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树莓派4B 安装ubuntu20.04系统
莫名其妙之前的树莓派进不去系统了,只能再来一遍,以此记录自己的菜嘚行为。
1.官网下载树莓派镜像烧录器(链接)
烧录完成
可以在高级设置中提前设置用户名wifi等信息,这样可以忽略后续步骤
2.设置网络
TF卡中找到network-config
version: 2
ethernets:
eth0:
dhcp4: true
optional: true
#wifis:
# wlan0:
# dhcp4: true
# optional: true
# access-points:
# myhomewifi:
# password: "S3kr1t"
# myworkwifi:
# password: "correct battery horse staple"
# workssid:
# auth:
# key-management: eap
# method: peap
# identity: "me@example"
# password: "passw0rd"
# ca-certificate: /etc/my_ca.pem
改为:
version: 2
ethernets:
eth0:
dhcp4: true
optional: true
wifis:
wlan0:
dhcp4: true
optional: true
access-points:
W: #此处更改为自身WIFI名,名字有空格需要加引号""
password: "12345678" #此处更改为自身WIFI密码,需要加引号
# myworkwifi:
# password: "correct battery horse staple"
# workssid:
# auth:
# key-management: eap
# method: peap
# identity: "me@example"
# password: "passw0rd"
# ca-certificate: /etc/my_ca.pem
3.TF卡装入树莓派打开系统
登入路由器端查看树莓派IP,并采用putty、xshell等软件远程登陆系统,第一次路由器没有树莓派的IP显示,把树莓派断电重新连接即可。
下载的系统是20.04,初始登陆账号及密码均为ubuntu,登入成功后会提示更改密码
4.矫正树莓派时间
命令行输入检查树莓派时间
date
与当前时间不同,如下更改:
sudo dpkg-reconfigure tzdata
选择亚洲时区,城市选择上海
5.换源
打开list文件全部注释掉
sudo vim /etc/apt/sources.list
树莓派是arm架构,不是x86/64,网上大多ubuntu、linux换源的都是x86/64架构的,用在树莓派上安装软件时会报错,比如找不到包等等。
源可换的较多,随意,注意是 ubuntu-ports 即可
# 默认注释了源码仓库,如有需要可自行取消注释
deb https://mirrors.ustc.edu/ubuntu-ports/ focal main restricted universe multiverse
# deb-src https://mirrors.ustc.edu/ubuntu-ports/ focal main main restricted universe multiverse
deb https://mirrors.ustc.edu/ubuntu-ports/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.ustc.edu/ubuntu-ports/ focal-updates main restricted universe multiverse
deb https://mirrors.ustc.edu/ubuntu-ports/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.ustc.edu/ubuntu-ports/ focal-backports main restricted universe multiverse
deb https://mirrors.ustc.edu/ubuntu-ports/ focal-security main restricted universe multiverse
# deb-src https://mirrors.ustc.edu/ubuntu-ports/ focal-security main restricted universe multiverse
更改完成后退出保存并更新:
sudo apt update
sudo apt upgrade
到此暂时结束。
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