Thank you, I agree in the reasons and am willing to use mjpeg-streamer or motion or whatever. But I’m missing a device like /dev/video. Can it be, this support for webcams is also already removed from the kernel?

root@box:~# ls -al /dev/vi*
ls: /dev/vi*: No such file or directory
root@box:~# ls -al /dev/tty*
crw-rw-rw-    1 root     root        5,   0 Jan  1  1970 /dev/tty
crw-------    1 root     root        4,  64 Jan  1  1970 /dev/ttyS0
crw-------    1 root     root        4,  65 Jan  1  1970 /dev/ttyS1
crw-------    1 root     root        4,  74 Jan  1  1970 /dev/ttyS10
crw-------    1 root     root        4,  75 Jan  1  1970 /dev/ttyS11
crw-------    1 root     root        4,  76 Jan  1  1970 /dev/ttyS12
crw-------    1 root     root        4,  77 Jan  1  1970 /dev/ttyS13
crw-------    1 root     root        4,  78 Jan  1  1970 /dev/ttyS14
crw-------    1 root     root        4,  79 Jan  1  1970 /dev/ttyS15
crw-------    1 root     root        4,  66 Jan  1  1970 /dev/ttyS2
crw-------    1 root     root        4,  67 Jan  1  1970 /dev/ttyS3
crw-------    1 root     root        4,  68 Jan  1  1970 /dev/ttyS4
crw-------    1 root     root        4,  69 Jan  1  1970 /dev/ttyS5
crw-------    1 root     root        4,  70 Jan  1  1970 /dev/ttyS6
crw-------    1 root     root        4,  71 Jan  1  1970 /dev/ttyS7
crw-------    1 root     root        4,  72 Jan  1  1970 /dev/ttyS8
crw-------    1 root     root        4,  73 Jan  1  1970 /dev/ttyS9