# cat /etc/apt/sources.list
deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch main
deb-src http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch main
deb http://security.debian.org/debian-security stretch/updates main
deb-src http://security.debian.org/debian-security stretch/updates main
deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch-updates main
deb-src http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch-updates main

# apt update

2、安裝常用包

# apt install -y bash-completion vim sudo wget

查找某個命令所在的軟件包裏

# apt install apt-file
# apt update
# apt-file search bin/ifconfig
net-tools: /sbin/ifconfig
# apt install -y net-tools

debian 記1