阿里云源 https://developer.aliyun.com/mirror/ubuntu-ports?spm=a2c6h.13651104.d-1008.3.71414763blCksm deb https://mirrors.aliyun.com/ubuntu-ports/ focal main restricted universe multiversedeb-src https:/
sudo nano /etc/apt/sources.list 如下内容直接替换 deb https://mirrors.aliyun.com/ubuntu-ports/ mantic main restricted universe multiversedeb-src https://mirrors.aliyun.com/ubuntu-ports/ mantic main restricte
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak #备份sudo vim /etc/apt/sources.list #修改sudo apt-get update #更新列表 阿里云源 deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe mu