/etc/cron.daily/duplicity-backup: ssh: Exception: Incompatible ssh peer (no acceptable kex algorithm) ssh: Traceback (most recent call last): ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1546, in run ssh: self._handler_table[ptype](self, m) ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1618, in _negotiate_keys ssh: self._parse_kex_init(m) ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1731, in _parse_kex_init ssh: raise SSHException('Incompatible ssh peer (no acceptable kex algorithm)') ssh: SSHException: Incompatible ssh peer (no acceptable kex algorithm) ssh: BackendException: ssh connection to 138.231.142.239:22 failed: Incompatible ssh peer (no acceptable kex algorithm) ssh: Exception: Incompatible ssh peer (no acceptable kex algorithm) ssh: Traceback (most recent call last): ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1546, in run ssh: self._handler_table[ptype](self, m) ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1618, in _negotiate_keys ssh: self._parse_kex_init(m) ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line 1731, in _parse_kex_init ssh: raise SSHException('Incompatible ssh peer (no acceptable kex algorithm)') ssh: SSHException: Incompatible ssh peer (no acceptable kex algorithm) ssh: BackendException: ssh connection to 138.231.142.239:22 failed: Incompatible ssh peer (no acceptable kex algorithm)