[kanchilug] 1D1C - check-bios-nx

  • From: Dhanasekar <tkdhanasekar@xxxxxxxxx>
  • To: ilugc@xxxxxxxxxxxxx, kanchilug@xxxxxxxxxxxxx
  • Date: Sat, 14 May 2022 06:00:00 +0530

check-bios-nx - determine if BIOS has blocked CPU's NX capabilities
                          NX stands for No eXecute is a technology used in
processors to prevent the execution of certain types of code

This  program attempts to determine if the running x86-based CPU has NX
capabilities
If the CPU is NX-capable but the nx bit is missing from flags,  exit
 1 otherwise exit 0 (nothing wrong with BIOS)

$ sudo check-bios-nx --verbose
ok: the NX bit is operational on this CPU.



regards,
T.Dhanasekar

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