kyx / install_archlinux.sh

#!/usr/bin/env zsh set -euo nounset ############################################# # Arch Linux install non-interactif (UEFI) # - ESP montée sur /boot de 2G (FAT32) # - Wi-Fi via wlan0 (SSID/PSK en variables) # # ATTENTION: CE SCRIPT EFFACE LE DISQUE. # À lancer depuis l'ISO Arch (archiso) en root. ############################################# ### ====== VARIABLES À REMPLIR ====== DISK="/dev/nvme0n1" # ex: /dev/sda ou /dev/nvme0n1 HOSTNAME="arch" USERNAME="user" USER_PASSWORD="changeme" ROOT_PASSWORD="changeme" WIFI_INTERFACE="wlan0" WIFI_SSID="TON_SSID" WIFI_PSK="TON_PSK" TIMEZONE="Europe/Paris" LOCALE="fr_FR.UTF-8" KEYMAP="fr" ### ================================= die() { echo -u2 "ERROR: $*" exit 1 } need() { command -v "$1" >/dev/null 2>&1 || die "Commande manquante: $1" } for c in sgdisk mkfs.fat mkfs.ext4 mount umount pacstrap genfstab arch-chroot iwctl; do need "$c" done [[ -b "$DISK" ]] || die "Disque invalide: $DISK" echo "==> Vérification UEFI..." [[ -d /sys/firmware/efi ]] || die "UEFI requis" echo "==> Synchronisation de l'heure..." timedatectl set-ntp true 2>/dev/null || true echo "==> Connexion Wi-Fi ($WIFI_INTERFACE)..." iwctl --passphrase "$WIFI_PSK" station "$WIFI_INTERFACE" connect "$WIFI_SSID" \ || die "Connexion Wi-Fi échouée" ping -c 6 ambrya.eu >/dev/null 2>&1 || die "Pas d'accès réseau" echo "==> Partitionnement GPT sur $DISK" swapoff -a 2>/dev/null || true umount -R /mnt 2>/dev/null || true PART_PREFIX="$DISK" [[ "$DISK" == *nvme* ]] && PART_PREFIX="${DISK}p" BOOT_PART="${PART_PREFIX}1" ROOT_PART="${PART_PREFIX}2" sgdisk --zap-all "$DISK" sgdisk -n 1:0:+2G -t 1:ef00 -c 1:"EFI_SYSTEM" "$DISK" sgdisk -n 2:0:0 -t 2:8300 -c 2:"ARCH_ROOT" "$DISK" partprobe "$DISK" sleep 2 echo "==> Formatage..." mkfs.fat -F32 -n BOOT "$BOOT_PART" mkfs.ext4 -F -L ROOT "$ROOT_PART" echo "==> Montage..." mount "$ROOT_PART" /mnt mkdir -p /mnt/boot mount "$BOOT_PART" /mnt/boot echo "==> Installation du système de base..." pacstrap -K /mnt \ base linux linux-firmware \ networkmanager iwd sudo vim bash echo "==> Génération fstab..." genfstab -U /mnt >> /mnt/etc/fstab echo "==> Configuration système (chroot)..." arch-chroot /mnt /usr/bin/bash <<EOF set -euo nounset ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime hwclock --systohc sed -i 's/^#\\($LOCALE\\)/\\1/' /etc/locale.gen locale-gen echo "LANG=$LOCALE" > /etc/locale.conf echo "KEYMAP=$KEYMAP" > /etc/vconsole.conf echo "$HOSTNAME" > /etc/hostname cat >/etc/hosts <<H 127.0.0.1 localhost ::1 localhost 127.0.1.1 $HOSTNAME.localdomain $HOSTNAME H echo "root:$ROOT_PASSWORD" | chpasswd useradd -m -G wheel -s /usr/bin/zsh "$USERNAME" 2>/dev/null || true echo "$USERNAME:$USER_PASSWORD" | chpasswd #sed -i 's/^# %wheel ALL=(ALL:ALL) ALL/%wheel ALL=(ALL:ALL) ALL/' /etc/sudoers pacman -S t networkmanager --noconfirm systemctl enable NetworkManager systemctl enable iwd mkdir -p /etc/NetworkManager/system-connections cat >/etc/NetworkManager/system-connections/wifi.nmconnection <<NMC [connection] id=wifi type=wifi autoconnect=true [wifi] ssid=$WIFI_SSID mode=infrastructure [wifi-security] key-mgmt=wpa-psk psk=$WIFI_PSK [ipv4] method=auto [ipv6] method=auto NMC chmod 600 /etc/NetworkManager/system-connections/wifi.nmconnection bootctl --root=/mnt --esp-path=/boot install mkdir -p /mnt/boot/loader/entries ROOT_UUID=$(blkid -s UUID -o value "$ROOT_PART") cat >/mnt/boot/loader/loader.conf <<L default arch timeout 3 editor no L cat >/mnt/boot/loader/entries/arch.conf <<E title Arch Linux linux /vmlinuz-linux initrd /initramfs-linux.img options root=UUID=$ROOT_UUID rw E #EOF echo "==> Nettoyage..." umount -R /mnt esp-path=/boot echo "==> Installation terminée. Reboot possible."