Try removing ~/.ssh/known_hosts. This should make you type in "yes" to save the verification key for every machine name/IP you try to access again, but oh well. You could also just find the line in ...

The hosts file (/etc/hosts on Unix based system) is the first step in the translation of a FQDN hostname to the IP address format. When making a DNS request on any address server on the web, this file ...

A text file in a TCP/IP network that specifies the IP addresses of computer names and domain names. It is used to convert a request by name to a numeric IP address on the local network or the Internet ...