santosh

Just sharing few commands to load a .bash_profile without exiting from terminal or command line

We will look at how class hierarchies in Jackson works.  We will take an example of building a Notification Service Pojo to demonstrate this. Below… Read More »Inheritance hierarchies in Jackson

Here is a list of top Kafka interview question based on my exposure to Apache Kafka Kafka Basics What is Apache Kafka What are topics… Read More »Kafka Interview Questions

For different workspace sources and javadoc from maven repo can be download as follows: Eclipse For IntelliJ & Android Studio To apply and run plugins:… Read More »Gradle download sources and javadoc in eclipse or Intellij or Idea

ulimit is a shell command to control the resources available to a bash shell and all the programs that are started from this shell. We can… Read More »Finding Ulimit of Process and a User

Recently faced an issue where the docker stop was not calling a shutdown hook was not working correctly. The same application when run as a… Read More »Graceful shutdown of java process inside docker container

Remove all existing keys Generate ssh key for the current user which wants to commit to github add the ssh key for new user Initialise… Read More »How to push as different user in github

Requirement: Update log4j2.properties on all elastic search servers, restart them and check if logs are being rolled and purged over or not. Use Case 1:… Read More »Hands on with ansible: Elastic Search

Spent few hours to upgrade the version of `style.css` for a wordpress theme Finally got following, Assume you want to bump up the version of… Read More »Update version of style.css for wordpress theme