[root@dyw219 ~]# ssh kvm7.deyu.wang Read from socket failed: Connection reset by peer
[root@kvm7 ~]# ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' [root@kvm7 ~]# ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ''
[root@dyw219 ~]# sed -i '/kvm7/d' .ssh/known_hosts
[root@dyw219 ~]# ssh kvm7.deyu.wang Warning: Permanently added 'kvm7.deyu.wang,192.168.122.7' (RSA) to the list of known hosts. root@kvm7.deyu.wang's password: Last login: Tue Sep 22 13:10:21 2015 from dynamic5.deyu.wang