![]() The -b flag causes acpidump to write to a file under all circumstances, so an alternative method is to use the command sudo tail -c+57 /sys/firmware/acpi/tables/MSDMĪ legitimate Windows 8 installer should automatically detect the key in the ACPI and continue installing with the built-in key. New versions of acpidump shipped with Ubuntu work differently than described above. Finally, add an echo at the end to make it terminal-friendly =DĪcpidump -t MSDM will work as well, but the key is broken over multiple lines, making it hard to copy. Since we only need the last part of the table, pipe the output into dd, but but skip the unnecessary junk. Another way that doesn't require looking through a ton of output is: sudo acpidump -b -t MSDM | dd bs=1 skip=56 2>/dev/null echoĪcpidump dumps the table (default in hexdump format), but the -b options tells it to output the raw data.
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