NFCGate
https://github.com/nfcgate/nfcgate


cd /d/root_nexus_5x
adb reboot bootloader
fastboot oem unlock
fastboot format userdata
fastboot -w
fastboot boot twrp-3.7.0_9-0-bullhead.img


adb reboot bootloader
fastboot oem unlock
fastboot flash recovery twrp-3.7.0_9-0-bullhead.img
fastboot format userdata
fastboot -w
#fastboot reboot bootloader
restart in recovery + press Power + Vol -
Stop rigth after the TWRP start.



Install of Lineageos using TWRP:
Download the ZIP from :
https://lineageosroms.com/bullhead/

Then put it on the device.
Use install menu on TWRP


Install Magisk
https://github.com/topjohnwu/Magisk/releases
https://topjohnwu.github.io/Magisk/install.html

adb install Magisk.v26.3.apk

Unzip LineageOs, get the boot.img file.
Put it on the device, use Magisk to patch the image.


adb pull /storage/emulated/0/Download/patched_boot.img

Get the patched file name
adb shell ls "sdcard/Download/magisk_patche*"

adb pull sdcard/Download/magisk_patched-26300_2QeAq.img

adb reboot fastboot

fastboot oem unlock
fastboot flash boot magisk_patched-26300_2QeAq.img
fastboot reboot

install Magisk Again, and launch it.

Install QRCode reader.
https://m.apkpure.com/fr/qr-code-reader-qr-code-bar/com.tohsoft.qrcode

Install LSPosed
https://github.com/LSPosed/LSPosed/releases
https://github.com/LSPosed/LSPosed/releases/tag/v1.9.1
Take the : 
LSPosed-v1.9.1-6990-zygisk-release.zip 
Put the file in the device, then install it using Magisk.

Install NFCGate
https://github.com/nfcgate/nfcgate/releases

NFCGate Server
https://github.com/nfcgate/server




Links

https://xdaforums.com/t/guide-unlock-root-flash-for-nexus-5x.3206930/
https://www.androidweblog.com/root-nexus-5x-lg-h791-install-twrp-recovery/

Magisk
https://xdaforums.com/t/magisk-the-magic-mask-for-android.3473445/
https://topjohnwu.github.io/Magisk/install.html

TWRP
https://dl.twrp.me/bullhead/twrp-2.8.7.2-bullhead.img.html

Lineage Os
https://rootmygalaxy.net/root-access-on-lineage-os/

NetHunter
https://www.kali.org/get-kali/#kali-virtual-machines