★ 1 Log in as root rinchome user creation
#Group creation
[root@localhost ~]#groupadd rinchome
#Create user (make group rinchome)
[root@localhost ~]#useradd -g rinchome rinchome
#Change password for rinchome user
[root@localhost ~]#passwd rinchome
★ 2 Log in as rinchome user sudo visudo command execution
#visudo command execution
[rinchome@localhost ~]$ sudo visudo
You should have taken regular training from your system administrator.
This is usually summarized in three points::
#1)Respect the privacy of others.
#2)Think before typing.
#3)Great power comes with great responsibility.
[sudo]rinchome password:
rinchome is not in the sudoers file. This event will be recorded and reported.
[rinchome@localhost ~]$
I couldn't do it with ★ 3 ★ 2, so log in as root Edit visudo
[root@localhost ~]# visudo
Below ↓↓
## Same thing without a password
%wheel ALL=(ALL) NOPASSWD: ALL
Changed to ↓↓ below
## Same thing without a password
# %wheel ALL=(ALL) NOPASSWD: ALL
%rinchome ALL=(ALL) NOPASSWD: ALL
★ 4 Log in with rinchome Execute the sudo visudo command again and go to the edit screen
[rinchome@localhost ~]$ sudo visudo
## Sudoers allows particular users to run various commands as
## the root user, without needing the root password.
##
## Examples are provided at the bottom of the file for collections
## of related commands, which can then be delegated out to particular
## users or groups.
★ 5 Summary
It's an SE, so it's unclear if it's correct