how to do a linux reboot from php file

Question

I have a user brftv on my linux system and I have www-data that runs the nginx.

from the terminal I can let my brftv user run

sudo /sbin/reboot
         


        

Answer 1

Try this code

brftv ALL=NOPASSWD: /sbin/halt, /sbin/reboot, /sbin/poweroff
 www-data ALL=(brftv) NOPASSWD: /sbin/halt, /sbin/reboot, /sbin/poweroff 

then from php

exec('sudo /sbin/reboot');