Several small userv services, which allow certain system configuration actions to be delegated. In each case the service is disabled unless enabled by symlink /etc/userv/services.d/* -> ../services-available/*.

ipif - allow non-root users to create network interfaces ucgi - run CGI programs in providing user's account mailq - allow users to view the mail queue ndc-reload - allow certain users to reload the nameserver checkpasswd-* - allow users to run a UNIX password check groupmanage - allow users to create and manage a few groups each