qm-create: simplify example and add install media (#17547)

Co-authored-by: Dylan <145150333+dmmqz@users.noreply.github.com>

pages/linux/qm-create.md

@@ -3,13 +3,17 @@
 > Create or restore a virtual machine on QEMU/KVM Virtual Machine Manager.
 > More information: <https://pve.proxmox.com/pve-docs/qm.1.html>.
 
-- Create a virtual machine:
+- Create a virtual machine with access to 512MiB of memory and 1 CPU core:
 
 `qm {{[cr|create]}} {{100}}`
 
 - Automatically start the machine after creation:
 
-`qm {{[cr|create]}} {{100}} --start 1`
+`qm {{[cr|create]}} {{100}} --start`
+
+- Give the virtual machine a name:
+
+`qm {{[cr|create]}} {{100}} --name {{vm_name}}`
 
 - Specify the type of operating system on the machine:
 
@@ -23,6 +27,10 @@
 
 `qm {{[cr|create]}} {{100}} --hookscript {{path/to/script.pl}}`
 
+- Specify the install media:
+
+`qm {{[cr|create]}} {{100}} --cdrom {{local:iso/install-media.iso}}`
+
 - Create a VM that bridges itself to the host network:
 
 `qm {{[cr|create]}} {{100}} --net{{0}} virtio,bridge=vmbr{{0}}`