eBPF and why is it called a superpower in Linux?

What is eBPF and why is it called a superpower in Linux?


BPF also known as Berkeley Packet Filters was introduced first in 1992 by Steven McCanne and Van Jacobson in their paper The BSD packet filter: A New architecture for user-level packet capture. In this paper, they presented about BPF architecture and how it interfaced with the rest of the system and a new mechanism for

How Kubernetes works on a reconciler pattern

How Kubernetes works on reconciler pattern.


Kubernetes is very hot right now in the industry and everyone wants to learn and use it. In this article, we will read about how Kubernetes works on a reconciler pattern. We have previously talked about the reconciler pattern and how you can use it. You can have a look at the writeup in the

Monitor your unix system resources using HTOP.

What is blackbox monitoring? Automating with bash script


Monitoring is very important when you want your systems to work properly. Monitoring helps you identify the issues while they are happening or before them. So it is very important to implement your monitoring properly. Let’s see what is black box monitoring. Now when you see any issue how you should approach your debugging. First

life cycle of a container

The life cycle of a container


If you working in a DevOps or SRE environment, it is very rare to find a person who has not heard of the name containers. In this article, we talk about the life cycle of a container. For this purpose, we will use docker for a container runtime. Let’s have a look at the docker

Are you preparing for DevOps and SRE Interview?

Here is a book for you.


Interview preparation and interview questions for DevOps and SRE






A good reads for last-minute preparations for handling DevOps and SRE interviews at companies like LinkedIn, Visa, Atlassian, etc.