SSH Error “no matching key exchange method found. Their offer: diffie-hellman-group1-sha1” when connecting to Cisco ASA
Add the following lines to either the /etc/ssh/ssh_config file or the ~/.ssh/config file Host x.x.x.x KexAlgorithms +diffie-hellman-group1-sha1 Ciphers +aes128-cbc replace x.x.x.x with the ip address or the FQDN of the host you are connecting to.