73 lines
1.8 KiB
Bash
73 lines
1.8 KiB
Bash
#!/bin/bash
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set -e
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# Ensure the script is run as root
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if [[ $EUID -ne 0 ]]; then
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echo "❌ This script must be run as root. Please use sudo."
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exit 1
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fi
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# Set your target disk here
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udevadm trigger
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lsblk
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read -rp "Enter the target disk (e.g., sda): " disk_suffix
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disk_name="/dev/${disk_suffix}"
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read -rp "Enter the name of the usb partition in /dev/mapper (e.g., sda1): " disk_suffix
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usb_name="/dev/mapper/${disk_suffix}"
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# Mount Ventoy
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echo "Mounting Ventoy..."
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mkdir /mnt/ventoy
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mount /dev/mapper/usb_name /mnt/ventoy
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cd /mnt/ventoy/Images
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# Decompress and write image
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echo "Writing image to $disk_name..."
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lz4 -dc PBX-LVM.img.lz4 | dd of=$disk_name status=progress
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# Repartition disk using sgdisk
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echo "Expanding Partition 3 on $disk_name..."
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sgdisk -v $disk_name
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sgdisk --delete=3 $disk_name
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sgdisk --new=3:0:0 --typecode=3:8e00 --change-name=3:"Linux LVM" $disk_name
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# Inform the OS of partition table changes
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partprobe $disk_name
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sleep 2 # Give the system a moment to recognize changes
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# Resize physical volume
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echo "Resizing physical volume..."
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pvresize ${disk_name}3
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# Resize swap and root logical volumes
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echo "Resizing swap and root volumes..."
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lvresize -L +7G PBX-vg/swap_1
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lvresize -l +100%FREE --resizefs PBX-vg/root
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# Mount restored system for chroot
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echo "Mounting restored system..."
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mkdir /mnt/debian
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mount /dev/mapper/PBX--vg-root /mnt/debian/
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mount ${DISKNAME}2 /mnt/debian/boot
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mount ${DISKNAME}1 /mnt/debian/boot/efi
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for i in /dev /dev/pts /proc /sys /sys/firmware/efi/efivars /run; do mount -B $i /mnt/debian/$i; done
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# Chroot and reinstall GRUB
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echo "Entering chroot to reinstall GRUB..."
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chroot /mnt/debian /bin/bash -c "
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grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=debian
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update-grub
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"
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# Exit chroot and unmount
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echo "Cleaning up..."
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umount -R /mnt
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echo "Restore and resize complete!"
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