jenkins_aws_installation.sh

#Remove Java 1.7
yum remove java-1.7.0*

#Install Java 1.8*
yum install java-1.8*

#Setup the jre path - 
  find /usr/lib/jvm/java-1.8* | head -n 3

#Open the bash file
  vi .bash_profile
  JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.265.b01-0.54.amzn1.x86_64
  PATH=$PATH:$HOME/bin:$JAVA_HOME
  
  To verify whether the path is set properly, we need to logout and login again --- Execute below commands
  exit
  sudo su -
  echo $JAVA_HOME //output - /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.265.b01-0.54.amzn1.x86_64

#Install Repository & key 

  sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
  sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

#Install jenkins 
  yum install jenkins

#check the jenkins status 
service jenkins status
#start the jenkins server
service jenkins start