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Install Jenkins on Ubuntu 20

CI/CD is now an integral part of the software development as we need to release changes to the market very frequently. For the implementation of the CI/CD, Jenkins is the most used software and has various plug-ins and large community support. Jenkins is a Java-based server for build, test and deploy applications automatically, this can […]

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Creating Redis Cluster Using Docker, Ubuntu on VirtualBox

For creating a Redis cluster using this guide make sure you have Ubuntu running on VirtualBox and docker is installed and up. You can check this using the following command. This should display information about installed docker otherwise you need to install it. A Redis cache cluster can be created in several ways and here […]

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Java Example to Push Website Access Logs to Cassandra DB

Cassandra DB is one of the leading NoSQL database system as it can be very easily configured in scalable cluster in bot on-prime and cloud environment. Most of the leading cloud providers now providing it as managed or serverless service. It is a column based NoSQL and provides very fast write operation. Cassandra has drivers […]

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Configure Apache Cassandra Cluster Using Ubuntu and Virtual Box

In this post, I am going to show you, how you can configure a simple Cassandra cluster using VirtualBox and Ubuntu server on Windows 10. You can easily learn the basics of the Cassandra cluster and use this setup for your learning and development purpose. For this, you first need to install and set up […]

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Apache Cassandra Installation on Ubuntu

Apache Cassandra is a fault-tolerant, highly scalable, very reliable, and performant NoSql database system. It is free open-source, fully developed using java can run on any JVM-based system. Installation of the Cassandra database is very straightforward. One can just download unzip precompiled binaries and run if they have all the prerequisites to run them. For […]

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Apache Kafka Installation on Ubuntu 20

Apache Kafka is an event streaming platform that is very scalable and reliable. Kafka is developed using Java, so for running Kafka you need java runtime/ JDK on your PC. In this post, I will tell you to step by step guide to install and run Kafka for learning and development purposes on Ubuntu 20. […]

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Install and Configure Postgres on Ubuntu 20, VirtualBox, and Windows

In this post, I will write complete steps to install and configure Postgres RDS on Ubuntu 20 running on a VirtualBox over Windows 10 host. Installing Postgres on Ubuntu 20 For easiness connect Ubuntu instance using Putty windows client. Now you can easily copy and paste commons on the putty console. Steps to install Postgres […]

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Change Default GIT Author and Committer in Eclipse GIT Plugin

While working in Eclipse IDE and GIT plug-in for Eclipse, Author and Commiter filed is set by default to PC name and current user as displayed in pic given below. But in most cases, we want to do commits with our Git user and email id, You can set author and committer while committing. But […]

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Docker Basic Interview Questions and Answers

Here is a list of some very basic Docker interview questions. Answers are written on the basis of Docker Guide. 1- What is Docker? Ans: Docker is an open-source containerization platform to develop, package, shipping, and running applications. It enables the separation of applications from infrastructure. Using docker we can package applications with all underlying […]

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Docker Container Memory limits

By default there is no contraint and memory limit for docket container, it can use as much memory and cpu as much Host OS allow to it. But this can be controlled by docket container run time settings/configurations flags. Many of these features are dependant upon host OS kernel capabilities. Suppose some features are disabled […]