T2 Mac Arch Linux server setup script

t2-install.sh

#!/bin/bash
set -e

echo "=== T2 Arch Server - Full Install Script ==="
echo "This will WIPE /dev/nvme0n1 completely!"
echo ""
read -p "Press Enter to continue or Ctrl+C to abort..."

# Unmount anything leftover
umount -R /mnt 2>/dev/null || true
swapoff -a 2>/dev/null || true

# Partition: 1G EFI, 8G swap, rest ext4
echo "=== Partitioning ==="
sgdisk -Z /dev/nvme0n1
sgdisk -n 1:0:+1G -t 1:ef00 /dev/nvme0n1
sgdisk -n 2:0:+8G -t 2:8200 /dev/nvme0n1
sgdisk -n 3:0:0 -t 3:8300 /dev/nvme0n1
echo "[OK] Partitioned"

# Format
echo "=== Formatting ==="
mkfs.fat -F32 /dev/nvme0n1p1
mkswap /dev/nvme0n1p2
swapon /dev/nvme0n1p2
mkfs.ext4 -F /dev/nvme0n1p3
echo "[OK] Formatted"

# Mount
echo "=== Mounting ==="
mount /dev/nvme0n1p3 /mnt
mkdir -p /mnt/boot
mount /dev/nvme0n1p1 /mnt/boot
echo "[OK] Mounted"

# Add T2 repo
echo "=== Adding T2 repo ==="
echo -e '[arch-mact2]\nServer = https://mirror.funami.tech/arch-mact2/os/x86_64\nSigLevel = Never' >> /etc/pacman.conf
pacman -Sy
echo "[OK] T2 repo added"

# Install base system
echo "=== Installing packages (this takes a while) ==="
pacstrap /mnt base base-devel linux-t2 linux-t2-headers linux-firmware apple-bcm-firmware apple-t2-audio-config t2fanrd intel-ucode iwd grub efibootmgr git sudo vim openssh networkmanager
echo "[OK] Packages installed"

# Generate fstab
echo "=== Generating fstab ==="
genfstab -U /mnt >> /mnt/etc/fstab
echo "[OK] fstab generated"

# Copy T2 repo to installed system
echo -e '[arch-mact2]\nServer = https://mirror.funami.tech/arch-mact2/os/x86_64\nSigLevel = Never' >> /mnt/etc/pacman.conf

# Create chroot setup script
cat > /mnt/root/setup.sh << 'CHROOT_EOF'
#!/bin/bash
set -e

echo "=== Configuring system ==="

# Timezone
ln -sf /usr/share/zoneinfo/America/Chicago /etc/localtime
hwclock --systohc
echo "[OK] Timezone"

# Locale
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "[OK] Locale"

# Hostname
echo "t2server" > /etc/hostname
echo -e "127.0.0.1   localhost\n::1         localhost\n127.0.1.1   t2server.localdomain t2server" >> /etc/hosts
echo "[OK] Hostname"

# Root password
echo ""
echo "=== Set root password ==="
passwd

# Create user
useradd -m -G wheel -s /bin/zsh sterling
echo ""
echo "=== Set password for sterling ==="
passwd sterling
echo "%wheel ALL=(ALL:ALL) ALL" > /etc/sudoers.d/wheel
echo "[OK] User created"

# T2 modules
echo "apple-bce" > /etc/modules-load.d/t2.conf
sed -i 's/MODULES=()/MODULES=(apple-bce)/' /etc/mkinitcpio.conf
mkinitcpio -P
echo "[OK] T2 modules"

# GRUB
grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB
sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="intel_iommu=on iommu=pt pcie_ports=compat"/' /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg
echo "[OK] GRUB"

# Services
systemctl enable NetworkManager iwd t2fanrd sshd
echo "[OK] Services enabled"

echo ""
echo "========================================="
echo "  ALL DONE! Exit and reboot:"
echo "  exit && umount -R /mnt && reboot"
echo "  Remove USB as it reboots!"
echo "========================================="
CHROOT_EOF

chmod +x /mnt/root/setup.sh

echo ""
echo "========================================="
echo "  Phase 1 complete!"
echo "  Now run:"
echo "    arch-chroot /mnt bash /root/setup.sh"
echo "========================================="

t2-setup.sh

#!/bin/bash
set -e

echo "=== T2 Arch Server - Full Install Script ==="
echo "This will WIPE /dev/nvme0n1 completely!"
echo ""
read -p "Press Enter to continue or Ctrl+C to abort..."

# Unmount anything leftover
umount -R /mnt 2>/dev/null || true
swapoff -a 2>/dev/null || true

# Partition: 1G EFI, 8G swap, rest ext4
echo "=== Partitioning ==="
sgdisk -Z /dev/nvme0n1
sgdisk -n 1:0:+1G -t 1:ef00 /dev/nvme0n1
sgdisk -n 2:0:+8G -t 2:8200 /dev/nvme0n1
sgdisk -n 3:0:0 -t 3:8300 /dev/nvme0n1
echo "[OK] Partitioned"

# Format
echo "=== Formatting ==="
mkfs.fat -F32 /dev/nvme0n1p1
mkswap /dev/nvme0n1p2
swapon /dev/nvme0n1p2
mkfs.ext4 -F /dev/nvme0n1p3
echo "[OK] Formatted"

# Mount
echo "=== Mounting ==="
mount /dev/nvme0n1p3 /mnt
mkdir -p /mnt/boot
mount /dev/nvme0n1p1 /mnt/boot
echo "[OK] Mounted"

# Add T2 repo
echo "=== Adding T2 repo ==="
echo -e '[arch-mact2]\nServer = https://mirror.funami.tech/arch-mact2/os/x86_64\nSigLevel = Never' >> /etc/pacman.conf
pacman -Sy
echo "[OK] T2 repo added"

# Install base system
echo "=== Installing packages (this takes a while) ==="
pacstrap /mnt base base-devel linux-t2 linux-t2-headers linux-firmware apple-bcm-firmware apple-t2-audio-config t2fanrd intel-ucode iwd grub efibootmgr git sudo vim openssh networkmanager
echo "[OK] Packages installed"

# Generate fstab
echo "=== Generating fstab ==="
genfstab -U /mnt >> /mnt/etc/fstab
echo "[OK] fstab generated"

# Copy T2 repo to installed system
echo -e '[arch-mact2]\nServer = https://mirror.funami.tech/arch-mact2/os/x86_64\nSigLevel = Never' >> /mnt/etc/pacman.conf

# Create chroot setup script
cat > /mnt/root/setup.sh << 'CHROOT_EOF'
#!/bin/bash
set -e

echo "=== Configuring system ==="

# Timezone
ln -sf /usr/share/zoneinfo/America/Chicago /etc/localtime
hwclock --systohc
echo "[OK] Timezone"

# Locale
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "[OK] Locale"

# Hostname
echo "t2server" > /etc/hostname
echo -e "127.0.0.1   localhost\n::1         localhost\n127.0.1.1   t2server.localdomain t2server" >> /etc/hosts
echo "[OK] Hostname"

# Root password
echo ""
echo "=== Set root password ==="
passwd

# Create user
useradd -m -G wheel -s /bin/zsh sterling
echo ""
echo "=== Set password for sterling ==="
passwd sterling
echo "%wheel ALL=(ALL:ALL) ALL" > /etc/sudoers.d/wheel
echo "[OK] User created"

# T2 modules
echo "apple-bce" > /etc/modules-load.d/t2.conf
sed -i 's/MODULES=()/MODULES=(apple-bce)/' /etc/mkinitcpio.conf
mkinitcpio -P
echo "[OK] T2 modules"

# GRUB
grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB
sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="intel_iommu=on iommu=pt pcie_ports=compat"/' /etc/default/grub
grub-mkconfig -o /boot/grub/grub.cfg
echo "[OK] GRUB"

# Services
systemctl enable NetworkManager iwd t2fanrd sshd
echo "[OK] Services enabled"

echo ""
echo "========================================="
echo "  ALL DONE! Exit and reboot:"
echo "  exit && umount -R /mnt && reboot"
echo "  Remove USB as it reboots!"
echo "========================================="
CHROOT_EOF

chmod +x /mnt/root/setup.sh

echo ""
echo "========================================="
echo "  Phase 1 complete!"
echo "  Now run:"
echo "    arch-chroot /mnt bash /root/setup.sh"
echo "========================================="