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Wifi Dongle - Cannot ping beyond intranet, works with Ethernet!

I've successfully been able to establish connection between my Realtek RTL8188CUS Wifi Dongle connected to Pi's USB port with my wifi router. (Got IP, able to SSH via wifi). When I connect Ethernet ...
3
votes
3answers
3k views

How to wall mount the Pi and its monitor?

Question Is there a product which will help me wallmount my Pi? A simple DIY solution? Background I want to wall mount a Raspberry Pi and its monitor. I've seen lots of VESA mounts for mounting a ...
10
votes
3answers
18k views

Why am I getting far slower internet on my Raspberry Pi when compared to my Mac and Windows Computer

I have reasonably fast broadband, which on my Mac, using Safari 6, is perfect for my uses. Webpages load quickly, and I am extremely satisfied with it overall. My Raspberry Pi is another story. I can'...
0
votes
2answers
126 views

Connecting to network through Ralink Wi-Pi adapter

So I've got the latest OS of Rasbian, and just received a Wi-Pi adapter by Ralink. I'm trying to get the pi to connect my network, but once I plug my adapter in I can't get past the start up. When I ...
3
votes
1answer
1k views

Boot from SD but use a thumb drive as RootFS

How would I make my RPi boot from the SD card, then immediately direct to my thumb drive (USB/Flash Disk) to run the Root FileSystem. I need to do this because I will be doing some quite heavy storage ...
10
votes
3answers
13k views

How do I set up a storage device that is only “on” when used?

I use my Pi as a homeserver (headless via ssh, always on, restarted once a week). It's running raspbian, and I am running Ubuntu on my Desktop. Now, I want to add hard drives for backups and NAS to ...
1
vote
3answers
4k views

U-BOOT and tftp (network) crashes or blocks during uImage download

I installed a u-boot.bin on my boot-parition and adapted everything to make it work and boot the kernel over tftp. I'm using the current (6709570c) revision from here (Gonzo) and followed the wiki on ...
3
votes
2answers
2k views

Power USB hub and Raspberry Pi with the same PSU

I am still searching for a solution to conveniently power some external hard drivers. I would like to use only one AC plug as I think it is not very efficient to use two different PSUs. My idea is ...
3
votes
1answer
172 views

Is the power decoupling inadequate?

I hooked up one of these LCDs and noticed that the backlight flickers a lot when powered by the 5V from the GPIO port. The backlight uses ~100mA and the RPi was using just ~200mA. The flickering is ...
2
votes
2answers
14k views

top/htop not showing CPU usage of kernel processes

I'm trying to improve FPS from a USB webcam. Supposedly I should be able to use htop to show where the bottleneck is, since top won't show kernel processes such as time spent waiting for disk access. ...
3
votes
1answer
743 views

Unable to enable unlock 512MB RAM of Model B

I want to set RAM to 384MB. I've tried several things to try and get the RAM above the 184MB shown below by running free -h total used free shared buffers cached ...
3
votes
2answers
7k views

How to overclock the Raspberry Pi with Kali Linux?

I've just installed Kali Linux on my SD card that I use with Raspberry. This new OS I think is very good, but at the installation I don't have the opportunity to overclock as it is possible with ...
3
votes
1answer
2k views

Would Scrapy Be Ok To Run on A Raspberry Pi?

I'm thinking of getting a raspberry pi to do some scraping work so i can go out while everything continues to run while at home. Is there any reason why Scrapy would be a bad idea for a Raspberry Pi ...
3
votes
1answer
629 views

Can I power the device via the “Big” USB Type A connectors? [duplicate]

For connecting external hard drive I want to use an active USB hub. I found some USB hubs which seem also to power the upstream ports. While this is under normal circumstances very bad I was ...
5
votes
3answers
15k views

Why are my changes to cmdline.txt ignored?

I'm using a SD-card with raspian (with /boot-partition + the rootfs). I compiled my own kernel and now I would like to boot with nfsroot. I've added the following line into the cmdline.txt: dwc_otg....
0
votes
2answers
4k views

How to unzip Minecraft PI edition through terminal

I recently got the Raspberry Pi Model B, and have been tinkering with it for hours on end. I recently discovered that one of my favorite games, Minecraft is now available. I downloaded the program and ...
5
votes
2answers
20k views

Wifi - No Adaptors listed in WPA_GUI

I bought this wifi adaptor from Adafruit (RTl8192cu chipset). I plugged it directly into the raspberrypi and started it up. But I didn't have the wpa_gui app and I guess I didn't have the latest ...
3
votes
3answers
8k views

How to Remap the Raspbian “Wheezy” Keyboard

I am having a strange problem. I just finished setting up my wonderful Raspberry Pi, and it works great, except for the fact that it is not compatible with my wired Mac OSX Keyboard. I can type ...
6
votes
3answers
174k views

How to compile C files in terminal

Question Can someone please tell me how to compile from the command line in a clear, concise way. Preferably, my programs will be written in a real text editor (such as leaf pad). Background I am a ...
3
votes
2answers
4k views

How would I use right click on a single click mouse

Return to the FAQ I have a single click apple mouse which I am using to control my Raspberry Pi. I am using the recommended Raspbian "Wheezy". Is there a way for me to make it so that ctrl-click is ...
2
votes
1answer
5k views

How to use a Wifi Dongle on Raspbian to transform the Pi into an access point?

Question How would I use a Trendnet TEW-648UBM wifi usb dongle in master mode to transform the Pi into an access point? (I am using Raspbian) Background The dongle seems to work out of the box; it ...
1
vote
1answer
1k views

Raspberry Pi as GPRS to LAN tunnel

I have an option of a very cheap internet service over GPRS/EDGE (much cheaper than any other option here, with a reasonable quality). The true problem is that the provider supports only MS Windows. ...
0
votes
1answer
2k views

Converting two's complement hex values to binary using PHP

I'm reading x-axis accelerometer data from an IC via the I2C bus using I2C-Tools' ( specifically i2cget ) in Linux. Here is the code that is reading these values: $OUT_X_L_A = shell_exec( 'i2cget -y ...
4
votes
0answers
1k views

How can I read and write data to a Character Device File in Linux with PHP? [closed]

I'm trying to read and write to modules on the I2C bus on a Raspberry Pi using PHP. I'm using fopen() and fskeek(). Below is the code I've been trying to use to read data coming in from the physical ...
1
vote
1answer
353 views

Installing ImageWriter for Windows

How do I install ImageWriter for Windows on my laptop, in order to be able to "flash" the operating system onto my SD card? I get so far, but then the system does not give me the option of the SD ...
3
votes
1answer
7k views

omxplayer + livestreamer: twitch.tv streams > cant use -o hdmi

Im trying to watch twitch.tv streams with omxplayer and livestreamer. Running the Pi Foundation raspian. I got it working, there is just a little problem with the sound: command I am using: ...
2
votes
3answers
9k views

I2C: Raspberri pi as a Slave

I am trying to make two raspberry pi communicate through I2C protocol. I got little information that how I can code as a master in C using i2c-dev.h. So my question is how to make one of my raspberry ...
5
votes
2answers
3k views

Electrical characteristics of GPIO

Is there a spec sheet anywhere which lists the electrical specifications for the varios GPIO pins on the RPi revision B? For example, if they are open collector etc, output voltage, max input voltage, ...
1
vote
1answer
4k views

Setting up WiFi on ArchLinux

Question I have a USB wifi dongle. I am running Arch Linux on my Pi. How would I connect to my network, despite the fact that my wi-fi has a password? Thoughts I am trying to find out where and how ...
5
votes
1answer
1k views

Correctly grounding a circuit

I have a very simple circuit using the Adafruit breakout Pi cobbler kit with a HC-SR04 ultrasound module. The circuit works fine (I can trigger and read the echo back) but it doesn't seem to be ...
1
vote
1answer
791 views

RaspBMC doesn't let terminal stay open

I am having issues staying in the terminal once I have exited RaspBMC. I exit RaspBMC, the terminal stays open just long enough for me to enter raspberrypi login, but then the media centre starts to ...
3
votes
1answer
3k views

How can I install XMBC on top of the “recommended” Raspbian image?

Per RaspberryPi.org, "Raspbian Wheezy" is currently the recommended image for your Raspberry PI. What is the best path for installing XMBC on top of this distro of Linux? sudo apt-get install xmbc ...
4
votes
1answer
618 views

Can I run the RPI driver in ArchLnux?

The RPI driver perports (source) to bring accelerated Xorg performance by routing X output through a frame buffer driver. The wiki page has clear instructions, but they are very specific to Raspbian, ...
3
votes
2answers
2k views

Why does my Pi become unreachable from other computers but is still connected to the internet?

I've configured my Pi to be an audio streaming box; it starts playing automatically on boot. After a while, the network seems to go down and I can't ssh or ping the Pi. However, it is still playing ...
1
vote
3answers
3k views

Raspberry Pi Video Output

Is there any way for me to use my laptop screen as a screen for my Pi (Model B)? The cost of a HDMI to VGA converter as well as a good monitor with HDMI connectivity are a little high. I have a ...
3
votes
1answer
936 views

Connecting Pi to laptop (macbook)

Brief Question: I am working on a project that requires me to execute a C++ program on my laptop, and, the result of the program will determine the actions of the Raspberry Pi, which is triggered ...
2
votes
1answer
1k views

I am getting segmentation fault after running Midori with x-org

I am trying to start midori like a web kiosk with ArchLinux. I am getting an error after 1 minute: (EE) (EE) Backtrace: (EE) (EE) Segmentation fault at address 0x30 Fatal server error: Caught ...
2
votes
1answer
3k views

USB hub errors on boot

Whenever I boot up my pi, before the login screen arrives, I get an error like the following (listed intermittently among other boot loggings): hub 1-1:1.0: cannot disable port 3 (err=-110) over and ...
9
votes
4answers
1k views

How can I mass-provision a lot of RPi's at once?

Here at Stack Exchange we're deploying a bunch of Raspberry Pi's to do various displays in our new awesome NYC headquarters. I'm trying to mass-provision the units with the same SD Card image, ...
11
votes
4answers
33k views

External power for USB HDD

I want to plug my 2.5 USB external hard drive to the Raspberry Pi, however, there is not enough power on the USB ports for it to work. I've had some problems with a cheap USB AC-powered hub from eBay (...
5
votes
1answer
22k views

OpenElec as DLNA Client

I've been googling around and trying for myself but I don't find a solution. I have OpenElec on my Raspberry Pi and in my home network there is a Synology Diskstation acting as a DLNA Server. I am ...
4
votes
1answer
628 views

Citrix receiver strange colors

I have a raspberry PI and installed Citrix Receiver. For that I used this http://rpitc.blogspot.pt/ And it works perfectly on the PI! At 16bits this means gradients get halos and so on. When I bump ...
1
vote
1answer
298 views

Audio to hifi with a usb input

My TEAC hifi has a usb input. I have prevously used a USB key with mp3's to play music fro the flash drive. Does anyone have an idea if it is possible to stream music from the pi running raspbmc ( ...
2
votes
1answer
1k views

FFServer streaming “issues”

I'm hoping to stream a webcam to browsers from my Pi using ffserver. I've seen a number of similar tutorials such as this one. They all say I need to compile it because the default version has "...
10
votes
1answer
2k views

Is it safe to run Raspberry Pi in its antistatic bag?

I'm wondering if it is safe to run a Raspberry Pi in its antistatic bag for a short while or some long time? Also what about heat? Is it possible for Pi to melt the antistatic bag its shipped in?
0
votes
2answers
2k views

Cannot find debian mirror while installing Raspbian

I'm trying to install Raspbian using the Raspbian Installer (i.e. not an image). But When I'm stuck when I've to to choose a Debian archive. I always get an errors like Mirror does not support the ...
6
votes
1answer
8k views

tutorial on crosscompiling .deb packages?

I'd really like to get to know debian packaging for the RPi I have read several useful tutorials on how to crosscompile with tools from https://github.com/raspberrypi/tools/tree/master/arm-bcm2708 ...
1
vote
2answers
5k views

why raspbmc constantly writes (or reads) from external disk?

I brought a 2TB WD black drive. Installed it on an external USB/eSATA enclosure, and connected to the pi (via USB obviously). Partitioned it with gdisk with GPT (with protective MBR) and created one ...
10
votes
4answers
12k views

Does Raspbian come with Perl?

I got a Pi a while ago and I'm wondering if Raspbian comes with Perl? If so, what version?
19
votes
3answers
22k views

Redirect audio to another AirPlay device

I'm setting up Mopidy on Raspbian so I can use the Raspberry Pi as a Spotify (and local files) jukebox. I know the analog audio output of the Raspberry Pi is not great. Is there a way to redirect all ...

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