1、apt 切换为国内源

备份文件

cp /etc/apt/sources.list /etc/apt/sources.list.bak

新建配置文件并切换源地址

echo "" > /etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/debian buster main" >> /etc/apt/sources.list ;
echo "deb http://mirrors.aliyun.com/debian-security buster/updates main" >> /etc/apt/sources.list ;
echo "deb http://mirrors.aliyun.com/debian buster-updates main" >> /etc/apt/sources.list;

更新apt-get指令

apt-get update

然后就可以正常使用apt install 安装命令

2、docker使用exec -u 0 特权进入

docker exec -u 0 -it 1180dca14531 /bin/bash

Linux常用记录点_docker