Spark Structured Streaming -Use Case E commerce | Part-1|Angular CLI |Spring Boot|Apache Kafka | AW

How to Install Angular CLI on Linux
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To install Angular CLI, you need to have the latest version of Node.js and NPM installed on your Linux system.
Install Node.js on CentOS/RHEL & Fedora
curl -sL https://rpm.nodesource.com/setup_12.x | bash - [for Node.js version 12]
curl -sL https://rpm.nodesource.com/setup_11.x | bash - [for Node.js version 11]
curl -sL https://rpm.nodesource.com/setup_10.x | bash - [for Node.js version 10]
yum -y install nodejs
dnf -y install nodejs [On RHEL 8 and Fedora 22+ versions]

Installing Angular CLI in Linux
npm install -g @angular/cli

You can launch the Angular CLI using the ng executable which should now be installed on your system. Run the following command to check the version of Angular CLI installed.

ng --version
Install Java:
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yum install java-1.8.0-openjdk java-1.8.0-openjdk-devel -y
Install GIT:
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yum install git -y
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Install Maven:
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Install Maven in /opt:
wget http://mirrors.estointernet.in/apache...
tar xvzf apache-maven-3.6.3-bin.tar.gz
vi /etc/profile.d/maven.sh
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export MAVEN_HOME=/opt/apache-maven-3.6.3
export PATH=$PATH:$MAVEN_HOME/bin
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source /etc/profile.d/maven.sh
mvn -version
Apache Kafka Download
cd /opt
wget https://archive.apache.org/dist/kafka/2.4.0/kafka_2.11-2.4.0.tgz
tar xvf kafka_2.11-2.4.0.tgz
cd /opt/kafka_2.11-2.4.0
Start Zookeeper
nohup bin/zookeeper-server-start.sh config/zookeeper.properties &
start the Kafka server:
nohup bin/kafka-server-start.sh config/server.properties &

sh bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic orders-status
{ "orderDateTime": "2016-07-13 14:20:33", "orderId": "00001234", "orderStatus": "processing"}

Get Spring Boot from github
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git clone https://github.com/VamsiTechTuts/javaprojrepo.git
cd javaprojrepo/springbootkafkaapp
mvn spring-boot:run

curl -X POST -H "Content-Type: application/json" \
-d '{ "orderDateTime": "2016-07-13 14:20:33", "orderId": "00001234", "orderStatus": "processing"}' \ http://localhost:9000/kafka/readDataFromWebUi