互信脚本使用

yum install -y expect
ssh-keygen -t rsa -P "" -f /root/.ssh/id_rsa
export mypass=123456
 name=(node1 node2 node3 node4)
for i in ${name[@]};do
expect -c "
spawn ssh-copy-id -i /root/.ssh/id_rsa.pub root@$i
  expect {
    "*yes/no*" {send "yesr"; exp_continue}
    "*password*" {send "$mypassr"; exp_continue}
    "*Password*" {send "$mypassr";}
  }"
done