Free SSL enable on website on cloud server !

Here I'm writing some step as demo.
My website on AWS server.Pleas read carefully , this is easiest way.

1.Download .pem file (db_Oregon_Keypair.pem)

2.Given Execute Permission to .pem file (read/write)

Step:
1- open terminal
2- sudo chmod 777 db_Oregon_Keypair.pem

3.sudo ssh -i db_Oregon_Keypair.pem ubuntu@www.dbaport.com
4.sudo certbot certonly (Select 1 -Apache Plugin)
5.sudo certbot (Select 1,4- dbaport domain)