No package gcc available. ubuntu

 

https://blog.csdn.net/jegbrother/article/details/94192621

https://blog.csdn.net/user2025/article/details/107733068

https://blog.csdn.net/qq_44667165/article/details/108546589

输入命令：sudo apt-get update

問題：

Could not resolve host: mirrors.tencentyun.com

解決：

Ubuntu服务器配置镜像源

sudo etc/apt/source.list

刪掉騰訊鏡像的部分

保存文件

sudo apt-get update（更新緩存