在/usr/local/bin 目录下
#!/bin/bashuser=`whoami`
passwd=000000#yum install -y sshpass
echo "开始配置免密登录......"for((current=102; current<=104; current++));dofor((host=102; host<=104; host++));dosshpass -p $passwd ssh -q -o StrictHostKeyChecking=no $user@hadoop$current "sshpass -p $passwd ssh-copy-id -o StrictHostKeyChecking=no $user@hadoop$host"done
done
echo "恭喜, 免密登录配置完成!"