Just a point of note:
When adding the wheel group to the sudoers file via visudo, it does not mean
that the users in the wheel group can execute commands directly. It means that
they can type:
#sudo command options
For each enabled command in the sudoers file.
Now lets walk through some examples from my sudoers file:
jpyeron ALL=(ALL) NOPASSWD: ALL
## allows user jpyeron logged in from ALL locations to act as ALL users without
confirming jpyeron's password and execute ALL programs.
# Uncomment to allow people in group wheel to run all commands
# %wheel ALL=(ALL) ALL
## allows users in the wheel group logged in from ALL locations to act as ALL
users executing ALL programs.
# Same thing without a password
# %wheel ALL=(ALL) NOPASSWD: ALL
## allows users in the wheel group logged in from ALL locations to act as ALL
without confirming his password users executing ALL programs.
# Samples
# %users ALL=/sbin/mount /cdrom,/sbin/umount /cdrom
## allows users in the users group logged in from ALL locations to act as root
and run either "/sbin/mount /cdrom" or "/sbin/umount /cdrom" without deviation
of the command line.
# %users localhost=/sbin/shutdown -h now
## allows users in the users group logged in from localhost (or console?) to act
as root and execute "/sbin/shutdown -h now" only.
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