Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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1500 questions
9
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3 answers

Are there any emulators that run without X on the Raspberry Pi?

Are there any emulators that run on the Pi without X? If not, is there a specifically light-weight window manager that would be good with video game emulator?
Pale2Hall
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9
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1 answer

Hard-float and performance

Ever since the official Raspbian image came out, there has been much talking about hard-float - often cited as one of the most prominent Raspbian features, promising "tremendous performance boost". I realize that floating point operations performed…
user13
9
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4 answers

Will Raspberry Pi OS update `sudo` to address a recent security vulnerability?

There has been some traffic online this year regarding an apparently substantial vulnerability in sudo that allows unauthorized privilege elevation - CVE-2021-3156. I've been checking sudo --version since I first heard of this, but after tonight's…
Seamus
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3 answers

Can you make a high-power NAS from a Raspberry Pi?

I am completely new to Raspberry Pi, and don't know a lot about it. My knowledge on hardware, software and programming (except for basic Python) is also very limited. However, I read you can make a NAS out of a Raspberry Pi. I browsed through some…
JNat
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3 answers

Controlling Raspberry Pi GPIO with c and Python

I was searching for C and Python Libraries which support Pi4.
Milliways
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1 answer

How do I bit bang I²C master?

I've installed RPi.GPIO. It doesn't support I²C yet, but can I use it to bit bang I²C? I would just need the Raspberry Pi to be the master.
John La Rooy
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9
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1 answer

What tailored OS distributions exist?

Is there already a specific tailored distribution for the Raspberry Pi? My specific concern is about the lifetime of the SD card hosting the OS image. Other distro addressed that like, for instance, Voyage Linux for the Alix board.
ziu
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2 answers

Issues installing RTL8812BU WIFI driver on Raspberry Pi 4 B

Recently, I bought a USB3 WiFi adapter with the RTL8812BU chip (Supports Linux). I have spent 5 hours so far trying to install the Linux driver for the chip on my Raspberry Pi 4. Apparently, I am not able to do this on my own so I hope that you guys…
Stefan R.
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3 answers

Are all of the devices the same?

I just saw a picture of a Pi on the Element 14 website, and noticed some of the components are different colours and shapes to my Pi, (which was from E14). The colour of the RCA plug (Mine is black, not blue) Colour of the Audio jack (Mine yellow,…
ACarter
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What causes Raspberry Pi to reliably drop SSH connections: `client_loop: send disconnect: Broken pipe`

The Issue: SSH connections from a Macbook (Catalina - the SSH Client) to an RPi 4B (Buster, Linux v 4.19.97-v7l+ - the SSH Server) are reliably dropped at random times, but SSH connections from the same Macbook to an Ubuntu Server (18.04 LTS -…
Seamus
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9
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3 answers

How to install Nodejs v12 on Raspi Zero (ARMv6 not available for download anymore)?

I used to install nodejs12 on Raspbian by simply adding the repo and using apt: sudo su curl -sL https://deb.nodesource.com/setup_12.x | bash - apt install -y nodejs But with a fresh install of Raspbian Buster I just got this message when adding…
kramer65
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Pi 4B Won't boot without HDMI cable plugged to Monitor

I am a beginner with Pi. I got a Pi4 with 4GB ram and Rasbian Full Desktop installed, SenseHAT attached as well. I did the wpa_wifi config file and it works fine, will connect to WIFI with Monitor attached. When I try to boot Pi4 without HDMI…
Yitasha
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5 answers

How to add multiple RJ45 ports to Raspberry Pi 4 to turn it into a switch?

I am building a little network lab. I want to turn one of my Raspberry Pi 4 into a switch. I already have a network manufacturer docker image to run on it. Still, I have only one RJ45 port. How to add more? (at least 3). I read that it wasn't…
Gane D. Geoffrey
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9
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4 answers

Performance differences running Raspbian from USB flash drive versus SD card

I want to run Raspbian from a USB flash drive on a Raspberry Pi 3B+. What would be the performance difference in doing so, as compared to running Raspbian from an SD card?
MC Naveen
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9
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2 answers

How can I cross-compile to the Raspberry Pi using Clang/LLVM?

I would like to cross-compile C-family languages (C, C++, Objective-C, and Objective-C++) to the Raspberry Pi using Clang and LLVM on a build computer of a different architecture. How may I do this?
fouric
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