[How To] Update An Ubuntu Daily ISO Using zsync

zsync is a nifty command-line utility that can keep files up-to-date with remote ones.

One of the most popular uses of zync on Ubuntu is for updating Ubuntu’s daily build image with the latest changes – saving the need to download the entire 800MB .iso again.

How It Works

zsync allows you to download a file from a remote server, but by comparing with a ...