Debian Installation Caffe packages are available for several Debian versions, as shown in the following chart: Your Distro | CPU_ONLY | CUDA | Codename ----------------+------------+--------+------------------- Debian/oldstable| ✘ | ✘ | Jessie (8.0) Debian/stable | ✔ | ✔ | Stretch (9.0) Debian/testing | ✔ | ✔ | Buster Debian/unstable | ✔ | ✔ | Buster ✘ You should take a look at Ubuntu installation