Raspberry pie record (for memo query)

Posted by ihsreal on Wed, 05 Jan 2022 13:11:54 +0100

Pico | raspberry pie Laboratory (nxez.com) Download the desired image

The website is still very good, and there are some tutorials to facilitate query and learning

Relevant tools are provided on the page, which can be downloaded easily. Of course, I still use the old tools, which are easy to use. I don't want to change hhh

First, find an sd card larger than 8G. Here we recommend a 16 or 32G card. Generally, this card looks like 1G a dollar. It's almost the same. It's basically no problem to use.

Format the card using the sd # card # formatter tool

Burn the downloaded image using the balenaEtcher tool

Preparation for setting vnc remote login

Open the boot folder on the computer and the sd card will appear after burning

New file (no suffix)

ssh

Create a new wifi setting file. You can select your own hotspot or router. The file name is as follows

wpa_supplicant.conf

Edit the network configuration. See the Chinese section below for details

country=CN
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
 ssid="WiFi name" 
 psk="password" 
 priority=1 
}
 
network={
 ssid="the second WiFi name"
 psk="Second password" 
 priority=2 The higher the number, the higher the priority, and the connection priority
}

ssh login for basic settings

Scan tool found raspberry pie

Sorry, there are two here. Just find the one we need

Enter the account and password to log in

Default account and password of official system

pi
raspberry

Next, configure vnc

sudo raspi-config

Right click here to copy

Option 3

Press Tab to enter the selection and return button below

Select the vnc option and enable it, and then exit

Remote login using vnc

vnc create a new connection

Still, you can connect by entering the ip address, and then you can enter the password to enter the desktop.

Then we change the source, which is a necessary operation. Changing the software source is convenient for us to use other functions normally

To change the source of raspberry pie, you need to replace the software source and system source. The first step is to back up these two sources (you can skip them and generally won't use them again)

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo cp /etc/apt/sources.list.d/raspi.list /etc/apt/sources.list.d/raspi.list.bak

Then update the software source and enter (as is the vim editor)

sudo nano /etc/apt/sources.list

Use # notes to the original content and replace with the following

deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main non-free contrib
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ buster main non-free contrib

Then press ctrl+x and y save to exit

Update system source, enter

sudo nano /etc/apt/sources.list.d/raspi.list

Use # notes to the original content and replace with the following

deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/debian/ stretch main ui

Then press ctrl+x and y save to exit

Later update

sudo apt-get update
sudo apt-get upgrade

Wait until the final update is complete

Let's set the static ip address

Because we may often have to change locations to use raspberry pie, such as dormitory use, laboratory use, sometimes mobile phone hotspots, and sometimes other routers, which will lead to our raspberry pie ip address is not fixed, so it is very troublesome to modify it every time. Therefore, I suggest using fixed ip here. Here are some of my learning records.

Enter, check the hotspots we set before, and add the possible wifi and password

sudo nano /etc/wpa_supplicant/wpa_supplicant.conf

Enter after exit

sudo nano /etc/network/interfaces

The following content is added later, which probably means to log in automatically using the previous WIFI password

auto lo
iface lo inet loopback

iface eth0 inet manual

allow-hotplug wlan0
iface wlan0 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

allow-hotplug wlan1
iface wlan1 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

As shown in the figure below

Enter after

sudo nano /etc/dhcpcd.conf

Add the following code at the end

interface wlan0
arping 192.168.0.1


profile 192.168.0.1
static ip_address=192.168.0.55/24
static routers=192.168.0.1
static domain_name_servers=114.114.114.114

It can be seen that when connecting 192.168.0.1, our ip address is 192.168.0.55

Restart and try to see if there is any change. Enter