## Serial client
Prefer socat to support arrow keys
```
nc 192.168.1.154 7777
socat -d -d -,raw,echo=0 TCP:192.168.1.154:7777
```

## Serial server
```
socat -d -d /dev/ttyACM0,b115200,raw,echo=0 tcp-listen:7777,reuseaddr
```

## openocd server
```
openocd -f interface/cmsis-dap.cfg -f target/nrf52.cfg -c "bindto 0.0.0.0"
```

## VScode launch.json
```json
{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Zephyr Remote Cortex-Debug (OpenOCD)",
      "type": "cortex-debug",
      "request": "launch",

      "executable": "${workspaceFolder}/build/zephyr/zephyr.elf",

      "servertype": "external",
      "gdbTarget": "192.168.1.154:3333",

      "gdbPath": "/usr/bin/arm-none-eabi-gdb",

      "runToEntryPoint": "main",

      "preLaunchCommands": [
        "monitor reset halt"
      ]
    }
  ]
}
```

## generate key
```
openssl genrsa -out key.pem 2048
```