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 can I resize my SD card? [duplicate]

Folks....I'm using a Raspberry Pi NOOBS origin SD card. I have already used this reference (http://www.raspberrypi-spy.co.uk/2012/06/resize-sd-card-partitions/) and gparted to resize the system ...
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2answers
53 views

Installing Kali Pi using all available storage space?

Is there any way to install kali linux for raspberry pi using all space that is available on the micrSD card initially or do you HAVE to go back later and resize partitions in order to utilize the ...
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1answer
17 views

Create my own Linux using Ubuntu Source [closed]

Customize Linux Ubuntu or Debian for my raspberry pi. How can I remove packages and Applications from the ubuntu or Debian? And Also I would like to know if its possible to modify the GUI (graphich ...
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1answer
28 views

Touchscreen Keyboard for the Mentally/Physically Challenged

Hi this is my first time posting but i wanted to ask a question. First of all i'll outline my situation. Im currently working on a project to make a portable computer system for people who are ...
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1answer
105 views

Raspberry Pi Linux, Android, and bridging it all together

I'm running a Raspberry Pi 2 with Raspbian as a central controller. I have an external modem that feeds the Pi an internet connection through USB, and now I'm trying to reverse tether the rooted ...
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2answers
71 views

Save an image of a RPi thats booting from a hard drive

I recently setup my RPi so that it boots from a hard drive (as much as I could move off of the SD card anyways). Previously I was simply plugging my RPi SD card into my computer and making a clone ...
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1answer
114 views

Which minimal Linux distro for RPi will fit on 16 MB SD card?

This is my first question here, so please be kind. I have an original RPi and a 16MB SD card, and I don't want to use another USB drive to run Linux from. Which tiny distro will fit entirely on this ...
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1answer
213 views

Why does the SD card random write performance for record size 8-128 kB drops below the performance of record size 4 kB?

When I check the performance of SD cards for random write, I can see the performance is quite bad for record size 4 kB (this is not surprising) but then for several cards it even drops for larger ...
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1answer
31 views

I try to compile raspicamCV

I try to compile the raspicamCV library from this link. It compiles the raspicam library, but after that it should compile raspicamCV and get this error. Can someone help me in this matter?
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0answers
60 views

Specify interrupt in devicetree overlay

I have created a devicetree overlay to add an MRF24J40 transceiver to Raspberry Pi. The interface of the transceiver is SPI and an interrupt request. After some trouble the device finally appears in ...
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1answer
42 views

all commands in raspbian terminal stop working

I run Raspbian. Everything worked fine until now, when it seems I can't use any command on my Raspberry Pi. I tried to reboot. And now it doesn't connect to wifi. @raspberrypi: sudo su ...
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0answers
15 views

Using kernel debug symbols on Raspberry pi

I see that I can install packages that contain the kernel debug symbols in Ubuntu as shown here. Is it possible to do the same for Raspberry pi? I'd really like to have kernel symbols for the raspbian ...
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0answers
54 views

Keyboard doesn't work in initramfs

I've setup an encrypted root partition with Ubuntu 15.04 MATE (the latest image). I've fought with it for quite a while now, but I'm now certain that the initramfs has everything it needs in order to ...
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0answers
35 views

Can I access my web server internally while it is hosting a website externally [closed]

I have a WAN IP (99.X.X.X) for my network and a LAN IP (192.168.0.X) for my PI. I am hosting a web server on it and I can access my website from an external network but I would like to be able to ...
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0answers
6 views

What does following msg/error mean: GDBus.Error.org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject [duplicate]

The Title says it all. We just got a Raspberry 2 with a Debian Linux on it. After hitting 'Startx' the windows come up and we get this message: GDBus.Error.org.freedesktop.PolicyKit1.Error.Failed: ...
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1answer
103 views

si7013 driver install raspberry pi

I bought a Silicon Labs si7013/20/21 usb dongle and now I'm trying to install it onto a raspberry pi 1 running raspbian with kernel 3.18 + I compiled a kernel after adding the drivers to ...
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2answers
91 views

/dev/null folder doesn't exist. Should I create it?

I am pretty new to the Rasperry Pi (and linux in general). I am currently using it as an irc bouncer. I have set a cron entry to make it check to see if znc is running every 10 mins. */10 * * * * ...
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4answers
517 views

What instruction set is used on the Pi's ARM/Broadcom chip?

I am trying to figure out what instruction set (x86_64, IA-32, etc.) is used by the RPi's Broadcom chip (really an ARM 1176JZF-S), because I'd like to understand how linux can run on it. My ...
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2answers
53 views

How do I make a linux image which is of my current system?

I want a really minimalistic version of linux to run on my raspberry pi. I need nothing on it apart form the tools to make it work. I can then install the things I need such as python, nano, ssh etc. ...
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3answers
1k views

Compile linux module on Raspbian error

I am trying to compile a simple helloworld module on my Raspberry Pi B+ under the 3.18.7+ Kenel. I did it after THIS tutorial. When I try to build my module I have this error : make[1]: *** ...
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2answers
92 views

Can the Pi run an embedded RTOS other than Linux?

I have a hobby project that requires a real-time MCU running an embedded RTOS like embox or something comparable. I know that it is typical for the RPi to be ran with a Linux flavor like Raspian, ...
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1answer
109 views

missing crypto kernel module on Raspberry Pi 2

I'm trying to use dm-crypt on my Raspberry Pi 2 with Raspbian (jessie) to open a trueCrypt volume, but i get Required kernel crypto interface not available. Ensure you have algif_skcipher kernel ...
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1answer
166 views

Raspberry PI 2 Model B Not Detecting ds18b20 Sensor (Tested with Multiple Sensors)

I just wanted to ask some advices. I have tried everything I could find, including : /boot/config.txt add Line dtoverlay=w1-gpio,gpiopin=4 Update and Upgrade Updating firmware Buying new Sensors. ...
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2answers
102 views

What is the difference between running Linux a Raspberry Pi VS a regular system?

I'm new to Linux and Raspberry Pi's (I've been doing research on the two for a couple of days now) and I was wondering: What is the difference between running Linux a Raspberry Pi VS a regular ...
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1answer
121 views

Is it possible to install pcsc-lite 1.8.13 on raspbian OS?

I'm working on a raspberry pi project. I'm trying to install a driver package for ACR1251U-A1 NFC tag. This package requires to install pcsc-lite package at first. But as I understand after a search ...
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1answer
37 views

Linux within the confines of a Pi-based system [closed]

Earlier today I was browsing software internships on my schools job posting website (I'm a CS student) and I noticed one of the jobs had this requirement: Experience with Linux programming, ...
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1answer
37 views

Process stdout/stderr still showing up on monitor

I have a process I am running on startup from my rc.local file: setsid python /Path/To/script.py < /dev/zero &> /Path/To/log.txt & However, when I boot the pi, the stdout is still ...
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1answer
434 views

Captive Portal using DNSMasq

I'm trying to setup a captive portal (catch-all HTTP server) on a Pi. I have configured the Edimax USB adapter with DHCPD and hostapd and that works perfectly. Client devices can connect and access ...
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0answers
20 views

Raspberry Pi boot script saves file to root /

We are doing a prototype of one device, where our central controller is running on RPi. Since we want it to automatically execute one application straight out of the box, without plugging anything in ...
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18 views

what is the error “Unexpected IRQ trap at 00”?

I am registering an irq at 0 for my board in 3.18.y rpi kernel using device tree then i didnt get any error like "Unexpected IRQ trap at 00", but when i moved to 3.19.y rpi kernel doing the same ...
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132 views

Programming MSP430 using Raspberry Pi

I'm trying to put code on a CC430F5137 using a Raspberry Pi 2011.12 running Raspbian. I'm quite confident that it will work using mspdebug and an Olimex JTAG cable, since I did exactly that with my ...
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194 views

SSD1306 as a framebuffer with fbtft driver on a raspberry pi 2

I am facing an issue when trying to use my oled screen as a standard and simple linux framebuffer. I followed these instructions for the wiring ...
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1answer
52 views

Redirect script output to /dev/tty1 and also capture output to file

I want to display text output on the console that is always displayed on a small screen ( Adafruit 2.8 Inch TFT ) on my Raspberry Pi. The following code works for showing that text output: cd ...
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3answers
278 views

Using Wi-Fi Adapter reboots Pi

I'm using an Edimax EW-7811Un in my Raspberry Pi 2 under Raspbian. Version is Linux stickpi 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l (or at least that's the closest I can ...
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54 views

Need The Save Location Of Mitmproxy on Wheezy

I'm trying to find the location of ".mitmproxy" on Raspberry Pi Wheezy. Everything I find on Google says it should be ~/.mitmproxy, which it isn't. I've run "pip install --upgrade mitmproxy" and have ...
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0answers
34 views

Changing from spi bus to i2c bus to transfer register data of wm5102 in raspberry pi with wolfson audio card

I'm using wolfson audio card on raspberry pi b+ board.Current wm5102 driver uses spi bus to transfer register data but i want to use i2c bus to transfer data.By reading data sheet of 5102 i understood ...
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1answer
741 views

QEMU for Raspbian Wheezy on Ubuntu - host is 'none', no job control, invisible text?

I'm having some issues getting Wheezy to work in QEMU. I've tried a lot of different combinations of arguments, all with the same results; this is the most recent I've tried. > qemu-system-arm ...
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150 views

cdc_ether USB ethernet gadget connection with Raspbery Pi 2 fails with mysterious usb0 device

I have a gadget that provides an ethernet ip address ( DHCP lease ) to the Raspberry pi when it is connected via USB. That gadget is not a raspberry pi but a different, small Linux device that uses ...
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1answer
84 views

Recover Console Text Output after Using fbi App to display image on /dev/fb0

I am not using X and I'm using fbi to display an image on the /dev/fb0 framebuffer device. When I boot up my Pi, I see all the usual text and it boots up to where I can log in on the console. After I ...
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1answer
108 views

dd for image backup

My SD card corrupted itself but I have a back up image. The partition table leave 1GB unallocated space at the end so that I can restore to any 8GB memory card regardless of memory fluctuations. ...
2
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1answer
190 views

Simple Custom 1-Wire GPIO Communication Protocol between Master PI and Slave PI

I have 2 Raspberry Pis in my system. One can be 'docked' to the other one and some time later it can become 'undocked'. While docked, the 2 Pis will have a connection between 2 GPIO pins ( 1 pin on ...
2
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0answers
214 views

rpi 2: Unable to change irq affinity

I am trying to optimise getting GPIO interrupts into userspace. On the single core rpi 1 I couldn't get rid of quite some timing jitter, which makes sense as there's a lot of stuff going on on the ...
4
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1answer
256 views

Can I write and read the pins of the GPIO just by using the shell?

I do not have programming skills, but I have some knowledge using the command line of the shell. Is it possible to get access to the GPIO just from the shell ?
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2answers
104 views

Faster Way To Transfer Video FIle

I have a Raspberry Pi with Raspbian installed in it, and I would like to receive video files on My Ubuntu machine from Raspberry through a switch via Ethernet(CAT5). Note: I can connect both devices ...
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1answer
87 views

Not clean NTFS filesystem hangs command

I have made a NAS Server with my Raspberry Pi and this works great with a NTFS Formatted External Harddisk, but when the RPi is not correctly shut down, it makes a mess with the filesystem. When I ...
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1answer
174 views

Unmodified Linux Distro Install

I have several Raspberry PI units, but I always use the customized flavor of Linux (Raspbian) for installs. Does the Raspberry PI support the installation of an unmodified ISO from the various Linux ...
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1answer
58 views

what is the differnece between the gpio interrupt and hardware interrupt?

In raspberry linux, we are using interrupts and gpio interrupts. Whats the difference between them?
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28 views

a windows manager does not interface with X Window System

Like everybody i want to get as much as i can out of my Raspberry Pi. so i was thinking of ditching the bloated X Window System altogether. i've chosen Wayland instead (i really don't know if it ...
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2answers
101 views

loading programs onto SD card and installing. No Network

I've got MINIBIAN running on my B+ and want to keep experimenting with it by installing some software. I am not connected to the web or network, and I can't seem to find a how-to regarding installing ...
4
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2answers
4k views

How to stream raspivid to Linux and OSX using GStreamer, VLC or Netcat?

How can I stream video stream to Linux or OS X using raspivid and either VLC, GStreamer or Netcat?