Raspberry Pi Stack Exchange
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1500 questions
21
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5 answers

Emulating raspbian with QEMU

I'm trying to emulate raspbian on QEMU and there're plenty of guides available on internet. However, every guide points to download qemu-linux kernel from link https://xecdesign.com/downloads/linux-qemu/kernel-qemu however, this link is dead and I…
dhruvvyas90
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5 answers

Raspberry Pi Raspbian Multiple Desktops

I am aware that in many linux distributions you can setup multiple desktops or workspaces as a way of organization. I do not mean separate user accounts but one user account with multiple desktops. Is this possible in raspbian and if so how would I…
NULL
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How is Raspberry Pi "open source" if it uses ARM?

All I've ever heard about Raspberry Pi is that its an "open source" SoC. But I see that the CPU inside the BroadCom SoC is an ARM chip. My understanding of open source hardware is that every single hardware component on it has to be open source in…
smeeb
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21
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4 answers

Current draw for +/2/3/0 models

Essentially "What's the current draw and supply voltage tolerance?" but for newer models.
Alexander M
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21
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3 answers

Building a waterproof case

I'm tempted to use the Pi for controlling an autonomous robot that could be subjected to harsh conditions - mud, water, the lot. (It's theoretical at this point, but the concept remains the same!) Because of this I'd either like to build or buy…
berry120
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21
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2 answers

apt-get update and upgrade says "packages have been kept back"

I ran an update and an upgrade (apt-get update and apt-get upgrade) and I get the following message: The following packages have been kept back: alsa-base scratch What do I do to get these upgrades?
Cade Roux
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21
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4 answers

How accurate is Raspberry Pi's timekeeping?

I realize that since Raspberry Pi doesn't have a hardware real-time clock built in, some issues with accurate timekeeping may present themselves, even when persistence across reboots is not a requirement. This can largely be mitigated by running a…
user13
21
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5 answers

Can I install Ubuntu?

To my understanding, the Raspberry Pi supports Debian. Has anyone had any success running Ubuntu on it?
Oliver Salzburg
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21
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12 answers

Setting up SSH over internet on my Pi

This might be a simple question, but as I have read contradicting information from several resources (what? contradictions on the internet?) I wanted to know if I did everything I was supposed to. So I want to set up a SSH connection to my RasPi so…
Zeta
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21
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4 answers

Easiest way to return to a known good state when overclocking

If I try to overclock my Pi, I want to go up to the point where the Pi won't boot anymore, or won't be stable enough. At this point, I want to come back to the latest known good settings for the /boot/config.txt file. How can I do this easily? Do…
Xavier Nodet
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21
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8 answers

Read a file from the Raspberry Pi's SD card with Windows

I have a couple of files on the Raspberry Pi's file system that I need to get. I have the Pi's SD card and an SD card reader. How can I read files off my Raspberry Pi's SD Card on a Windows PC?
Dvidunis
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21
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6 answers

Green LED blinks 4 times, did I brick my Pi?

Out of nowhere my pi stopped booting. The red led lights up, they a long flash of the green led and then a cycle of 4 green blinks. HDMI screen shows nothing. I tried this with two different SD cards, the seconds one is brand new, flashed with…
shoosh
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20
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1 answer

How to setup the Raspberry Pi 3 onboard WiFi for Ubuntu Server 18.04 with netplan?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? This is a clean install of the Ubuntu Server 18.04 image for Raspberry Pi 3. File: ubuntu-18.04.2-preinstalled-server-arm64+raspi3.img.xz. The…
marc-medley
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20
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1 answer

Bad keyboard bouncing with Dell keyboard

I've tried several Dell keyboards with the Pi, and all the ones I've tried (they're definitely not faulty, work fine elsewhere) "bounce" horribly - that is every so often it doesn't seem to detect I've released a key and will thus act like the key…
berry120
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2 answers

How to permanently disable swap on Raspbian Stretch Lite

I'm at my wit's end; it seems there's no way to tell Raspbian Stretch Lite to permanently disable swap space. Now, it's a bit of an edge case, wanting to keep swap turned off (in this case it's for a Kubernetes cluster, so kubectl doesn't complain…
geerlingguy
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