Create a Simple HTTP Server in Java/Socket – Example
This tutorial guides you on how to create a Simple HTTP Server in Java Socket Programming with example. When you run this Java program it will start a simple HTTP Server listening to port 8082.
zookeeper is not a recognized option while running kafka-console-consumer.sh
This tutorial guides you on how to fix zookeeper is not a recognized option while running kafka-console-consumer.sh script to consume messages from a Kafka topic.
How to convert .pem file to .key file ?
This tutorial guides you on how to convert .pem file to .key file. I had generated keypair using OpenSSL instructions. It resulted in generating keypair in .pem file format. If you would like to convert .pem format to .key format then… Read More!
Java: Convert String to RSA Public Key
This tutorial guides you on how to convert string to RSA public key. I have generated public key and private key .pem files using OpenSSL using this tutorial. Let’s see how to read key string from public.pem file and convert… Read More!
Create JWT Token and Sign with RSA Private Key
This tutorial guides you on how to create JWT token and sign with RSA private key. JWT (JSON Web Token) is an encoded representation of a JSON object. JWTs are used in authentication/ authorization mechanisms.