#!/usr/bin/env bash #------------------------------------------------------------------------- # █████╗ ██████╗ ██████╗██╗ ██╗████████╗██╗████████╗██╗ ██╗███████╗ # ██╔══██╗██╔══██╗██╔════╝██║ ██║╚══██╔══╝██║╚══██╔══╝██║ ██║██╔════╝ # ███████║██████╔╝██║ ███████║ ██║ ██║ ██║ ██║ ██║███████╗ # ██╔══██║██╔══██╗██║ ██╔══██║ ██║ ██║ ██║ ██║ ██║╚════██║ # ██║ ██║██║ ██║╚██████╗██║ ██║ ██║ ██║ ██║ ╚██████╔╝███████║ # ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚══════╝ #------------------------------------------------------------------------- echo -ne " ------------------------------------------------------------------------- █████╗ ██████╗ ██████╗██╗ ██╗████████╗██╗████████╗██╗ ██╗███████╗ ██╔══██╗██╔══██╗██╔════╝██║ ██║╚══██╔══╝██║╚══██╔══╝██║ ██║██╔════╝ ███████║██████╔╝██║ ███████║ ██║ ██║ ██║ ██║ ██║███████╗ ██╔══██║██╔══██╗██║ ██╔══██║ ██║ ██║ ██║ ██║ ██║╚════██║ ██║ ██║██║ ██║╚██████╗██║ ██║ ██║ ██║ ██║ ╚██████╔╝███████║ ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚══════╝ ------------------------------------------------------------------------- Automated Arch Linux Installer ------------------------------------------------------------------------- Setting up mirrors for optimal download " source $CONFIGS_DIR/setup.conf iso=$(curl -4 ifconfig.co/country-iso) timedatectl set-ntp true pacman -S --noconfirm archlinux-keyring #update keyrings to latest to prevent packages failing to install pacman -S --noconfirm --needed pacman-contrib terminus-font setfont ter-v22b sed -i 's/^#ParallelDownloads/ParallelDownloads/' /etc/pacman.conf pacman -S --noconfirm --needed reflector rsync grub cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup echo -ne " ------------------------------------------------------------------------- Setting up $iso mirrors for faster downloads ------------------------------------------------------------------------- " reflector -a 48 -c $iso -f 5 -l 20 --sort rate --save /etc/pacman.d/mirrorlist mkdir /mnt &>/dev/null # Hiding error message if any echo -ne " ------------------------------------------------------------------------- Installing Prerequisites ------------------------------------------------------------------------- " pacman -S --noconfirm --needed gptfdisk btrfs-progs glibc echo -ne " ------------------------------------------------------------------------- Formating Disk ------------------------------------------------------------------------- " umount -A --recursive /mnt # make sure everything is unmounted before we start # disk prep sgdisk -Z ${DISK} # zap all on disk sgdisk -a 2048 -o ${DISK} # new gpt disk 2048 alignment # create partitions sgdisk -n 1::+1M --typecode=1:ef02 --change-name=1:'BIOSBOOT' ${DISK} # partition 1 (BIOS Boot Partition) sgdisk -n 2::+300M --typecode=2:ef00 --change-name=2:'EFIBOOT' ${DISK} # partition 2 (UEFI Boot Partition) sgdisk -n 3::-0 --typecode=3:8300 --change-name=3:'ROOT' ${DISK} # partition 3 (Root), default start, remaining if [[ ! -d "/sys/firmware/efi" ]]; then # Checking for bios system sgdisk -A 1:set:2 ${DISK} fi partprobe ${DISK} # reread partition table to ensure it is correct # make filesystems echo -ne " ------------------------------------------------------------------------- Creating Filesystems ------------------------------------------------------------------------- " createsubvolumes () { btrfs subvolume create /mnt/@ btrfs subvolume create /mnt/@home btrfs subvolume create /mnt/@var btrfs subvolume create /mnt/@tmp btrfs subvolume create /mnt/@.snapshots } mountallsubvol () { mount -o ${MOUNT_OPTIONS},subvol=@home ${partition3} /mnt/home mount -o ${MOUNT_OPTIONS},subvol=@tmp ${partition3} /mnt/tmp mount -o ${MOUNT_OPTIONS},subvol=@var ${partition3} /mnt/var mount -o ${MOUNT_OPTIONS},subvol=@.snapshots ${partition3} /mnt/.snapshots } subvolumesetup () { # create nonroot subvolumes createsubvolumes # unmount root to remount with subvolume umount /mnt # mount @ subvolume mount -o ${MOUNT_OPTIONS},subvol=@ ${partition3} /mnt # make directories home, .snapshots, var, tmp mkdir -p /mnt/{home,var,tmp,.snapshots} # mount subvolumes mountallsubvol } if [[ "${DISK}" =~ "nvme" ]]; then partition2=${DISK}p2 partition3=${DISK}p3 else partition2=${DISK}2 partition3=${DISK}3 fi if [[ "${FS}" == "btrfs" ]]; then mkfs.vfat -F32 -n "EFIBOOT" ${partition2} mkfs.btrfs -L ROOT ${partition3} -f mount -t btrfs ${partition3} /mnt subvolumesetup elif [[ "${FS}" == "ext4" ]]; then mkfs.vfat -F32 -n "EFIBOOT" ${partition2} mkfs.ext4 -L ROOT ${partition3} mount -t ext4 ${partition3} /mnt elif [[ "${FS}" == "luks" ]]; then mkfs.vfat -F32 -n "EFIBOOT" ${partition2} # enter luks password to cryptsetup and format root partition echo -n "${LUKS_PASSWORD}" | cryptsetup -y -v luksFormat ${partition3} - # open luks container and ROOT will be place holder echo -n "${LUKS_PASSWORD}" | cryptsetup open ${partition3} ROOT - # now format that container mkfs.btrfs -L ROOT ${partition3} # create subvolumes for btrfs mount -t btrfs ${partition3} /mnt subvolumesetup # store uuid of encrypted partition for grub echo ENCRYPTED_PARTITION_UUID=$(blkid -s UUID -o value ${partition3}) >> $CONFIGS_DIR/setup.conf fi # mount target mkdir -p /mnt/boot/efi mount -t vfat -L EFIBOOT /mnt/boot/ if ! grep -qs '/mnt' /proc/mounts; then echo "Drive is not mounted can not continue" echo "Rebooting in 3 Seconds ..." && sleep 1 echo "Rebooting in 2 Seconds ..." && sleep 1 echo "Rebooting in 1 Second ..." && sleep 1 reboot now fi echo -ne " ------------------------------------------------------------------------- Arch Install on Main Drive ------------------------------------------------------------------------- " pacstrap /mnt base base-devel linux linux-firmware vim nano sudo archlinux-keyring wget libnewt --noconfirm --needed echo "keyserver hkp://keyserver.ubuntu.com" >> /mnt/etc/pacman.d/gnupg/gpg.conf cp -R ${SCRIPT_DIR} /mnt/root/ArchTitus cp /etc/pacman.d/mirrorlist /mnt/etc/pacman.d/mirrorlist genfstab -L /mnt >> /mnt/etc/fstab echo " Generated /etc/fstab: " cat /mnt/etc/fstab echo -ne " ------------------------------------------------------------------------- GRUB BIOS Bootloader Install & Check ------------------------------------------------------------------------- " if [[ ! -d "/sys/firmware/efi" ]]; then grub-install --boot-directory=/mnt/boot ${DISK} else pacstrap /mnt efibootmgr --noconfirm --needed fi echo -ne " ------------------------------------------------------------------------- Checking for low memory systems <8G ------------------------------------------------------------------------- " TOTAL_MEM=$(cat /proc/meminfo | grep -i 'memtotal' | grep -o '[[:digit:]]*') if [[ $TOTAL_MEM -lt 8000000 ]]; then # Put swap into the actual system, not into RAM disk, otherwise there is no point in it, it'll cache RAM into RAM. So, /mnt/ everything. mkdir -p /mnt/opt/swap # make a dir that we can apply NOCOW to to make it btrfs-friendly. chattr +C /mnt/opt/swap # apply NOCOW, btrfs needs that. dd if=/dev/zero of=/mnt/opt/swap/swapfile bs=1M count=2048 status=progress chmod 600 /mnt/opt/swap/swapfile # set permissions. chown root /mnt/opt/swap/swapfile mkswap /mnt/opt/swap/swapfile swapon /mnt/opt/swap/swapfile # The line below is written to /mnt/ but doesn't contain /mnt/, since it's just / for the system itself. echo "/opt/swap/swapfile none swap sw 0 0" >> /mnt/etc/fstab # Add swap to fstab, so it KEEPS working after installation. fi echo -ne " ------------------------------------------------------------------------- SYSTEM READY FOR 1-setup.sh ------------------------------------------------------------------------- "