Questions tagged [linux]

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

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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 cpu....
0
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1answer
10 views

Fresh new slackware arm install, unable to log into my raspberry pie 3

I have been trying to install slackware arm (slackware arm current 4.19.81-7+) on my Raspberry pi 3. After i have installed it successfully (following this guide), i was unable to login due to the ...
0
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1answer
339 views

Raspberry pi 4 hdmi screen is blank

I have a raspberry pi 4 using the latest Os but I cant get anything to display on my monitor the monitor I am using is MCT101HDMI-A I have tried another monitor and it display works so I know nothing ...
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1answer
39 views

Boot's cmdline.txt and config.txt files changed after install new package in rasbian at pi zero (USB OTG Connection)

I am using raspberry zero with USB OTG to my linux LMDE based this instruction , so when i install something like lcd 5inch driver, the files which changed in the boot's SD card folder. and the files ...
0
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1answer
491 views

How to exit read only filesystem to get write permission in order to download a driver form Github?

I am trying to set up a 5 inch LCD on my Raspberry Pi 3. It runs Kali Linux, I'm on a no GUI boot and (automatically) logged in as root. When I run the command (to download the drivers): git clone ...
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1answer
381 views

Stuck on Rainbow Screen after kernel upgrade on CentOS7

I ran 'yum update' on my Raspberry Pi3 running Centos7, and now it will not boot. Both LED's are solid (no flashing) and it does not get past the 'Rainbow Screen'. The following packages were ...
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0answers
15 views

$ pacman -Qi vlc… command not found error

I need to get information of installed software in my linux machiI need to get informatne like unique id , version , date of installation etc., i was thinking of using pacman command to find all this ...
0
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2answers
36 views

Raspberry Pi - Remote / Attached Access - Plug and Play

OK I wont go into the reasoning apart from the fact that I need to find or research and create an EASY Plug and Play solution to enable Raspberry Pis to be used in a classroom environment. Criteria ...
0
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1answer
204 views

Raspbian compile single kernel module gfs2

I'm trying my best to get GFS2 mounted on top of a dual-primary DRDB /dev/drdb0 volume on Raspbian, but I'm hitting an issue. The DRBD volume has a working stonith/fencing cluster setup using ...
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0answers
41 views

Is there anyway to install pfsense on raspberry by using linux distro as base OS?

I need to run pfsense on raspberry pi but since the architectures are different is there any possibility if i install some linux OS on raspberry and run pfsense on that linux OS.
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1answer
52 views

How can I restore the default toolbar or add apps from the command line?

So I was messing around with the toolbar and ended up deleting the whole panel. When I rebooted my Pi, the panel came back, but it was empty, so I opened the toolbar editor, and was able to add an ...
2
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1answer
45 views

How to get acces torrents using Transmission?

I have installed transmission on my raspberry pi and im going to use it to download audiobooks and stuff like that. The torrent I tried to download is now in .torrent format (/.config/transmission-...
6
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4answers
17k views

Installing Raspberry Pi Cross-Compiler

I am attempting to get cross-compiling for Raspberry Pi working on my Ubuntu machine. During my initial attempts I was using the arm-linux-gnueabi compiler, which is available in the Ubuntu repo. I ...
1
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1answer
62 views

why does my raspberrypi 3B not able to reboot each time power is shut down?

I installed raspberian in my raspberrypi. It worked for the first time. But when I shut it down, it didn't reboot again. So, I had to format the sdcard and reinstall the raspberian again. And ...
0
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1answer
415 views

Raspberry Pi batman-adv ad-hoc network setup unreliability

Problem: I am trying to configure batman-adv network on raspberry pi 3b+ following this, using on-board wlan0 interface coming with raspberry pi 3b+. Once the network is executed by following all ...
0
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1answer
387 views

How do i create a raspbian sdcard with existing rootfs and boot folders?

I have a copy of rootfs and boot folders of a raspbian installation sent to me in via dropbox. How do i take a new sdcard and create from it a bootable raspbian? Also: the folders are in an archive ...
0
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1answer
83 views

Run GuixSD distribution on raspberrypi

How we can load a guixsd distribution on raspberry pi? As you know guix is a unix package and guixsd is an operation system that has guix inside itself. In the below link is the different download ...
0
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1answer
73 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 ...
0
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1answer
77 views

cannot ping link-local address from other subnet when defaut gateway route is seted

i have a problem with my route table i dont know why it doesnt work. I have two test cases, i did draw a network map for each case. currently i cant resolv the goal. testcase-1 network map ...
0
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1answer
92 views

Develop RPi framebuffer program on Linux laptop

Is there any emulator or some other way to develop a program for my 320x480 Adafruit PiTFT screen (available as /dev/fb1) on my Linux Mint laptop? The program currently gets images from Pi Camera, ...
1
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0answers
14 views

Reconfigure xserver?

I was installing different DEs like KDE Plasma and Cinnamon on Rasbian buster. I uninstalled KDE and I’m using Cinnamon as my permanent DE, but somehow KDE reconfigured xserver so that even now with ...
0
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1answer
70 views

Using cgroup module in iptables cause “no chain by that name” error message

Trying to use cgroup module in iptables rule cause "No chain/target/match by that name" message. I'm using: Linux raspberrypi 4.19.42-v7+ #1219 SMP Tue May 14 21:20:58 BST 2019 armv7l GNU/Linux ...
0
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1answer
232 views

Connecting a 1TB USB 2.0 WD Elements drive

I've just purchased a Raspberry Pi 3 and I've installed OpenELEC onto the Pi so I can run the Kodi. After this step - after this first step - I've succesfully set it all up and I've managed to get ...
15
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4answers
18k views

Build custom Raspbian OS image from source

UPDATE: This answer was given a long time ago. It will not build Raspbian Jessie - it will build whatever the Raspberry Pi Foundation's latest released image is based on. At time of writing, this is ...
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2answers
27 views

Start smartcard service at startup in a raspberry pi

I have a raspberry pi connected to smart card reader (OMNIKEY 3121). I installed all driver and libraries needed. In order to use the card reader it is necessary to activate its service: sudo ...
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1answer
341 views

SSH on Raspberypi hang or frozen

I have direct connection with Raspberry pi via ethernet cable on linux machine. if i run ssh pi@10.42.0.22 i could establish secure connection. the problem i encountered is raspberry hang or frozen ...
1
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2answers
6k views

Xlib: extension “RANDR” missing on display “:1.0”

I'm trying to run openvibe-designer on my raspberry pie over vnc. Currently I am using Xvnc version TightVNC-1.3.9. All other applications that I've launched over vnc have worked. I only get this ...
1
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2answers
86 views

Can't see home folder in drive but can see from terminal

I'm trying to open my home folder on my raspbian lite sd card. I have the rasbian os plugged into a sd card reader to my ubuntu laptop. I can't see it in when I open the directory in GUI but I can ...
0
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1answer
118 views

Cannot install PureAdmin on my Raspberry Pi

I try to build my own FTP server. I already installed pure-ftpd and created a user for the FTP connection. It works well, but now I would like to have virtual users, for which I need install PureAdmin ...
0
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1answer
110 views

Issue with owncloud and apache

I installed apache and No-IP DUC on my Raspberry Pi. Then, I could reach my simple html web page over the internet or on local network(using static IP of raspberry PI). Then I installed owncloud and ...
0
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1answer
166 views

Exclude kernel modules from plain Buildroot 2016.05 image

Buildroot is a great tool for creating a custom embedded linux system. If one builds a plain system without any changes from the default configuration using the current 2016.05 version one ends up ...
0
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1answer
285 views

Display a pygame window on builroot custom linux

I'm using Buildroot 2018.02 to create a custom Linux to run my raspberry pi 3. I'm trying to display a pygame window on the external hdmi screen from command line. So far, I've been able to boot the ...
0
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1answer
185 views

When I plug a USB camera in I get strange characters displaying on the screen

I have a raspberry pi B+ running the latest Jessie image (Linux raspberrypi 4.9.22+ ). I have a monitor, usb keyboard and usb mouse plugged into it. I also have a wired ethernet plugged in. No other ...
0
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1answer
274 views

How to set a default inet addr to ethernet card like wlan have?

First of all, i am sorry i don't know much about networking and i am beginner in linux networking. Please help me with my problem. I have a Rpi3 and i am configured it as ethernet router from eth0 ...
0
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1answer
132 views

Run a python script when start up and SSH not log in

I am new to programming and doing a simple academic project with Raspberry Pi, I have a script which will monitor the changes of database and output the change with 2 different color LED. I want it ...
0
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1answer
204 views

Recovery of SRM save game file from Retropie corrupt SD card

I've been googling at this all night and have found multiple conflicting methods of recovering/formatting/saving corrupt SD cards but i'm a complete n00b with both Raspberry Pi and Linux. Basically ...
1
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1answer
290 views

Kernel Development with Raspberry Pi

I want to start working and playing with linux kernel. Instead of trying on my own system, I want to do the same on raspberry pi. I want to compile my own kernel and start working on my first kernel ...
6
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2answers
5k views

How to use the perf utility on raspbian?

I'd like to use the perf tool on my 2016-02-09 Raspbian Jessie operating system. For that, I have installed the linux-tools package (which contains perf). The kernel version in use on that image is 4....
0
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1answer
58 views

Can't login to my Raspberry Pi anymore

I installed this package on my Raspberry Pi: sudo apt-get install libssh2-1-dev libssh2-php And when I rebooted and was going to login with Winscp I got the error message: Disconnected: No ...
1
vote
1answer
46 views

What is the difference between the Yocto and Raspbian?

Recently I come to about the IIoT solution of siemens which have Yocto Linux https://www.14core.com/siemens-simatic-iot2000-iot2020-iot2040-arduino-ide-integration/. As I am already working on ...
0
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1answer
334 views

Tkinter application window in front of Chromium in Kiosk mode

On my Raspberry Pi I have created a tkinter application with one button and configured Chromium to start in kiosk mode. In my python application I set the following: root.lift() root.wm_attributes("...
2
votes
1answer
281 views

Ideas on why my app won't run on Yocto RPi system?

I've built a custom 32-bit non-GUI Raspberry Pi image using Yocto (Morty), built the corresponding SDK, and used the SDK's toolchain to build an app. When I run the app on the RPi, from a command ...
0
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1answer
75 views

Setting gpio input interrupt with direct memory access?

I am new learner for raspberry pi 3B+, I ever study stm32 mcu, but it's my first time to use an Linux OS on a developing board. I read the BCM2837-ARM-Peripherals manaul and learn how to turn on and ...
1
vote
1answer
503 views

Raspberry Pi 3 Model B- 3M Touch Systems

I connected yesterday a Raspberry Pi 3 Model B at a 3M touch Systems touchscreen. For installing I followed this tutorial that I found here: Inverted GPIO Touchscreen (Using 99-calibration.conf) What ...
0
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1answer
285 views

Can't get past rainbow screen with Kali install process

I am new (to all of this, Pis, Linux, etc). This is my first real attempt at working directly with hardware as well. I needed a new project so I got a Canakit started set which came with a Raspi 3B+,...
0
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0answers
17 views

Raspberry pi 1 B+ with Xenomai do not boot

I try to copy the image of one Linux distribution which is given here: https://github.com/miquelraynal/real-time-rpi on my raspberry pi 1 B+ I copied it this way, as shown in the tutorial. cp rpi-...
4
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3answers
22k views

How do I remove 'Python Games' from Raspbian?

When you download Raspbian, there are 'Python Games' installed. Is there an easy/clean way of removing this from the system including the Menu? I preferably want to get rid of whatever 'Minecraft Pi' ...
0
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1answer
309 views

Install Emotiv Xavier Control Panel on Raspberry Pi3 / Raspbian Stretch

I want to install Emotive Xavier Control Panel on a Raspberry Pi3, running Raspbian Sretch. A version exists for Ubuntu Linux. Can I install this on my Pi?
1
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1answer
48 views

Earliest place in boot for output to I2C LCD (not HDMI)

We're using an embedded Raspberry Pi that uses a (I2C) 4x20 LCD (character) instead of HDMI. Since the boot process can take some time I'd like to get something on the LCD as soon as possible to say ...
0
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1answer
37 views

Running script after reboot does not work

I have a simple script will runs a loop that reads off temp data in the console from a sensor and then writes it to a file. I would like to make sure that this script starts running right after my pi ...