maj process

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@ -1,5 +1,23 @@
 # pi-servers

+<!-- TOC -->
+
+- [pi-servers](#pi-servers)
+    - [Principe](#principe)
+    - [Process](#process)
+        - [Flash Debian 12 Headless on SD card with Balena etcher](#flash-debian-12-headless-on-sd-card-with-balena-etcher)
+        - [Boot the raspberry](#boot-the-raspberry)
+        - [Clone rpi-clone on SD card](#clone-rpi-clone-on-sd-card)
+        - [Launch the clone process to Nvme](#launch-the-clone-process-to-nvme)
+        - [Config the raspberry pi to boot from Nvme :warning: IMPORTANT**](#config-the-raspberry-pi-to-boot-from-nvme-warning-important)
+        - [Reboot](#reboot)
+        - [Overclock the raspberry](#overclock-the-raspberry)
+        - [Config the Ansible playbook inventory.yaml](#config-the-ansible-playbook-inventoryyaml)
+        - [Provision the raspberry pis to create the cluster](#provision-the-raspberry-pis-to-create-the-cluster)
+    - [Documentation](#documentation)
+
+<!-- /TOC -->
+
 ## Principe

 Installer un cluster K3S sur des raspberry pi 5 avec l'os sur Nvme.
@ -8,15 +26,92 @@ Installer un cluster K3S sur des raspberry pi 5 avec l'os sur Nvme.

 Pour chaque Raspberry pi du cluster, répéter ce process:

-1. Flash Debian 12 Headless on SD card
-2. Clone [rpi-clone](https://github.com/geerlingguy/rpi-clone.git) on SD card
-3. Boot the raspberry
-4. Launch the clone process to Nvme
-5. Config the raspberry pi to boot from Nvme :warning: **IMPORTANT**
-6. Reboot 
-7. Overclock the raspberry
-8. Config the Ansible playbook (inventory.yaml)
-9. Provision the raspberry pis to create the cluster
+### Flash Debian 12 Headless on SD card with [Balena etcher](https://etcher.balena.io/)
+
+
+### Boot the raspberry
+
+
+### Clone rpi-clone on SD card
+
+Git clone this repo: https://github.com/geerlingguy/rpi-clone.git:
+```bash
+git clone https://github.com/geerlingguy/rpi-clone.git
+cd rpi-clone
+sudo cp rpi-clone rpi-clone-setup /usr/local/sbin
+```
+
+### Launch the clone process to Nvme
+
+Clone to the NVMe drive (usually nvme0n1, but check with `lsblk`):
+```bash
+sudo rpi-clone nvme0n1
+```
+
+### Config the raspberry pi to boot from Nvme :warning: IMPORTANT**
+
+- Edit the `/boot/firmware/config.txt file`:
+```bash
+dtparam=pciex1
+
+# Note: You could also just add the following (it is an alias to the above line)
+# dtparam=nvme
+
+# Optionally, you can control the PCIe lane speed using this parameter
+# dtparam=pciex1_gen=3
+```
+
+- Change the boot order:
+```bash
+sudo rpi-eeprom-config --edit
+```
+
+- Change the last bit to `6`:
+```bash
+
+# Change the BOOT_ORDER line to the following:
+BOOT_ORDER=0xf416
+```
+
+### Reboot
+
+```bash
+sudo reboot
+```
+
+### Overclock the raspberry
+
+- Edit the `/boot/firmware/config.txt` file:
+```bash
+# Tell the DVFS algorithm to increase voltage by this amount (in µV; default 0).
+# IMPORTANT: See note below
+over_voltage_delta=50000
+
+# Set the Arm A76 core frequency (in MHz; default 2400).
+arm_freq=3000
+
+# Set the VideoCore VII core frequency (in MHz; default 800).
+gpu_freq=1000
+```
+
+### Config the Ansible playbook (inventory.yaml)
+
+- Git clone this repo: https://git.legaragenumerique.fr/GARAGENUM/ansible-garage-kluster
+
+- Edit the `inventory.yaml` file:
+```bash
+cd ansible-garage-kluster/
+nano inventory.yaml
+```
+
+- Configure the Master and Workers IPs
+
+### Provision the raspberry pis to create the cluster
+
+- Launch the playbook:
+```bash
+ansible-playbook -i inventory.yaml install-k3s-playbook.yaml
+```

 ## Documentation