101 lines
2.4 KiB
Bash
101 lines
2.4 KiB
Bash
#!/bin/sh
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# Prerequisites
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# setup-interfaces
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# ifup eth0
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# Set up repositories
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cat <<EOF >/etc/apk/repositories
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http://repository.fit.cvut.cz/mirrors/alpine/v3.7/main
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http://repository.fit.cvut.cz/mirrors/alpine/v3.7/community
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#http://repository.fit.cvut.cz/mirrors/alpine/edge/main
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#http://repository.fit.cvut.cz/mirrors/alpine/edge/community
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#http://repository.fit.cvut.cz/mirrors/alpine/edge/testing
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EOF
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# Install disk management tools
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apk --no-cache add lvm2 cryptsetup e2fsprogs syslinux
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# Create disk partitions
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cat <<EOF | fdisk /dev/sda
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n
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p
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1
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+100m
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a
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1
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n
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p
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2
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t
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2
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8e
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w
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EOF
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# Set up partition encryption
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echo -n 'password' | cryptsetup -q luksFormat /dev/sda2
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echo -n 'password' | cryptsetup open --type luks /dev/sda2 system
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# Set up LVM
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pvcreate /dev/mapper/system
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vgcreate vg0 /dev/mapper/system
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lvcreate -L 4G vg0 -n swap
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lvcreate -l 100%FREE vg0 -n root
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# Format
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mkfs.ext4 -m0 /dev/sda1
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mkfs.ext4 -m1 /dev/vg0/root
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mkswap /dev/vg0/swap
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# Mount
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mount -t ext4 /dev/vg0/root /mnt
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mkdir /mnt/boot
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mount -t ext4 /dev/sda1 /mnt/boot
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# Install Alpine linux
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setup-disk -m sys /mnt
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# Update boot-time volume information
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BOOT_UUID=$(blkid /dev/sda1 | awk '{print $2}' | tr -d '"')
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cat <<EOF >/mnt/etc/fstab
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/dev/vg0/root / ext4 rw,noatime,data=ordered 0 1
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${BOOT_UUID} /boot ext4 rw,noatime,data=ordered 0 2
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/dev/vg0/swap swap swap defaults 0 0
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EOF
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echo "system /dev/sda2 none luks" >/mnt/etc/crypttab
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# Rebuild initfs
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sed -i 's/lvm/lvm cryptsetup/' /mnt/etc/mkinitfs/mkinitfs.conf
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mkinitfs -c /mnt/etc/mkinitfs/mkinitfs.conf -b /mnt $(ls /mnt/lib/modules)
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# Update extlinux
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sed -i 's/rootfstype=ext4/rootfstype=ext4 cryptroot=\/dev\/sda2 cryptdm=system/' /mnt/etc/update-extlinux.conf
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chroot /mnt update-extlinux
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# Set time zone
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chroot /mnt setup-timezone -z Europe/Prague
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# Set hostname
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echo 'vm' >/mnt/etc/hostname
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sed -i 's/localhost/vm/' /mnt/etc/network/interfaces
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sed -i 's/localhost /vm localhost /' /mnt/etc/hosts
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# Enable services on boot
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ln -s /etc/init.d/networking /mnt/etc/runlevels/boot
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ln -s /etc/init.d/urandom /mnt/etc/runlevels/boot
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# Install bootloader to MBR
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dd bs=440 count=1 conv=notrunc if=/mnt/usr/share/syslinux/mbr.bin of=/dev/sda
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# Unmount and shut down
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umount /mnt/boot
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umount /mnt
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swapoff -a
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vgchange -a n
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cryptsetup luksClose system
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poweroff
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