I am installing cygwin sshd on my PC and using RPI to test it. I had to uninstall and re-install cygwin due to a mistake I made. I had reached my PC thru ssh before I re-installed. Now the RPI sees a different RSA key and will not let me login to the PC. How can I get the key corrected or remove keys and start over learning the key from PC sshd server? I hope I was clear enough, but maybe not. I have no Linux experience yet. Thanks for any help. Be glad to clarify problem if asked. Looks like there are quite a few ways to handle ssh security [ confusing to newbies].
Five RPIs: 2:256 & 2:512 and an RPI3 used for monitor and control in out buildings of farm (embedded controls). Linux/Python novice. Experienced real-time programmer/hardware/systems designer (asm, C, C++).