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86 lines
3.8 KiB
Markdown
86 lines
3.8 KiB
Markdown
---
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layout: doc
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title: How to Reinstall a TemplateVM
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permalink: /doc/reinstall-template/
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redirect_from:
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- /doc/whonix/reinstall/
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---
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How to Reinstall a TemplateVM
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=============================
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If you suspect your [TemplateVM] is broken, misconfigured, or compromised, you can reinstall any TemplateVM that was installed from the Qubes repository.
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Automatic Method
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----------------
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First, copy any files that you wish to keep from the TemplateVM's `/home` and `/rw` folders to a safe storage location.
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Then, in a dom0 terminal, run:
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$ sudo qubes-dom0-update --action=reinstall qubes-template-package-name
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Replace `qubes-template-package-name` with the name of the *package* of the template you wish to reinstall.
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For example, use `qubes-template-fedora-25` if you wish to reinstall the `fedora-25` template.
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Only one template can be reinstalled at a time.
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Note that Qubes may initially refuse to perform the reinstall if the exact revision of the template package on your system is no longer in the Qubes online repository.
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In this case, you can specify `upgrade` as the action instead and the newer version will be used.
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The other `dnf` package actions that are supported in addition to `reinstall` and `upgrade` are `upgrade-to` and `downgrade`.
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Note that the `upgrade`, `upgrade-to`, and `downgrade` commands are only supported under Fedora based UpdateVMs.
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If you receive a message about them being unsupported, review the manual reinstallation method below.
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**Reminder:** If you're trying to reinstall a template that is not in an enabled repo, you must enable that repo.
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For example:
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$ sudo qubes-dom0-update --enablerepo=qubes-templates-community --action=reinstall qubes-template-whonix-ws
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**Note:** VMs that are using the reinstalled template will not be affected until they are restarted.
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Manual Method
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-------------
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In what follows, the term "target TemplateVM" refers to whichever TemplateVM you want to reinstall.
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If you want to reinstall more than one TemplateVM, repeat these instructions for each one.
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1. Clone the existing target TemplateVM.
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This can be a good idea if you've customized the existing template and want to keep your customizations.
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On the other hand, if you suspect that this template is broken, misconfigured, or compromised, be certain you do not start any VMs using it in the below procedure.
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2. Temporarily change all VMs based on the target TemplateVM to the new clone template, or remove them.
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This can be a good idea if you have user data in these VMs that you want to keep.
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On the other hand, if you suspect that these VMs (or the templates on which they are based) are broken, misconfigured, or compromised, you may want to remove them instead.
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You can do this in Qubes Manager by right-clicking on the VM and clicking **Remove VM**, or you can use the command `qvm-remove <vm-name>` in dom0.
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3. Uninstall the target TemplateVM from dom0:
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$ sudo dnf remove <template-package-name>
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For example, to uninstall the `whonix-gw` template:
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$ sudo dnf remove qubes-template-whonix-gw
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4. Reinstall the target TemplateVM in dom0:
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$ sudo qubes-dom0-update --enablerepo=<optional-additional-repo> \
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<template-package-name>
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For example, to install the `whonix-gw` template:
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$ sudo qubes-dom0-update --enablerepo=qubes-templates-community \
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qubes-template-whonix-gw
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5. If you temporarily changed all VMs based on the target TemplateVM to the clone template in step 3, change them back to the new target TemplateVM now.
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If you instead removed all VMs based on the old target TemplateVM, you can recreate your desired VMs from the newly reinstalled target TemplateVM now.
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6. Delete the cloned template.
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You can do this in Qubes Manager by right-clicking on the VM and clicking **Remove VM**, or you can use the
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command `qvm-remove <vm-name>` in dom0.
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[TemplateVM]: /doc/templates/
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