[root@database2 ~]# cat ssh.sh if [ ! $# -eq 2 ] ;then echo "请输入用户密码以空格分开" exit else ssh-keygen -t rsa #用户名 uname="$1" #密码 passwd="$2" fi #执行检测并安装expect模块 ep=`rpm -qa | grep expect` if [ -z $ep ] ; then echo "检测到你的系统,没有安装expect模块,准备执行安装" sleep 2 yum install -y expect else echo "已经安装expect模块,3秒后,开始执行ssh文件同步" sleep 3 fi #公钥无ssh认证模块 cat hosts | while read host do echo "当前正在向$host上传输ssh文件" expect <<EOF spawn scp -P 9998 -r .ssh/ $host:/$uname expect { "*yes/no" {send "yes " ;exp_continue} "*password:" {send "$passwd " ;exp_continue } } EOF echo "当前正在$host上进行公钥认证....." sleep 2 expect <<EOF spawn ssh-copy-id -i .ssh/id_rsa.pub "-p 9998 $uname@$host" expect { "*yes/no" {send "yes " ;exp_continue} "*password:" {send "$passwd " ;exp_continue } } EOF echo "认证成功...." done #切换root权限进行hosts文件分发 echo "同步本机的hosts文件到各个机器上" sleep 1 #同步本机的hosts文件到其他各个机器上