1 - sudo aptitude install apt-transport-https
2 - Then edit the /etc/apt/sources.list file on your system and add the line: deb https://linux-libre.fsfla.org/pub/linux-libre/freesh/ freesh main 3 - wget https://jxself.org/gpg.inc 4 - sudo apt-key add gpg.inc rm gpg.inc 5 - sudo aptitude update 6 - sudo aptitude install linux‑libre64‑4.1 7 - cd /boot/grubsudo ln -s grub.cfg libreboot_grub.cfg