树莓派 4B 安装 Ubuntu IOT 版

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硬件：Raspberry Pi 4B

系统：Ubuntu 21.04 for IOT
官网：https://ubuntu.com/download/raspberry-pi

配置步骤

1. 下载系统镜像

2. 烧录至SD卡进行系统安装

3. 系统登陆
默认账号：ubuntu
默认密码：ubuntu

4. 更换镜像源

4.1 备份 apt 源文件

sudo cp -p /etc/apt/sources.list /etc/apt/sources.list.bak

4.2 编辑 apt 源文件，更新为国内镜像源

sudo nano /etc/apt/sources.list
更新阿里源
#阿里云源
deb http://mirrors.aliyun.com/ubuntu-ports eoan main restricted
deb http://mirrors.aliyun.com/ubuntu-ports eoan-updates main restricted
deb http://mirrors.aliyun.com/ubuntu-ports eoan universe
deb http://mirrors.aliyun.com/ubuntu-ports eoan-updates universe
deb http://mirrors.aliyun.com/ubuntu-ports eoan multiverse
deb http://mirrors.aliyun.com/ubuntu-ports eoan-updates multiverse
deb http://mirrors.aliyun.com/ubuntu-ports eoan-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu-ports eoan-security main restricted
deb http://mirrors.aliyun.com/ubuntu-ports eoan-security universe
deb http://mirrors.aliyun.com/ubuntu-ports eoan-security multiverse
sudo apt-get update
sudo apt-get upgrade

5. 安装桌面环境（可选择：xubuntu-desktop、lubuntu-desktop、kubuntu-desktop）

sudo apt-get install xubuntu-desktop

6. 重启系统

sudo reboot

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