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+*.qcow2
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1 +1,26 @@
-# ft_chatons
\ No newline at end of file
+# ft_chatons
+
+## System
+
+- Debian Stable (13)
+- VM with 4GO RAM
+- qemu, img qcow2
+- only one partition for the system = 20GO max (except /boot)
+- root password disable (only sudo use)
+- no graphics
+- ssh server  (root ssh disable and not port 22)
+- swap file at the root (2GO)
+- htop and docker installed
+
+```bash
+## Create a VM
+qemu-img create -f qcow2 ft_chatons.qcow2 20G
+
+## To launch the VM
+qemu-system-x86_64 \
+-nographic -serial mon:stdio \
+-enable-kvm -cpu host -smp 4 -m 4G \
+-device e1000,netdev=net0 \
+-drive if=pflash,format=raw,readonly=on,file=/CHEMIN_VERS_LE_FICHIER_OVMF \
+-hda ft_chatons.qcow2
+```
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