add doublequotes to VNC invocation

Author: Max Roby

docs/12-self-hosting/03-host-creation/03-QEMU/02-linux-cloudimage.mdx

@@ -153,7 +153,7 @@ customize the cloud-image immediately upon booting, prior to user-space initiali
     -drive if=virtio,format=raw,file=seed.img,index=0,media=disk \
     -bios /usr/share/ovmf/OVMF.fd \
     -usbdevice tablet \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 - Boot existing guest
@@ -172,7 +172,7 @@ customize the cloud-image immediately upon booting, prior to user-space initiali
     -drive if=none,id=disk,cache=none,format=qcow2,aio=threads,file=disk.qcow2 \
     -bios /usr/share/ovmf/OVMF.fd \
     -usbdevice tablet \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 ## Connect to the VM

docs/12-self-hosting/03-host-creation/03-QEMU/03-linux-liveiso.mdx

@@ -99,7 +99,7 @@ physical machines and are suited for use in long-lived virtual-private servers.
     -netdev user,id=network,hostfwd=tcp::"${VM_SSH_PORT}"-:"${HOST_SSH_PORT}" \
     -bios /usr/share/ovmf/OVMF.fd \
     -usbdevice tablet \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 - Boot existing guest:
@@ -120,7 +120,7 @@ physical machines and are suited for use in long-lived virtual-private servers.
     -netdev user,id=network,hostfwd=tcp::"${VM_SSH_PORT}"-:"${HOST_SSH_PORT}" \
     -bios /usr/share/ovmf/OVMF.fd \
     -usbdevice tablet \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 ## Connect via VNC

docs/12-self-hosting/03-host-creation/03-QEMU/04-windows.mdx

@@ -182,7 +182,7 @@ Windows version during setup.
     -serial stdio -vga virtio -parallel none \
     -device virtio-net-pci,netdev=network \
     -netdev user,id=network,hostfwd=tcp::3389-:3389 \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 - Boot existing guest:
@@ -200,7 +200,7 @@ Windows version during setup.
     -serial stdio -vga virtio -parallel none \
     -device virtio-net-pci,netdev=network \
     -netdev user,id=network,hostfwd=tcp::3389-:3389 \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 ### Manual Install With Virtio Drive
@@ -224,7 +224,7 @@ Windows version during setup.
     -serial stdio -vga virtio -parallel none \
     -device virtio-net-pci,netdev=network \
     -netdev user,id=network,hostfwd=tcp::3389-:3389 \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 - Boot existing guest:
@@ -247,7 +247,7 @@ Windows version during setup.
     -serial stdio -vga virtio -parallel none \
     -device virtio-net-pci,netdev=network \
     -netdev user,id=network,hostfwd=tcp::3389-:3389 \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 ### Boot from CD

docs/12-self-hosting/03-host-creation/03-QEMU/05-macos.mdx

@@ -127,7 +127,7 @@ problematic but modern AMD Ryzen processors work just fine.
     -usbdevice tablet \
     -device usb-kbd,bus=ehci.0 \
     -netdev user,id=network,hostfwd=tcp::"${VM_SSH_PORT}"-:"${HOST_SSH_PORT}" \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 - Boot an existing guest
@@ -157,7 +157,7 @@ problematic but modern AMD Ryzen processors work just fine.
     -usbdevice tablet \
     -device usb-kbd,bus=ehci.0 \
     -netdev user,id=network,hostfwd=tcp::"${VM_SSH_PORT}"-:"${HOST_SSH_PORT}" \
-    -vnc $HOST_ADDRESS:$VNC_PORT
+    -vnc "$HOST_ADDRESS":"$VNC_PORT"
   ```
 
 ## Connect to the VM using VNC.