New install.sh
This commit is contained in:
Tobias Strobel
parent
bffea892e6
commit
6dd20fb291
334
install.sh
334
install.sh
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@ -1,6 +1,6 @@
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#!/usr/bin/env bash
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#
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# Arch Linux installation
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# Bootstrap a new Arch system from an installation ISO.
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#
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# Bootable USB:
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# - [Download](https://archlinux.org/download/) ISO and GPG files
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@ -13,284 +13,180 @@
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# - Temporarily disable Secure Boot.
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# - Make sure a strong UEFI administrator password is set.
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# - Delete preloaded OEM keys for Secure Boot, allow custom ones.
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# - Set SATA operation to AHCI mode.
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#
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# Run installation:
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#
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# - Connect to wifi via: `# iwctl station wlan0 connect WIFI-NETWORK`
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# - Connect to wifi via: `# iwctl station wlan0 connect $SSID`
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# - Run: `# bash <(curl -sL https://link.rafe.li/dot)`
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#
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# WARNING: this script will destroy data on the selected disk.
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#
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set -uo pipefail
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set -xeuo pipefail
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trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
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exec 1> >(tee "stdout.log")
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exec 2> >(tee "stderr.log" >&2)
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exec 1> >(tee "/root/stdout.log")
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exec 2> >(tee "/root/stderr.log" >&2)
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export SNAP_PAC_SKIP=y
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args=()
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target_device=""
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new_hostname=""
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umount -R /mnt 2> /dev/null || true
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swapoff --all
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cryptsetup close swap 2> /dev/null || true
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cryptsetup luksClose system 2> /dev/null || true
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while [[ $# -gt 0 ]]
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do
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arg="$1"
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# Dialog
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BACKTITLE="Arch Linux installation"
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case "$arg" in
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"--device")
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target_device="$2"
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shift
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shift
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;;
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"--hostname")
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new_hostname="$2"
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shift
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shift
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;;
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*)
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args+=("$arg")
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shift;
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esac
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done
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get_input() {
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title="$1"
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description="$2"
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if [[ -z "$target_device" ]]; then
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echo "Missing --device <device> argument" >&2
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exit 2;
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fi
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input=$(dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --inputbox "$description" 0 0)
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echo "$input"
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}
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if [[ -z "$new_hostname" ]]; then
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echo "Missing --hostname <hostname> argument" >&2
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exit 2;
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fi
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get_password() {
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title="$1"
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description="$2"
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while : ; do
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init_pass=$(dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --passwordbox "$description" 0 0)
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: "${init_pass:?dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --msgbox "Password cannot be empty.\nTry again." 0 0}"
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if [[ "${#args[@]}" -ne 0 ]]; then
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echo "Unexpected extra arguments: ${args[*]}" >&2
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exit 2
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fi
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test_pass=$(dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --passwordbox "$description again" 0 0)
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if [[ "$init_pass" != "$test_pass" ]]; then
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dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --msgbox "Passwords did not match.\nTry again." 0 0
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else
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break
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fi
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done
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echo "$init_pass"
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}
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get_choice() {
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title="$1"
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description="$2"
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shift 2
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options=("$@")
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dialog --clear --stdout --backtitle "$BACKTITLE" --title "$title" --menu "$description" 0 0 0 "${options[@]}"
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}
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echo -e "\n### Checking UEFI boot mode"
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if [ ! -f /sys/firmware/efi/fw_platform_size ]; then
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echo >&2 "You must boot in UEFI mode to continue"
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exit 2
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fi
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echo -e "\n### Ensure the system clock is accurate"
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if [[ "$UID" -ne 0 ]]; then
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echo "This script needs to be run as root!" >&2
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exit 3
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fi
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read -rp "THIS SCRIPT WILL OVERWRITE ALL CONTENTS OF ${target_device}. Type uppercase yes to continue: " confirmed
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if [[ "$confirmed" != "YES" ]]; then
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echo "aborted" >&2
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exit 128
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fi
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timedatectl set-ntp true
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hwclock --systohc --utc
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echo -e "\n### Setting keyboard layout to de-latin1"
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loadkeys de-latin1
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echo -e "\n### Installing additional tools"
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pacman -Sy --noconfirm --needed git reflector terminus-font dialog wget
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echo -e "\n### HiDPI screens"
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noyes=("Yes" "The font is too small" "No" "The font size is just fine")
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hidpi=$(get_choice "Font size" "Is your screen HiDPI?" "${noyes[@]}") || exit 1
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clear
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[[ "$hidpi" == "Yes" ]] && font="ter-132n" || font="ter-716n"
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setfont "$font"
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hostname=$(get_input "Hostname" "Enter hostname") || exit 1
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clear
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: "${hostname:?"hostname cannot be empty"}"
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user=$(get_input "User" "Enter username") || exit 1
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clear
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: "${user:?"user cannot be empty"}"
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password=$(get_password "User" "Enter password") || exit 1
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clear
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: "${password:?"password cannot be empty"}"
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devicelist=$(lsblk -dplnx size -o name,size | grep -Ev "boot|rpmb|loop" | tac | tr '\n' ' ')
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read -r -a devicelist <<< "$devicelist"
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device=$(get_choice "Installation" "Select installation disk" "${devicelist[@]}") || exit 1
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clear
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echo -e "\n### Setting up fastest mirrors"
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reflector --country 'Germany,France' --protocol https --sort rate --latest 5 --save /etc/pacman.d/mirrorlist
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echo -e "\n### Setting up partitions"
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sgdisk --zap-all "${device}"
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# Partition
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sgdisk --zap-all "${target_device}"
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sgdisk --clear \
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--new=1:0:+550MiB --typecode=1:ef00 --change-name=1:EFI \
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--new=2:0:+8GiB --typecode=2:8200 --change-name=2:cryptswap \
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--new=3:0:0 --typecode=3:8300 --change-name=3:cryptsystem \
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"${device}"
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--new 1:0:+550MiB --typecode 1:ef00 --change-name 1:EFI \
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--new 2:0:+8GiB --typecode 2:8200 --change-name 2:swap \
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--new 3 --typecode 3:8304 --change-name 3:system \
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"${target_device}"
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# Reload partition table
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sleep 5
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partprobe -s "${target_device}"
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sleep 3
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echo -e "\n### Formatting partitions"
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# Boot partition
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# Encrypt root
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echo -n "password" | cryptsetup luksFormat --type luks2 --pbkdf argon2id "/dev/disk/by-partlabel/system"
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echo -n "password" | cryptsetup luksOpen --allow-discards --persistent "/dev/disk/by-partlabel/system" system
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# Create file systems
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mkfs.fat -F 32 -n "EFI" /dev/disk/by-partlabel/EFI
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# Swap partition
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cryptsetup open --type plain --key-file /dev/urandom /dev/disk/by-partlabel/cryptswap swap
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mkswap -L swap /dev/mapper/swap
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swapon -L swap
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# System partition
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echo -n "${password}" | cryptsetup luksFormat --type luks2 --pbkdf argon2id "/dev/disk/by-partlabel/cryptsystem"
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echo -n "${password}" | cryptsetup luksOpen --allow-discards --persistent "/dev/disk/by-partlabel/cryptsystem" system
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mkfs.btrfs --force --label system /dev/mapper/system
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echo -e "\n### Setting up BTRFS subvolumes"
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# Mount system subvolume and create additional subvolumes
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o=defaults,x-mount.mkdir
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o_btrfs=$o,compress=zstd,ssd,noatime
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mount -t btrfs LABEL=system /mnt
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btrfs subvolume create /mnt/root
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btrfs subvolume create /mnt/home
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btrfs subvolume create /mnt/snapshots
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btrfs subvolume create /mnt/pkgs
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btrfs subvolume create /mnt/aurbuild
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btrfs subvolume create /mnt/archbuild
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btrfs subvolume create /mnt/docker
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btrfs subvolume create /mnt/logs
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btrfs subvolume create /mnt/tmp
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btrfs subvolume create /mnt/@ # /
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btrfs subvolume create /mnt/@home # /home
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btrfs subvolume create /mnt/@snapshots # /.snapshots
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btrfs subvolume create /mnt/@pkg # /var/cache/pacman/pkg
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btrfs subvolume create /mnt/@aurbuild # /var/lib/aurbuild
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btrfs subvolume create /mnt/@archbuild # /var/lib/archbuild
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btrfs subvolume create /mnt/@log # /var/log
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btrfs subvolume create /mnt/@tmp # /var/tmp
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umount -R /mnt
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mount -t btrfs -o subvol=@,$o_btrfs LABEL=system /mnt
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mount -t btrfs -o subvol=@home,$o_btrfs,nodatacow LABEL=system /mnt/home
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mount -t btrfs -o subvol=@snapshots,$o_btrfs LABEL=system /mnt/.snapshots
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mount -t btrfs -o subvol=@pkg,$o_btrfs LABEL=system /mnt/var/cache/pacman/pkg
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mount -t btrfs -o subvol=@aurbuild,$o_btrfs LABEL=system /mnt/var/lib/aurbuild
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mount -t btrfs -o subvol=@archbuild,$o_btrfs LABEL=system /mnt/var/lib/archbuild
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mount -t btrfs -o subvol=@log,$o_btrfs LABEL=system /mnt/var/log
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mount -t btrfs -o subvol=@tmp,$o_btrfs LABEL=system /mnt/var/tmp
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mount -t btrfs -o subvol=root,$o_btrfs LABEL=system /mnt
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mount -t btrfs -o subvol=home,$o_btrfs LABEL=system /mnt/home
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mount -t btrfs -o subvol=snapshots,$o_btrfs LABEL=system /mnt/.snapshots
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mount -t btrfs -o subvol=pkgs,$o_btrfs LABEL=system /mnt/var/cache/pacman
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mount -t btrfs -o subvol=aurbuild,$o_btrfs LABEL=system /mnt/var/lib/aurbuild
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mount -t btrfs -o subvol=archbuild,$o_btrfs LABEL=system /mnt/var/lib/archbuild
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mount -t btrfs -o subvol=docker,$o_btrfs LABEL=system /mnt/var/lib/docker
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mount -t btrfs -o subvol=logs,$o_btrfs LABEL=system /mnt/var/log
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mount -t btrfs -o subvol=tmp,$o_btrfs LABEL=system /mnt/var/tmp
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# Mount additional partitions
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mount -o $o LABEL=EFI /mnt/efi
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echo -e "\n### Configuring custom repo"
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mkdir "/mnt/var/cache/pacman/${user}-local"
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# Disable CoW for /home due to large loopback files by systemd-homed
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chattr +C /mnt/home
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# if [[ "${user}" == "maximbaz" && "${hostname}" == "home-"* ]]; then
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# wget -m -nH -np -q --show-progress --progress=bar:force --reject='index.html*' --cut-dirs=2 -P "/mnt/var/cache/pacman/${user}-local" 'https://pkgbuild.com/~maximbaz/repo/'
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# rename -- 'maximbaz.' "${user}-local." "/mnt/var/cache/pacman/${user}-local"/*
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# else
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repo-add "/mnt/var/cache/pacman/${user}-local/${user}-local.db.tar"
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# fi
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if ! grep "${user}" /etc/pacman.conf > /dev/null; then
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if ! grep "# Installer cache" /etc/pacman.conf > /dev/null; then
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cat >> /etc/pacman.conf << EOF
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[${user}-local]
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Server = file:///mnt/var/cache/pacman/${user}-local
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[maximbaz]
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Server = https://pkgbuild.com/~maximbaz/repo/x86_64/
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# Installer cache
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[options]
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CacheDir = /mnt/var/cache/pacman/pkg
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CacheDir = /mnt/var/cache/pacman/${user}-local
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EOF
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fi
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echo -e "\n### Installing packages"
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kernel_packages=(
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"linux"
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"linux-headers"
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"linux-lts"
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"linux-firmware"
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"intel-ucode"
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)
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fs_packages=(
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"btrfs-progs"
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"dosfstools"
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"e2fsprogs"
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)
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network_packages=(
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"iwd"
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"networkmanager"
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)
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basic_packages=(
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"man-db"
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"man-pages"
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"pacman-contrib"
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"neovim"
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"bash-completion"
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"git"
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"rsync"
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"openssh"
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"htop"
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"fzf"
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"sudo"
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)
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#"pipewire"
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#"pipewire-pulse"
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#"pipewire-jack"
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#"wireplumber"
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#"firefox"
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#"firefox-i18n-de"
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#"firefox-ublock-origin"
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#"firefox-dark-reader"
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#"aurutils" # from maximbaz repo
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#"devtools" # tools for aurutils
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#"docbook-xls" # depenency of plymouth-git
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#"efitools" # provides KeyTool
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#"libfido2" # for systemd-cryptenroll
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#"bluez"
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#"bluez-utils"
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#"usbutils" # for lsusb
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#)
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all_packages=(
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${kernel_packages[@]}
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${fs_packages[@]}
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${network_packages[@]}
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${basic_packages[@]}
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)
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# Bootstrap new chroot
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reflector --country 'Germany' --protocol https --sort age --latest 5 --save /etc/pacman.d/mirrorlist
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pacstrap /mnt base linux linux-firmware intel-ucode btrfs-progs dracut neovim iwd networkmanager
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pacstrap /mnt base base-devel arch-secure-boot chezmoi ${all_packages[@]}
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echo -e "\n### Generating base config files"
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genfstab -L -p /mnt >> /mnt/etc/fstab
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sed -i "s+LABEL=swap+/dev/mapper/swap+" /mnt/etc/fstab
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echo "cryptswap /dev/disk/by-partlabel/cryptswap /dev/urandom swap,cipher=aes-xts-plain64,size=256" >> /mnt/etc/crypttab
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# Configure timezone, locale, keymap, network
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sed -i 's/^#en_US\.UTF-8/en_US\.UTF-8/' /mnt/etc/locale.gen
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sed -i 's/^#de_DE\.UTF-8/de_DE\.UTF-8/' /mnt/etc/locale.gen
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arch-chroot /mnt locale-gen
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arch-chroot /mnt systemd-firstboot \
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--locale="en_US.UTF-8" \
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--keymap="de-latin1" \
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--timezone="Europe/Berlin" \
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--hostname="${hostname}" \
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--hostname="${new_hostname}" \
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--setup-machine-id
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echo "FONT=$font" > /mnt/etc/vconsole.conf
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echo -e "127.0.0.1\tlocalhost" >> /mnt/etc/hosts
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echo -e "127.0.1.1\t$hostname" >> /mnt/etc/hosts
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echo -e "127.0.1.1\t$new_hostname" >> /mnt/etc/hosts
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echo -e "\n::1\tlocalhost" >> /mnt/etc/hosts
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arch-chroot /mnt timedatectl set-ntp 1
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echo -e "\n### Creating user"
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arch-chroot /mnt useradd -m "$user"
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for group in wheel network video audio input storage power; do
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arch-chroot /mnt groupadd -rf "$group"
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arch-chroot /mnt gpasswd -a "$user" "$group"
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done
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echo "$user:$password" | arch-chroot /mnt chpasswd
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# Use systemd-resolved as dns backend for NetworkManager (auto-detected)
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ln -sf /run/systemd/resolve/stub-resolv.conf /mnt/etc/resolv.conf
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echo -e "\n### Disabling root login"
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arch-chroot /mnt passwd -dl root
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echo -e "\n### Setting permissions on the custom repo"
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arch-chroot /mnt chown -R "$user:$user" "/var/cache/pacman/${user}-local/"
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#echo -e "\n### Cloning dotfiles and running initial setup"
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#arch-chroot /mnt sudo -u $user sh -c 'chezmoi init --apply https://code.strobeto.de/strobeltobias/dotfiles.git && chezmoi state delete-bucket --bucket=scriptState'
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cat > /mnt/etc/NetworkManager/conf.d/wifi_backend.conf <<EOF
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# Enable iwd as wifi backend for NetworkManager
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cat > /mnt/etc/NetworkManager/conf.d/wifi-backend.conf <<EOF
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[device]
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wifi.backend=iwd
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EOF
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arch-chroot /mnt systemctl enable NetworkManager.service
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echo -e "\n### DONE - reboot and re-run 'chezmoi apply' to complete system setup"
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# Install dracut opt deps required to build unified kernel images
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arch-chroot /mnt pacman -S --noconfirm --asdeps binutils elfutils
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arch-chroot /mnt dracut -f --uefi --regenerate-all
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# Install bootloader
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arch-chroot /mnt bootctl install
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# Enable resolved
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systemctl --root /mnt enable systemd-resolved
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# Enable homed
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systemctl --root /mnt enable systemd-homed
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# Set root password
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echo -n "password" | passwd -R /mnt root
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echo "BOOTSTRAPPING FINISHED"
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