systemd method of shutting down

src/freedombone-controlpanel

         1) return;;
         255) return;;
     esac
-    shutdown now
+    systemctl poweroff
 }
 
 function restart_system {

src/freedombone-utils-final

             echo $'Shutting down the system. Detatch the ethernet cable, attach wifi dongle, then power on again.'
             echo ''
             ${PROJECT_NAME}-logging off
-            shutdown now
+            systemctl poweroff
             return
         fi
         echo $'Turning off logging'

src/freedombone-utils-wifi

 
 # Debian stretch has a problem where the formerly predictable wlan0 and eth0
 # device names get assigned random names. This is a hacky workaround.
+# Also adding net.ifnames=0 to kernel options on bootloader may work.
 function enable_predictable_device_names {
     if [ $rootdir ]; then
         chroot "$rootdir" ln -s /dev/null /etc/udev/rules.d/80-net-setup-link.rules