Tagged Questions

Raspbian is a Linux operating system designed for the Raspberry Pi and based on Debian for ARM processors. A stable release version has recently become available, and the Raspberry Pi Foundation are now recommending Raspbian (over Debian) as the standard distribution for the Raspberry Pi.

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7 views

Performance Java SWING on Raspberry PI

I have partially written my POS java GUI which I would like to run on my raspberry Pi. I am now testing the interface on the pi in combination with an ELO touchscreen and I have experienced a slow ...
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1answer
9 views

How do I monitor the temperature ever 3 seconds without entering new commands?

I just bought a heat sink kit for my pi and I'm using Raspbian and would like to monitor the temperature continuously every 3 seconds via SSH while I perform tasks on the pi so that I don't have to ...
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2answers
37 views

Raspberry pi B+ first boot

I got Raspberry pi B+ and I tried to boot by using NOOBS v1.3.10 and RASPBIAN Debian Wheezy Version:September 2014. Then I got two different problems. These are my component information, ...
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1answer
29 views

Can't make change to “route” stick

I have this exact problem: "connect: Network is unreachable" on a working wlan0 (connected) interface So, I'm able to use the LAN but i can't reach the Internet. And the solution in the ...
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1answer
19 views

How can I detect if specific USB port is being used, and then command an action?

I'm very new to Raspberry Pi/Linux/Python world and I'm trying to identify one of the ports on my RPi, so if someone for example, connects a USB Flash drive (or anything) to that specific port an ...
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1answer
27 views

Fail to print using python-cups: “client-error-document-access-error”

I am trying to Print to USB HP printer through python. I was successfull in printing a text file using Ctrl-P command through gui after setting up CUPS using the WEB method. Now I am trying to print ...
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1answer
17 views

Recovering a borked /boot partition

After a apt-get update/apt-get upgrade ended with errors, my system became unusable. I was able to determine that the /boot partition was missing several files (useful ones, like kernel.img...) I ...
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18 views

Get connected(paired) device on bluetooth

Is there anyway in command lines or even python to get the Paired device at the exact moment? I've googled some of them but got nothing... I know there are commands to list all active devices nearby, ...
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0answers
35 views

Run Chromium (in Kiosk mode) Without Startx Loading the Desktop [duplicate]

I've tried to follow the answer from this topic but didn't work: Run a GUI without the desktop I have startx running automatically when my raspberry boots thanks to raspi-config, but now I need one ...
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0answers
17 views

I want to use Pi and jasper for voice recognition and change the voice jasper uses

I want to use the voice recognition and change the voice jasper uses. I would like to provide the audio files that jasper would respond with. I sort of set something like this up in windows voice ...
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0answers
33 views

Installing MySQL server in latest (NOOBS) raspbian

Here I was, following this tutorial (http://www.penguintutor.com/linux/raspberrypi-webserver) because I want to host a pretty simple php site in my raspi. But once again, as it usually happens in ...
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1answer
26 views

Unable to install packages after updating Raspberry pi

I recently updated rpi firmware to 3.12.30+ by running sudo rpi-update However after this update, i am unable to install new packages on my pi. On trying to install ristretto, links2, pqiv, fim ...
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1answer
41 views

Why is GPIO 16 on at boot?

I have a RasPi B+ running Raspbian and have connected an LED to GPIO 16 (pin 36) and another LED to GPIO 12 (pin 32). It is my understanding that the GPIO ports are all off (low) by default and ...
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2answers
36 views

How to install stripped version of GTK (without *dbg files)?

I am installing PiScope: http://abyz.co.uk/rpi/pigpio/piscope.html there it is mentioned: "If you edit the list of packages to be downloaded and remove the *-dbg packages only 134MB of additional SD ...
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1answer
30 views

Raspberry Pi Surveilance Cam online

i've been browsing for days to find how to access live stream of my picam from internet (outside my local network). For stream within local network i already success access the cam from my browser. ...
2
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1answer
20 views

Raspbian: Download sources of older packages

I want to sell embedded devices powered by Raspberry Pis and Raspbian (without the non-free software). I want to distribute the sources of the os distribution with the devices (mainly to satisfy GPL ...
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1answer
41 views

RaspberryPI and MAME ROMS

I have my PI for over a year now, and never got the time to work on it. It used to boot up months ago, but now it does not anymore. I would like to make myPI in Arcade machine with help of MAME, ...
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0answers
8 views

what is the use of this patch 'ASOC: dapm: add code to configure dai link parameters from “rpi-3.12.y” '?

Recently i am working on the raspberry pi kernel rpi-3.12.y When i am using the latest image and modules of it, i am getting an error while rebooting or halting. The error message is like unable ...
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1answer
32 views

how to use NTP on raspberry pi by local NTP server

I have raspberry pi B model with raspbian wheezy OS and a local NTP server.I want to synch my raspberry pi board with my local NTP server (not using internet). All process must be offline not using ...
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2answers
38 views

Connect Rpi to laptop through ethernet cable

I am trying to setup a direct connection between my windows laptop and RPi so that I can take projects with me to other locations without wifi and still have control over the RPi. I have removed the ...
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0answers
15 views

Raspbian can't seem to connect to ethernet

I've burned the Raspbian image downloaded from the official website to the SD card, plugged it in for the first boot, all LEDs turn on, but... The Pi doesn't show on the DHCP clients list - the only ...
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3answers
54 views

Node.js v0.11.14 exits with “Illegal Instruction”

I would like to use some of the last features (e.g. generators) of javascript in Node.js, so I download the latest unstable version of Node.js (v0.11.14) and compiled it on my RPi. But when I try to ...
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0answers
13 views

Installing Tracks 2.2.3 on Raspberry Pi

I want to install Tracks on my Raspberry Pi for task/time management. My Pi is running the latest Raspbian, i.e. I have updated it to the latest package versions. There is a rather cryptic guide on ...
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0answers
25 views

Raspbian XBMC volume down alone not working. Why?

I have installed XBMC on Raspbian Wheezy and configured LIRC to control XBMC with IR Remote. Everything works fine like right, left, up, down and other keys that I have configured except for Volume ...
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0answers
31 views

Image transfer from a Raspberry Pi to an Arduino [closed]

I'm trying to transfer a image from my raspberry pi to my arduino. The image is caught on the pi periodically and then sent to the arduino which is acting as a web server. I'm also using sensors on ...
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1answer
62 views

How to get RPi to generate a triangle wave, then outputting a PWM signal

I want my Raspberry Pi B+ Model to generate a triangle wave and output a PWM signal from one of the GPIO pins, but I'm not sure how to go about doing this. All I want it to do is add some small length ...
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0answers
20 views

Is it possible to create an os image from a configured and running one? [closed]

I want to create a customed operating system image from an existing one.
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1answer
17 views

cec-client works when run from cli but not from cron

So when I run either of the following from the cli (SSH session) my pi will turn on my Samsung TV: echo "as" | cec-client -s echo "on 0" | cec-client -s However when I but either of these into cron ...
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1answer
46 views

TFT 2.4 blank screen

I purchased a Tontec 2.4 TFT on dealextreme, with the adapter. I connected it to the raspberry like this: After following step by step the instructions (from here: Instructions) My screen is ...
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0answers
16 views

What dose it mean when my raspberry's boot screen says: "[FAIL] startpar : service(s) returned failure : hostname.sh … failed!

What dose it mean when my raspberry Pi model B+'s boot screen says: "[FAIL] startpar : service(s) returned failure : hostname.sh ... failed!
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1answer
49 views

Noob here, how can I rig up a button to the GPIO, and set it so that it will trigger a key press? [on hold]

I'm quite new to the GPIO portion of the raspberry pi, and I am wondering how to rig up something that will detect button presses. I have a model b+ (40 pin). Which pins do I wire it to? How do I even ...
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2answers
61 views

Lamp or language best for raspberry pi

I know this is a beginner question or may be even a stupid one, I am new to this whole concept of raspberry pi, so please excuse me if this is naive. Just beginning to tinker with raspberry pi and ...
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1answer
21 views

Why is netatalk not updated?

I am trying to set up a OS X networking environment with a raspberry pi and again have to build netatalk 3.1.6. Why is it now updated on the repository? Will it ever be? Thanks!
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0answers
26 views

Tor Proxy (gateway) with Raspberry Pi

So I followed the tutorial on AdaFruit to make a Tor proxy with the Raspberry Pi. I got it working as a router and I can connect to it fine with another computer. Hostapd and DHCP server are always ...
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0answers
39 views

RTL8192CU-based WiFi dongle is only able to scan

For the last few weeks I've been trying to get the TP-LINK TL-WN8200ND working on the Raspberry PI running the latest Raspbian image. This WiFi adapter uses the Realtek RTL8192CU chipset. The ...
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1answer
40 views

Does anybody else experience micro-freezes with the Raspberry over wifi?

whenever I connect my Raspberry Pi over wifi to the LAN, I sometimes get micro-freezes when streaming video from the Raspberry or when I connect over ssh. It seems kinda periodic. The freeze/lag has a ...
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0answers
23 views

Raspbian can't forward port to a ip in lan

I have a problem: I have a DVR connected to my router and I want to access it from remote but in my country there aren't ISP that offers free ports. So I bought a Raspberry Pi, connected it to Hamachi ...
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0answers
38 views

raspberry pi web server using USB HDD

I have to create an Apache tomcat web-server on a Raspberry Pi. However, I want to install Apache tomcat, java, mysql on an external hard disk and run them from there. How can do this? Also, which ...
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0answers
28 views

Pi shutting down unexpectedly

I am using a headless Pi (running Raspbian) as a web server (Apache and PHP). Every two days or so the Pi shuts down without warning. The only indication I get is through Putty that the connection ...
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0answers
13 views

AV didnt work well but HDMI work better

I had my new B+ I tried to connect it with the tv via AV red,yellow,white caple that is cinverted from that compact AV . But it doesnt work well The signal is distorted and it came from the red one ...
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vote
1answer
49 views

The Composite Video on my Raspberry Pi isn't working

I run the commands /opt/vc/bin/tvservice -o /opt/vc/bin/tvservice -c "PAL 4:3" and the screen changes from the default "no signal" screen to a black screen. This shows me that the reaspberry pi is ...
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0answers
11 views

Emulation raspberry PI

How to get W.P.A.G.U.I to appear on Emulation Station screen so i can configure my wireless from the home screen, and in Emulation station how do i get a P.D.F reader to appear on the screen so i can ...
0
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0answers
41 views

RaspberryPi Timer Interrupt with WiringPi

What I'd like to do is to create an interrupt one a timer expires after 1 ms ... 100 ms. It doesn't even have to be very accurate. Working with microcontrollers I'm used to start a timer say in ...
0
votes
1answer
69 views

Corrupted SD Card - RPi does not boot

I am new in Ubuntu, Raspberry Pi and PanStamp. So, I found a “tutorial” to help me understand how can I work with them. I found this: https://code.google.com/p/panstamp/wiki/RaspberryPi The steps ...
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0answers
33 views

Can see it through http, but can't ssh (raspbian lamp server)

If I type in the IP of my pi, I can see the web server I set up I can also connect through ftp When I try to connect through putty, it says Network error: Software caused connection abort It was ...
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3answers
35 views

Raspbian won't boot

ok so my raspberry pi b+ just came and I started it up and the NOOBS stuff came up I selected raspbian and installed it. When it boots it works for about 3 seconds and stops on a kernel panic. Kernel ...
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0answers
25 views

OpenCV. Can't open video from usb camera on the screen

When I'm trying to start simple code, the frame opens and don't respond. import numpy as np import cv2 cap = cv2.VideoCapture(0) while(True): ret, frame = cap.read() ...
1
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1answer
48 views

WiringPi Interrupt Problem

I'm trying to get interrupts working on the Raspberry Pi using the wiringPi library. When using INT_EDGE_RISING the code below results in very few interrupts when operating the button. This is ...
0
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1answer
43 views

Pi wont load. Boots but doesn't load

so my pi boots but it gets too this line 2.430062] [ < c043c988 > ] ( kernel_init +0x8/0x150) from [ < c000df58 > ] ( ret_from_fk+0x14/0x3c) and just stops. I have re installed my os ...
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0answers
38 views

Wlan0 bridge Wlan1

i have replaced eth0 to wlan0 and wlan0 to wlan1 in /etc/network/interfaces and shared wlan1 but i found the connection was limited without ips My project : making a repeater using 2 wlan and Rpi ...