Sudoers is the default sudo security policy plugin in Linux; however, experienced system administrators can specify a custom security policy as well as input and output logging plugins. It is driven by the /etc/sudoers file or, alternatively by LDAP.
You can define sudoers options like the insults option or several others in the file /etc/sudoers. It is set under the Defaults entries section. Read through our last article, which explains 10 Useful Sudoers Configurations for Setting ‘sudo’ in Linux.
In this article, we will explain a sudoers configuration parameter to enable an individual or system administrator to set sudo command to insult system users who enter the wrong password.