rc-update:tldr:74665

This command is used to delete a specific service from the runlevel configuration in a system that uses OpenRC as the init system. Here's a breakdown of the command:

• sudo: The command is run with administrative privileges. This allows the user to modify system settings that require elevated permissions.
• rc-update: It is the command-line tool used to manage the OpenRC runlevel configuration.
• --all: This option indicates that the command should perform the action on all runlevels. This means that the specified service will be removed from all runlevels.
• delete: This command is used to delete a service from the runlevel configuration.
• ${service_name}: This is a placeholder that needs to be replaced with the actual name of the service you want to delete from the runlevel configuration. For example, if you want to delete the "apache2" service, you would replace ${service_name} with "apache2".

By running this command with the appropriate service name, you will remove the specified service from all runlevels in the OpenRC configuration. This means that the service will no longer start automatically when the system boots up or switches runlevels.