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Update template switching instructions

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https://forum.qubes-os.org/t/17031
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Andrew David Wong 2023-02-26 12:10:27 -08:00
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@ -218,40 +218,58 @@ Please see [How to Reinstall a Template](/doc/reinstall-template/).
## Switching
When you install a new template or upgrade a clone of a template, it is
recommended that you switch everything that was set to the old template to the
When you install a new template or
[upgrade](/doc/how-to-update/#upgrading-to-avoid-eol) a template, it is
recommended that you switch everything that was using the old template to the
new template:
1. Make the new template the default template.
1. Make the new or upgraded template the default template. In the App Menu, go
to Qubes Tools, then click on Qubes Global Settings. In the Qube Defaults
section, next to Template, select the new or upgraded template from the
drop-down list. Press OK.
```
Applications Menu -> System Tools -> Qubes Global Settings -> Default template
```
2. Base your [disposable templates](/doc/glossary/#disposable-template) on the
new template. In the App Menu, go to Qubes Tools, then click on Qube
Manager. In the Qube Manager, find your disposable templates. (By default,
they end in `-dvm`.) Right click, then click on Settings. Next to Template,
select your new or upgraded template from the drop-down list. Press OK.
2. If your keyboard or mouse is connected through `sys-usb`, switch `sys-usb`
to the new template. (Note that this is a single command to ensure that
`sys-usb` restarts. If it does not, you will not be able to use your USB
keyboard or mouse.)
- If you receive an error message because there are running
[disposables](/doc/glossary/#disposable) based on this disposable
template, and your only keyboard and mouse are *not* connected through a
[USB qube](/doc/usb-qubes/), or that USB qube is *not* a disposable, then
shut down all disposables based on the disposable template and try again.
```
[user@dom0 ~]$ qvm-shutdown --wait sys-usb; qvm-prefs sys-usb template <NEW_TEMPLATE>; qvm-start sys-usb
```
- If your only keyboard or mouse *are* connected through a USB qube, and
that USB qube *is* a disposable, then you will have to enter a special
command that shuts down all of your qubes, switches the USB qube's
disposable template to the new template, then starts the USB qube again.
In order to avoid being locked out of your system, you must be very
careful to enter this command without typos and with the correct
substitutions.
3. Base app qubes on the new template.
In the App Menu, click on Terminal Emulator. Type the command below,
substituting `<SYS_USB_DISPOSABLE_TEMPLATE>` with the name of the
disposable template on which `sys-usb` is based, `<NEW_TEMPLATE>` with the
name of the new or upgraded template, and `<USB_QUBE>` with the name of
your USB qube. Other than these substitutions, make sure to enter the
command exactly as written.
```
Applications Menu -> System Tools -> Qubes Template Manager
```
```
qvm-shutdown --wait --all; qvm-prefs <SYS_USB_DISPOSABLE_TEMPLATE> template <NEW_TEMPLATE>; qvm-start <USB_QUBE>
```
4. Base the [disposable template](/doc/glossary/#disposable-template) on the new
template.
With substitutions, your command should look similar to this example.
(Warning: This is just an example. Do not attempt to use it.)
```
[user@dom0 ~]$ qvm-create -l red -t <NEW_TEMPLATE> <NEW_DISPOSABLE_TEMPLATE>
[user@dom0 ~]$ qvm-prefs <NEW_DISPOSABLE_TEMPLATE> template_for_dispvms True
[user@dom0 ~]$ qvm-features <NEW_DISPOSABLE_TEMPLATE> appmenus-dispvm 1
[user@dom0 ~]$ qubes-prefs default-dispvm <NEW_DISPOSABLE_TEMPLATE>
```
```
qvm-shutdown --wait --all; qvm-prefs fedora-01-dvm template fedora-02; qvm-start sys-usb
```
3. Base your app qubes on the new template. In the App Menu, go to Qubes Tools,
then click on Qubes Template Manager. Select all the templates based on the
old template (shown in the Current column). Next to "Change all selected
to," select the new or upgraded template from the drop-down list. Press OK.
## Advanced