Changing The ROOT User Password

The root user for the system has full control and can easily break the system. A default password is provided with the initial distribution. It is highly important that you change this to a unique and secure password. Login via SSH or Using a Keyboard & Mouse using the default root password and issue the following command:
passwd root
Follow the prompts for the new password, and retype a second time. The prompt should confirm that the password was successfully changed.
in Security

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