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Socat.md

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Socat Commands

Here you can find some useful socat commands, for network forwading data, exposing serials on the internet and others.

Serial Only

  • Create two linked serial ports

    socat PTY,link=/dev/ttyVirtual1 PTY,link=/dev/ttyVirtual2

Serial-UDP

  • Create an UDP SERVER to expose a local serial device /dev/ttyUSB0 with 115200 baud in UDP port 4777

    socat -dd UDP-LISTEN:4777,fork,reuseaddr,ignoreeof FILE:/dev/ttyUSB0,b115200,raw,ignoreeof

  • Create an local virtual serial device with 115200 baud connected to remote device at server 127.0.0.1 and UDP port 6676 (this exits immediately, remember to kill socat later or change script so it waits for it.)

#!/usr/bin/env bash
socat PTY,link=/dev/ttyUSB0,group=uucp,perm=0660,user=root UDP:127.0.0.1:6676&
sleep 1
chown -h root:uucp /dev/ttyUSB0

Serial-TCP

  • Create an UDP SERVER to expose a local serial device with 115200 baud in TCP port 4777

    //TODO

  • Create an local virtual serial device with 115200 baud connected to remote device at server 127.0.0.1 and TCP port 115200

    //TODO