How to Create extra root user account in Linux

Create extra root user account in Linux

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vi /etc/sudoers

testuser ALL=(ALL) NOPASSWD: ALL

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after this still we have to use sudo like: (or jst do sudo -s)

#sudo <superuser command>

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#usermod -o -u 0 -g 0 <user_name>

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#adduser -u 0 -o -g 0 -G 0,1,2,3,4,6,10 -M root2

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How to Enable the "root" Account on CentOS or Mac OS X

#sudo passwd root

Enter Password: Changing password for root

New password: Verify password: