I've been looking into this for days now and I am not getting any further with it and would therefore be really grateful for any tips.
I simply cannot understand why the ssh connection over WiFi works but the ssh connection over usb connects to the Kindle but then the password fails. The root@kindle password must surely be the same whichever interface I connect by.
https://www2.mobileread.com/i/smiliesadd1/help.gif