This is a simple Kindle SSH server extracted from koreader, and is encapsulated into a KUAL extension. To use it, you need a jailbroken Kindle with KUAL installed. Then you should extract the package into Kindle's extensions directory.
The extension has the following features:
- Start a SSH server without password
- Auto switch WiFi, if necessary
- Display the IP on Kindle's screen
- Prevent screen shutdown during connection
- Stop the running SSH server with the power key