You need to generate SSH Key ( the private key )on your Linux local computer and then update remote Linux computer or server with the authorized_keys
(the public key).
1. Check if .ssh folder already exist under your home directory
If not create a folder .ssh
# mkdir .ssh
2. Generate or create SSH key run ssh-keygen command.
# ssh-keygen -t rsa
Press enter for all the below options to save the default settings:
-> Enter file in which to save the key (/Users/exampleuser/.ssh/id_rsa)
-> Enter passphrase (empty for no passphrase)
-> Enter same passphrase again
Now you have created the key pair.You can find all the newly generated files in your .ssh folder.
id_rsa id_rsa.pub known_hosts
you need to copy the *.pub file to your remote computer or server. Copy the file id_rsa.pub to your web server and save it as authorized_keys under