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119 lines
5.6 KiB
Markdown
119 lines
5.6 KiB
Markdown
---
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lang: en
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layout: doc
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permalink: /doc/upgrade/4.2/
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title: How to upgrade to Qubes 4.2
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---
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This page explains how to upgrade from Qubes 4.1 to Qubes 4.2. There are two
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ways to upgrade: a clean installation or an in-place upgrade. In general, a
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clean installation is simpler and less error-prone, but an in-place upgrade
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allows you to preserve your customizations.
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## Back up
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Before attempting either an in-place upgrade or a clean installation, we
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strongly recommend that you first [back up your
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system](/doc/how-to-back-up-restore-and-migrate/) so that you don't lose any
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data.
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## Clean installation
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If you would prefer to perform a clean installation rather than upgrading
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in-place:
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1. (optional) Run the updater to ensure all of your templates are in their latest version.
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2. Install the `qubes-dist-upgrade` tool. This is the inplace upgrade tool, which is not what we're doing. However it will be needed in order to prepare the templates for the 4.2 version. You install it with the following command in the dom0 terminal:
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sudo qubes-dom0-update -y qubes-dist-upgrade
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3. Change your templates to use the 4.2 repositories instead of the 4.1 ones. You do this with the following command in the dom0 terminal:
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qubes-dist-upgrade --template-standalone-upgrade
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**Note**: This step is critical to ensure the templates will receive updates once Qubes 4.1 reaches end-of-life (EOL) and was missing in previous clean installation instructions.
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4. Create a [backup](/doc/how-to-back-up-restore-and-migrate/#creating-a-backup) of your
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current installation.
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5. [Download](/downloads/) the latest 4.2 release.
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6. Follow the [installation guide](/doc/installation-guide/) to install Qubes
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4.2.
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7. [Restore from your backup](/doc/how-to-back-up-restore-and-migrate/#restoring-from-a-backup) on
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your new 4.2 installation.
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## In-place upgrade
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**Warning:** It is not possible to upgrade directly from releases earlier than
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4.1. If you're still on an earlier release, please either perform a [clean
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installation of 4.2](#clean-installation) or [upgrade to
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4.1](/doc/upgrade/4.1/) first.
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The upgrade may take several hours, and will download several gigabytes of
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data.
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In place upgrade is a complex operation. For this reason, we provide a
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`qubes-dist-upgrade` tool to handle all the necessary steps automatically. You
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can install it with the following command in the dom0 terminal:
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sudo qubes-dom0-update -y qubes-dist-upgrade
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The upgrade consists of six stages --- three before restarting the system ---
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labeled "STAGE 1" through "STAGE 3" in the options list below, and three after restarting the system --- labeled as "STAGE 4" through "STAGE 6" below.
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Full list of options can be obtained with `qubes-dist-upgrade --help`:
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Usage: qubes-dist-upgrade [OPTIONS]...
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This script is used for updating current QubesOS R4.1 to R4.2.
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Options:
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--update, -t (STAGE 1) Update of dom0, TemplatesVM and StandaloneVM.
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--release-upgrade, -r (STAGE 2) Update 'qubes-release' for Qubes R4.2.
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--dist-upgrade, -s (STAGE 3) Upgrade to Qubes R4.2 and Fedora 37 repositories.
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--template-standalone-upgrade, -l (STAGE 4) Upgrade templates and standalone VMs to R4.2 repository.
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--finalize, -x (STAGE 5) Finalize upgrade. It does:
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- resync applications and features
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- cleanup salt states
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--convert-policy, -p (STAGE 6) Convert qrexec policy in /etc/qubes-rpc/policy
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to the new format in /etc/qubes/policy.d.
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--all-pre-reboot Execute stages 1 to 3
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--all-post-reboot Execute stages 4 to 6
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--assumeyes, -y Automatically answer yes for all questions.
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--usbvm, -u Current UsbVM defined (default 'sys-usb').
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--netvm, -n Current NetVM defined (default 'sys-net').
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--updatevm, -f Current UpdateVM defined (default 'sys-firewall').
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--skip-template-upgrade, -j Don't upgrade TemplateVM to R4.2 repositories.
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--skip-standalone-upgrade, -k Don't upgrade StandaloneVM to R4.2 repositories.
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--only-update Apply STAGE 4 and resync appmenus only to
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selected qubes (comma separated list).
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--keep-running List of extra VMs to keep running during update (comma separated list).
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Can be useful if multiple updates proxy VMs are configured.
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--max-concurrency How many TemplateVM/StandaloneVM to update in parallel in STAGE 1
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(default 4).
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After installing the tool, before-reboot stages can be performed at once with:
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sudo qubes-dist-upgrade --all-pre-reboot
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Optionally, an `--assumeyes` (or `-y`) option can be used to automatically
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accept all the actions without confirmation.
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Alternatively, each upgrade stage can be started separately (see the list of
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options above).
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After completing "STAGE 1" through "STAGE 3", restart the system. Then perform
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the final steps:
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sudo qubes-dist-upgrade --all-post-reboot
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After performing those steps, it's recommended to restart the system one last time.
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When this completes, you can start using Qubes OS 4.2.
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## Update
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After upgrading or performing a clean installation, we strongly recommend
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[updating your system](/doc/how-to-update/).
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