linux ssh tunnel mysql workbench -

i can not connect database because workbench keep saying not connect ssh tunnel check log file

11:49:45 [inf][     ssh tunnel]: existing ssh tunnel not found, opening  new 1 11:49:47 [inf][     ssh tunnel]: opening ssh tunnel x.x.x.x 11:49:47 [err][   sshtunnel.py]: traceback (most recent call last): file "/usr/share/mysql-workbench/sshtunnel.py", line 231, in _connect_ssh look_for_keys=has_key, allow_agent=has_key) file "/usr/lib/python2.7/dist-packages/paramiko/client.py", line 306, in connect t.start_client() file "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 465, in start_client raise e sshexception: incompatible ssh peer (no acceptable kex algorithm) 11:49:47 [err][     ssh tunnel]: authentication error opening ssh tunnel: authentication error, unhandled exception caught in tunnel manager, please refer logs details 11:49:48 [inf][      wbcontext]: connection ovs cancelled user: tunnel connection cancelled 

i can connect remote host in terminal using key not in workbench. other people connect use pageant tried looking pageant linux , no luck.

i runnning linux mint 17.3 64 bit

pageant windows. use seahorse or keychain linux:
http://www.debianadmin.com/ssh-key-authentication-using-seahorse-gui.html
http://pwet.fr/man/linux/commandes/keychain