Setting the password for root user

No default root password is set.

For security reasons, it is recommended that the root password is set as soon as possible.

Open a remote session with PuTTY and enter the following command:
passwd
You are requested to enter a new password:
Enter the new password as specified:
Changing password for root
Enter the new password (minimum of 5 characters)
Please use a combination of upper and lower case letters and numbers.
New password:
Repeat the password:
Re-enter new password:
The following is then displayed:
passwd: password changed.
root@iot2000:~#The password is set.