Questions tagged [raspbian]

Raspbian is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 10 (Buster). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own customised images.

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Unable to run the example python code for MCP4725 example in Raspbian

I am working with MCP4725. I was working on this quite some time without any issues but currently even the default example given in the GitHUb Repository keeps throwing this error. Press Ctrl-C to ...
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18 views

PC HDMI Output to Raspberry Pi

I’ve been googling for a while and am coming up dry so I thought it was worth asking here. I’m interested in building a distributed display presentation system where the presenter uses a PC and the ...
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About Kodi on raspbian running external programs

about the your answer, How I execute navit using the modifications on Raspbian buster, kodi 18.3 leia?
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29 views

Updating python version3.6 to python 3.8.1

currently, my raspberry pi runs python versions 2.7 and 3.6 [by default] and version 3.8.1 [I'm trying to update the current version] This causes a lot of trouble when I try to install a new package ...
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11 views

Permissions problems (read only rights) after a mounted nas directory

I'm trying to mount a folder from a Syno Nas to my Raspberry (OS : Rapsbian). The mount is done at every boot. On my NAS, I added a NFS rule, with read/write rights, with the raspberry's IP address ...
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How can I make sure that my OS works without any screen?

So I downloaded the OS on the SD card and I want to make sure that the system works? I just started my raspberry adventure, and I'm completely new to this. I also tried to connect my Raspberry by ...
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Adding system calls on raspberry and ubuntu [closed]

I was wondering on how to add your own system calls on to the raspberry PI. And based on this website that I have looked upon to, http://blogsmayan.blogspot.com/p/adding-simple-system-call.html , I ...
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25 views

Pi 4 able to run Kodi and Deluge at the same time?

I'd like to run Kodi and Deluge at the same time on a Pi4. Deluge to be an always-on torrent box, and Kodi for streaming TV/movies to my TV. Will the Pi4 be able to handle both tasks at the same ...
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Could not read all bytes from /dev/ttyS0

I try to send some data to a module which connected via UART /dev/ttyS0, I send a standard command to module and module send me back a 13 bytes acknowledgment, but the first 5 bytes of ack not ...
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25 views

Consistent filesystem corrruption

It seems that recently my SSD began to get corrupted almost every time I shut my Pi 3B+ down, and on boot I get: [ 4.503731] sda: sda1 sda2 [ 4.511049] sd 0:0:0:0: [sda] Attached SCSI disk [ ...
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14 views

Voice-enabled QnA bot [closed]

I want to develop a custom voice-enabled QnA bot. I am relatively new to the raspberry pi. I want to know if such a project is possible with this kind of hardware that raspberry pi offers. Please ...
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Run raspbian image that was used in Qemu

I'm working on a project that needs to run ROS on raspberry pi zero. I was following this tutorial but I allways get stuck in dependency problems, low ram o anything else. Since it tooks about 8 hours ...
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Where is Raspberry Pi “wastebasket” located in the file system?

I am trying to understand the Raspbian file system better. I opened properties on the Raspberry Pi's "Wastebasket" hoping to find out where it is located in the file system and I found trash:///. ...
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2answers
46 views

Python3, Run two functions at the same while func1 accesses the variables created in func2 [closed]

I would like to run two functions at the same time. One of the functions has to access the created variables of the other one. What I've done so far: import multiprocessing import Process import sys ...
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Raspberry Pi serial communication issue

I am trying to setup serial communication between Raspberry Pi and PC by referring the tutorial below: https://scribles.net/setting-up-serial-communication-between-raspberry-pi-and-pc/ the ...
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Is there anyway to make Logitech Flow (move between individual pc's) work on a Raspberry Pi?

Basically, I just bought this mid-range mouse that I am trying to take full-advantage of. One of the many features is "Logitech Flow". Essentially you can hook multiple computers together and move the ...
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27 views

Change resolution on LS055R1SX03 2k screen

I bought the HDMI to MIPI LS055R1SX03 5.5 inch 2k IPS LCD module 2560*1440 from Aliexpress, Plugged it, and used a configuration found on the internet to be able to see any image. Surprisingly it ...
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0answers
15 views

Connect to a proxy server but only from specific interface (eth0)

I want to connect my Raspberry Pi to the university network. I was successful to connect it to eduroam (WLAN). Some times I would also like to access the universities network over LAN. For doing so, I ...
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19 views

BalenaCloud & ZeroTier: which one is better?

Generally speaking, it seems that the functionality of both ZeroTier and BalenaCloud are quite similar in terms of communicating with and managing single (or a fleet of) IoT devices. I'm relatively ...
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1answer
64 views

How to reset raspberry pi on laptop?

I have a RPI which I borrowed from a friend's friend. So I don't know whether he has changed the id and password for it. Because when I am trying the default id : pi password : raspberry the ...
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25 views

I want to put a raspberry pi operating system in to a amazon kindle [closed]

If I can put Raspbian into an Amazon Kindle then you can have a portable raspberry pi if you can put Raspbian in a kindle it could be so much useful for portability reasons it will look more normal ...
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How to install Minecraft full version with Python support on a Pi 4?

After getting a new Pi 4 and launching Minecraft Pi Edition, I have to say it's extremely limited, lacking most of the features that make MC fun. Granted it's abandonware that never made it past alpha,...
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How to connect to my RPI 3 if I have have my Pi configured to auto login? [closed]

I have RPI which does not require username and password to login. But the problem is I don't have monitor and hence I need to connect pi to my PC using winows connect to use it. However the problem is ...
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2answers
78 views

Unable to get IP address of Raspberry pi to connect via Windows remote connect

I borrowed the RPI 3B from a friend's friend. hence I don't know the hostname so that I can ping the RPI to know its IP address. Hence I am following this tutorial to get its IP address. According to ...
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30 views

Can't login through GUI

I was logged into my raspberry pi and downloading some python packages. At one point the raspberry pi froze and I could not do anything to safely shutdown etc, so I pulled the power cord. Now I cannot ...
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1answer
38 views

How to control python code though web page

Currently I am working on a dual axis sun calibration device. Everything was going well so far but I made a huge mistake. Here is what I made so far. I wrote my code in Python 3.8. Libraries I used:...
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30 views

Changing permission to hard drive directory

I would like to change permission to the directory where my USB drive is mounted that is /media/pi/Elements. I can only have access to SSH. Here is what I tried (as a root and pi user) : root@...
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1answer
51 views

writing into fifo file and reading it

1.Transmitter side code: A)Recording audio into fifo file(no need to create fifo file separately arecord command will create fifo file): import os os.system('arecord -D plughw:1,0 -d 0 --rate=19200 ...
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92 views

Raspberry Pi 4 no wifi after update && upgrade

I am new to Raspberry Pi and Linux. I followed all the setup guides and have a 4" touchscreen with a case. I downloaded MPI4008-4.0inch-2019-07-10-raspbian-buster.img and flashed it to SD. I had to ...
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1answer
45 views

Fresh installed image not booting

Technically a long-awaited update to a previous question of mine. I have a brand new raspberry pi 4, with an official RP power supply. Brand new 32GB SD micro SD card. Balena Etcher does not run on ...
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33 views

Why does my Raspberry Pi's IP address not show up on my router, but has the old dynamic IP address?

I recently changed my Raspberry Pi 3B setting in dhcpd.conf to set a static private IP address. I've been able to SSH into the pi, as well as ping it. But for some odd reason, when I check my router's ...
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1answer
38 views

Raspberry Pi 4 does not see 5GHz networks

I've got myself a new Raspberry Pi and installed Raspbian (fullest of editions) using NOOBS. During installation (i presume for package download) Raspberry clearly saw and was able to connect to my ...
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1answer
30 views

How can I make git pull work at startup on a raspberry pi using autostart ? (network connection needed)

I am working with a raspberry Pi, and what I need is to make it launch scripts at startup when internet connection is active. I found a solution by setting instructions to be launched in the file ...
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1answer
52 views

Is Mongodb latest version available on Raspberry PI 3 B?

I'm trying to install mongodb on Raspbian or Ubuntu Mate, but i have troubles finding de package on the repository to install it. The only one that is available is 2.4, but i'm having problems with ...
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1answer
52 views

Maximum Raspberry Pi 4 WiFi hotspot clients

I have configured Raspberry Pi 4 as a WiFi hotspot with hostapd on Raspbian Buster. I connected 10 clients, no problem. I want to use it as a Free WiFi. So, I concern to know how many clients could be ...
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25 views

Check WiFi Credentials from PHP API

I have put together a custom pi running raspbian that creates an access point if it can't connect to a wifi connection set within wpa_supplicant.conf. The mobile app connects to this connection and ...
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2answers
43 views

How do I type the ^ in Raspberry terminal

How do I type a ^ in Raspberry Pi's Terminal so that I can select Y as an answer for saving a change?
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43 views

GPS timeout problem with TTL to USB connection

I have a gps module based on L80-39 chip and a raspberry Pi 3 model B I connected it initially via USB cable, followed instructions from this site https://wiki.52pi.com/index.php/USB-Port-...
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28 views

Navit map not load when start from CLI

When I try to run Navit on my raspberry pi from the menu, I will be able to see the map. But when I run from the CLI.. It just shows me this: It also gives me this error: error:navit:xinclude:...
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1answer
36 views

How to print list of availble networks and connect using python

I have been search for a couple of hours to find a a tutorial on how to show the list of available networks and connect to a network programmatically.I don't want to use command line. I have ...
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1answer
37 views

Raspberry3b, Python3, Combine 2 codes which work by themself (Thonny, Geany) but not together in the same IDLE

I have to combine two codes and run them one after the other. Unfortunately, I can't start the gps_receiver on Thonny_ide and neighter the other code on the default Geany_ide. Can somebody help me to ...
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2answers
65 views

Cannot install certbot cloudflare DNS

I'm trying to install python3-certbot-dns-cloudflare but I get following error: E: Unable to locate package python3-certbot-dns-cloudflare I also trying install via pip3 but it also don't work (bad ...
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1answer
28 views

bluealsa: Couldn't acquire D-Bus name: org.bluealsa

Trying to use my Raspberry Pi 4 as an A2DP Bluetooth sink using bluealsa. As reading the documentation of bluealsa: It will register org.bluealsa service in the D-Bus system bus, which can be used ...
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1answer
47 views

Raspberry Pi4 error capturing image with OpenCV, image comes half green

I am using a common logitech webcam with OpenCV. When I was using my RPI3 I had no trouble, but I wanted to improve my system so I bought a RPI4. Upon setting up my system with RPI4 using raspian ...
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1answer
61 views

UART on Raspberry Pi 4

I open the port and set the UART uart_fd = open("/dev/serial0", O_RDWR | O_NOCTTY | O_NDELAY); if (uart_fd < 0) { printf("Failed to open UART\n"); return -1; } config.c_cflag = ...
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1answer
47 views

How to resolve “segmentation fault” on Raspberry Pi?

I am a happy user of Raspbian on Raspberry Pi. I have some services there like VPN, Plex, Pi-Hole, etc. Every 1-2 years it starts showing "segmentation fault", when running some commands. I need to ...
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0answers
24 views

Pi 4 video recording/encoding/writing super laggy after few seconds?

I've got the 4GB ver of the Pi 4. Trying to using it with Motion-Project and a NoIR Camera Module V2. Problem is the moment recording starts, it's fine for about 1-3 seconds, then becomes super laggy. ...
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24 views

How to concatenate multiple variables

I have three UV sensors - integers output; one BMW280 - float output (temperature and pressure); and one GPS Module - float output. I need to build a string in this form - #teamname;temperature;...
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4answers
105 views

apt-get update errors after copying Raspbian to new SD card

I copied a working raspbian buster installation from one SD card to another (raspberry pi 4). I did so by simply calling dd if=/dev/mmcblk0 of=raspbian bs=1M on my Notebook with the existing SD card ...
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4answers
5k views

How do you make the HDMI hot-pluggable on a Pi?

We have a Pi3 connected to a TV on a remote worksite. Sometimes, the remote site has a power outage, and when power is restored, the TV and Pi get power at the same time. The problem is that the TV ...