Create a sudo user without a password in centos

Source: Internet
Author: User
In Linux, how does one allow ordinary users to use sudo permissions without entering a password. I can see a lot of information on the Internet, but I can only add the following lines in/etc/sudoers: username all = (all) nopasswd: All, but when I actually use sudo, after setting the username, you still need to enter the password. After testing, we found that you also need to create a user group sudo (the name may not have to be SUDO) and add username to this group. # Groupadd sudo # userchmod-G sudo Username
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