Implementation of key based authentications

*******************************************************************************************Step by Step Implementation of key based authentications from Source A to Destination B. *******************************************************************************************

(1) At source A

(1-A) Generate a Key

ssh-keygen -t dsa

Above command creates a public key file called : id_dsa.pub and private key called id_dsa

(1-B) Cat id_dsa.pub to the destination B and save as a file called authorized_keys for ssh1 or authorized_keys for ssh2 in the .ssh directory of that login-id.

(2) At the source then create a file called config with the foll contents

Host

User

Compression yes

Protocol 2

RSAAuthentication yes

StrictHostKeyChecking no < could be set to yes for stricter checking, I havent tried this>

ForwardAgent yes

ForwardX11 yes

IdentityFile /opt/app/oracle/.ssh/id_dsa