OSTree Training Course

Introduction.

OSTree as a repository for filesystem trees.

• OSTree as an upgrade system for Linux-based operating systems.
• Setting up OSTree.

Overview of OSTree Features and Architecture.

OSTree Use Cases.

• Fedora Silverblue.
• Gnome Continuous.
• Flatpak.

Using 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.

• How to use rpm-ostree to create Fedora trees.
• How to use Debootstrap to create Debian/Ubuntu chroots.
• How to adapt existing chroots for use with OSTree.
• Committing, downloading, and deploying.

Upgrading a System.

• Transactional upgrades.
• Rollbacks.

Managing the bootloader configuration.

Installing Multiple Systems in Parallel.

• Bootable roots.

Tracking Revisions.

• Binary history on the server and client.

Using OSTree underneath a Package System.

• RPM-OStree as an example.

Maintaining Multiple Branches and Repositories.

Troubleshooting.

Summary and Conclusion.