The Fool-Proof Information to Upgrading Raspberry Pi from Buster to Bullseye

Illustration: © IoT For All

A couple of months in the past, I loved a really conventional Thanksgiving at dwelling: I spent the day avoiding my prolonged household and proceeded to improve my dwelling computer systems to their newest OS variations!

Whereas migrating to macOS 12 Monterey and Windows 11 have been comparatively painless point-and-click procedures, upgrading my Raspberry Pi 4 Mannequin B single-board laptop from the Buster launch to Bullseye concerned a couple of additional steps. I’ll admit the issue of this course of was exacerbated by the truth that I wished to carry out an in-place improve to take care of all beforehand put in packages and saved recordsdata.

A New Raspberry Pi OS?

You heard that proper, a brand new model of Raspberry Pi OS (codenamed Bullseye) was launched. It’s based mostly upon Debian 11, and with the right {hardware}, can present a big pace increase with particular duties. There are quite a few updates and enhancements to be present in Bullseye, not the least of which embody:

  • An up to date PiCamera driver (which would require re-writing your code BTW);
  • Changing GTK+2 with GTK+3 to offer an improved GUI;
  • Utilizing Mutter as an alternative of Openbox for window administration (in case your Pi has >= 2GB of RAM);
  • A recent new notification supervisor within the taskbar;
  • A greater updating expertise for put in packages;
  • An replace to the Chromium browser (v92), which helps hardware-accelerated video playback.

For an entire checklist of Raspberry Pi Bullseye updates, consult this article from the folks at Raspberry Pi.

This new launch of Raspberry Pi OS does technically work with any Raspberry Pi SBC (sure, together with the Raspberry Pi Zero). Nonetheless, except you want options from Bullseye particularly, you may wish to keep in your present launch. Homeowners of a “4.x” Raspberry Pi (e.g., the Raspberry Pi 4Compute Module 4, or the Raspberry Pi 400) will probably select to improve regardless.

Upgrading Caveats

Earlier than you start, I can’t stress sufficient that one of the best, and admittedly most supported, approach to improve to Bullseye is to backup your whole crucial recordsdata and carry out a clear set up utilizing the Raspberry Pi Imager; nonetheless, in the event you’re like me and select to dwell dangerously, make sure you again up your recordsdata any method and buckle up for the experience.

Please remember that the next course of will not be formally supported AND could briefly disable Wi-Fi (see the notice beneath) or result in different unintended points. Backup any crucial recordsdata in your RPi earlier than continuing!

Step-by-Step Set up of Bullseye

Disclaimers apart (did you learn the warning above?), here's a step-by-step set of steps so that you can improve from Buster to Bullseye by way of the Raspberry Pi terminal.

  1. Open your Raspberry Pi terminal and replace the repository lists:

2. Set up the entire newest packages (and their dependencies):

3. Reboot your Pi to activate any packages that require a reboot:

4. Non-compulsory in the event you wish to dwell on the sting! Replace to the most recent model of the Raspberry Pi firmware:

One other reboot could also be needed after updating your firmware.

  1. Subsequent, edit your sources.checklist file to modify your repository checklist from Buster to Bullseye:

Find the next line and alter buster to bullseye:

Save your modifications and proceed to the following step.

  1. Replace your repository lists once more (this time it is going to be utilizing the Bullseye-specific repositories):

7. Set up the most recent model of Node.js (this helps keep away from an error chances are you'll obtain when operating apt full-upgrade in step 9). This step could take a number of minutes.

Be aware that you could be obtain a immediate to “Restart providers throughout package deal upgrades with out asking.” If that's the case, select “Sure.”

  1. Replace to the most recent model of GCC 8 (this additionally helps keep away from an error within the subsequent step).

9. Run one other full improve to put in any extra Bullseye necessities and downstream dependencies:

NOTE: It’s at this level your Wi-Fi could exit! We’ll repair that in a bit.

  1. Clear up your packages to take away any which can be out of date or not used:

11. Subsequent, you could alter your /boot/config.txt file to allow KMS (the brand new normal video driver). That is achieved by default with a clear set up, however our improve course of requires this alteration to be carried out manually. Because of Linux Uprising for this tip!

12. Once you’re all achieved, reboot your Pi:

13. After a reboot, verify to see if every thing was correctly up to date:

This could return the next:

Wi-Fi Not Working?

To reclaim your Wi-Fi, go to “Preferences” –> “Connman Settings” –> “Wi-fi” after which click on on the SSID to which you wish to join. You may additionally wish to click on the ⚙️ icon subsequent to the SSID and allow “auto-connect”.

If any wi-fi or community panels are lacking from the taskbar, you may auto-connect these by right-clicking on the taskbar, selecting “Add/Take away Panel Objects”, then including the suitable panels.

If these ideas didn’t work, seek the advice of some discussion board threads here and here which will assist.

Nice Success…?

It ought to be acknowledged once more right here, on the finish while you’ve already made the error of performing an in-place improve that this course of will not be formally supported by Raspberry Pi. Somewhat the supported improve path is a clear set up of Bullseye utilizing the Raspberry Pi Imager.

When you’re right here, in the event you’re interested by including wi-fi mobile capabilities to your Raspberry Pi, take a look at the Notecard and get 10 years and 500 MB of mobile information utilizing the Raspberry Pi starter kit!

Glad Hacking on the Pi!

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