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Questions tagged [raspbian]

DO NOT use this tag, use the more specific Raspbian-Stretch or Raspbian-Jessie.

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63 views

C# mono - How to convert jpg image byte array and set into picturebox?

I am a newbie to mono C# programming in raspbian os (pi3 b). I have written a fingerprint scanner application in C# and using mono, I am running the same application in Raspbian os under the pi3 ...
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76 views

Modsecurity WAF and NextCloud

I’m running nextcloud on my Raspberry Pi. I also have ModSecurity enabled running in the default configuration with the following changes: setvar:‘tx.allowed_http_versions=HTTP/1.1 HTTP/2.0’, \ ...
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112 views

First startup of Raspberry pi 3b+ with only laptop

I have a brand new raspberry pi 3b+, 16 GB SD card, ethernet cable and Windows 10 laptop. As i don't have any peripherals except mouse, i.e. a display and external keyboard, I'd like to set it up so ...
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18 views

imaging pi 3 from ubuntu 12.04 [duplicate]

I'm in the unfortunate situation of being without my laptop for a few weeks and need to build a few Pi3 computers with my old desktop running ubuntu 12.04. Is there an imaging tool that works with ...
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50 views

Raspberry PI 3 stucks on networking.service on boot Raspbian

Hello I'm currently installing Raspbian in PI V3 Model B+ After installing it works properly for first day but next day when i start my PI it get stucks on networking.service on boot and pi never ...
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231 views

Pi-Hole + Unbound ==> Unbound anchor not ok // SERVFAIL

Problem with unbound and pi-hole I followed the official guide for installing Unbound alongside Pi-hole for my network, see Setting up Pi-hole as a recursive DNS server solution A week ago I first ...
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1answer
62 views

keep reading the same value from air pressure sensor (MS5611)

I have bought a GY-86 sensor. it is comprised of an accelerometer/gyroscope (Mpu6050) a magnetometer(HMC5883L) and a barometer(MS5611-01BA01). all these sensors have I2C interface. I am reading the ...
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2answers
75 views

How do I solve extra and missing wifi interfaces?

This is somewhat cosmetic. Too many IPs: When polling my net, my RPi3 B seems to be broadcasting two IPs, a 'ghost' DHCP one, and my preferred, static one. "No wireless interfaces found": Also, ...
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113 views

Transmission-daemon permission denied in /home/pi/ folder. How to fix it?

I don't want to use any USB drive with my Raspberry Pi because my SD card has 32GB storage. So i put /home/pi/torrent/downloads and /home/pi/torrent/incompleted location in the /etc/transmission-...
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1answer
74 views

.asoundrc file is rewritten on each boot

i read all of the posts here and commentated on one of them but comment was deleted as it was a question i guess, so i mage my own now, sorry for that... Ok the problem: USB sound card mic is not ...
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2answers
57 views

Raspberry PI convert into a switch

I would like to know if it is possible to make raspberry pi work as an Ethernet switch? @jsotala. Thank you for the advice. Basically I am not considering using the readily made switch from the ...
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28 views

Please Help Arduino - Raspi NRF24L01 connect

I want to connet raspi and arduino nano with nrf24l01. I run example "getting Started" successfully, and i check my raspi and arudino, nrf24l01 is all good. but i want send int message, i change some ...
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1answer
45 views

Installing Cyberduck CLI on Raspberry Pi 3b+ with Raspbian

I am attempting to install Cyberduck CLI on a Raspberry Pi 3b+ that has the default Raspian. I am aware that there is a UI available, however for the purposes of writing a script to automate mass ...
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0answers
16 views

Unable to open terminal on launch on Desktop GUI [duplicate]

I have tried to add the command @lxterminal in the following locations: 1. rc.local - works only if i run rc.local on the terminal. It creates a new terminal 2. added @lxterminal command on the /...
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208 views

Problem with Pi Cam / Python / opencv: “Incorrect buffer length for resolution 640x480”

I want to build an animal counter based on pi zero w, pi cam, python and opencv. I read some tutorials (especially from https://www.pyimagesearch.com) how to setup all that stuff and in principle ...
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0answers
321 views

Raspberry pi 3 B+ 4G dongle to provide internet to ethernet

I installed latest Raspbian stretch lite on my new raspberry pi 3 b+. When i connected a Huawei 4G dongle E3372 it automatically connected to internet through it and interface on ifconfig came as eth1....
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33 views

Physically make screen smaller (overscan?) While maintaining touch screen calibration

I am having trouble finding a way to make the 'active' screen size smaller. I have a 7" display and I have a 6" gap in which I want the display to be seen through (the screen will sit behind this ...
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0answers
20 views

How to execute a script.sh with a sequence of joystick+button

I would like to know if I could find a way to bind a combo like the "hadouken" (Hadouken is a combination of movement of a joystick: down, down-right, right + button ) of street fighter to make an ...
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0answers
15 views

Wpa2 enterprise university campus raspberry pi [duplicate]

I tried following other guides on the stack but all of them did not work for me. I am trying to connect to a wpa2 enterprise encrypted wifi from a raspberry pi 3 B+ running Debian stretch raspbian ...
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69 views

How do I stop Chromium from crashing my entire Pi whenever i open or run it?

My Raspberry pi keeps crashing whenever I open Chromium i tried to: sudo apt-get purge chromium-browser Then I reinstalled it, and it takes a couple more seconds to crash now but that's not very ...
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73 views

RPi Model 3 B+: Bluetooth Connectivity Intermittent

I'm having the worst time with my fresh install of Rasbian on a RPi 3. I can boot into the bluetoothctl terminal with no trouble, get the prompt, agent on, scan on, but then midway through scanning, ...
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1answer
40 views

Rasp Pi, pip error setup.py egg_info

I am new to pi and I wanted to test it out on a python module for talking to building automation devices. Its called BAC0 From the documentation: https://bac0.readthedocs.io/en/latest/getstarted.html#...
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1answer
23 views

Update a previous Raspbian image to rasp b+? [duplicate]

I'm sorry if the question has been already asked, I couldn't find it. I bought a raspberry pi 3 2 years ago, and I still use it with no problem. I bought a new rasp pi 3 b+ 1 week ago, and I tried to ...
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1answer
241 views

“bin/bash: bad interpreter: No such file or directory” when running shell script

I wrote a shell script for my Raspberry Pi and made it executable. When I run ./filename.sh, I see an error: bash: ./filename.sh: bin/bash: bad interpreter: No such file or directory I wrote this ...
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1answer
325 views

can't install mariadb 10.1 on raspbian stretch

after several attempts to install mariadb on Raspbian stretch i am still stuck on the same error: Setting up mariadb-server-10.1 (10.1.23-9+deb9u1) ... Job for mariadb.service failed because the ...
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1answer
42 views

sudo startx broke my account

I wanted a font so I placed the .ttf in /usr/local/shared/fonts To do this I had to do sudo startx to give me super user. Now I wanted to check it worked so I rebooted and it asked me to login even ...
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1answer
61 views

Run node.js code on startup

I've been trying to run this code on startup for the last two days: I've tried the rc.local method, the init.d method and sudo crontab -e method but none of them worked for me ! The file is ...
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1answer
54 views

Change GPIO pins for official Raspberry Pi 7" touchscreen

I need to use different GPIO pins with the Raspberry Pi official 7" touchscreen. I'm already using pins 3, 4, 5 and 6 with a hat, and it would be a pain to change them. I've looked through several ...
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1answer
140 views

SSH Connection refused after first connection on wi-fi

After installing the Raspbian with NOOBS I was able to connect once to my Raspberry Pi model B3+. Now I am unable to connect again on port 22 with the following message: ssh: connect to host 192....
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0answers
347 views

After recent change in Raspbian, how to change Raspberry 3 B+ Wifi country or enable 5 Ghz?

I am trying to enable 5 Ghz on my Pi because the speed I am getting is 10 Mbps or less while my old HTC M7 on 5Ghz is able to get 80 Mbps but raspbian is not letting me change the country to enable 5 ...
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2answers
21 views

Join problem: 'is not sorted'

Is there a bug in Raspbian join command? I can't get two files to join. FILE1 left.cut: Level: Reputation: XP: XP to Next Level: Gold: Diamonds: Energy: FILE2 right.cut: 111 154,955 722,642 911 1,...
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1answer
54 views

syslog.1 and deamon.log.1 files grow to 2 giga each

I'm running raspbian jessie on raspberrypi, with an eight giga SD card. This message is written again and again hundred times in a second and catching all the place on my SD card. Jul 29 00:04:27 ...
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1answer
402 views

ssh Access denied from putty for raspberry pi

I installed raspbian using NOOBS in raspberry pi 3 B+ . I enabled ssh in Pi .By typing ifconfig I obtained ip address .Using putty from windows I entered ip ,username and password I am getting access ...
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2answers
140 views

Pi Zero W swap size limit

I think the default size of the swap file for Raspberry Pi Zero W is 100 MB. I would like to increase this in an effort to improve performance, but don't want to make it too large as the Pi Zero W has ...
2
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1answer
100 views

I2C device address changing of MCP23017 I/O extender

When I connect all A0, A1 and A2 to ground, then my device address of the MCP23017 is 0x20 (constant). But when I disconnect the A0 from ground, then the device address is switching between 20 and ...
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0answers
129 views

Why doesn't extract-vmlinux work with Raspbian's /boot/kernel*.img?

To monitor if a reboot is necessary, I wanted to compare the version of /boot/kernel*img against the version of the running kernel. To get the kernel version of a compressed linux kernel image (...
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1answer
40 views

After installing raspbian I can't add ssh file

After I installed raspbian on the sdcard, the sd card disapear from the file explorer and I can't add a ssh file. If I plug out and in the sd card, windows ask me to reformat. How could I add the ...
0
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1answer
45 views

netboot Pi3 with no SDcard

I'm trying to boot a Pi3 from the network without having to use a SDcard. Currently, the PI3 will only boot from the network if I insert a sdcard with one single file: bootcode.bin - from that on ...
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1answer
315 views

VNC using MobaXTerm Client

On Raspbian, I just enabled VNC using the sudo raspi-config command and tried to use MobaXTerm to connect, but it gave me the error "No configured security type is supported by 3.3 VNC Viewer". I know ...
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0answers
145 views

Accelerated Numpy on Pi 3 B+

I'm looking to do some work with NumPy on my Pi 3 B+, and I'm not sure what the deal is with optimization, blas, etc. I installed libatlas using: sudo apt-get install libatlas-base-dev Following ...
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1answer
114 views

wifi not working in raspberry pi 2

I want to setup multiple network for wifi. One for my home and another for my office. I took the reference from stackoverflow but it did not work in mine. It works if i use the ethernet but not when ...
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2answers
65 views

why GPIO.LOW is used to turn the switch on?

I am learning raspberry pi and somewhere i found the tutorial of turning the bulb on when clap is heard and off the bulb when clapped again. The following code was written for this to work #!/usr/bin/...
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1answer
116 views

Building image on virtual raspberry

I need to reinstall my raspberry; I have a problem with bind missing libraries, and I have failed to solve the issue. But the raspberry is in use, tallying power and water usage, so I would hate the ...
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1answer
160 views

unable to install packages- raspberry pi 3

I have been trying to get this working for a lot of hours now but no success. Here is what I have done- ping 8.8.8.8 works Also added nameserver 8.8.8.8, 8.8.4.4 in etc/resolv.conf as suggested on ...
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1answer
46 views

cant open image from rc.local

I would like to open image from rc.local. I am sure rc.local is getting called during boot as it execute/run test c++ code. I tried with various image viewer like gpicview , mirage. I can try with ...
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3answers
102 views

Created nano file raspberry pi: Crontab

I am using nano 2.7.4 and have created a file to receive sensor data to table in SQL. I'm able to run the task form the command line and receive the correct data back in the database. However, the ...
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1answer
98 views

eth0 to wlan0 router stretch

I have the following situation I would like to make the Internet connection on wlan0 of the Pi available to all devices connected on eth0. I'am using Raspian Stretch, predictable network interface ...
0
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1answer
74 views

mysqldump command not found when Backing up MYSQL Database

So I'm trying to turn my Raspberry pi into an automated MYSQL backup server but I'm struggling to find a working shell script to archive what I'm looking for. Until I came across this Git Repo but ...
0
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1answer
115 views

Android Studio on Raspbian

I'd like to use my Raspberry Pi for programming, among others, Java. As an editor, I would like to use Android Studio. Is there a kind of Android Studio to install on the Raspberry Pi?
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1answer
166 views

Service failing to wait for internet connection

I'm strying to make my systemd service start after internet connection has been established. I read several questions on this forum, but no success so far. The error is analog to Invalid host: ...