Silverblue

Fedora Silverblue's immutable design.

ostree

Basic Commands

Update to latest

rpm-ostree upgrade

Get system status. Installed rpm:s are defined as LayeredPackages

rpm-ostree status

Find available updates

rpm-ostree upgrade --check

Find suitable repository.

ostree remote refs fedora | grep silverblue | grep x86_64

Set repository. Switch os.

rpm-ostree rebase fedora:fedora/rawhide/x86_64/silverblue

Replace

rpm-ostree override remove nfs-utils-coreos --install nfs-utils

Remotes

Add a remote

ostree remote add <REMOTE> <URL>

Remove a remote

ostree remote delete <REMOTE>

List configured remotes

ostree remote list

List remote contents

ostree remote refs <REMOTE>

Layered Packages

Uninstall a layered package

rpm-ostree uninstall <PACKAGE>

Install a layered package

rpm-ostree install <PACKAGE>

Debugging and Rollback

Remove the previous deployment

rpm-ostree cleanup --rollback

Download older commits

ostree pull --commit-metadata-only --depth=<n> <REMOTE> <BRANCH>

Make the previous deployment the default boot entry

rpm-ostree rollback

List downloaded commits

ostree log <REMOTE>:<BRANCH>

Replace rpm

rpm-ostree override replace <path to package>

pin a deployment so that you do not lose it

ostree admin pin 0

Unpin

ostree admin pin --unpin 0