Stpes to Install SSL Certificate at tomcat in aws ec2 instance 1) Generate CSR 2) Purchase Your SSL Certificate 3) Activate your SSL Certificate. 1) Download Certificate File 2) Convert into required formate 4) Create Elastic Load Balancer. 1) Generate CSR Before we go ahead we should have aws account and we have a ready tomcat in ec2 instance should should is running inside it. Connect your EC2 instnace through putty or terminal in mac. by entering following command in terminal (MacOs) Last login: Wed Apr 3 08:14:13 on console Mukeshs-MacBook-Air:~ mukeshchoudhary$ sudo ssh -i Desktop/AWS-2019/touristvisaonine2019.pem ec2-user@ec2-13-234-72-211.ap-south-1.compute.amazonaws.com Password: Last login: Sat Mar 30 12:44:15 2019 from 223.190.91.168 __| __|_ ) _| ( / Amazon Linux AMI ___|\___|___| https://aws.amazon.com/amazon-linux-ami/2018.03-release-notes/ 13 package(s) needed for security, out of 20