How To Install JAVA On AWS EC2 Linux Instance

Install Java 8 In EC2 Instance,

Let’s Start:-

• First, We check Java installed in your instance or not.
• Simply enter this command.
• Java -version

If you get an error like “‘Java’ is not recognized as an internal or external command”. Then you need to install java in your instance.

Installing Java

Run this command in terminal

$ cd /opt

$ sudo wget --no-cookies --no-check-certificate --header "Cookie: %3A%2F%2Fwww.oracle.com%2F; -securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz

$ sudo tar xzf jdk-8u151-linux-x64.tar.gz

$ cd jdk1.8.0_151/

$ sudo alternatives --install /usr/bin/java java /opt/jdk1.8.0_151/bin/java 2

$ sudo alternatives --config java

After installing Java on System run below command

sudo yum install -y jdk-8u141-linux-x64.rpm

Check Java Version

$ Java -version

Java version "1.8.0_151"
Java(TM) SE Runtime Environment
Java HotSpot(TM) 64-Bit Server VM

Setting Environment Variables.

# vim /etc/profile

export JAVA_HOME=/opt/jdk1.8.0_151
export JRE_HOME=/opt/jdk1.8.0_151/jre
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

Esc + :wq!

(To save file)

Congratulations!! You did it!