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9 views

Routing all through eth0 except for one service

Good morning. I have rasbian and all updates installed. Three different network devices are running on my pi. eth0 tun0 and tun1. I want that all goes through eth0 except for one service that goes ...
0
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0answers
13 views

How to save a file on raspberry pi while running a simulink model?

I have a simulink model that is deployed on raspberry pi. Now this model has an audio input and an audio output. When running the model on the pi (either in external mode or in the "deploy to hardware"...
1
vote
1answer
60 views

What is the oldest Ubuntu version available for the rPi4?

The Big Blue Button application is supported on 16.04 and will be supported on 18.04 in the near future. I would like to test BBB on the rpi4. Is there any instances of installing Ubuntu that pre-...
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0answers
13 views

Obstacles to installing Bionic Beaver on rPi4?

19.10 succesfully installs, however, this is not the case with 16.04. I would expect that Bionic beaver will not install because like, 16.04 the rPi was released after Bionic beaver. What exactly ...
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0answers
10 views

Raspberry pi 3 B with Buster can't be pinged, wlan0 stuck in DORMANT

I'm trying to use the built-in wifi on my pi. I upgraded the OS on my Raspberry pi 3 B from Jessie to Buster. Since the upgrade, I haven't been able to ping my pi. I noticed that ip link showed wlan0 ...
0
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0answers
22 views

vehicles: power supply controlled by ignition with clean power off

I read a lot about this but I can't find a satisfying solution. I want the Pi to automatically power on when I start the engine and to cleanly power off when I turn it off. what I thought was to ...
1
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0answers
15 views

Should I avoid using WP with some sort of visual composer when hosting on my Rapberry Pi 4? Is there a better and equally easy approach?

I've been told a WP-install can easily consume 2 Gigs of memory when editing in visual composers in WP. When my Pi only has 4 GB available and on top on that I'm running MariaDB (NOT Nginx), then ...
1
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0answers
17 views

Reverse Tether: Sharing Raspberry pi's Internet connection to Android via Bluetooth or USB

I've seen a bunch of stuff where a phone provides internet to pi, but I was wondering the feasibility of the other way around, where the pi is connected via Bluetooth (or USB) to an android device ...
0
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0answers
10 views

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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0answers
29 views

Ubuntu server on RPI 4 boot hangs on cloud init

I've installed the image ubuntu-19.10.1-preinstalled-server-arm64+raspi3.img.xz on an sd card and am trying to boot ubuntu server for the first time on my raspberry pi 4. I get to this stage in the ...
1
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0answers
23 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 ...
0
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0answers
14 views

Raspberry Pi Model Recommendations for Streaming 4 simultaneous 720p 60fps video Streams?

I have a project for which I need to capture (and stream) 4 simultaneous 720p 60fps video streams. Which Raspberry Pi model(s) would you recommend that can do that without a "hiccup"?
0
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1answer
32 views

What's the field before ssh-rsa in known_hosts on Raspbian GNU/Linux 9 (stretch)

ssh-gen by default creates a public key like ssh-rsa AAAAB3NzaC1yc2E...6OEBTVwLRP1Ocyr user@DESKTOP-8BL3U5O The Raspbian 9 has a different format |1|dMpV8+ILjAAD11mhp57Q7hVk/4A=|...
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0answers
10 views

OV5647 Camera: 60fps preview has bad quality

I have a camera module from arducam with an OV5647 CMOS CCD sensor on it (NOIR). This camera is connected via CSI interface to a Raspberry Pi 3A+. I would like to have a camera preview with HD (720p) ...
1
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0answers
35 views

Will USB 3.0 HDD hosted files be quicker to access than the SD and can I stress-test my Pi 4 hosted site? [closed]

EDITED to fewer more specifik questions: As stated I want to run a semi-small website with some customer-chat plugins and a user database in WP on my Pi 4 (the 4 GB RAM version). It should be up and ...
0
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0answers
19 views

How to emulate the u-boot with raspi2 on QEMU

By referred https://www.raspberrypi.org/documentation/configuration/boot_folder.md and What is the boot sequence? I am trying to run u-boot by emulating Raspberry pi 2 on QEMU. I followed https://...
1
vote
1answer
26 views

Can I use the sd card from my Raspberry Pi 3 in my Raspberry Pi 4 for Kali Linux?

My Raspberry Pi 3 model B recently stopped working and I am planning on getting a Raspberry Pi 4. I was wondering if I could use the sd card with Kali Linux from the Raspberry Pi 3 in my Raspberry Pi ...
0
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0answers
12 views

Configure Raspberry Pi Stretch Network for AdHoc and Local Wifi

I am trying to connect a network of Pi's using an AdHoc network and OLSRd. However, I do not want to have to change the wifi settings each time that I need to install a package. My solution was to ...
2
votes
1answer
34 views

motion not encrypted even with https

I have a raspberry PI 3 running Raspbian Buster. I'm trying to set up motion 4.2.2 with 2 cameras to make a little surveillance system, and I need to stream it to the Internet so that I can monitor it ...
2
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0answers
16 views

power problem with pi4 and 7" touchscreen

I have a Pi4 that I have connected to a 7" touchscreen. The touchscreen is powered by a microUSB cable, the Pi4 is then powered through the GPIO, per the instructions. I keep getting the low power ...
0
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0answers
12 views

Still cannot mount Synology shared folders [closed]

I have looked through this forum and nothing works. Most of it is new to me, but I figure most things out. I added NFS permissions, enabled privileged ports (over 1024), but I still get the message: ...
1
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0answers
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 ...
1
vote
2answers
33 views

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 ...
0
votes
1answer
10 views

Unable to expand SD Card for RT-Linux Image created using Yocto

I am creating a minimal image for my Raspberry Pi 3b+ with an Preemptive RT Linux Kernel using Yocto Project's warrior branch. I was able to create a base image for the same (bitbake -k core-image-...
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0answers
15 views

Screen goes black for a second after I turn off PSU

I been setting up a Rpi 3 Model B to control some servos so I planed to use a PSU to power the servos since they will draw too much current for the pi to handle. At this point the setup is as ...
-1
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0answers
27 views

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 ...
0
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0answers
12 views

Install OpenCV and NumPy on raspberry pi b+ [closed]

I want to install "OpenCV" and "NumPy" on my Raspberry Pi B+. I was thinking about installing them on a USB and then transferring to my pi since my raspberry pi is so slow. Is it fairly simple to ...
0
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0answers
31 views

mpd watchdog on raspberry pi

I would like to use mpd-watchdog from JackRichardson on a Raspbian Buster Lite. Copying the files to the relevant directories is no problem. Only update-rc.d, mpd-watchdog defaults I think that's ...
0
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0answers
45 views

How to operate 4 wire stepper motor and operate

I have a stepper that has 4 wires: PIN 1 --- A --- BLK --- CONNECTED TO GPIO 4 PIN 2 --- A\ --- GRN --- CONNECTED TO GPIO 23 PIN 3 --- B --- RED --- CONNECTED TO GPIO 17 PIN 4 --- B\ --- BLU --- ...
2
votes
0answers
20 views

How to dynamically connect to wifi hotspots when I find them?

I'm doing a robotics project in which I have multiple raspberry pi powered robots. When they meet eachother one of them can decide to set up a wifi hotspot and the other ones should connect to it. ...
0
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0answers
16 views

Adding a LAN module to Compute Module 3

For an alarm with wired sensors and home automation purposes, I want to use a compute module 3 (for its eMMC reliability) but I have an issue ; I need a LAN connection. In one of your answers ...
1
vote
0answers
22 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 ...
1
vote
0answers
14 views

starting fcgiwrap

I have been having problems with starting fcgiwrap as socket and service(ill give some info on that if anyone wants to take a crack at that), so i was looking for a diffrent way to start it.So from ...
1
vote
0answers
23 views

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 ...
0
votes
1answer
20 views

Getting 2560x1600 resolution from RPi 4B on HP LP3065 monitor

I have a HP LP3065 workstation monitor which is 10+ years old and it only has 3 DVI-D Dual-link inputs. You can see its specs here. It can only work in native resolution 2560x1600 or quarter ...
1
vote
0answers
18 views

I don't get a system bell in LXTerminal on Raspberry Pi 4b / Raspbian

I don't get the customary system "bell" at the command prompt when I type ctl-g or when editing a file with vim. I do get sound when playing an audio file (through HDMI to my monitor). As I was ...
0
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0answers
9 views

What Bluetoothctl agents are there?

Due to some bluetooth connection issues I've been having connecting some raspberry pis via bluetooth (just for context), I've been looking into different bluetooth agents I could use. There are a few ...
0
votes
1answer
24 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 [ ...
1
vote
1answer
30 views

Connecting Raspberry Pi Zeros over Ethernet

I'm attempting to set up a simple network made up of two raspberry pi zeros, one with wifi to access over ssh by another computer and then communication between the two pis using Ethernet. To set up ...
1
vote
1answer
23 views

Very strange SSH problem with iPhone hotspot

I am newbie with Raspberry and this is my first time using it. I downloaded Rasbian Buster Lite and flashed it with Etcher. Added ssh named file to boot directory and also file named wpa_supplicant....
1
vote
0answers
25 views

Scheduled tasks for GPIO Raspberry Pi on PHP?

I create a web interface for me for manager raspberry pi gpio. Are there libraries for PHP for scheduled tasks for GPIO Raspberry Pi? I want add task from web interface, for example "at 9:00 set ...
1
vote
0answers
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 ...
2
votes
1answer
40 views

Relay does not turn off

I am trying to control a 4-Relay module with my Raspberry Pi 4. I tried to do that by writing this script: import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BOARD) relais_1 = 8 relais_2 = 10 ...
-1
votes
0answers
35 views

Need help creating gif from timelapse images. Fails to write

I'm trying to create a gif from 960 images on an RPi 4 B. I kept getting the cache error so I modified the ImageMagick policy.xml to reflect the values (PASTED AT BOTTOM OF POST) Here's the .py ...
0
votes
0answers
19 views

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 ...
0
votes
0answers
12 views

ALSA lib bluealsa-pcm.c:219:(io_thread) PCM FIFO write error: Broken pipe aplay: pcm_write:2053: write error: No such device

Bluetooth Error Device: Rpi 2 2014 Model B Ver 1.1 also Rpi 3 Bluetooth Headset JBL Everest Elite 750NC Bluetooth Adapter Panda Wireless PBU20 command line: aplay -D bluealsa:DEV=C8:DF:84:20:...
1
vote
1answer
22 views

I try to read analog signal with “AD8232” but it suddenly stopped working

My setup is: "Raspberry Pi Zero W" + "MCP3008" + "AD8232" (https://learn.sparkfun.com/tutorials/ad8232-heart-rate-monitor-hookup-guide/all). A few days ago I was able to read ECG signal and print ...
1
vote
0answers
28 views

Link to HTML-File on Raspberry Pi running openHAB

On the Raspberry Pi, I have an html-file which I can view when directly logged into the Raspberry Pi. The page is shown on a display that is directly connected to the Raspberry Pi. Now I want to ...
2
votes
1answer
26 views

Redirecting audio through RPi

I have an RPi with minimal Raspbian that's connected to a speaker, and have set up the sshd. How can I redirect all audio from my main machine, which runs Arch Linux, through the RPi to the speaker?
1
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0answers
25 views

Is raspberry pi zero w powerful enough for Mysql? [closed]

Is raspberry pi zero w powerful enough for hosting a Mysql database?

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