When will Pi4 officially support this feature?
Is the beta bootloader safe to use?
The beta bootloader is promoted to be stable (see link above). So it should be safe to use.
How to use the beta bootloader?
Have a look at Pi 4 Bootloader Configuration
Network interface names can be managed by systemd, which provides you with a way to use names you like via .link files. E.g. you can create a file /etc/systemd/network/10-internet.link:
Using built-in kernel names such as eth0 may lead to trouble, but you can try to reuse them nevertheless.
The Raspberry Pi Zero does not have a wired port to connect it direct to your network, so you always have to use an additional device with an USB port and a wired network port. As you noted you will connect the Pi Zero with an USB cable to the additional device and use OTG ethernet gadget mode to emulate an ethernet connection. On the other side you connect ...
uhubctl author here - I have described this issue in uhubctl FAQ:
USB devices are not removed after port power down on Linux
After powering down USB port, udev does not get any event, so it keeps the device files around. However, trying to access the device files will lead to an IO error.
This is Linux kernel issue. It may be eventually fixed in kernel, see ...
I’ve never known any issues with USB modems being powered when the computer is turned off and I’ve been using them since Windows 95 (that makes me feel really old - arrggghh).
It happens rarely on disks, SSD, HDD because they often have memory allocated to cache data going to / from the computer for performance reasons and that must be written to the slower ...
This intrigued me, so I tried a script that looks like
fswebcam -d /dev/video0 p0.jpg &
fswebcam -d /dev/video1 p1.jpg &
fswebcam -d /dev/video2 p2.jpg &
fswebcam -d /dev/video3 p3.jpg &
I was using bog-standard Chinese 640x480 USB cameras.
This was on a Pi 2 and 0.9 seconds is as low as I could go. Anything ...