# Packaging Understand Launchpad’s packaging infrastructure, including how packages are built, uploaded, and distributed by exploring the concepts behind Personal Package Archives (PPAs), build processes, and package management on Launchpad. #### IMPORTANT This document has been migrated from help.launchpad.net as is, and has not yet been revised. The content might be outdated, links and images could be broken. We are aware and will fix any issues as soon as possible. * [Packaging](https://ubuntu.com/docs/launchpad/user/explanation/packaging/packaging/index.html.md) * [Package upload errors](https://ubuntu.com/docs/launchpad/user/explanation/packaging/package-upload-errors/index.html.md)