#!/bin/bash
serverlist=server1 server2 server3
for server in $serverlist ; do
    scp "$1" user@$server:/tmp/ &
done
wait

$ ssh-keygen

$ ssh-copy-id user@host

$ parallel-scp -H user1@host1 -H user2@host2 /локальный/файл /путь/на/удалённой/машине
[1] 18:40:23 [SUCCESS] user2@host2
[2] 18:40:24 [SUCCESS] user1@host1

$ sshpass -p 'пароль' scp параметры-программы-scp
$ sshpass -p 'пароль' ssh параметры-программы-ssh

#!/bin/bash

echo Test scp-expect
User=avp
PASS=XXXXXX
RDIR=/tmp
FILE=$1
if [ "X$FILE" == "X" ]; then
    echo usage: ./tscp FILE
    exit 1
fi

echo Go...
rm ~/.ssh/known_hosts

for HOST in nas
do
    expect -c "
spawn scp $FILE $User@$HOST:$RDIR
expect ".*no)? "
send "yesr"
expect ".*assword:"
send "$PASSr"
expect eof
"
done