76 lines
2.6 KiB
Bash
Executable File
76 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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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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# Log the output of the lsblk command for troubleshooting
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sudo lsblk > lsblk.log
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# Specify devices and their mount points
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STORAGE_DEV="sda1"
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STORAGE_MOUNT_POINT="/media/storage"
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CARD_DEV="sdb1"
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CARD_MOUNT_POINT="/media/card"
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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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# 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 $STORAGE_MOUNT_POINT
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# Set the ACT LED to blink at 1000ms to indicate that the storage device has been mounted
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sudo sh -c "echo timer > /sys/class/leds/led0/trigger"
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sudo sh -c "echo 1000 > /sys/class/leds/led0/delay_on"
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# If there is a wpa_supplicant.conf file in the root of the storage device
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# Rename the original config file,
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# move wpa_supplicant.conf from the card to /etc/wpa_supplicant/
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# Reboot to enable networking
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if [ -f "$STORAGE_MOUNT_POINT/wpa_supplicant.conf" ]; then
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sudo sh -c "echo 100 > /sys/class/leds/led0/delay_on"
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mv /etc/wpa_supplicant/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf.bak
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mv "$STORAGE_MOUNT_POINT/wpa_supplicant.conf" /etc/wpa_supplicant/wpa_supplicant.conf
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reboot
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fi
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# Wait for a card reader or a camera
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CARD_READER=$(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 the CARD_ID file containing a random 8-digit identifier if doesn't exist
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if [ ! -f $CARD_MOUNT_POINT/CARD_ID ]; then
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< /dev/urandom tr -cd 0-9 | head -c 8 > $CARD_MOUNT_POINT/CARD_ID
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fi
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# Read the 8-digit identifier number from the CARD_ID file on the card
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# and use it as a directory name in the backup path
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read -r ID < $CARD_MOUNT_POINT/CARD_ID
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BACKUP_PATH=$STORAGE_MOUNT_POINT/"$ID"
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# Perform backup using rsync
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rsync -avh $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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