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58 lines
1.8 KiB
Markdown
58 lines
1.8 KiB
Markdown
# Fedora Silverblue
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## TL;DR
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Changes to the base layer are executed in a new bootable filesystem root. This means that the system must be rebooted after a package has been layered.
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```shell
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# Check for available upgrades.
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rpm-ostree upgrade --check
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# Upgrade the system.
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rpm-ostree upgrade
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# Install packages.
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rpm-ostree install kmod-nvidia xorg-x11-drv-nvidia
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# Override packages.
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rpm-ostree override replace \
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local/path/to/podman-3.1.2-1.fc34.x86_64.rpm \
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https://kojipkgs.fedoraproject.org/packages/podman/3.1.2/1.fc34/x86_64/podman-plugins-3.1.2-1.fc34.x86_64.rpm
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# Remove packages.
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# Packages will still exist in the undelying base layer, but will not appear
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# in the booted root.
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rpm-ostree override remove nano
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# Rollback.
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rpm-ostree rollback
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# Make changes to the kernel's boot arguments.
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rpm-ostree kargs \
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--append=rd.driver.blacklist=nouveau \
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--append=modprobe.blacklist=nouveau \
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--append=nvidia-drm.modeset=1
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# Preview changes on the current filesystem.
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rpm-ostree ex apply-live
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```
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## Package layering
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Package layering works by modifying your Silverblue installation by extending the packages from which Silverblue is composed.
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Using package layering creates a new _deployment_, or bootable filesystem root which **does not** affect your current root. This means that the system must be rebooted after a package has been layered.
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If you don't want to reboot your system to switch to the new deployment, you can use `rpm-ostree ex apply-live` to update the current filesystem and be able to see the changes from the new deployment. It's generally expected that you use package layering sparingly, and use [flatpak]s and [toolbox].
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## Further readings
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- [User guide]
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- [Flatpak]
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- [Toolbox]
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[flatpak]: flatpak.md
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[toolbox]: toolbox.md
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[user guide]: https://docs.fedoraproject.org/en-US/fedora-silverblue/
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