User Activity

It appears that the STM32 CDC isn't recognised by Linux (Raspian). Searching only seems to come up with old posts from people having the same problem and no solution. Is there a driver ?
I've used a STM32F042C4U6 in a simple application requiring USB. I'm using cube IDE. When the project is generated with cubeMX and compiled, it is too large to fit in memory before I've even added any user code. Is this right ? If so, what is the poi...