Code:
mysqldump -uuser -ppass wp_blog > /home/user/public_html/wordpress/db.sql; tar zxfv blog.tgz /home/user/public_html/wordpress; scp blog.tgz user@new.host:/blog.tgz; ssh user@new.host 'tar zxf blog.tgz; mysql -uuser -ppass wp_blog < /home/user/public_html/wordpress/db.sql'