SSH Secure Shell Protocol is a cryptographic protocol for secure data connection and remote command execution.
In this article, we are going to see how to configure SSH for a passwordless login to a remote machine.
1. Make sure that SSH server is running
Run the following command to start the ssh service : $ sudo service sshd start or $ sudo systemtcl start sshd
Check service status using: $ sudo service sshd status or $ sudo systemctl status sshd
Run the following command to make sure that the sshd service is still active when you restart your system $ sudo chkconfig sshd on