diff --git a/README.md b/README.md
index 3da1e82..1a5766e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,30 @@
 # Two
 
-this project is Two with bash on first move
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+this project is Two with bash on first move
+
+
+## Prepare kvm
+
+```
+apt-get install -y \
+  vim \
+  htop \
+  socat \
+  ebtables \                          # filtre arp
+  qemu-system qemu-utils qemu-kvm \   # qemu install
+  genisoimage \                       # cloud-init file
+  curl \
+  whois \
+  tcpdump \
+  bridge-utils                        # bridge add
+```
+
+
+```
+ebtables -L --Lc
+ebtables -D FORWARD -p arp --arp-op Request --arp-ip-dst 240.0.0.1 -j DROP
+ebtables -A FORWARD -p arp --arp-op Request --arp-ip-dst 240.0.0.1 -j DROP
+ebtables -L --Lc
+
+genisoimage -output seed.iso -volid cidata -joliet -rock meta-data user-data network-config
+```
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diff --git a/seed/meta-data b/seed/meta-data
new file mode 100644
index 0000000..64c544f
--- /dev/null
+++ b/seed/meta-data
@@ -0,0 +1,2 @@
+instance-id: iid-local03
+local-hostname: my-vm-03
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diff --git a/seed/network-config b/seed/network-config
new file mode 100644
index 0000000..59c6c12
--- /dev/null
+++ b/seed/network-config
@@ -0,0 +1,14 @@
+version: 2
+renderer: networkd
+ethernets:
+  eth0:
+    dhcp4: false
+    addresses:
+      - 240.0.1.3/4
+    routes:
+      - to: 0.0.0.0/0
+        via: 240.0.0.1
+    nameservers:
+      addresses:
+        - 8.8.8.8
+        - 1.1.1.1
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diff --git a/seed/user-data b/seed/user-data
new file mode 100644
index 0000000..d9f4f50
--- /dev/null
+++ b/seed/user-data
@@ -0,0 +1,8 @@
+#cloud-config
+users:
+  - name: nicolas
+    lock_passwd: false
+    passwd: "$5$K4nmmwy8HXUZvUbL$8987jEXLGdXyXhF5WPbscg5PjCXqN3jOo6lcjWXg5IC"
+    doas: [permit nopass nicolas]
+    ssh_authorized_keys:
+      - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDNxP6+vpKgqLfQ4aA90MezAkqgBtwXYWnhNQznXH6bU root@lab3
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diff --git a/start_vm.sh b/start_vm.sh
new file mode 100644
index 0000000..805d762
--- /dev/null
+++ b/start_vm.sh
@@ -0,0 +1,16 @@
+rm nocloud_alpine.qcow2
+cp nocloud* nocloud_alpine.qcow2
+
+qemu-system-x86_64 \
+  -enable-kvm \
+  -cpu host \
+  -m 512 \
+  -smp 1 \
+  -serial unix:/tmp/vm-serial.sock,server,nowait \
+  -monitor unix:/tmp/vm-monitor.sock,server,nowait \
+  -daemonize \
+  -display none \
+  -drive file=./seed/seed.iso,media=cdrom,if=ide \
+  -drive file=nocloud_alpine.qcow2,format=qcow2,if=virtio \
+  -netdev tap,id=net0,ifname=tap551,script=no,downscript=no \
+  -device virtio-net-pci,netdev=net0,mac=52:54:00:12:34:56
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