Photon RPM OSTree: a simple guide

Contents

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Preface

1. Introduction
   1.1 What is OSTree? How about RPM-OSTree?
   1.2 Why use RPM-OSTree in Photon?
   1.3 Photon with RPM-OSTree installation profiles
   1.4 Terminology
   1.5 Sample code
   1.6 How to read this book
2. Installing a Photon RPM-OSTree host against default server repository
   2.1 Who is this for?
   2.2 Installing the ISO, step by step
3. Concepts in action
   3.1 Querying the deployed filetrees
   3.2 Bootable filetree version
   3.3 Commit ID
   3.4 OSname
   3.5 Refspec
   3.6 Deployments
4. Querying for commit, file and package metadata
   4.1 Commit history
   4.2 Listing file mappings
   4.3 Listing configuration changes
   4.4 Listing packages
   4.5 Querying for package details
5. Host updating operations
   5.1 Is it an update or an upgrade? 5.2 Incremental Upgrade
   5.3 Listing file differences
   5.4 Listing package differences
   5.5 Rollback
   5.6 Deleting a deployed filetree
   5.7 Version skipping upgrade
   5.8 Tracking parent commits
   5.9 Resetting a branch to a previous commit
   5.10 Switching to a different repository
6. Installing a Photon RPM-OSTree server
7. Installing a Photon RPM-OStree host against a custom server repository
8. File oriented server operations
   8.1 Checking out a filetree
   8.2 Committing changes to a filetree
   8.3 Downloading the changes at the host
9. Package oriented server operations
   9.1 JSON configuration file
   9.2 Package addition, removal, upgrade
   9.3 RPMS repository
   9.4 Composing a tree
   9.5 Automatic version prefix
   9.6 Starting a fresh repo
10. Remotes
    10.1 Listing remotes
    10.2 Switching repositories
    10.3 Adding and removing remotes
11. Running container applications between bootable images

Appendix A: Common admin tasks

• How to enable ssh
• How to change hostname

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About the author
Danut Moraru is a Senior QA Engineer in the Photon OS Development team.

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