Questions tagged [raspberry-pi-os]
Do not use this tag. It was intended for issues common to Raspberry Pi OS, but Raspberry Pi OS - Bullseye is significantly different to its predecessor. Use the version specific tags raspberry-pi-os-buster or raspberry-pi-os-bullseye.
406
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How to uninstall zram from Raspberry pi 2?
I installed zram from https://github.com/foundObjects/zram-swap but I am experiencing some lag issues.I cant find the command to remove it from Rpi.
0
votes
1
answer
180
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Files disappear from sd card after unmount
I have sd card with raspberry os installation that I use with PiZero.
I am trying to edit wpa_supplicant.conf from my arch pc.
after I connect and mount sd card to pc I can edit file like this:
sudo ...
- 103
-1
votes
1
answer
349
views
llvm version 11 and librosa error
Best regards i need to download librosa to raspberry pi so first of all i downloaded virtualenv and created environment and installed llvm with:
sudo apt-get install llvm
pip3 install llvmlite==0.37
...
- 1
0
votes
2
answers
80
views
Raspberry Pi: Unable to reboot (unable to mount root fs on unknown-block(179,2) - on brand new sdcard/image
I got some new Sandisk 32gb Ultra sdcards installed Pi OS on them etc - but when booting the Pi they gave the error in the title - all the same.
- 141
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2
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210
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SSH to/from Raspberry PI to/from ubuntu machine
I have configured SSH on my Raspberry Pi 4 to only accept public-private key authentication. I am successfully able to SSH from a Window's 11 machine to the Pi.
First thing that I did was create an ...
1
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0
answers
355
views
Raspberry pi ethernet light blinking a color when connected to laptop
I have received a Raspberry Pi 4 Model B, and have been using it for several weeks. I had installed OpenWRT(21.02.1) on one of my MicroSD cards and had put it into my pi. I don't have an external ...
- 11
0
votes
0
answers
65
views
Connection time-out when SSHing, but only on a certain network
I'm a student who recently got a RPi Model 4B to learn more about computers and programming, and I had a connection time-out issue with SSH that only seemed to happen on my network. With some help ...
0
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0
answers
233
views
Raspberry PI 4 Chia Farm 20 HDD 2 USB Hubs
I have a huge problem.
I have 20 HDD and 2 usb 16slot hubs. And if I connect the two hubs than everything is fine and works fine if the total number of hdd is over 19 rasbian OS 64 bit disconnects all ...
0
votes
1
answer
215
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Can't connect Edge Impulse project from Raspberry pi 3
I wanted to connect the edge impulse audio classifier model from raspberry pi 2 and OS I am using is Raspbian lite.
I got an error,
[SER] Using microphone hw:1,0
Failed to initialize Linux tool Error ...
- 103
0
votes
1
answer
3k
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How to install RaspberryPIOS on WSL
I am trying to install Raspberry Pi OS on Windows subsystem for linux (WSL), but I do not know how to install it.
Could you tell me how to install it or tell me good homepage instructing installation?
...
1
vote
3
answers
464
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Can I turn On and Off my Raspberry Pi 3B+ on a specific time?
I have my Raspberry Pi 3B+ powered via Solar Panel. And I know that Raspberry Pi especially 3B+ have low power consumption unlike any other Raspberry Pi version.
Though Power Consumption was not that ...
0
votes
1
answer
68
views
RasperryPI remote access
I recently set up a rasperberryPI for a client, which went well. This raspberryPI has its own wireless network which is used to interact with the device. I've read in threads that it's possible to ...
- 1
1
vote
1
answer
646
views
Install Webmin on Bullseye RPi 4B
I'm trying to install Webmin on raspberryOS bullseye 32bits (5.10.87-v7l+ kernel), and the installation get stuck on: "Unpacking webmin (1.983) ..."
I already try to install over 2 methods:
...
- 39
0
votes
1
answer
134
views
Switching SD card between Raspberry models
So I'm in the process of setting up OpenMediaVault and Plex on a Raspberry Pi 3B+, and an external HDD via a USB-hub.
Can I later just unplug the SD card and HDD, plug it all into a Raspberry 4 B, and ...
- 21
0
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0
answers
2k
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Very slow USB flash drive on Raspberry Pi 3B+
Here are a few tests with an older Verbatim micro SD-card and the flash drive.
# write speed test:
sudo dd if=dev/zero of=temp.txt bs=1M count=1024 oflag=direct
# Read speed test:
sudo dd if=temp.txt ...
- 21
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0
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353
views
Raspberry Pi 3B+ in endless loop boot on SSD
I installed 2021-10-30-raspios-bullseye-arm64-lite on my SSD. The booted, ran through some common options with raspi-config, like localization. Rebooted, as requested.
Then I did a sudo apt update, ...
- 21
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0
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33
views
Tkinter's 'create_text' inconsistent between raspberry pis
This one has me completely stumped, hoping someone can point me in the right direction!
Here's my MRE of the issue:
from tkinter import *
root = Tk()
w = 200
h = 200
c = Canvas(root, width=w, ...
- 13
2
votes
4
answers
2k
views
Raspberry Pi OS: Alt+Tab switches only between most recently focused windows
I just started my adventure with Raspberry Pi and there's a silly productivity problem for which I can't find a solution online.
Basically Alt+Tab shortcut in Desktop switches between two most ...
- 131
0
votes
2
answers
189
views
Raspberry Pi 4B duplicate Rx pins
Can I duplicate Rx on raspberry? If its possible how it will be? I need to connect 2 device which connect via gpio tx/rx.
- 3
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0
answers
205
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Why am I getting "bash: javac: command not found" after supposedly installing jdk17.0.1 on Raspberry pi OS 64 bit?
So I followed The instructions here
https://linuxhint.com/install-oracle-java-jdk-16-raspberry-pi/
Except I did so entirely on the gui of Raspberry pi OS. I downloaded the jdk file from the same ...
- 1
1
vote
1
answer
4k
views
Enable cgroups v1 in RaspberryPi OS
i am using a Raspbi 4 with the newest OS 32bit lite.
The OS is using cgroups v2
Due to some software limitations i need the cgroups v1.
I've added cgroup_enable=cpuset cgroup_enable=memory ...
- 111
1
vote
0
answers
903
views
How can I fix dphys-swapfile?
I was trying to download some apps from pi apps, and then this output came in pi-apps: Before dpkg, apt, or Pi-Apps will work, dphys-swapfile must be fixed. I don't know, what this means exactly. Also ...
- 11
0
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0
answers
140
views
Can Not Install crossbuild-essential-arm64 On RaspberryPi 4 Model B: Held Broken Packages
I am attempting to install crossbuild-essential-arm64 on my Raspberry Pi 4 Model B, running Raspbian. However, I am getting an error saying "you have held broken packages", along with a list ...
- 13
0
votes
1
answer
108
views
How is Raspberry Pi OS bootable on all boards?
A single Raspberry Pi OS instance seems able to boot on any board. Some other OSes don't. I'm under the impression that the various MCUs don't share instruction sets that are fully compatible with ...
- 185
0
votes
1
answer
206
views
Change raspberry pi 4 password without linux device [duplicate]
i recently got my raspberry pi4 and I forgot the password of my raspberry pi and I don't have any other linux device to reset my password editing cmdline.txt and then booting with a monitor and ...
- 3
0
votes
1
answer
306
views
Shutdown/reboot Raspberry using a pin other than pin 5
Is it possible to use another pin instead pin 5 (GPIO 3) to shutdown/reboot raspberry by means a push button?
Any idea?
Thanks in advance.
- 129
0
votes
2
answers
2k
views
Blank touch screen after upgrade to Bullseye
I have for many years been using the official Raspberry Pi touchscreen with a Model B+ Pi. I recently upgraded the OS to Bullseye and the touch screen no longer displays anything.
When I boot the Pi I ...
- 11
1
vote
1
answer
655
views
Raspberry Pi 4 booting/working slow [closed]
Recently my RPi 4 got crashed and I had to reboot my sd card with OS, I was using the Raspbian's 7th april 2021 release, but when I loaded it again my pi started working slow it even booted in 2-3 ...
- 19
0
votes
1
answer
610
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Server- How to allow only selected IP addresses to connect to Pi?
Disclaimer: I don't have in-depth knowledge of networking, so please pardon me if my question doesn't make sense at some places.
I wish to make my Pi a web server on the internet and restrict access ...
- 1
-1
votes
1
answer
184
views
Unable to connect Raspberry to Wifi
I want to connect my Raspberry to Internet through Wifi, but it can't detect any Wifi. I've read that only Pi 3 and + models can do that, but mine is a Raspberry Pi 3 Model B Plus Rev (see picture). ...
-2
votes
1
answer
142
views
GPIO Runtime Error with cron script at reboot
On my Pi I am using cron to run a shell script, which in turn runs a python script on startup using the @reboot flag. This python script sets up a GPIO pin to listen for a button push, and for some ...
- 107
0
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0
answers
24
views
Good Logger library using c in Raspberry pi, for log the Lidar data for specific time interval and also need to delete the data after few hours
Initially, In my project, I'm using 2 lidars where I need to log the data every 15 minutes. for every minute I need to update the file name. and also I need to delete the logged data after two hours. ...
1
vote
1
answer
661
views
Sane on Raspberry Pi 3 doesn't find ScanSnap iX500
I would like to install a scanserver on my Raspberry Pi 3 following these instructions.
The operating system is the current Raspberry OS: "2021-10-30-raspios-bullseye-armhf-lite".
The step ...
- 113
0
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0
answers
111
views
Cannot connect to rasp4 via Hostname anymore
I have a raspberry pi 4 with RaspberryOS. I am doing a few tests with socket programming, and I used to able to connect using hostname 'raspberry' only, with which I could get the ip address of the pi,...
-1
votes
1
answer
157
views
sudo journalctl -f - Why i dont see latest news?
today i have 9 november - but logs communicats show me only info from 8 november (in polish november=listopad --> lis ) and i don't understand why and how i can repeired this ... any tips?
$ sudo ...
1
vote
0
answers
868
views
Display going to sleep and not turning on
I am working on a kiosk powered by RaspberryPi 4, and I have a problem when the pi is running with a DVI/VGA adapter.
The issue is that monitor is that the monitor goes to sleep during the night: I ...
- 121
-1
votes
2
answers
1k
views
Unable to verify raspbian OS using raspberry pi imager
I'm trying to install raspberry pi OS on my SD card with the help of raspberry pi imager. the problem is that it writes successfully but when it's time to verify it ends with an error saying "...
- 19
1
vote
0
answers
81
views
Is there documentation for the vcgencmd pwm_speedup
I see that vcgencmd has a command pwm_speedup but I cannot find any documentation on what it does. I assume it speeds up the PWM clock, but I don't want to mess with it unless I know what its doing. ...
- 111
0
votes
0
answers
508
views
HDMI No Signal on LG TV (but works on other TVs)
I was at my parent’s for the weekend and I used the time to setup OSMC on my new RPi 4.
They have an older (~10 years) Samsung TV and everything worked fine (including CEC or whatever it’s called on ...
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0
votes
1
answer
151
views
Wifi not working in raspberry pi 0 when booting from usb
I am using raspberry pi os in raspberry pi 0 w I booted from USB after editing the config.txt file but the wifi is not working on my USB boot it says there is no wireless LAN, I wanted to know 2 ...
- 1
2
votes
0
answers
423
views
C# .NET Core application cannot open serial port
I'm running a .NET Core application on Raspberry Pi OS (32-bit Debian).
pi@raspberrypi:~ $ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux&...
- 175
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votes
1
answer
46
views
Relay provides power contineously
I have set up a Pi-Zero which controls several relay switches.
The Schematic is positioned below.
import time
import board
import busio
import digitalio
from board import *
from datetime import date
...
- 1
1
vote
1
answer
1k
views
Problems in setting up qBittorrent with web UI
I am using RPi 4 Rev B in headless mode(without display, using ssh to connect to the machine).
I want to run qBittorrent on startup on this machine and control it with other machine using web UI.
...
- 113
-1
votes
1
answer
425
views
WinForms Application on Raspberry Pi OS
Im running Raspberry Pi OS (formerly Raspbian) on a RaspberryPi. I have to develop a WinForms app. RaspberryPi OS is based on Debian. This means I can use the .NET Core SDK (via a snap package). Or I ...
- 175
0
votes
2
answers
1k
views
how to change os in raspberry pi without removing sd card
I wanted to know if we can change an os without removing the sd card. I basically have Gamepi20 and it is all locked up. there is no way to remove or add an sd card. I Don't have any mini cross wrench ...
- 1
0
votes
0
answers
99
views
GPIO.cleanup() did not work after continous cleanup process
I have one doubt, I'm using raspberry pi 3 b+. When I playing Raspberrypi with a 5v relay, I have used the continuous cleanup() process. After few minutes my raspberry pi was not cleanup(). It's not ...
- 1
0
votes
1
answer
2k
views
Compile RPi 3B+ Kernel 5.10 with preempt_rt patch
I'd like to change the default RPi 3B+ kernel to use the version 5.10 with the rt_preempt patch. To accomplish this, I'm trying to follow this guide and the official Raspberry guide, adapting some ...
- 3
0
votes
1
answer
273
views
raspberry pi 4 4gb vs 8gb [closed]
I actually have a project to do which involves image processing from raspberry pi camera module through live video, it involves training of datasets and also includes some external sensors and modules ...
- 19
-1
votes
1
answer
44
views
Is there a way to grant raspberry pi that you have ssh'd into access to a VPN that you're currently connect to?
If i'm connected to a VPN on my main machine, then ssh into my pi is there a way to share that VPN connection with the pi without having to literally install and set up said VPN on the pi?
5
votes
1
answer
305
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raspberry pi 4 using SPI 4 & 5 at the same time causes kernel oops and crashes the whole system
intro
i want to use multiple SPI busses at the same time.
but when i use to use SPI 4 and SPI 5 at the same time it crashes the whole system
it doesn't crash instantly sometimes it takes 10 seconds ...
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