Tutorial link:
https://blog.csdn.net/weixin_47956540/article/details/108170326?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522161219121816780299010513%2522%252C%2522scm%2522%253A%252220140713.130102334...%2522% 161219121816780299010513&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2 all sobaiduend~default-1-108170326.pc_search_result_no_baidu_js&utm_term=ubuntu20.4 installation tutorial&spm=1018.2226.3001.4187