Remotely flash an esp32

[AlexNomadrg]

I have a desktop and I need to flash an esp32 that controls an LED strip. It is soldered to a transistor and I cannot connect it to my desktop directly via USB. I've tried connecting it to a raspberry Pi and using socat to forward the USB port through the net:

socat TCP-LISTEN:1234,reuseaddr,fork FILE:/dev/ttyACM0,b115200,raw

And connecting it to the desktop:

socat -d -d PTY,link=/tmp/esp32-serial,raw TCP:192.168.1.12:1234

That didn't work. espflash returns this error:

espflash board-info --port /tmp/esp32-serial 
Error: espflash::serial_not_found

  × The serial port '/dev/pts/7' could not be found
  help: Make sure the correct device is connected to the host
        system

[SergioGasquez]

Hi! I don't have any experience with port forwarding, but I'd recommend asking in our matrix channel: https://matrix.to/#/#esp-rs:matrix.org to see if someone did something similar. Also, I'd check if you could access the serial port with any other command or tool