echo "Image created: $OUT (no bootloader – not bootable alone)" For a truly bootable image, add partition table, kernel, and bootloader as described in Section 2.
unsquashfs -d "$TEMP/rootfs" "$SNAP" dd if=/dev/zero of="$OUT" bs=1M count=512 mkfs.ext4 "$OUT" mkdir -p /mnt/img mount "$OUT" /mnt/img cp -a "$TEMP/rootfs/" /mnt/img/ umount /mnt/img rm -rf "$TEMP" snap2img
#!/bin/bash # Minimal version using unsquashfs and dd SNAP="$1" OUT="$2" TEMP=$(mktemp -d) echo "Image created: $OUT (no bootloader – not