Lecture Your Sudoers

/etc/Sudoers is a file that controls what happens when you use sudo. /etc/sudo_lecture is a file that Apple includes in macOS that tells your users that what they’re about to do is dangerous. You can enable a lecture, which will be displayed each time sudo is invoked. To turn on the lecture option in sudo, open /etc/sudoers and add the following two lines (if they’re not already there):

Defaults lecture=always
Defaults lecture_file = “/etc/sudo_lecture”

Then save the file and edit /etc/sudo_lecture. Apple has kindly included the following

Warning: Improper use of the sudo command could lead to data loss or the deletion of important system files. Please double-check your typing when using sudo. Type “man sudo” for more information. To proceed, enter your password, or type Ctrl-C to abort.

Let’s change this to:

Hack the planet.

Now save and open a new Terminal screen. Run sudo bash and viola, you will get your new message. Enjoy.

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