Hadoop bigdata

RaspberryPi projects for kids

RASPBERRYPI PROJECTS FOR KIDS Stay@home projects for kids – implementing many fun programming options using RaspberryPi. Here is how I was able to successfully engage my 9 year old to fun programming that helps her code interactive stories, animations and games using Scratch programming plus other few RaspberryPI projects. Implementation steps include, OS installation on …

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How to configure Sonarqube Jenkins integration

How to configure sonarqube in jenkins? SonarQube is code quality checker and that can be integrated to Jenkins workflow to deliver continuous inspection.Configuration steps as follows:SonarQube:1. Do a SonarQube docker image pull from docker hub 2. Then use docker run command to run the image to build SonarQube container.(Assumption JDK is already setup on the machine) …

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What is contract testing

What is contract testing? Contract testing is famous in microservices world. When we consider less numbers of microservices,¬† then contract testing is not so necessary.However when you look at the Amazon or Netflix microservices mesh, it is countless. Such cases it is extremely difficult for developer or tester to maintain unit/automation test suite as per …

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What is google App Engine

What is Google’s App Engine ? Google provides platform as service or PaaS via Google’s App Engine.App Engine is a cloud computing platform where development and hosting of applications can be done.Other feature is App engine scales up on demand basis when the requests are more.App Engine supports almost all development technologies like Go, Java …

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What is ELK

What is ELK (Elastic search, Logstash, Kibana) ? ELK stack is a combination of 3 open-source products as below, Elasticsearch, a search and analytics engine. Logstash, that index the data to Elasticsearch. Logstash has a config file that has input,filter and output section. Config file looks like json file. Kibana, a visualization tool which provides …

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DevOps vs DevSecOps vs NetOps

What is DevOps vs DevSecOps vs NetOps ? DevOps is the practice of using set of tools, processes and practices to get good agility in software implementation to customers. It combines Dev (software development ) and Ops (information operations). DevOps shortens the development lifecycles and provides Continous Integration & Delivery.¬†DevSecOps is when security features are …

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Jenkins job vs pipeline

What is Jenkins jobs and Jenkins pipeline ? Jenkins jobs and Jenkins pipeline are essentially same, however pipeline is more staged flow of jobs. For Jenkins pipeline, Jenkinsfile is used.What is Jenkinsfile?Jenkinsfile is a text file placed in the root project directory. The Jenkinsfile has multiple stages like build, unit test, sonar test, functional,¬† regression, …

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