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标题：expect 免交互配置互信
时间：2020年3月3日
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#/usr/bin/env expect
set ip 192.168.100.100
set user root
set password centos
set timeout 5
spawn ssh-copy-id "${user}@${ip} -p 2222"
expect {
"yes/no" { send "yes\r" ; exp_continue }
"password" { send "${password}\r" }
}
expect eof