netstat -alnpt n --->去掉dns解析
ssh(远程登录服务)安装包:openssh-5.3p1-84.1.el6.x86_64.rpm配置文件: /etc/ssh/sshd_config端口:22启动服务: service sshd restart登录ssh 192.168.1.253ssh root@192.168.1.253ssh tom@192.168.1.253拷贝scp install.log 192.168.1.254:/tmp/scp -r /boot 192.168.1.254:/tmpscp 192.168.1.254:/etc/man.config /tmp/修改端口vim /etc/ssh/sshd_configPort 12345ssh 192.168.1.254 -p 12345scp -P 12345 192.168.1.254:/etc/man.config /tmpwall信息ctrl+dwrite root /dev/pts/0netstat -anpltkill pid远程执行命令ssh -p 12345 root@192.168.1.254 命令