Install Arch Linux

install-arch.sh

# Prepare env
timedatectl set-ntp true
timedatectl set-timezone Europe/Paris

# Partition disk
parted /dev/sda mklabel gpt
parted -a optimal /dev/sda mkpart primary fat32 0% 512MB
parted /dev/sda set 1 esp on
parted -a optimal /dev/sda mkpart primary linux-swap 512MB 2560MB
parted -a optimal /dev/sda mkpart primary ext4 2560MB 100%

# Prepare partitions
mkfs.ext4 /dev/sda3
mount /dev/sda3 /mnt

mkfs.fat -F32 /dev/sda1
mkdir /mnt/boot
mount /dev/sda1 /mnt/boot

mkswap /dev/sda2
swapon /dev/sda2


# Install base system
echo 'Server = http://mirror.archlinux.ikoula.com/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist
pacstrap /mnt base base-devel linux linux-firmware
genfstab -U /mnt > /mnt/etc/fstab


echo '#!/bin/bash
# Setup env
ln -sf /usr/share/zoneinfo/Europe/Paris /etc/localtime
hwclock --systohc
echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "arch" > /etc/hostname
echo "127.0.0.1 localhost
::1 localhost
127.0.1.1 arch.localdomain arch" >> /etc/hosts

# Set password for root
echo "Please enter a password for the root user:"
passwd 

# Install bootloader
bootctl install

echo "title Arch Linux
linux /vmlinuz-linux
initrd /initramfs-linux.img
options root=UUID=$(blkid -s UUID -o value /dev/sda3) rw" > /boot/loader/entries/arch.conf

# Allow user to use sudo
echo "%wheel ALL=(ALL) ALL" >> /etc/sudoers

# Add new user
read -p "Enter username for new user: " username
useradd -m -g wheel $username
passwd $username

# Install desktop env
pacman --noconfirm  -S networkmanager
systemctl enable NetworkManager
pacman --noconfirm -S gnome
systemctl enable gdm
pacman --noconfirm -S nano firefox

# Quit chroot
exit' > /mnt/root/part2.sh

read -p "Press enter to continue"

chmod +x /mnt/root/part2.sh

# Enter new system
arch-chroot /mnt /root/part2.sh

umount -R /mnt

echo "You can reboot now."