misc/alpine_setup.sh at master · alien43/misc · GitHub

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#!/bin/bash
# --- UEFI CONFIGURATION ---
DISK="/dev/vda"
IP_ADDR="185.249.74.171"
GATEWAY="185.249.74.1"
NETMASK="255.255.255.255"
ROOT_PASS="alpine123"
ALPINE_REL="3.23"
ALPINE_VER="3.23.3"

echo "!!! STARTING UEFI INSTALL ON $DISK !!!"
sleep 2

# 1. Partitioning (GPT for UEFI)
parted -s $DISK mklabel gpt
parted -s $DISK mkpart ESP fat32 1MiB 513MiB
parted -s $DISK set 1 esp on
parted -s $DISK mkpart primary ext4 513MiB 100%

# 2. Formatting
mkfs.vfat -F 32 "${DISK}1"
mkfs.ext4 -F "${DISK}2"

# 3. Mounting
mkdir -p /mnt/alpine
mount "${DISK}2" /mnt/alpine
mkdir -p /mnt/alpine/boot/efi
mount "${DISK}1" /mnt/alpine/boot/efi

# 4. Bootstrap Alpine
cd /tmp
wget https://dl-cdn.alpinelinux.org/alpine/v${ALPINE_REL}/releases/x86_64/alpine-minirootfs-${ALPINE_VER}-x86_64.tar.gz
tar -xvpzf alpine-minirootfs-${ALPINE_VER}-x86_64.tar.gz -C /mnt/alpine

# 5. Prepare Chroot
cp /etc/resolv.conf /mnt/alpine/etc/resolv.conf
for dir in /dev /dev/pts /proc /sys /run; do mount --bind $dir /mnt/alpine$dir; done

# 6. Internal Setup Script
cat <<EOF > /mnt/alpine/setup.sh
#!/bin/sh
echo "https://dl-cdn.alpinelinux.org/alpine/v${ALPINE_REL}/main" > /etc/apk/repositories
echo "https://dl-cdn.alpinelinux.org/alpine/v${ALPINE_REL}/community" >> /etc/apk/repositories
apk update

# Install UEFI Bootloader & Kernel
apk add linux-virt grub-efi efibootmgr iproute2 openssh

# Set Root Password
echo "root:${ROOT_PASS}" | chpasswd

# Configure Networking
cat <<NET > /etc/network/interfaces
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
    address ${IP_ADDR}
    netmask ${NETMASK}
    gateway ${GATEWAY}
    up ip route add ${GATEWAY} dev eth0
    up ip route add default via ${GATEWAY}
NET

# Install GRUB for UEFI
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=alpine --removable --no-nvram

# Create GRUB Config
cat <<GCFG > /etc/default/grub
GRUB_TIMEOUT=2
GRUB_DISTRIBUTOR="Alpine"
GRUB_CMDLINE_LINUX_DEFAULT="modules=ext4 quiet root=${DISK}2"
GCFG

grub-mkconfig -o /boot/grub/grub.cfg

# Enable Services
rc-update add networking boot
rc-update add sshd default
EOF

# 7. Execute Internal Setup
chroot /mnt/alpine /bin/sh /setup.sh
rm /mnt/alpine/setup.sh

# 8. Cleanup
umount -l /mnt/alpine/boot/efi
umount -l /mnt/alpine
echo "UEFI INSTALL DONE! Unmount GParted and Reboot."