Enable password login to your ssh server (redhat)

ssh

#!/bin/bash
sed -i 's/#Port 22/Port 22/g' /etc/ssh/sshd_config;
sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config;
sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/g' /etc/ssh/sshd_config;
sed -i 's/PermitRootLogin without-password/#PermitRootLogin without-password/g' /etc/ssh/sshd_config;
echo root:yourpassword | chpasswd;
service sshd restart;