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Questions tagged [raspberrypi]

A very-small, single-board computer. Use this tag only for questions about interoperability between Raspberry Pi and Ubuntu; general questions about Raspberry Pi belong on raspberrypi.stackexchange.com.

The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. It’s a capable little PC which can be used for many of the things that your desktop PC does, like spreadsheets, word-processing and games. It also plays high-definition video. We want to see it being used by kids all over the world to learn programming.

The Raspberry Pi 3 Model B+ is the ... (previous) product in the Raspberry Pi 3 range, boasting a 64-bit quad core processor running at 1.4GHz, dual-band 2.4GHz and 5GHz wireless LAN, Bluetooth 4.2/BLE, faster Ethernet, and PoE capability via a separate PoE HAT

Raspberry Pi 4 Model B key features include a high-performance 64-bit quad-core processor, dual-display support at resolutions up to 4K via a pair of micro-HDMI ports, hardware video decode at up to 4Kp60, up to 8GB of RAM, dual-band 2.4/5.0 GHz wireless LAN, Bluetooth 5.0, Gigabit Ethernet, USB 3.0, and PoE capability (via a separate PoE HAT add-on).

Source: Raspberry Pi

Use this tag only for questions about interoperability between Raspberry Pi and Ubuntu; general questions about Raspberry Pi belong on Raspberry Pi Stack Exchange.

1260 questions
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How can I burn a Raspberry Pi image to SD card from Ubuntu?

I'm sure this must be fairly simple but can't find it here. How does one go from having a blank SD card to having an SD card that boots a Raspi?
Oli
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3 answers

How to cross compile for ARM?

How do I set up GCC for cross compiling for the ARM processor? The host would be on x86_64 ( AMD64 - Ubuntu 12.04 ) and the target would be ARM (Raspberry Pi as well as Pandaboard - will do separate compilations for each)?
haziz
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6 answers

Can a Raspberry Pi run Ubuntu?

I was thinking about buying a Raspberry Pi, and running Ubuntu on it. I have looked around the web, and a lot of stuff says that it's difficult for it to work on ARM processors. Has anyone figured out how to get a Raspberry pi to run Ubuntu?
Jordan
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62
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2 answers

Does Ubuntu work on a Raspberry Pi Zero v1?

A new super-cheap version of the Raspberry Pi was recently announced. I'd like to stuff these all over my house doing cool nonsense. My question is, will I be able to use Ubuntu on them?
Oli
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51
votes
4 answers

apt update throws signature error in Ubuntu 20.04 container on arm

I am trying to build Raspberry Pi docker images but I am always having the same error, similar to this one, this one and this one. While running the command apt update as root in a arm32v7/ubuntu:20.04 (or just ubuntu:latest), I get the following…
TSpark
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38
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2 answers

How do I remove an incomplete or broken snap installation of nextcloud on a Raspberry Pi?

First the caveat: I understand that this question involves Mate and a Raspberry Pi so if you consider it outside the realm of this forum just ignore it. But on the chance that it may be helpful or typical of something involving snaps or that…
Dennis
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32
votes
2 answers

Ubuntu server default password using Raspberry Pi image?

I've just installed Ubuntu Server on my Raspberry Pi 2 B and the download page says that the default username and password are both "ubuntu", but the system says that the password is incorrect. What's wrong?
Gianmarco
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26
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3 answers

Files in /etc/network/interfaces.d ignored, but not /etc/network/interfaces itself

For Ubuntu 16.04 LTS (GNU/Linux 3.10.96-113 armv7l) When I have the following, my static configuration is ignored: /etc/network/interfaces source-directory /etc/network/interfaces.d /etc/network/interfaces.d/eth0 auto eth0 iface eth0 inet static …
Luis de Arquer
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25
votes
7 answers

How do I use an .img.xz file or get an .img file from it?

I have a file with an xz extension, ubuntu-19.10-preinstalled-server-arm64+raspi3.img.xz. How do you get the .img out of it? My goal is to flash the file on an SD card. I want to use www.etcher.io I finally got it to work, but etcher will only…
BJsgoodlife
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5 answers

How to use onboard wifi on Raspberry Pi 3 with Ubuntu Server 16.04?

I have a Raspberry Pi 3 and I need to run Ubuntu on it. I put the 16.04 server image for the Raspberry Pi 3 from https://wiki.ubuntu.com/ARM/RaspberryPi on a microSD card and it boots fine, and works fine when connected to Ethernet. However, I…
Zach
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17
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1 answer

"Failed to check for processor microcode upgrades" at the end of apt-get. How can I fix this?

I am using Ubuntu 21.04 Server on Raspberry Pi 4 (4GB RAM) When I use apt to install a package, I get some messages at the end that I don't remember getting on my PC: Processing triggers for man-db (2.9.4-2) ... Scanning processes... Scanning…
C--
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17
votes
3 answers

How to setup of Raspberry Pi 3 onboard WiFi for Ubuntu Server with 'netplan'?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? Existing answers, such as "How to use onboard wifi on Raspberry Pi 3 with Ubuntu Server 16.04?", no longer seem to apply since…
marc-medley
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16
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3 answers

Is there a way for MaaS to Commission a Raspberry Pi 3B?

I have a small lab (literally) of 3 RBP-3B units with SATA and SD drives attached running Ubuntu 16.04 LTS. I have installed software on them to create a Ceph cluster but its tricky and pretty fragile. Ultimately I would like to administer this…
spyderdyne
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15
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3 answers

How to install Ubuntu on the Raspberry Pi 3?

What's the best way to install Ubuntu on a Raspberry Pi 3? I'm finding a few inconsistent links and guides. I first found this page, and I installed the ubuntu-16.04-preinstalled-server-armhf+raspi3.img.xz image, but I found it to be too unstable to…
Cerin
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15
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1 answer

What is Snapcraft?

I've been trying snappy Ubuntu core on a Raspberry Pi 2 device, and I've heard I can use Snapcraft to do development on it. Now I hear that snaps are available on the desktop and server for Ubuntu 16.04 and other distros. What is Snapcraft and how…
David Planella
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