标签：tar sudo apt etc base ubuntu rootfs
- 下载 ubuntu-base 基础包
https://mirrors.ustc.edu.cn/ubuntu-cdimage/ubuntu-base/releases/20.04.5/release/
- 解压到目标镜像分区
tar zxpf xxx.tar.gz
cp apt source.list 到 etc/apt/source.list
echo hostname >/etc/hostname
echo nameserver ip >/etc/resolv.conf
- 进入 chroot 安装必备工具
apt install vim openssh-server netplan.io net-tools iputils-ping sudo dhcpcd5
passwd root
useradd user..
passwd user..
usermod -aG sudo
标签：tar,
sudo,
apt,
etc,
base,
ubuntu,
rootfs
From： https://www.cnblogs.com/yujian2022/p/18342107