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I'm having a difficulty setting up socat the way I need. The setup I have is as follows:
- Server with the console on the serial port.
- Openwrt router with its serial port connected to the server's.
- Laptop where I would like to access the server's console from.
I have got it working wonderfully, with openssl, running an instance of socat on the router and another one on the laptop. On the laptop I use screen over the virtual pty.
The issue shows up whenever I suspend my laptop or exit screen. I believe the server's serial console gets messed up if the connection with the router is closed. Most of the times I have to reboot the server to have a working console again after resuming my laptop, because of it.
On both sides socat is respawned if killed. I have tried countless options like fork, reuseaddr, ignoreeof, ... Right now I have left it as: