Update README.md

Author: taylorific

rockylinux/cloud/x86_64/README.md

@@ -1,6 +1,6 @@
 # Rocky Linux Cloud Images
 
-## Rock Linux 9
+## Rocky Linux 9 UEFI
 
 ```
 cd rockylinux/cloud/x86_64
@@ -53,3 +53,55 @@ $ virsh shutdown rockylinux-9
 $ virsh undefine rockylinux-9 --nvram --remove-all-storage
 ```
 
+## Rocky Linux 9 BIOS
+
+```
+cd rockylinux/cloud/x86_64
+packer init .
+PACKER_LOG=1 packer build \
+  -var-file rockylinux-9-bios-x86_64.pkrvars.hcl \
+  rockylinux.pkr.hcl
+```
+
+```
+$ sudo qemu-img convert \
+    -f qcow2 \
+    -O qcow2 \
+    output-rockylinux-9-bios-x86_64/rockylinux-9-bios-x86_64.qcow2 \
+    /var/lib/libvirt/images/rockylinux-9-bios-x86_64.qcow2
+$ sudo qemu-img resize \
+    -f qcow2 \
+    /var/lib/libvirt/images/rockylinux-9-bios-x86_64.qcow2 \
+    32G
+```
+
+```
+$ sudo apt-get install libosinfo-bin
+$ osinfo-query os
+```
+
+```
+virt-install \
+  --connect qemu:///system \
+  --name rockylinux-9-bios \
+  --boot uefi \
+  --memory 4096 \
+  --vcpus 2 \
+  --os-variant rocky9 \
+  --disk /var/lib/libvirt/images/rockylinux-9-bios-x86_64.qcow2,bus=virtio \
+  --network network=default,model=virtio \
+  --graphics spice \
+  --noautoconsole \
+  --console pty,target_type=serial \
+  --import \
+  --debug
+
+virsh console rockylinux-9-bios
+
+# login with packer user
+```
+
+```
+$ virsh shutdown rockylinux-9-bios
+$ virsh undefine rockylinux-9-bios --nvram --remove-all-storage
+```