stockholm/krebs/2configs/hw/getty-for-esp.nix
makefu 3ed2d7d370
getty-for-esp: init
this module provides a serial port which is exposed via an esp8266 to the network via wifi.
it essentially creates a backdoor to the serial console when the network config is b0rked again
2020-11-24 22:13:32 +01:00

18 lines
745 B
Nix

{
# 1. Program an esp8266 devboard (esp8266+usb-ttl) with # https://github.com/jeelabs/esp-link
# tested vesion: esp-link v3.2.47-g9c6530d
# Pin Preset: esp-bridge
# tx-enable: false
# uart-pins: normal
# 2. connect directly with usb-cable to device, check that vendorID and ProductID match
# 3. nc <esp-link-ip> 23
# Info: for puyak the root pw is `brain hosts/puyak/root`
services.udev.extraRules = ''
SUBSYSTEM=="tty", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="7523", SYMLINK+="ilo", MODE="0660"
'';
systemd.services."serial-getty@ilo".enable = true;
systemd.services."serial-getty@ilo".wantedBy = [ "multi-user.target" ];
systemd.services."serial-getty@ilo".serviceConfig.Restart = "always";
}