Arch-Linux-Installer/install-headless.sh

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#!/bin/bash
# https://wizardzines.com/comics/bash-errors/bash-errors.png
set -euo pipefail
exec >> >(tee -i /tmp/install.log)
exec 2>&1
clear
# Friendly introduction.
echo "0. WELCOME"
echo "Welcome to the Arch Linux installation script!"
echo "This script will ERASE ALL DATA on the partition you will choose next!"
echo
read -p "Do you want to continue? Type [Y]es or [N]o. " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
exit 1
fi
clear
# Selecting disk.
echo "1. PARTITIONING"
echo "Please select a disk to partition:"
echo
# Don't separate values by space.
IFS=$'\n'
# Set variable containing name and size of all disks.
dsks=( $(lsblk -d | tail -n+2 | awk '{print $1" "$4}') )
# Declare the array.
declare -a dsks
# Select value on array.
select dev in ${dsks[*]}
do
break
done
echo
# Separate values by spaces.
IFS=' '
# Create new variable of selection.
array=($dev)
dev="${array[0]}"
clear
echo "2. ENCRYPTION"
echo
# Setting encryption password.
echo "Choose a strong password for encrypting the primary partition:"
pwcr=""
while [ -z "$pwcr" ]; do
echo "Please enter a password: "
read -s pwfr
read -s -p "Retype a password: " pwsc
if [ $pwfr == $pwsc ];
then
pwcr=$pwfr
echo
echo "Both passwords are the same. Continuing.."
break
else
echo
echo "You have entered different passwords. Try again.."
echo
fi
done
clear
echo "3. HOSTNAME"
echo
# Setting hostname.
echo "Before installing the system, please enter a hostname:"
read host
clear
echo "4. ROOT PASSWORD"
echo
# Setting root password.
echo "Choose a password for the root account:"
pwr=""
while [ -z "$pwr" ]; do
echo "Please enter a password: "
read -s pwfr
read -s -p "Retype a password: " pwsc
if [ $pwfr == $pwsc ];
then
pwrt=$pwfr
echo
echo "Both passwords are the same. Continuing.."
break
else
echo
echo "You have entered different passwords. Try again.."
echo
fi
done
clear
echo "4. USER"
echo
# Setting username
echo "Please enter a username:"
read user
echo
# Setting user password.
echo "Also please choose a password for your user:"
pwu=""
while [ -z "$pwu" ]; do
echo "Please enter a password: "
read -s pwfr
read -s -p "Retype a password: " pwsc
if [ $pwfr == $pwsc ];
then
pwur=$pwfr
echo
echo "Both passwords are the same. Continuing.."
break
else
echo
echo "You have entered different passwords. Try again.."
echo
fi
done
clear
echo "5. INSTALLING SYSTEM.."
echo
# Starting partitioning.
echo "Partitioning /dev/$dev.."
echo
# Clearing partition table of selected disk.
echo "Clearing existing partitioning table."
sgdisk -Z /dev/$dev &&
echo
# Creating boot partition.
echo "Creating boot partition of 512 MB."
sgdisk -n 1:0:+512M /dev/$dev &&
echo
# Setting type for EFI.
echo "Setting partition type."
sgdisk -t 1:ef00 /dev/$dev &&
echo
# Creating system partition.
echo "Creating system partition."
sgdisk -n 2:0:0 /dev/$dev
echo
# Print partitions.
echo "This is your new partition table:"
lsblk | grep "$dev"
echo
# Get new variable.
if [ $dev = "nvme0n1" ];
then
main=${dev}p2
else
main=${dev}2
fi
# Encrypting partition.
echo "Encrypting system partition. This might take a while."
echo
echo -en "$pwcr\n$pwcr" | cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/$main &&
echo "Partition successfully encrypted."
echo
# Opening encrypted partition and mounting at /dev/mapper/main.
echo "Decrypting.. This also might take a while."
echo
echo -en "$pwcr\n$pwcr" | cryptsetup luksOpen /dev/$main main &&
echo "Partition successfully opened."
echo
lsblk | grep "$dev"
echo
echo "Creating the filesystem."
if [ $dev = "nvme0n1" ];
then
boot=${dev}p1
else
boot=${dev}1
fi
mkfs.fat -F 32 -n UEFI /dev/$boot &&
echo "Filesystem for boot successfully created."
echo
# Creating btrfs partition.
mkfs.btrfs /dev/mapper/main &&
mount /dev/mapper/main /mnt &&
btrfs subvolume create /mnt/root &&
btrfs subvolume create /mnt/home &&
umount /mnt &&
echo
echo "Mounting.." &&
mount -o autodefrag,compress=zstd:3,subvol=root /dev/mapper/main /mnt &&
mkdir /mnt/home &&
mount -o autodefrag,compress=zstd:3,subvol=home /dev/mapper/main /mnt/home &&
mkdir /mnt/boot &&
mount /dev/$boot /mnt/boot &&
echo "Mounting complete." &&
echo
lsblk
echo
# Updating mirrors using reflector.
echo "Updating mirrors.."
reflector --verbose --latest 10 --country Germany --age 24 --protocol https --sort rate --save /etc/pacman.d/mirrorlist &&
echo "Done."
echo
echo "Updating keyring.."
pacman -Sy archlinux-keyring --noconfirm &&
echo "Done."
echo
# Installing base system.
echo "Installing basic packages.."
pacstrap /mnt base btrfs-progs linux linux-firmware linux-zen nano networkmanager sudo &&
echo "Base system installed."
echo
# Generating fstab.
echo "Generating fstab.."
genfstab -Up /mnt > /mnt/etc/fstab &&
echo "Done."
echo
# Setting hostname.
echo "Setting hostname.."
echo $host > /mnt/etc/hostname &&
echo "Done."
echo
# Setting locale.
echo "Setting and generating locale.."
cat << EOF >/mnt/etc/locale.gen
en_US.UTF-8 UTF-8
EOF
#echo "${localegen}" >>/mnt/etc/locale.gen
arch-chroot /mnt locale-gen
echo "LANG=en_US.UTF-8" > /mnt/etc/locale.conf &&
echo "KEYMAP=de-latin1" > /mnt/etc/vconsole.conf &&
echo "Done."
echo
# Set X locale and keyboard alyout.
echo "Setting locale and keyboard layout."
#arch-chroot /mnt localectl --no-convert set-keymap de-latin1-nodeadkeys &&
systemd-firstboot --root=/mnt --keymap=de-latin1-nodeadkeys &&
cat << EOF > /mnt/etc/X11/xorg.conf.d/00-keyboard.conf &&
# Written by systemd-localed(8), read by systemd-localed and Xorg. It's
# probably wise not to edit this file manually. Use localectl(1) to
# instruct systemd-localed to update it.
Section "InputClass"
Identifier "system-keyboard"
MatchIsKeyboard "on"
Option "XkbLayout" "de"
Option "XkbModel" "pc105"
Option "XkbVariant" "deadgraveacute"
EndSection
EOF
echo "Done."
echo
# Editing mkinitcpio.conf.
echo "Editing /etc/mkinitcpio.conf.."
sed -i '55s/.*/HOOKS=(base udev autodetect microcode modconf kms block keyboard keymap encrypt filesystems fsck shutdown)/' /mnt/etc/mkinitcpio.conf &&
echo "Done."
echo
# Editing taskbar.
#sed -i '65s/.*/launchers=applications:systemsettings.desktop,applications:org.kde.konsole.desktop,applications:firefox.desktop/' /mnt/home/${user}/.config/plasma-org.kde.plasma.desktop-appletsrc
# Creating inital ramdisk.
echo "Creating inital ramdisk for linux-zen.."
arch-chroot /mnt mkinitcpio -p linux-zen &&
echo "Done."
echo
# Enable network and display manager.
echo "Enabling Networkmanager and display manager (sddm).."
arch-chroot /mnt systemctl enable NetworkManager sddm &&
echo "Done."
echo
# Set root password
echo "Setting root password.."
echo -en "$pwrt\n$pwrt" | arch-chroot /mnt passwd
echo "Done."
echo
# Install bootloader.
echo "Installing systemd-boot.."
arch-chroot /mnt bootctl --path=/boot install &&
echo "Done."
echo
# Get UUID for primary partition
uuid=$(ls -l /dev/disk/by-uuid | grep $main | awk '{print $9}')
# Set bootloader entry.
echo "Setting up bootloader.."
cat << EOF > /mnt/boot/loader/entries/arch.conf &&
title Arch Linux
linux /vmlinuz-linux-zen
#initrd /amd-ucode.img
#initrd /intel-ucode.img
initrd /initramfs-linux-zen.img
options cryptdevice=UUID=$uuid:main
options root=/dev/mapper/main rw
options rootflags=subvol=root
options lang=de locale=de_DE.UTF-8
options init=/usr/lib/systemd/systemd
EOF
# Set bootloader fallback entry.
cat << EOF > /mnt/boot/loader/entries/arch-fallback.conf &&
title Arch Linux Fallback
linux /vmlinuz-linux
initrd /initramfs-linux-fallback.img
options cryptdevice=UUID=$uuid:main
options root=/dev/mapper/main rw
options rootflags=subvol=root
options lang=de locale=de_DE.UTF-8
options init=/usr/lib/systemd/systemd
EOF
# Set bootloader.
echo "timeout 1" >> /mnt/boot/loader/loader.conf &&
echo "default arch.conf" >> /mnt/boot/loader/loader.conf &&
echo "Done."
echo
# Set username, password and group.
echo "Adding user.."
arch-chroot /mnt useradd -m $user &&
echo -en "$pwur\n$pwur" | arch-chroot /mnt passwd $user &&
arch-chroot /mnt gpasswd -a $user wheel &&
sed -i '82s/.*/%wheel ALL=(ALL) ALL/' /mnt/etc/sudoers
echo "Done."
echo
# Enabling sddm auto-login.
echo "Enabling auto-login.."
mkdir /mnt/etc/sddm.conf.d &&
cat << EOF > /mnt/etc/sddm.conf.d/autologin.conf
[Autologin]
User=$user
Session=plasma
EOF
echo "Done."
echo
# Adding sddm config.
cat << EOF > /mnt/etc/sddm.conf.d/kde_settings.conf
[Autologin]
Relogin=false
Session=plasma
User=$user
[General]
HaltCommand=/usr/bin/systemctl poweroff
RebootCommand=/usr/bin/systemctl reboot
[Theme]
Current=breeze
[Users]
MaximumUid=60513
MinimumUid=1000
EOF
# Unmounting and rebooting.
echo "Unmounting system.."
umount /mnt/boot &&
umount /mnt &&
echo "Done."
echo
clear
echo "Installation finished!"
#read -p "Do you want to read the log? Type [Y]es or [N]o. " -n 1 -r
#echo
#if [[ ! $REPLY =~ ^[Yy]$ ]]
#then
# less /tmp/install.log
#fi
#echo
#echo "Press [Enter] to shut down, then remove the installation media and start your system."
#poweroff