knife:tldr:3fb3a

The command "knife role edit ${role_name}" is a command used in the Chef software to edit the attributes and properties of a specific role.

Here is a breakdown of the command:

• "knife" refers to the command-line tool used in Chef for managing infrastructure and interacting with the Chef server.
• "role" specifies that the object being manipulated is a role.
• "edit" indicates that the command is used to modify an existing role.
• "${role_name}" is a placeholder for the actual name of the role you want to edit. You need to replace "${role_name}" with the specific name of the role you wish to modify.

When you run this command, it will open the role in an editor (such as Vim or Notepad) allowing you to update the attributes, run lists, and other properties of the specified role. Once you save and close the editor, the modified role will be updated on the Chef server.