Source : host A
Destination: host B
1. Run the below command for generating public and private key( host A)
ssh-keygen -t rsa
/home/username/id_rsa (private key)
/home/username/id_rsa.pub (public key)
2. ssh-copy-id -i /home/username/id_rsa.pub host_B_ip_address
Alternate way:
* Copy the text inside id_rsa.pub file .
* Login into host B and go to /root/username/
and create new file "authorized_keys" and paste text copied from step 2.
* Login into Host A to Host B password less.(ssh host B)
Simple:
Put public key(host A) to authorized_keys(host B)
Now Host A can login into host B without any password.
Destination: host B
1. Run the below command for generating public and private key( host A)
ssh-keygen -t rsa
/home/username/id_rsa (private key)
/home/username/id_rsa.pub (public key)
2. ssh-copy-id -i /home/username/id_rsa.pub host_B_ip_address
Alternate way:
* Copy the text inside id_rsa.pub file .
* Login into host B and go to /root/username/
and create new file "authorized_keys" and paste text copied from step 2.
* Login into Host A to Host B password less.(ssh host B)
Simple:
Put public key(host A) to authorized_keys(host B)
Now Host A can login into host B without any password.