232 lines
7.0 KiB
Bash
Executable File
232 lines
7.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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#set -x
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################################################################################
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# PRE-INSTALLATION
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################################################################################
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# check for internet connectivity
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ping -c 1 google.com > /dev/null
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if [[ ! $? -eq 0 ]]; then
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echo "No internet access :("
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exit 1
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fi
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# check if the user is root
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if [[ $EUID -ne 0 ]]; then
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echo "This script needs to be run as the root user :("
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exit 1
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fi
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# detect if Arch Linux booted into Legacy BIOS or UEFI
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if [[ ! "$(ls -A /sys/firmware/efi/efivars)" ]]; then
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echo "This script was tailored for a system with UEFI."
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echo "Please modify this script manually :("
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exit 1
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fi
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################################################################################
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# SELECT THE FASTEST "HTTPS" MIRRORS
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################################################################################
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MIRRORLIST_FILE="/etc/pacman.d/mirrorlist"
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cp mirrorlist $MIRRORLIST_FILE
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# check if reflector is already running
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pgrep reflector > /dev/null
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if [[ $? -eq 0 ]]; then
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IS_REFLECTOR_RUNNING=y
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else
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IS_REFLECTOR_RUNNING=n
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fi
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# pacman config
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sed -i "s/#ParallelDownloads = 5/ParallelDownloads = 6/" /etc/pacman.conf || echo "ParallelDownloads = 6" | tee -a /etc/pacman.conf
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# start finding the best mirrors in the background
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if [[ ! -f "$MIRRORLIST_FILE" && $IS_REFLECTOR_RUNNING == "n" ]]; then
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reflector \
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--connection-timeout 2 \
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--latest 100 \
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--sort rate \
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--fastest 10 \
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--protocol https \
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--save /etc/pacman.d/mirrorlist > /dev/null
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fi
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################################################################################
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# SET THINGS UP FOR INSTALLATION
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################################################################################
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# set some global variables
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FONT_BOLD=$(tput bold)
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FONT_NORM=$(tput sgr0)
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YES_NO_OPTION="$FONT_BOLD(y/n)$FONT_NORM"
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# update system clock
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timedatectl set-ntp true
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################################################################################
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# CHOOSE A DRIVE ON WHICH ARCH LINUX WILL BE INSTALLED
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################################################################################
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# choose the drive to install Arch Linux on
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OS_DRIVE=empty
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CORRECTLY_CHOSEN=n
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if [[ $(grep 'AuthenticAMD' /proc/cpuinfo) ]]; then
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CPU_VENDOR_NAME="amd"
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elif [[ $(grep 'GenuineIntel' /proc/cpuinfo) ]]; then
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CPU_VENDOR_NAME="intel"
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else
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CPU_VENDOR_NAME="nanyabusiness"
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fi
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while [[ $CORRECTLY_CHOSEN == "n" || $CORRECTLY_CHOSEN == "N" ]]; do
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tput -x clear
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fdisk -l
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echo -e "\n\nPlease input the full path of the storage device onto which Arch Linux should be installed: (eg: $FONT_BOLD/dev/sda$FONT_NORM)"
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read OS_DRIVE
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tput -x clear
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fdisk -l "$OS_DRIVE"
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echo -e "\n\nIs this the drive you want to install Arch Linux on? $YES_NO_OPTION"
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read CORRECTLY_CHOSEN
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done
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################################################################################
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# FORMAT THE DRIVE ON WHICH ARCH LINUX WILL BE INSTALLED
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################################################################################
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# partition the drive
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FORMAT_YES=no
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SEPARATE_HOME_ROOT=no
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TOTAL_DEV_SIZE_IN_BYTES=$(blockdev --getsize64 ${OS_DRIVE})
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UEFI_PART_SIZE=513MiB
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ROOT_PART_SIZE=20GiB
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tput -x clear
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echo "Do you want a separate \`home\` and \`root\` partition? $YES_NO_OPTION"
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read SEPARATE_HOME_ROOT
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if [[ $SEPARATE_HOME_ROOT == "Y" || $SEPARATE_HOME_ROOT == "y" ]]; then
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echo -e "\n\n\n\nYou chose that you want separate home and root partitions."
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echo "You will$FONT_BOLD not$FONT_NORM be asked for the Home partition's size. It will occupy the remaining space.\n"
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echo "Please enter the size of root partition in GiB (without the unit)."
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echo -e "10% or 12GB (whichever is greater) of the total drive space is usually a good idea.\n"
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read ROOT_PART_SIZE
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ROOT_PART_SIZE="$ROOT_PART_SIZE""GiB"
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fi
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################################################################################
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# CREATE PARTITIONS
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################################################################################
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# create the disk partitions
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tput -x clear
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echo -e "Your drive will be split into 3 partitions:\n\n"
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echo -e " mount point | filesystem | size "
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echo -e "-------------|------------|----------"
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echo -e " /boot/ | EFI | 512Mib "
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echo -e " / | ext4 | $ROOT_PART_SIZE"
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echo -e " /home | ext4 | <remaining space>"
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echo -e "\n\nDoes the above look good to you? $YES_NO_OPTION\n"
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read FORMAT_YES
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if [[ $FORMAT_YES == "y" || $FORMAT_YES == "Y" ]]; then
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parted -s "$OS_DRIVE" mklabel gpt
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parted -s "$OS_DRIVE" mkpart primary fat32 1 513MiB
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parted -s "$OS_DRIVE" mkpart logical ext4 514MiB $ROOT_PART_SIZE
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parted -s "$OS_DRIVE" mkpart logical ext4 $ROOT_PART_SIZE 100%
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parted -s "$OS_DRIVE" set 1 boot on
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else
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exit 1
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fi
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################################################################################
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# MOUNT PARTITIONS
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################################################################################
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# check what kind of storage device $OS_DRIVE is
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if [[ "$OS_DRIVE" =~ "sd" || "$OS_DRIVE" =~ "vd" ]]; then
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UEFI_PARTITION="$OS_DRIVE""1"
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ROOT_PARTITION="$OS_DRIVE""2"
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HOME_PARTITION="$OS_DRIVE""3"
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elif [[ "$OS_DRIVE" =~ "nvme" ]]; then
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UEFI_PARTITION="$OS_DRIVE""p1"
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ROOT_PARTITION="$OS_DRIVE""p2"
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HOME_PARTITION="$OS_DRIVE""p3"
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fi
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# format partitions
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mkfs.fat -F32 "$UEFI_PARTITION"
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mkfs.ext4 -F "$HOME_PARTITION"
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mkfs.ext4 -F "$ROOT_PARTITION"
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# mount the partitions
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mount ${ROOT_PARTITION} /mnt
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mount --mkdir ${UEFI_PARTITION} /mnt/boot
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mount --mkdir ${HOME_PARTITION} /mnt/home
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################################################################################
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# INITIATE PACKAGE INSTALLATION
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################################################################################
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# check and copy mirrorlist
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while [[ ! -f "$MIRRORLIST_FILE" ]]; do
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tput -x clear
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echo "$(date +'%Y/%m/%d %H:%M:%S') => Waiting for the mirrorlist to be generated. Please be patient."
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echo "Go touch grass for a while ;)"
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sleep 10
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done
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mkdir -p /mnt/etc/pacman.d/
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cp ${MIRRORLIST_FILE} /mnt"$MIRRORLIST_FILE"
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# update pacman db
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pacman --sync --refresh --refresh
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pacman -S archlinux-keyring --noconfirm
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# install packages
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bash scripts/install-packages.sh "$CPU_VENDOR_NAME"
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# generate fstab
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genfstab -U /mnt >> /mnt/etc/fstab
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# chroot setup
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mkdir -p /mnt/chroot-scripts
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cp scripts/{chroot-setup,doas-pratham}.sh /mnt/chroot-scripts/
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cp {nvidia,bspwm}.hook /mnt/chroot-scripts/
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arch-chroot /mnt bash /chroot-scripts/chroot-setup.sh "$CPU_VENDOR_NAME" "$ROOT_PARTITION"
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rm -rf /mnt/chroot-scripts
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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# copy the setup script that can only be done after pratham logs in
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cp scripts/pratham-setup.sh /mnt/home/pratham/pratham-setup.sh
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arch-chroot /mnt chown -v pratham:pratham /home/pratham/pratham-setup.sh
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################################################################################
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# POST-INSTALL PROCEDURE
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################################################################################
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# unmount filesystems
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umount -R /mnt
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