树莓派3 B+ / ubuntu-18.04.2 设置 wifi

栏目: 软件资讯 · 发布时间: 7年前

内容简介:首先按照网上的教程,给microSD卡format, 然后把ubuntu镜像拷上去。开机,初始化系统然后连一根网线

首先按照网上的教程,给microSD卡format, 然后把ubuntu镜像拷上去。

开机,初始化系统

然后连一根网线

然后:

For the image with apt installed

Step1:

sudo apt-get install wireless-tools

Step2:

sudo apt-get install wpasupplicant

Step3: add to /etc/network/interfaces :

auto wlan0 
iface wlan0 inet dhcp
wpa-ssid WIRELESSSSID 
wpa-psk WIRELESSPASSWORD

Step4: comment from /etc/network/interfaces the line:

#source /etc/network/interfaces.d/*.cfg

the commented interfaces.d/*.cfg file contains settings for the eth0.

I do not understand why but leaving this line active and adding the wlan0 config would crash the system at boot.

Step5: reboot

For the core image without apt installed:

Step1:

ifconfig wlan0 down
ifconfig wlan0 up

Step2: create wireless config file:

sudo vi /etc/network/interfaces.d/wlan0

Note: I tried without sudo but it would not let me save the changes

Step3: add the following content

auto wlan0 
iface wlan0 inet dhcp
wpa-ssid WIRELESSSSID 
wpa-psk WIRELESSPASSWORD

Step4: reboot

其实都不需要reboot, 只要重启网卡即可:

sudo systemctl restart networking
sudo ifdown wlan0
sudo ifup wlan0
wpa_cli status

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,也希望大家多多支持 码农网

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