- sudo su -
- apt-get clean
- cd /var/lib/apt
- mv lists lists.old
- mkdir -p lists/partial
- apt-get clean
- apt-get update
https://askubuntu.com/questions/931995/100-cpu-due-to-fwupd-process-in-ubuntu-16-04
https://askubuntu.com/questions/931995/100-cpu-due-to-fwupd-process-in-ubuntu-16-04