raspberry-pi4 Questions

6

I want to emulate Raspberry Pi 4 using QEMU, but I am not able to find any image for RPi4. I need a kernel with which QEMU can emulate a Cortex-A72.
Limicolous asked 11/4, 2021 at 13:18

6

Solved

I am trying to log into my Raspberry Pi using PuTTY from Windows. However, whenever I try to log into my Raspberry Pi using the default username and password (pi* and raspberry) it says Access Deni...
Danedanegeld asked 9/4, 2022 at 0:47

5

When I've tried to execute my C++ demo app on RPI CM4, app that was cross compiled on Ubuntu OS: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LT...
Campman asked 9/12, 2022 at 9:11

2

Solved

I want to use clang-11 on my AArch64 Raspberry Pi 4, running Ubuntu 20.04 Focal. I looked at https://apt.llvm.org/, but AArch64 prebuilt binaries do not seem available? I tried building clang on t...
Kiyokokiyoshi asked 13/5, 2020 at 9:54

1

I was trying to install rust on Raspberrypi 4 using the recommended install script: pi@raspberrypi:/tmp $ curl https://sh.rustup.rs -sSf | sh But after reboot, cargo cannot be found: pi@raspberryp...
Toronto asked 18/4, 2021 at 12:16

1

Solved

I am trying to get Qt6 working on my Raspberry Pi 4 B 2GB. It's running Ubuntu 22.04. I installed all necessary packages with qt6-base-dev and any dependent packages (build-essential, cmake and so ...
Darn asked 3/3, 2023 at 7:39

2

It looks like starting with version 5.0.0, mongoDB requires at minimum ARMv8.2-A or later microarchitecture to run. That unfortunately disqualifies single board computers like: Raspberry Pi 4 (BCM...
Felicitasfelicitate asked 17/7, 2021 at 9:27

3

Solved

On a Raspberry PI 3B+, it's simple to turn power on its four USB ports off and on. Simply write a "0" to /sys/devices/platform/soc/3f980000.usb/buspower to turn power off and a "1" to turn power on...
Persiflage asked 16/1, 2020 at 15:20

6

I am trying to use VNC in a headless install on my Raspberry Pi 4, running Raspberry Pi OS, installed via Raspberry Imager. The install is more or less vanilla, as the only changes I have made are ...
Jacinthe asked 30/3, 2021 at 17:9

1

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In continuation to my previous question here (Fully details: connect Raspberry Pi 4 to a remote MySql database located on a server), I have been digging to find out what causing the error and why m...
Burlingame asked 6/1, 2023 at 21:2

0

I have a new situation. I had a javascript running successfully on aArduino YUN board that was basically querying a MySql server located on a server with an IP address (aaa.bbb.ccc.ddd). I am basic...
Puduns asked 3/1, 2023 at 14:51

4

I followed some guides to install an onscreen keyboard (matchbox-keyboard) and create a toggle button but for some reason the default layout that was installed for me is missing everything but basi...
Danzig asked 4/1, 2022 at 5:45

2

My code: import speech_recognition as sr r = sr.Recognizer() with sr.Microphone() as source: print("talk") audio_text = r.listen(source) print("time over") try: text = r...

3

I followed the official mediapipe page but without any result so can someone help to install mediapipe in raspberry pi 4 in windows it is easy to install it and use it but in arm device like raspbe...
Rebellion asked 6/5, 2021 at 0:44

3

Solved

I'm making a voice recognition program, but I can't seem to be able to send a request to the Cloud. Whenever I try: gcloud projects add-iam-policy-binding [PROJECT_ID] --member "serviceAccount:[SE...
Heeheebiejeebies asked 3/9, 2019 at 7:54

1

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I'm using the following article to install Flutter in Raspberry Pi 4 https://snapcraft.io/install/flutter/raspbian#install I'm getting the following error pi@raspberrypi:~ $ sudo snap install flutt...
Pinnacle asked 20/8, 2021 at 7:29

1

Solved

I have tried multiple releases from here using : sudo -i cd /usr/lib/jvm wget [release link here] tar xzf [file name here] export PATH=$PWD/[dir here]/bin:$PATH java -version But after java -vers...
Burundi asked 9/6, 2021 at 6:18

2

Kubernetes/Ubuntu newbie here! I'm setting up a k8s cluster using a single Raspberry Pi (hoping to have more in the future). I'm using microk8s v1.18.8 and Ubuntu Server 20.04.1 LTS (GNU/Linux 5.4....
Iconolatry asked 20/9, 2020 at 1:54

3

Solved

I am trying to enable the hardware support for H264 encoding on raspberry pi 4B model. Compiling FFmpeg source enabling the configurations sudo ./configure --arch=armel --target-os=linux --enable...
Hanley asked 4/3, 2020 at 15:16

1

I wonder if anyone can help me with this error that I'm getting. I want to use Selenium to monitor a web page on a (headless) Raspberry Pi 4 using Python. I have installed Selenium and installed th...
Meaningful asked 7/1, 2021 at 17:32

1

i'm having trouble in setting up a full headless install for Ubuntu Server Focal (ARM) on a Raspberry pi 4 using cloud init config. The whole purpose of doing this is to simplify the SD card ...
Outdoor asked 16/7, 2020 at 8:38

3

I am having issues installing Anaconda on my Raspberry Pi. When I attempt to install Anaconda I get this message: Anaconda3-20.02-Linux-x86_64.sh: line 404:/home/ubuntu/anaconda3/conda.exe: canno...
Urquhart asked 29/4, 2020 at 17:49

2

Solved

I have a following problem with CoreDNS from master (also see ready is 0/1 on master): E0321 22:54:45.590231 1 reflector.go:126] pkg/mod/k8s.io/[email protected]+incompatible/tools/cache/refl...
Emphasize asked 20/3, 2020 at 21:49

1

Solved

I need help about managing Hugepages on raspberry pi 4 running raspberry pi OS 64 bit. I did not find much reliable information online. First I recompiled the kernel source enabling Memory Manageme...
Dropforge asked 19/11, 2020 at 14:32

1

Solved

I am try to implement Qt-Virtualkeyboard in Raspberry- pi, using PyQt5 - Show virtual keyboard but I did'nt find the prefix path for it, bin, plugin etc folder, actually whole Qt folder doesn't exi...

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