About loss of WIFI : I use Xubuntu Linux 16.04 on a laptop and I lost the WIFI after kernel update from 4.13.0-45 to 4.15.0-24 on july 2 2018. My provisional solution is to boot using kernel 4.13.0-45 selected with grub menu.( maj key depressed at start-up. I will do that until next xubuntu...
