Install Kafka CLI tools
Kafka CLI tools is a command line interface used to interact with the Kafka server and get different types of information like topic details, consumer lag, offset reset information, etc.…
Raj Ranjan
Public and Private Key Generation for JWT
JSON web token is a mechanism where you pass information between multiple entities or services safely and securely. An asymmetric algorithm generates the JWT token for your payload and requires…
Debug a Docker Container
You must have seen issues in your docker container where it crashes or gets stopped multiple times. You need to identify the root cause of the issues and make your…
Read Logfile with Logstash and Elasticsearch
Sometimes we need to analyze our logs and perform some analysis on them. We can’t perform analysis by reading the log file directly because it will be very time-consuming and…
What is JSON Web Token
You must have heard about JSON web tokens abbreviated as JWT Token. It is a mechanism through which the client and server can trust each other and pass valuable information…
What is ELK Stack
Let’s understand the ELK stack and why it has become important for any developer, tester, or dev-ops person to understand the working and usage of the ELK stack. we will…
Push your docker image to DockerHub
The Docker hub is an online place where Docker images are hosted publicly and other people can use those images. You can build your own Docker image and publish it…
Generate Fake Apache Server Logs
Sometimes there is a need to generate fake Apache Server Logs. Like you want to create a big data project, so you will need a large amount of data. You…
Java JWT Token RSA256
JSON web token is a way to transfer data between two parties securely and safely. The signature of the JWT token guarantees that JWT token is produced by an authentic…
Install Docker Compose on Linux
Docker compose is an orchestration tool for running multiple Docker containers at once. You can define multiple docker container configurations in a single YAML file and use it to run…