sshpass  该软件就是为ssh提供密码使用的
yum install  sshpass  -y

批量分发脚本内容

#!/bin/bash
. /etc/rc.d/init.d/functions

# 创建密钥
\rm ~/.ssh/id_rsa* -f
ssh-keygen -t rsa -f ~/.ssh/id_rsa -N "" -q
# 分发公钥
for ip in 31 41 8
do
sshpass -p123456 ssh-copy-id -i ~/.ssh/id_rsa.pub " root@172.16.1.$ip -o StrictHostKeyChecking=no " &>/dev/null
if [ $? -eq 0 ];then
action "fenfa 172.16.1.$ip" /bin/true
else
action "fenfa 172.16.1.$ip" /bin/false
fi
echo ""