Steps to enable Password based authentication on linux server

Setp 1 : Edit the file sshd_config

vim /etc/ssh/sshd_config

Step 2 : Make changes on line 66 as below (ie from 'no' to 'yes')

PasswordAuthentication yes

Step 3 : Restart the sshd service using below command

/etc/init.d/sshd restart

(Till now password based auth is enabled)

Step 4 : To set passsword

Type the below command

#passwd
Changing password for user root.
New password: <enter password here>
Retype new password: <enter password here>
passwd: all authentication tokens updated successfully.

Step 5 : Thats All You Are Done !!!!

Password based authentication is enabled on the server.