https://blog.wongcw.com/2022/08/23/%e5%85%a8%e5%bf%97nezha-risc-v%e9%96%8b%e7%99%bc%e6%9d%bf%e8%bf%8e%e4%be%86ubuntu-22-04-1-lts%e7%a7%bb%e6%a4%8d%e6%94%af%e6%8c%81/