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https://github.com/kevinveenbirkenbach/linux-image-manager.git
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Added draft for storage encryption procedures
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13
README.md
13
README.md
@ -33,11 +33,11 @@ This repository contains the following scripts:
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| Order | Description |
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|---|---|
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| ```bash ./scripts/system-setup.sh``` | Setup the customized software on the system on which you execute it. |
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| ```bash ./scripts/backup.sh``` | Executes all setup scripts. |
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| ```bash ./scripts/import-data-from-system.sh``` | Import data from the host system.|
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| ```bash ./scripts/export-data-to-system.sh``` | Export data to the host system.|
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| ```bash ./scripts/unlock.sh``` | Unlock the stored data.|
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| ```bash ./scripts/lock.sh``` | Lock the stored data |
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| ```bash ./scripts/image/backup.sh``` | Backup an device image |
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| ```bash ./scripts/data/import-data-from-system.sh``` | Import data from the host system.|
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| ```bash ./scripts/data/export-data-to-system.sh``` | Export data to the host system.|
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| ```bash ./scripts/encryption/data/unlock.sh``` | Unlock the stored data.|
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| ```bash ./scripts/encryption/data/lock.sh``` | Lock the stored data |
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| ```bash ./scripts/pull-local-repositories.sh``` | Pulls all local repositories branches |
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| ```bash ./scripts/pushs-local-repositories.sh``` | Pushs all local repositories branches |
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| ```encfsctl passwd .encrypted``` | Change the password of the encrypted folder. |
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@ -56,7 +56,8 @@ $HOME/Documents/certificates/ | Contains certificates to authenticate via [certi
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| $HOME/Documents/recovery_codes/ | Contains files with recovery_codes e.g. for [Two-factor authentication](https://en.wikipedia.org/wiki/Multi-factor_authentication). |
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| $HOME/Documents/identity/ | Contains files to prove the identity of the *Core System Owner* in physical live like passports. |
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| $HOME/Documents/passwords/ | Contains e.g the [KeePassXC](https://keepassxc.org/) database with all *Core System Owner* passwords. |
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| $HOME/Documents/repositories/ | Contains all git repositories |
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| $HOME/Repositories/ | Contains all git repositories |
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| $HOME/Games/roms | Contains all roms |
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| $HOME/Images/ | contains os images|
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#### Desktop
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@ -65,6 +65,23 @@ error(){
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exit 1;
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}
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# Routine to echo the full sd-card-path
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set_device_path(){
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info "Available devices:"
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ls -lasi /dev/ | grep -E "sd|mm"
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question "Please type in the name of the device: /dev/" && read -r device
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device_path="/dev/$device"
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if [ ! -b "$device_path" ]
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then
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error "$device_path is not valid device."
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fi
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# @see https://www.heise.de/ct/hotline/Optimale-Blockgroesse-fuer-dd-2056768.html
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OPTIMAL_BLOCKSIZE=$(expr 64 \* "$(sudo cat /sys/block/$device/queue/physical_block_size)") &&
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info "Device path set to: $device_path" &&
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info "Optimal blocksize set to: $OPTIMAL_BLOCKSIZE" ||
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error
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}
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HEADER(){
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echo
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echo "${COLOR_YELLOW}The"
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@ -18,11 +18,11 @@ declare -a BACKUP_LIST=("$HOME/.ssh/" \
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"$HOME/Documents/identity/" \
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"$HOME/Documents/passwords/" \
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"$HOME/Documents/licenses/");
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if [ -z "$(mount | grep "$DECRYPTED_PATH")" ]
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then
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info "The decrypted folder $DECRYPTED_PATH is locked. You need to unlock it!" &&
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bash "$SCRIPT_PATH""encryption/unlock.sh" || error "Unlocking failed.";
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bash "$SCRIPT_PATH""encryption/data/unlock.sh" || error "Unlocking failed.";
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fi
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if [ "$1" = "reverse" ]
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then
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@ -5,7 +5,7 @@
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#
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# shellcheck disable=SC2015 # Deactivating bool hint
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# shellcheck source=/dev/null # Deactivate SC1090
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source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Locking directory $DECRYPTED_PATH..." &&
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fusermount -u "$DECRYPTED_PATH" || error "Unmounting failed."
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info "Data is now encrypted."
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@ -5,7 +5,7 @@
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#
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# shellcheck source=/dev/null # Deactivate SC1090
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# shellcheck disable=SC2015 # Deactivating bool hint
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source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Unlocking directory $DECRYPTED_PATH..."
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if [ ! -d "$DECRYPTED_PATH" ]
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then
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13
scripts/encryption/storage/base.sh
Normal file
13
scripts/encryption/storage/base.sh
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@ -0,0 +1,13 @@
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#!/bin/bash
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source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
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set_device_mount_and_mapper_paths(){
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set_device_path &&
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mapper_name="encrypteddrive-$device" &&
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mapper_path="/dev/mapper/$mapper_name" &&
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mount_path="/media/$mapper_name" &&
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info "mapper name set to : $mapper_name" &&
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info "mapper path set to : $mapper_path" ||
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info "mount path set to : $mount_path" ||
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error
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}
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14
scripts/encryption/storage/mount.sh
Normal file
14
scripts/encryption/storage/mount.sh
Normal file
@ -0,0 +1,14 @@
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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echo "Mounting encrypted storage..."
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set_device_mount_and_mapper_paths
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info "Unlock partition..." &&
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sudo cryptsetup luksOpen $device_path $mapper_name ||
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error
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info "Mount partition..." &&
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sudo mount $mapper_path $mount_path ||
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error
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success "Mounting successfull :)"
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40
scripts/encryption/storage/setup.sh
Normal file
40
scripts/encryption/storage/setup.sh
Normal file
@ -0,0 +1,40 @@
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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echo "Setups disk encryption"
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set_device_mount_and_mapper_paths
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info "Overwritting device \"$device_path\" with zeros..." &&
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sudo dd if=/dev/zero of=$device_path bs=$OPTIMAL_BLOCKSIZE status=progress conv=fdatasync ||
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error
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info "Creating new GPT partition table..."
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( echo "g" # create a new empty GPT partition table
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echo "w" # Write partition table
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)| sudo fdisk "$device_path" || error
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info "Creating partition table..."
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( echo "n" # Create GPT partition table
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echo "p" # Create GPT partition table
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echo "w" # Write partition table
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)| sudo fdisk "$device_path" || error
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info "Show memory devices..." &&
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sudo fdisk -l || error
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info "Encrypt $device_path..." &&
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sudo cryptsetup -v -y luksFormat $device_path
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info "Unlock partition..." &&
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sudo cryptsetup luksOpen $device_path $mapper_name
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info "Create btrfs file system..." &&
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sudo mkfs.btrfs $mapper_path || error
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info "Creating mount folder unter \"$mount_path\"..." &&
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mkdir -p $mount_path || error
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info "Mount partition..." &&
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sudo mount $mapper_path $mount_path || error
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info "Own partition by user..." &&
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sudo chown -R $USER:$USER $mount_path || error
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0
scripts/encryption/storage/umount.sh
Normal file
0
scripts/encryption/storage/umount.sh
Normal file
@ -26,18 +26,6 @@ set_partition_paths(){
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boot_partition_path=$(echo_partition_name "1")
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}
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# Routine to echo the full sd-card-path
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set_device_path(){
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info "Available devices:"
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ls -lasi /dev/ | grep -E "sd|mm"
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question "Please type in the name of the device: /dev/" && read -r device
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device_path="/dev/$device"
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if [ ! -b "$device_path" ]
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then
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error "$device_path is not valid device."
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fi
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}
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make_mount_folders(){
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info "Preparing mount paths..." &&
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boot_mount_path="$working_folder_path""boot/" &&
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@ -210,10 +210,6 @@ make_mount_folders
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set_partition_paths
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# @see https://www.heise.de/ct/hotline/Optimale-Blockgroesse-fuer-dd-2056768.html
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optimal_blocksize=$(expr 64 \* "$(sudo cat /sys/block/$device/queue/physical_block_size)") &&
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info "Calculated optimal blocksize of $optimal_blocksize""Byte for \"dd\" operations."
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question "Should the image be transfered to $device_path?(y/n)" && read -r transfer_image
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if [ "$transfer_image" = "y" ]
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then
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@ -222,7 +218,7 @@ if [ "$transfer_image" = "y" ]
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if [ "$copy_zeros_to_device" = "y" ]
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then
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info "Overwritting..." &&
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dd if=/dev/zero of="$device_path" bs="$optimal_blocksize" || error "Overwritting $device_path failed."
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dd if=/dev/zero of="$device_path" bs="$OPTIMAL_BLOCKSIZE" status=progress || error "Overwritting $device_path failed."
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else
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info "Skipping Overwritting..."
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fi
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@ -267,19 +263,19 @@ if [ "$transfer_image" = "y" ]
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elif [ "${image_path: -4}" = ".zip" ]
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then
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info "Transfering .zip file..." &&
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unzip -p "$image_path" | sudo dd of="$device_path" bs="$optimal_blocksize" conv=fsync || error "DD $image_path to $device_path failed." &&
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unzip -p "$image_path" | sudo dd of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress || error "DD $image_path to $device_path failed." &&
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sync ||
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error
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elif [ "${image_path: -3}" = ".gz" ]
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then
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info "Transfering .gz file..." &&
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gunzip -c "$image_path" | sudo dd of="$device_path" bs="$optimal_blocksize" conv=fsync &&
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gunzip -c "$image_path" | sudo dd of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress &&
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sync ||
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error
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elif [ "${image_path: -4}" = ".iso" ]
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then
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info "Transfering .iso file..." &&
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sudo dd if="$image_path" of="$device_path" bs="$optimal_blocksize" conv=fsync &&
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sudo dd if="$image_path" of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress &&
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sync ||
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error
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else
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