OSTree Training Course

Introduction

OSTree as a repository for filesystem trees

• OSTree as an upgrade mechanism for Linux-based operating systems
• Configuring OSTree.

Overview of OSTree Features and Architecture

OSTree Use Cases

• Fedora Silverblue
• Gnome Continuous
• flatpak

Working with the OSTree CLI

• Command Line Tools

Understanding the Content-Addressed-Object Store

• Checking out files via hard links

Replicating Content

• GPG signatures and pinned TLS support

Version Controlling a Bootable Filesystem Tree

• Utilizing rpm-ostree to create Fedora trees
• Utilizing Debootstrap to create Debian/Ubuntu chroots
• Adapting existing chroots for OSTree compatibility
• Committing, downloading, and deploying

Upgrading a System

• Transactional upgrades
• Rollbacks

Managing bootloader configuration.

Installing Multiple Systems in Parallel

• Bootable roots

Tracking Revisions

• Binary history on the server and client

Using OSTree beneath a Package System

• RPM-OStree as an example

Maintaining Multiple Branches and Repositories

Troubleshooting

Summary and Conclusion