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Update Fedora TemplateVM upgrade instructions
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Andrew David Wong
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03e0cb27b4
@ -15,6 +15,9 @@ Upgrading the Fedora 23 Template
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Summary: Upgrading the Standard Fedora 23 Template to Fedora 24
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---------------------------------------------------------------
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**Note:** The prompt on each line indicates where each command should be entered
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(`@dom0` or `@fedora-24`).
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[user@dom0 ~]$ qvm-clone fedora-23 fedora-24
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[user@dom0 ~]$ truncate -s 5GB /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-run -a fedora-24 gnome-terminal
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@ -38,7 +41,10 @@ Detailed: Upgrading the Standard Fedora 23 Template to Fedora 24
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These instructions will show you how to upgrade the standard Fedora 23
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TemplateVM to Fedora 24. The same general procedure may be used to upgrade any
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template based on the standard Fedora 23 template.
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template based on the standard Fedora 23 template.
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**Note:** The command-line prompt on each line indicates where each command
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should be entered (`@dom0` or `@fedora-24`).
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1. Ensure the existing template is not running.
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@ -68,59 +74,72 @@ template based on the standard Fedora 23 template.
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line refers to a location on your local disk), so you can safely say yes to
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this prompt.
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4. Shutdown the new TemplateVM via dom0 command line or Qubes VM Manager;
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**Note:** If you encounter no errors, proceed to step 4. If you do encounter
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errors, see the next two points first.
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* If `dnf` reports that you do not have enough free disk space to proceed
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with the upgrade process, create an empty file in dom0 to use as a cache
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and attach it to the template as a virtual disk.
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[user@dom0 ~]$ truncate -s 5GB /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-block -A fedora-24 dom0:/var/tmp/template-upgrade-cache.img
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Then reattempt the upgrade process, but this time use the virtual disk
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as a cache.
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[user@fedora-24 ~]$ sudo mkfs.ext4 /dev/xvdi
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[user@fedora-24 ~]$ sudo mount /dev/xvdi /mnt/removable
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[user@fedora-24 ~]$ sudo dnf clean all
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[user@fedora-24 ~]$ sudo dnf --releasever=24 --setopt=cachedir=/mnt/removable distro-sync
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If this attempt is successful, proceed to step 4.
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* `dnf` may complain:
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At least X MB more space needed on the / filesystem.
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In this case, one option is to [resize the TemplateVM's disk
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image][resize-disk-image] before reattempting the upgrade process.
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(See [Additional Information] below for other options.)
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4. Shut down the new TemplateVM (from the command-line or Qubes VM Manager).
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[user@dom0 ~]$ qvm-shutdown fedora-24
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If you encounter no errors, proceed to step 7.
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5. If `dnf` reports that you do not have enough free disk space to proceed with
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the upgrade process, create an empty file in dom0 to use as a cache and
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attach it to the template as a virtual disk.
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[user@dom0 ~]$ truncate -s 5GB /var/tmp/template-upgrade-cache.img
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[user@dom0 ~]$ qvm-block -A fedora-24 dom0:/var/tmp/template-upgrade-cache.img
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Then reattempt the upgrade process, but this time using the virtual disk as
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a cache.
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[user@fedora-24 ~]$ sudo mkfs.ext4 /dev/xvdi
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[user@fedora-24 ~]$ sudo mount /dev/xvdi /mnt/removable
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[user@fedora-24 ~]$ sudo dnf clean all
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[user@fedora-24 ~]$ sudo dnf --releasever=24 --setopt=cachedir=/mnt/removable distro-sync
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(Poweroff via Qubes VM Manager. May need to be killed.)
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6. `dnf` may complain:
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At least X MB more space needed on the / filesystem.
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In this case, one option is to [resize the TemplateVM's disk
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image](/doc/ResizeDiskImage/) before reattempting the upgrade process.
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(See **Additional Information** below for other options.)
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7. After the upgrade process is finished, remove the cache file, if you
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created one.
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5. Remove the cache file, if you created one.
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[user@dom0 ~]$ rm /var/tmp/template-upgrade-cache.img
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8. Trim the new template (see **Compacting the Upgraded Template** for details
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6. Trim the new template (see [Compacting the Upgraded Template] for details
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and other options).
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[user@dom0 ~]$ qvm-trim-template fedora-24
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9. (Optional) Switch everything that was set to the old template to the new
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7. (Recommended) Switch everything that was set to the old template to the new
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template, e.g.:
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1. Make the new template the default template
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(Qubes Manager --> Global settings --> Default template)
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2. Base AppVMs on the new template
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(Qubes Manager --> VM settings --> Template)
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3. Base the [DispVM](/doc/dispvm/) template on the new template
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(From dom0, issue `qvm-create-default-dvm --default-template` or
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`qvm-create-default-dvm fedora-24`.)
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1. Make the new template the default template:
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10. (Optional) Remove the old default template.
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Qubes Manager --> Global settings --> Default template
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2. Base AppVMs on the new template. In Qubes Manager, for each VM that is
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currently based on `fedora-23` that you would like to base on
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`fedora-24`, enter its VM settings and change the Template selection:
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Qubes Manager --> (Select a VM) --> VM settings --> Template
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3. Base the [DispVM] template on the new template.
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If you have set the new template as your default template:
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[user@dom0 ~]$ qvm-create-default-dvm --default-template
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Otherwise:
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[user@dom0 ~]$ qvm-create-default-dvm fedora-24
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8. (Optional) Remove the old template. (Make sure to type `fedora-23`, not
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`fedora-24`.)
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[user@dom0 ~]$ sudo dnf remove qubes-template-fedora-23
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@ -128,6 +147,9 @@ template based on the standard Fedora 23 template.
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Summary: Upgrading the Minimal Fedora 23 Template to Fedora 24
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--------------------------------------------------------------
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**Note:** The prompt on each line indicates where each command should be entered
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(`@dom0` or `@fedora-24`).
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[user@dom0 ~]$ qvm-clone fedora-23-minimal fedora-24-minimal
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[user@dom0 ~]$ qvm-run -a fedora-24-minimal xterm
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[user@fedora-24-minimal ~]$ su -
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@ -167,7 +189,7 @@ really necessary after upgrading.
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You can use the `qvm-trim-template` tool:
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[user@dom0 ~]$ qvm-trim-template fedora-24
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[user@dom0 ~]$ qvm-trim-template fedora-24
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Additional Information
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@ -179,7 +201,7 @@ As mentioned above, you may encounter the following `dnf` error:
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In this case, you have several options:
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1. [Increase the TemplateVM's disk image size](/doc/resize-disk-image/).
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1. [Increase the TemplateVM's disk image size][resize-disk-image].
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This is the solution mentioned in the main instructions above.
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2. Delete files in order to free up space. One way to do this is by
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uninstalling packages. You may then reinstalling them again after you
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@ -191,8 +213,15 @@ In this case, you have several options:
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5. Do not perform an in-place upgrade. Instead, simply download and install a
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new template package, then redo all desired template modifications.
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With regard to the last option, here are some useful messages from the mailing
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list which also apply to TemplateVM management and migration in general:
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With regard to the last option, here are some useful messages from the
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mailing list which also apply to TemplateVM management and migration in
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general:
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* [Marek](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/dS1jbLRP9n8J)
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* [Jason M](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/5PxDfI-RKAsJ)
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* [Marek](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/dS1jbLRP9n8J)
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* [Jason M](https://groups.google.com/d/msg/qubes-users/mCXkxlACILQ/5PxDfI-RKAsJ)
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[resize-disk-image]: /doc/resize-disk-image/
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[Additional Information]: #additional-information
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[Compacting the Upgraded Template]: #compacting-the-upgraded-template
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[DispVM]: /doc/dispvm/
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