在VMware安装一个CentOS的Sever版，终端里的内容不可滚动，不方便。在win下远程登录不错（win下有个Xshell）。默认安装ssh是有的。只是hosts访问问题。
1.在hosts.deny文件尾添加sshd:ALL
意思是拒绝所有访问请求
[root@localhost ~]# vi /etc/hosts.deny
修改后看起来如下：
#
# hosts.deny This file describes the names of the hosts which are
# *not* allowed to use the local INET services, as decided
# by the '/usr/sbin/tcpd' server.
#
# The portmap line