Linux is a high-profile computer operating system. The Raspberry Pi can run one of a number of Linux distributions, the most pupular being Debian and Arch Linux.

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how to interface raspberry pi and plc

am doing a project on controlling the plc by using raspberry pi. any one please suggest some sample coding and tutorial regarding this project. am already finished a coding part to connect a control ...
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1answer
40 views

apt-get “cannot locate the package”

I was following a tutorial online so I can install a USB DisplayLink monitor, and it told me to type: sudo apt-get install git-core gcc-4.6-arm-linux-gnueabi I tried that, and it says it ...
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51 views

Is reboot command on Raspian (Debian) reliable enough?

Is running "reboot" command enough to reliably restart the Raspian (Debian) system if filesystem/hdd is ok? Will it work when there is an infinite loop in stop() function of rc script or if there are ...
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1answer
43 views

print a character in the usb-serial port

Hello everybody and thank you for all the answers that you give me to solve this problems. Someone said me: This code print a word that I choose in the screen, but How to send or print an ASCII ...
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1answer
42 views

Transition to Embedded Linux like Pi from Microcontrollers [closed]

I am currently familiar with design/programming custom embedded systems using PIC Micro-controllers with various peripherals like I2C, SPI Flash, UART,ADC,etc with some additional analog processing ...
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37 views

How do I detect if a usb input device is plugged in?

I am using xboxdrv for my MAME controls, however I also want to use my arcade controls via the GPIO also. To do this, on boot up if a xbox controller is detected, I want to load the xboxdrv program, ...
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0answers
42 views

How to connect a devices with the raspberry pi [closed]

This time I need to know how to connect a device by the usb port to the raspberry pi. When I connect the device in the RPi and write lsusb, It shows me ID 0403:6001 Future Technology Devices ...
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2answers
48 views

How do I restart a python program on my pi when it crashes? [closed]

I have a python program named endless.py. I want to restart it whenever it crashes, and write the time that it restarted, to a file named restartlog.txt. Here is my python code so far: import time, ...
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2answers
74 views

Does “/dev/null” writes data to SD Card before discarding?

I want to maximize my sd card lifespan and Im wondering if redirecting output to /dev/null will reduce my sd card life.
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1answer
35 views

How can I know if a network is secure before connecting to it? [closed]

before connecting to a network i want to know if it needs a password or not like in the network manager. The security of every network any commands will be welcomed
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1answer
45 views

how can we know and detect that we are disconnected from network? [duplicate]

after connecting to a network via wpa_supplicant I need a way to know if we are disconnected so we can connect again automatically.
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1answer
46 views

How can I control the PWM via the sysfs

I want to set the PWM for some tests with a tricolored LED. I want to be able to set it up via the sysfs interfaces but I'm having a very hard time finding any information on how to do this. What is ...
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1answer
244 views

Openssl + Raspberry Pi

if I code a program with openssl on a Ubuntu laptop will it work when it is compiled on the Raspberry Pi or are the libraries are different? does the command sudo apt-get install openssl work on ...
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1answer
46 views

Migrating part of existing system into a pendrive

I've had a 2GB SD card containing a Arch Linux installation running for a while now, and decided to buy a 16GB pendrive to extend its space. I've formatted it to ext4 to match the filesystem on the ...
0
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1answer
89 views

What is the best wifi adaptor available that's compatible with Kali Linux?

I've got Kali Linux up, but I'm thinking I don't have a compatible card. What is the most optimal setup regarding range, etc? What troubleshooting steps can I take to fix my incompatibility issues if ...
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1answer
84 views

Raspberry pi expand file system on usb

Right now I'm using my Pi as a OwnCloud file server. I'm using a 16G usb stick as a boot disk because I wanted more speed and space. This have been working perfect until today, I now have a total of ...
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2answers
77 views

Get USB address

I have a FTDI USB-Serial (UART) IC connected to my Raspberry Pi. When I type lsusb I can see all my USB buses: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID ...
3
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1answer
71 views

How to cross compile large projects?

Read through the posts on the website, and tried many scratchbox2/qemu attempts. I am beat when it comes to compiling large projects, that have many dependences. I found it easy to compile a single .c ...
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2answers
37 views

Are there any `armv6j_hardfp` binary repositories for Gentoo?

Since the Raspberry Pi hardware is non-ambiguous, the point of compiling optimized to the individual machine is pretty moot, while I'd still like to use Gentoo on my Raspberry Pi due to uts excellent ...
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1answer
24 views

Folder structure of Wheezy help

I'm running Wheezy and connecting via SSH, and would like pointing in the direction of a document / tutorial to understand the folder structure; eg where the sys logs are etc.
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0answers
45 views

omxplayer: Wrong video definition and video speed

I have successfully managed to stream a video from a linux server to my rasp using multicast: linux-server avconv -i video.mov -c:v libx264 -f mpegts udp://224.0.0.100:1234 raspberry-clients ...
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0answers
106 views

Hamachi Installation Fails

I'm trying to install hamachi on my Raspberry Pi. I had it installed previously but had to wipe the card after a failed update so here I am again. Every time I run the install script it fails. See ...
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2answers
98 views

nat in the iptables is not recognized

I am trying to set up my Raspberry Pi as a Man In The Middle device to monitor devices on my home network. When I try to forward port 80 to port 8080 (to allow the webpage to be loaded on the device) ...
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1answer
39 views

How do I Install Slackware on the Raspberry Pi?

How do I install the ARM version of Slackware Linux on the Raspberry Pi?
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1answer
104 views

Apache2 on Raspberry Pi: 403 Forbidden after changing web root/chown not working

So I'm pretty new to servers; I've been running websites off of 3rd party hosts, but I thought I might like to try it on my own for once. I got a Raspberry Pi running Raspian Wheezy, and I ...
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0answers
58 views

Connect Raspberry PI to Alcatel Y800Z (wÖw Modem in Portugal)

Does anyone know if it is possible to connect a modem Alcatel Y800Z to a Raspberry Pi by USB? What is the better distribution to connect the modem? Raspbian or Arch? I will try Arch. (Alcatel Y800Z ...
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1answer
212 views

How can I mount a Raspberry Pi linux distro image?

Normal filesystem images can be easily mounted: mount system.img /mnt Examined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get: mount: unknown ...
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2answers
82 views

Can Raspberry Pi Model B be used as JEE applications web server?

I have learnt how to develop web applications with JEE technologies, working in Eclipse IDE, using Apache TomEE server and MySQL database. Until now, I was using local server instance. I don't have ...
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1answer
35 views

List of supported software versions?

I saw a few questions, which are asking for the latest version of package/lib/software named XY, so I do believe that a more general question, which could help other looking for some ...
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1answer
44 views

Running a xinit from a perl script

I have a perl script that generates the X,Y and brightness coordinate for a motion starfield. It very basic at the moment with basic orbits just for testing. I don't want the system to boot to a ...
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2answers
884 views

How to build custom OS for Raspberry pi from scratch?

I am new to kernel and embedded Linux. I have recently bought a raspberry pi and booted it using the Raspbian. I was fascinated by the pi, to learn more on Embedded i have decided to make an home ...
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0answers
37 views

How to talk to iPhone and hear through RasPi?

So, I truly enjoyed using the EveilTron recently, but was disappointed when I could not add my own sounds. Then I wondered why could I not have the RasPi become a speaker for my iPhone? This way, I'd ...
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90 views

Communication between Raspberry Pi over Wifi [duplicate]

I want to interface some sensors with my raspberry pi via GPIO UART serial communication and then transmit the data to another raspberry pi via wifi. I am not a pro. Any good tutotial or technique?
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76 views

Rasberry Pi Wireless web authentication?

I picked up a wireless adapter for my raspberry pi and I would like to set it up on the network at work. Our network is setup so that the SSID is broadcasted and users simply connect and then enter ...
1
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1answer
143 views

open a win32diskimager-imported file on Windows

I have a raspberry pi. I did a backup by importing an image with win32diskimager. Is there any way to open this imported image and explore the filesystem in it? I'm on Windows 8, but Windows can't ...
1
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0answers
352 views

Raspberry Pi X-session fails to load over SSH

Am connecting from my Linux (Mint) desktop to the Fedora (rpfr18) Raspberry Pi using SSH X tunneling. When the Pi comes up, I connect to it from the desktop xterminal using: SSH -X ...
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227 views

Kernel panic Attempted to kill init! - Android kernel on raspberry pi

I compiled an Android Linux kernel for raspberry pi. The board seems to boot with that kernel but I get the following error when it tries to run /init process. Kernel panic - not syncing: Attempted ...
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1answer
150 views

RPi used as wakeup-light, bashscript+CEC+Raspbmc

I've a vision about using my RPi as a wake up light device along with my TV. The way it "should" work in my head is that I have it constantly on, checking the time. At a certain time it sends a CEC ...
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2answers
91 views

How to use ARM software in Raspberry?

I would like to run Maestro Control Center software (for Mini Maestro 24-Channel USB Servo Controller) in Raspberry. But it is not ARM software. It is availabe for Linux and Windows. I'm total newbie ...
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1answer
61 views

Mips Floating point unit , Crosstool-ng and qemu

Does gcc 4.3.2 support floating point? NOTE:the o32 abi supports FPU. Does Qemu support floating point? Thanks!
3
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1answer
2k views

Installing OpenCV on Raspberry Pi: can't find packages

I'm trying to install OpenCV 2.4.7 on Raspberry Pi (Model B, OS: Raspbian). The guides I'm referring to are: 1. RASPBERRY PI + SIMPLECV + OPENCV + RASPICAM CSI CAMERA 2. Raspberry Pi + OpenCV 3. ... ...
3
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2answers
282 views

How do I boot directly to a VNC or RDP session on a Raspberry Pi?

Is there a way to boot a Raspberry Pi directly to an RDP or VNC session? I don't want to boot to a full OS with a display manager and THEN RDP or VNC. I'd like to have the Pi boot and only do ...
2
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1answer
438 views

How to tell if I am running the latest version of the raspbian kernel

So I just finished building the raspbian kernel according to the instructions here. Prior to this I was running the latest build from raspberrypi.org, 3.6.11+ #358. I am pretty sure that the git repo ...
3
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1answer
799 views

Raspbian kernal module segmentation fault

My Pi currently runs 3.6.11+ #538, which may the source of my issues. I'm starting to write a kernel module using the following "Hello World" code: #include <linux/kernel.h> #include ...
0
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1answer
267 views

NTFS-3g HDD 0770 and 0777 permissions Owncloud

I want to install owncloud on my Raspberry-pi (Model B), I've got it running but only on my SD-card. Now i want to set the data on my External HDD. I've added the follow line in /etc/fstab, so the ...
2
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2answers
308 views

Problems compiling kernel in RPI

Im trying to compile the kernel from source on the rpi, so i fetched it from git@github.com:raspberrypi/linux.git and i'm using the stable branch (rpi-3.6.y). I did the following: 1) git clone ...
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8answers
41k views

More powerful alternative to Raspberry Pi?

I already own a Raspberry Pi model B and I am looking for a more powerful alternative. I want it to be able to run as a server (email, file, web) and also as a media center. I know Raspberry Pi can ...
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0answers
273 views

Using hostapd with WPS on ARM

I'm trying to connect a device via WPS to my Raspberry Pi with hostapd (which works great with default connecting). Is the (Arch-) ARM-Version compiled with WPS support tho options like "wps_state" or ...
1
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2answers
280 views

Linux - Windows 8 - Samba - Can see dir and contents but not create [closed]

I have the following setup Raspberry pi with samba installed and running Windows 8 machine that can see the samba share, access the proper DIR, see all contents In the smb.conf file, at the base of ...
0
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1answer
251 views

RaspberryPi program takes 100% cpu [closed]

Why my program takes 100 % CPU even if its a helloworld program. Is it normal behavior?. Can anyone tell me the reason for this?. I am using debian wheezy. Here is the screen shot of process.. ...