rpm -ivh openssh-4.3p2-36.e15.rpm装完用命令whereis ssh, whereis sshd查看路径装手工启:/etc/init.d/sshd start自启:chkconfig sshd on另外记放防火墙22端口sshd默认OKtelnet安装telnet-server包修改/etc/xinetd.d/telnet 打想让roottelnet/etc/securetty修改名字重启服务