Install Raspbian Buster Lite in your Raspberry Pi

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ADVICE: From June 2020, Raspberry PI Foundation decided to fork its own Raspberry PI OS from Raspbian. This means that, from this date, the official “Raspberry PI OS Lite” can be installed with following procedure: https://peppe8o.com/install-raspberry-pi-os-lite-in-your-raspberry-pi/. All of my projects should work without issues with that new OS directly supported by Raspberry PI Foundation

Raspbian remains a free OS, supported by community. It official website is: https://www.raspbian.org.

Using Raspberry for a number of home applications is something fantastic. But Raspberry comes with a low performance hardware, so many times you could need to use as resources as possible dedicated to your applications, instead wasting them for apps that you don’t need (for example desktop environment).
Usually Raspberry kit comes with NOOBS pre-installed inside SD card, but you can also choose to install directly a minimal core and use it from your external PC by SSH.
In this guide I will show you hot to install Raspbian Buster Lite, the official Raspberry Foundation OS.

If you are interested in previous version (Stretch), please use this link.

NOTE: if you have already Raspbian Stretch Lite installed and want to upgrade, please go to Upgrade paragraph later in this article.

What do you need

HARDWARE

As usual, I suggest adding from now to your favourite ecommerce shopping chart all needed hardware, so that at the end you will be able to evaluate overall costs and decide if continuing with the project or removing them from shopping chart. So, hardware will be only:

I strongly suggest to evaluate to buy a case with cooling system (fans) if you are thinking to use your raspberry for resources intensive applications (for example cryptocurrency mining).
You also need a PC (notebook or desktop) with an SD card reader

SOFTWARE

Step-by-step guide

Following infographic summarizes main steps:

Install Raspbian Buster Lite Infographic

Download and install Etcher in your PC (if not already available).

Download Raspbian Buster Lite disk image (ZIP version) in a local folder and extract the .img file.

Insert your SD card in your PC/SD card reader.

Run Etcher in you PC.

Etcher

Click Select Image and select Raspbian disk image previously downloaded. Etcher should also have already recognised your SD card. Otherwise, click change and select correct SD card.

Install Buster Etcher

Click on “Flash! button and wait for operation to be completed.

Etcher_3

BONUS

In my case, I don’t want to use an HDMI connection to my TV in order to finalize system setup (my Raspberry will be connected only via WiFi). So, before using it and after having flashed its SD, let’s configure WiFi and SSH connection directly modifying files inside SD card.
Extract SD card and re-insert it in your PC. From your file explorer, in “This Computer” we can see 2 SD partitions:

etcher_raspbian_setup_02

We will create a connection configuration file under boot partition.
Open your notepad and paste following lines:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=«your_ISO-3166-1_two-letter_country_code»
network={
     ssid="«your_SSID»"
     psk="«your_PSK»"
     key_mgmt=WPA-PSK
}

Replace «your_ISO-3166-1_two-letter_country_code» with your ISO Country Code (such as US for United States), «your_SSID» with your wireless access point name and «your_PSK» with your wifi password.
Save this file under boot partition, naming it as “wpa_supplicant.conf”.

In addition, we will create a new file named “ssh” (without extension) under boot partition also to enable SSH in our raspberry. It is not important what is contained in this file: when Pi boots, it looks for the “ssh” file and if it is found, SSH is enabled and then the file is deleted.
So, let’s open a new Notepad window:

Notepad_Window

Go to : File -> Save as

change-default-save-location-windows7.png

Select boot partition from SD card in left column.

Insert in “File name” field value “ssh” and click “Save”. Be aware that notepad sometimes saves files adding “.txt” extension. So, control saved file and be sure that its extension is NOT included.

Extract SD card from your SD reader and insert it in your raspberry.

Final Operations

Power the Raspberry on, wait a few minutes for first boot, check its IP address in your router and connect to it from Putty (or whatever connection program you are using for ssh) using default ssh port (22).

Default user: pi
Default password: raspberry

Make the OS up-to-date:

sudo apt-get update
sudo apt-get upgrade

Enjoy your Raspbian Buster Lite!

Upgrading From Raspbian Stretch Lite (or earlier)

Before staring, I must advise you that also Raspbian Foundation doesn’t suggest a so called “upgrade on place”. This because changes that could be in your OS could impact negatively you upgrade. If you want to give it a try, I’ll show you a procedure that is a bit safer in this paragraph.

Consider that update in this way will take from half an hour to several hours, depending on your network speed.

1. Backup All Your SD Files

This is a “B plan” that you can use to have a copy of your OS status before upgrading. Use the steps 1 and 2 in Raspberry PI tricks: migrating to larger SD card with Windows.

2. Prepare Apt Source File

You must edit with your favourite text editor (for example nano) the following files:

sudo nano /etc/apt/sources.list

change every occurence of the word “stretch” to “buster”. Save and exit

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

again, change every occurence of the word “stretch” to “buster”. Save and exit

3. Upgrade Your Distro

Load new sources and apply changes by typing on terminal:

sudo apt update
sudo apt dist-upgrade

During installation progress, answer ‘yes’ to any prompt.

An information page should appear during installation. Press space key to scroll and “q” to continue.

At the end, reboot:

sudo reboot

4. Remove No More Supported Packages

Clean your installation by removing packages that are no more supported in Buster:

sudo apt purge timidity lxmusic gnome-disk-utility deluge-gtk evince wicd wicd-gtk clipit usermode gucharmap gnome-system-tools pavucontrol

At this point, your Raspbian Lite should be upgraded and clear.

Check hardware prices with following links:

Amazon raspberry pi boards box
Amazon raspberry pi Zero W box
Amazon Micro SD box

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