ADB shell commands to enable tethering on Android Nougat [root required]

tethering_enabler.txt

echo "Android Nougat Tethering enabler by BigNerd95"
echo

echo "Backingup build.prop in /sdcard/build.prop.backup"
cp /system/build.prop /sdcard/build.prop.backup
cp /system/build.prop /sdcard/build.prop 

echo "Editing build.prop"
echo net.tethering.noprovisioning=true >> /sdcard/build.prop

echo "Entering root (grant SU access on the phone)"
su
id

echo "Remounting system as RW"
mount -orw,remount /system

echo "Replacing build.prop"
mv /sdcard/build.prop /system/build.prop

echo "Remounting system as RO"
mount -oro,remount /system

echo "Rebooting"
reboot

Connect the phone to the pc.
On the pc run:

$ adb shell < tethering_enabler.txt

On the phone grant ADB shell root permissions when required.