https://blog.wongcw.com/2021/09/21/canonical%e5%b0%87ubuntu-14-04-16-04-lts%e6%94%af%e6%8f%b4%e6%9c%9f%e5%bb%b6%e9%95%b7%e8%87%b3%e5%8d%81%e5%b9%b4/
Canonical將Ubuntu 14.04/16.04 LTS支援期延長至十年