awstats_update_all is a script that runs the AWStats statistics update process for all configured sites in parallel. Process priority and the number of processes executed in parallel are fully configurable. New AWStats sites are recognized automatically. It is designed to be run by cron.
SALI (Sara Automatic Linux Installer) is a tool that allows you to install Linux on multiple machines at once. It support several protocols for downloading by way of aria2 to install a machine. For example, BitTorrent and rsync are supported. SALI originates from SystemImager and still uses the same philosophy. It is a scalable method for performing unattended installation. SALI is mostly used in cluster setups.