摘要：
the host may be down,or there may be a problem with the network connection.Sometimes such problems can also be caused by a misconfigured firewall.遇到这样的问题可能有这几个情况:1、在安装centos的时候没安装ssh2、sshd_config与ssh_config配置问题3、IP问题4、防火墙问题一、安装CentOS SSHyum install ssh二、启动SSHservice sshd start三、进入系统文件etc/ssh/sshd_co 阅读全文
