OpenSSH is unable to connect to a legacy algorithm. Run the following command to get round it:

ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 x.x.x.x

Written by Matt Cooper
Hi, I'm Matt Cooper. I started this blog to pretty much act as a brain dump area for things I learn from day to day. You can contact me at: matt@linuxtutorial.co.uk.