Password autorization via SSH utility

password_ssh.sh

sudo apt-get install sshpass

# $1: 1st command-line param, password
# $2: 2nd command-line param, username
# $3: 3rd command-line param, rsync source path
# $4: 4th command-line param, rsync destination path

/usr/bin/rsync -ratlz --rsh="/usr/bin/sshpass -p $1 ssh -o StrictHostKeyChecking=no -l $2" $3 $4

# Alternatively, you can avoid the password prompt on rsync command 
# by setting the environment variable RSYNC_PASSWORD to the password
# or using the --password-file option