1. 公司内网安装wsl，无法使用微软商店， 需要手动安装 ubuntu1804

    • 参考内容： https://blog.csdn.net/mr_black_man/article/details/102832000
    • 离线安装包地址： https://gist.github.com/netnr/bc203fe06313691e0432054fdbd6c768
    • 下载后， zip格式解压， 直接运行 ubuntu.exe安装
  2. apt install nodejs 报 unable to locate package nodejs
    • 无法定位安装包，需要更新软件源
  3. 执行apt update报错, Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
    • 测试可用： 修改更新源(vim /etc/apt/sources.list)， http源 改为 https源。 参考：https://www.cnblogs.com/ssxblog/p/11357126.html 
        ##中科大源
  deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
  deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
  deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
  deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
  deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
  deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
  deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
  deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
  deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
  deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
    • 设置apt proxy， 测试无效果
  4. 最后，apt update, apt upgrade, apt install nodejs， 完毕