Atenção usuários de email com anti-spam (Uol e Bol).
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg -O - | \sudo apt-key add -wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-2 -O - | \sudo apt-key add -