--- title: "Sagar Sehgal (@thesagarsehgal) | Hashnode" description: "Software Developer @Jio. Read the latest articles by Sagar Sehgal on Hashnode." url: "https://hashnode.com/@thesagarsehgal" --- @thesagarsehgal # Sagar Sehgal @thesagarsehgal · India · Joined November 2020 Software Developer @Jio [Website](https://thesagarsehgal.com/) ### [Keycloak Part-1: What is Keycloak?](https://www.thesagarsehgal.com/keycloak-part-1?utm_source=hashnode&utm_medium=feed) This is a part of a series of blogs that talk about Keycloak as a tool. Have a look at the complete series below:- https://hashnode.com/series/keycloak-ckjzqkqd1019hqps1beqbbq6o In this blog, we would be having a basic discussion about Keycloak like:... 11 min read · [thesagarsehgal.com](https://www.thesagarsehgal.com/keycloak-part-1?utm_source=hashnode&utm_medium=feed) [Feb 4, 2021](https://hashnode.com/posts/keycloak-part-1/601be5711054fa16dadd5dac) ### [Slides: Authentication v/s Authorization](https://www.thesagarsehgal.com/slides-authentication-vs-authorization?utm_source=hashnode&utm_medium=feed) Authentication v/s Authorization Although both terms are used interchangeably a lot ... but they are different. In this post, I have tried to explain the difference between them using a simple Analogy. Do have a look at the slides below and let me kn... 1 min read · [thesagarsehgal.com](https://www.thesagarsehgal.com/slides-authentication-vs-authorization?utm_source=hashnode&utm_medium=feed) [Jan 12, 2021](https://hashnode.com/posts/slides-authentication-vs-authorization/5ffd44f8457644085faf0b0a) ### ["Is the website down or just me" Spring Boot Project](https://www.thesagarsehgal.com/is-the-website-down-or-just-me-spring-boot-project?utm_source=hashnode&utm_medium=feed) Are you tired of learning Java and have never implemented any practically useful thing? In this blog, we would be building a basic project using Spring Boot that helps you understand how to develop real-world applications in Java. What actually is t... 10 min read · [thesagarsehgal.com](https://www.thesagarsehgal.com/is-the-website-down-or-just-me-spring-boot-project?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/is-the-website-down-or-just-me-spring-boot-project/5febada9017ebb59232da25b) [Dec 29, 2020](https://hashnode.com/posts/is-the-website-down-or-just-me-spring-boot-project/5febada9017ebb59232da25b) ### [A roadmap on how to prepare for GSoC](https://www.thesagarsehgal.com/a-roadmap-on-how-to-prepare-for-gsoc-90ffa53181dd?utm_source=hashnode&utm_medium=feed) I have been asked the following questions a lot of times:- How to contribute to Open Source Projects? How to prepare for Google Summer of Code? So I thought of compiling all the things in one place. 0. Why Google Summer of Code? Please have a rea... 8 min read · [thesagarsehgal.com](https://www.thesagarsehgal.com/a-roadmap-on-how-to-prepare-for-gsoc-90ffa53181dd?utm_source=hashnode&utm_medium=feed) [Oct 9, 2020](https://hashnode.com/posts/a-roadmap-on-how-to-prepare-for-gsoc-90ffa53181dd/5fe99fd7c0c31a41479b64a5) ### [7-Step to make your first Pull Request](https://www.thesagarsehgal.com/7-step-to-make-your-first-pull-request-2aca7d6fe5cb?utm_source=hashnode&utm_medium=feed) Pull Request is one of the crucial steps to contribute to a project Stuck behind the paywall? Click here to read the full story with my Friend Link! In my previous article, I have shared an analogy to understand how to use Git to contribute to an ope... 14 min read · [thesagarsehgal.com](https://www.thesagarsehgal.com/7-step-to-make-your-first-pull-request-2aca7d6fe5cb?utm_source=hashnode&utm_medium=feed) [Jul 8, 2020](https://hashnode.com/posts/7-step-to-make-your-first-pull-request-2aca7d6fe5cb/5fe99ff9c0c31a41479b64af)