virt-sysprep: add page (#5824)

* virt-sysprep: add page

* Update pages/common/virt-sysprep.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* Update pages/common/virt-sysprep.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* virt-sysprep: edit the specified operations example

Number the operations and remove the spaces (which throw an error).

* Update pages/common/virt-sysprep.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* Update pages/common/virt-sysprep.md

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>

* Update pages/common/virt-sysprep.md

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

* Update pages/common/virt-sysprep.md

Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

Co-authored-by: marchersimon <50295997+marchersimon@users.noreply.github.com>
Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>

pages/common/virt-sysprep.md

@@ -0,0 +1,20 @@
+# virt-sysprep
+
+> Reset, unconfigure, or customize a virtual machine image.
+> More information: <https://manned.org/virt-sysprep>.
+
+- List all supported operations (enabled operations are indicated with asterisks):
+
+`virt-sysprep --list-operations`
+
+- Run all enabled operations but don't actually apply the changes:
+
+`virt-sysprep --domain {{vm_name}} --dry-run`
+
+- Run only the specified operations:
+
+`virt-sysprep --domain {{vm_name}} --operations {{operation1,operation2,...}}`
+
+- Generate a new `/etc/machine-id` file and enable customizations to be able to change the host name to avoid network conflicts:
+
+`virt-sysprep --domain {{vm_name}} --enable {{customizations}} --hostname {{host_name}} --operation {{machine-id}}`