https://blog.wongcw.com/2021/01/12/%e7%89%9b%e4%ba%ba%e6%88%90%e5%8a%9f%e8%ae%93iphone-7%e5%bc%95%e5%b0%8e%e9%81%8b%e8%a1%8cubuntu-20-04%e7%b3%bb%e7%b5%b1/