Install the sudo package
# yum install sudo
Edit the sudo file by removing the # from the # %wheel ALL=(ALL) ALL to uncomment it.
# visudo
Save the changes and quit.
:wq
gpasswd -a username wheel
Change to sudo su.
sudo su -
Confirm that you can login with your username, then disable the root login.
passwd -l root
Tuesday, 5 July 2011
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