Update README.md with Secure Boot requirement

README.md

@@ -3,11 +3,8 @@
 Reads GDDR6/GDDR6X VRAM memory temperatures from multiple supported NVIDIA GPUs found in a host Linux system.
 These findings are based on reverse engineering of the NVIDIA GPU Linux driver.
 
-## Dependencies
+
-- libpci-dev 
+## Prerequisites
-```
-sudo apt install libpci-dev -y
-```
 
 - Kernel boot parameter: iomem=relaxed
 ```
@@ -17,6 +14,26 @@ sudo update-grub
 sudo reboot
 ```
 
+- Disabling Secure Boot
+  
+This can be done in the UEFI/BIOS configuration or using [mokutil](https://wiki.debian.org/SecureBoot#Disabling.2Fre-enabling_Secure_Boot):
+
+```
+mokutil --disable-validation
+```
+
+Check state with:
+```
+$ sudo mokutil --sb
+SecureBoot disabled
+```
+
+## Dependencies
+- libpci-dev 
+```
+sudo apt install libpci-dev -y
+```
+
 ## Installation (cmake)
 ```
 git clone https://github.com/olealgoritme/gddr6