Fix /etc/hosts
Add the following entry to your /etc/hosts file:
127.0.0.1 localhost
Disabling Automatic Updates
sudo systemctl stop update-engine locksmithd sudo systemctl disable update-engine locksmithd sudo systemctl mask update-engine locksmithd
Freeing Up Space
To find large files:
sudo du / -h | grep "^[0-9\.]\+G"