Steer newbies away from in-place upgrades even more

https://qubes-os.discourse.group/t/cat-etc-fedora-release-what-to-do-if-wrong-version/4510/6

user/managing-os/debian/debian-upgrade.md

@@ -14,6 +14,12 @@ title: In-place upgrade of Debian TemplateVMs
 
 # Upgrading Debian TemplateVMs
 
+<div class="alert alert-danger" role="alert">
+  <i class="fa fa-exclamation-triangle"></i>
+  <b>Warning:</b> This page is intended for advanced users only. Most users seeking to upgrade should instead <a href="/doc/templates/debian/#installing">install a new Debian TemplateVM</a>. Learn more about the two options <a href="/doc/templates/debian/#upgrading">here</a>.
+</div>
+
+
 This page provides instructions for performing an in-place upgrade of an installed [Debian TemplateVM](/doc/templates/debian/).
 If you wish to install a new, unmodified Debian TemplateVM instead of upgrading a template that is already installed in your system, please see the [Debian TemplateVM](/doc/templates/debian/) page instead. ([Learn more about the two options.](/doc/templates/debian/#upgrading))
 

user/managing-os/debian/debian.md

@@ -48,9 +48,9 @@ For routine daily TemplateVM updates within a given Debian release, see [Updatin
 
 There are two ways to upgrade your TemplateVM to a new Debian release:
 
-- [Install a fresh template to replace the existing one.](#installing) This option may be simpler for less experienced users. After you install the new template, redo all desired template modifications and [switch everything that was set to the old template to the new template](/doc/templates/#switching). You may want to write down the modifications you make to your templates so that you remember what to redo on each fresh install. In the old Debian template, see `/var/log/dpkg.log` and `/var/log/apt/history.log` for logs of package manager actions.
+- [Install a fresh template to replace the existing one.](#installing) **This option may be simpler for less experienced users.** After you install the new template, redo all desired template modifications and [switch everything that was set to the old template to the new template](/doc/templates/#switching). You may want to write down the modifications you make to your templates so that you remember what to redo on each fresh install. In the old Debian template, see `/var/log/dpkg.log` and `/var/log/apt/history.log` for logs of package manager actions.
 
-- [Perform an in-place upgrade of an existing Debian template.](/doc/template/debian/upgrade/) This option will preserve any modifications you've made to the template, but it may be more complicated for less experienced users.
+- [Perform an in-place upgrade of an existing Debian template.](/doc/template/debian/upgrade/) This option will preserve any modifications you've made to the template, **but it may be more complicated for less experienced users.**
 
 ## Release-specific notes
 

user/managing-os/fedora/fedora-upgrade.md

@@ -25,6 +25,11 @@ title: In-place upgrade of Fedora TemplateVMs
 
 # Upgrading Fedora TemplateVMs
 
+<div class="alert alert-danger" role="alert">
+  <i class="fa fa-exclamation-triangle"></i>
+  <b>Warning:</b> This page is intended for advanced users only. Most users seeking to upgrade should instead <a href="/doc/templates/fedora/#installing">install a new Fedora TemplateVM</a>. Learn more about the two options <a href="/doc/templates/fedora/#upgrading">here</a>.
+</div>
+
 This page provides instructions for performing an in-place upgrade of an installed [Fedora TemplateVM](/doc/templates/fedora/).
 If you wish to install a new, unmodified Fedora TemplateVM instead of upgrading a template that is already installed in your system, please see the [Fedora TemplateVM](/doc/templates/fedora/) page instead. ([Learn more about the two options.](/doc/templates/fedora/#upgrading))
 

user/managing-os/fedora/fedora.md

@@ -40,7 +40,7 @@ For routine daily updates within a given release, see [Updating software in Temp
 
 There are two ways to upgrade your TemplateVM to a new Fedora release:
 
-- [Install a fresh template to replace the existing one.](#installing) This option may be simpler for less experienced users. After you install the new template, redo all desired template modifications and [switch everything that was set to the old template to the new template](/doc/templates/#switching). You may want to write down the modifications you make to your templates so that you remember what to redo on each fresh install. To see a log of package manager actions, open a terminal in the old Fedora template and use the `dnf history` command.
+- [Install a fresh template to replace the existing one.](#installing) **This option may be simpler for less experienced users.** After you install the new template, redo all desired template modifications and [switch everything that was set to the old template to the new template](/doc/templates/#switching). You may want to write down the modifications you make to your templates so that you remember what to redo on each fresh install. To see a log of package manager actions, open a terminal in the old Fedora template and use the `dnf history` command.
 
-- [Perform an in-place upgrade of an existing Fedora template.](/doc/template/fedora/upgrade/) This option will preserve any modifications you've made to the template, but it may be more complicated for less experienced users.
+- [Perform an in-place upgrade of an existing Fedora template.](/doc/template/fedora/upgrade/) This option will preserve any modifications you've made to the template, **but it may be more complicated for less experienced users.**