Silverblue

Fedora Silverblue's immutable design.

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. Upgrade/downgrade

rpm-ostree rebase fedora:fedora/rawhide/x86_64/silverblue
rpm-ostree rebase fedora:fedora/41/x86_64/silverblue

Replace

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

list installed rpm-ostree installed packages

rpm-ostree status --json | jq -r '.deployments[0].packages|flatten[]' | xargs

add repo

sudo curl https://copr.fedorainfracloud.org/coprs/ojab/openvpn3/repo/fedora-40/ojab-openvpn3-fedora-40.repo -o /etc/yum.repos.d/openvpn3.repo

add repo via dnf copr enable

 toolbox create
 toolbox enter
 dnf copr enable -y dsommers/openvpn3-devsnapshots
 copy file under /etc/yum.repos.d/
Example
 cat > /etc/yum.repos.d/_copr:copr.fedorainfracloud.org:dsommers:openvpn3-devsnapshots.repo << 'EOF'
 name=Copr repo for openvpn3-devsnapshots owned by dsommers
 baseurl=https://download.copr.fedorainfracloud.org/results/dsommers/openvpn3-devsnapshots/fedora-$releasever-$basearch/
 type=rpm-md
 skip_if_unavailable=True
 gpgcheck=1
 gpgkey=https://download.copr.fedorainfracloud.org/results/dsommers/openvpn3-devsnapshots/pubkey.gpg
 repo_gpgcheck=0
 enabled=1
 enabled_metadata=1
 EOF

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>

Install without reboot

rpm-ostree install --apply-live <packages>

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