004. Maven and Java on Ubuntu VM.txt

Installation and Configuration of Maven and Java on Ubuntu EC2 instance
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Step1:
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Update the packages

sudo apt update -y
sudo apt upgrade -y

Step2:
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Install Java
Install OpenJDK 11 (or another version if you prefer):

sudo apt install openjdk-11-jdk -y

Verify the installation:

java -version

Step3:
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Install Maven
Install Maven using the default package manager:

sudo apt install maven -y
Verify the installation:

mvn -version

Step4:
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Configure Environment Variables
Open the environment profile file:

sudo nano /etc/profile.d/maven.sh
Add the following lines to configure JAVA_HOME, MAVEN_HOME, and update the PATH:

export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which java))))
export MAVEN_HOME=/usr/share/maven
export PATH=$PATH:$JAVA_HOME/bin:$MAVEN_HOME/bin

Save and close the file

Step5:
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Apply the Environment Variables
Load the new environment variables into the current session:

source /etc/profile.d/maven.sh

Step6:
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Verify the Installation
Verify the Java installation:

echo $JAVA_HOME
java -version

Verify the Maven installation:

echo $MAVEN_HOME
mvn -version