89 lines
2.9 KiB
Bash
Executable File
89 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# IMPORTANT:
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# Run the install-little-backup-box.sh script first
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# to install the required packages and configure the system.
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# Specify devices and their mount points
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# and other settings
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STORAGE_DEV="sda1" # Name of the storage device
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STORAGE_MOUNT_POINT="/media/storage" # Mount point of the storage device
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CARD_DEV="sdb1" # Name of the storage card
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CARD_MOUNT_POINT="/media/card" # Mount point of the storage card
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SHUTD="5" # Minutes to wait before shutdown due to inactivity
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# Set the ACT LED to heartbeat
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sudo sh -c "echo heartbeat > /sys/class/leds/led0/trigger"
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# Shutdown after a specified period of time (in minutes) if no device is connected.
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sudo shutdown -h $SHUTD "Shutdown is activated. To cancel: sudo shutdown -c"
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# Wait for a USB storage device (e.g., a USB flash drive)
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STORAGE=$(ls /dev/* | grep $STORAGE_DEV | cut -d"/" -f3)
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while [ -z ${STORAGE} ]
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do
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sleep 1
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STORAGE=$(ls /dev/* | grep $STORAGE_DEV | cut -d"/" -f3)
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done
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# When the USB storage device is detected, mount it
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mount /dev/$STORAGE_DEV $STORAGE_MOUNT_POINT
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# Cancel shutdown
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sudo shutdown -c
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# Set the ACT LED to blink at 1000ms to indicate that the storage device has been mounted
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sudo sh -c "echo timer > /sys/class/leds/led0/trigger"
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sudo sh -c "echo 1000 > /sys/class/leds/led0/delay_on"
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# Wait for a card reader or a camera
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CARD_READER=$(ls /dev/* | grep $CARD_DEV | cut -d"/" -f3)
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until [ ! -z "$CARD_READER" ]
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do
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sleep 1
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CARD_READER=$(ls /dev/sd* | grep $CARD_DEV | cut -d"/" -f3)
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done
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# If the card reader is detected, mount it and obtain its UUID
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if [ ! -z "$CARD_READER" ]; then
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mount /dev/$CARD_DEV $CARD_MOUNT_POINT
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# # Set the ACT LED to blink at 500ms to indicate that the card has been mounted
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sudo sh -c "echo 500 > /sys/class/leds/led0/delay_on"
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# Create a .id random identifier file if doesn't exist
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cd "$CARD_MOUNT_POINT"
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if [ ! -f *.id ]; then
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random=$(echo $RANDOM)
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touch $(date -d "today" +"%Y%m%d%H%M")-$random.id
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fi
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ID_FILE=$(ls *.id)
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ID="${ID_FILE%.*}"
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cd
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# Set the backup path
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BACKUP_PATH=$STORAGE_MOUNT_POINT/"$ID"
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# Perform backup using rsync
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rsync -ah --exclude "*.id" "$CARD_MOUNT_POINT"/ "$BACKUP_PATH"
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# Turn off the ACT LED to indicate that the backup is completed
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sudo sh -c "echo 0 > /sys/class/leds/led0/brightness"
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fi
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# Shutdown
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sync
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shutdown -h now
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