# dnf config-manager > Manage DNF configuration options and repositories on Fedora-based systems. > More information: . - Add (and enable) a repository from a URL: `dnf config-manager --add-repo={{repository_url}}` - Print current configuration values: `dnf config-manager --dump` - Enable a specific repository: `dnf config-manager --set-enabled {{repository_id}}` - Disable specified repositories: `dnf config-manager --set-disabled {{repository_id1 repository_id2 ...}}` - Set a configuration option for a repository: `dnf config-manager --setopt={{option}}={{value}}` - Display help: `dnf config-manager --help-cmd`