Getting wifi/hotspot on a debian minimal installation

Yesterday I installed Debian with minimal install and no internet because I couldn't find any way to connect to it in the installation process. I tried to follow some tutorials but they would always fail with invalid command or cannot find device .. . So I was asking if it was possible to connect to a wifi/hotspot? What I found: Some users suggested to modify the content of /etc/network/interface , but I'd get an error after executing the command ( ip link set .. up ), lspci output: 00:00.0 Host bridge : Intel Corporation Gemini Lake Host Bridge (rev 03) 00:00.1 Signal processing controller :

Question by westspray96 on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.