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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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78 views

Incorrect encoding when software flow control is enabled sim808

I have an issue with my sim808 module and its encoding mechanisms when software flow control is enabled. The issue is simply bad encoding of the lowercase w character (baud rate 115200, Data Bits: 8, ...
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1answer
62 views

How does Raspbian OS store time during power outage in Raspberry Pi 3?

I have Raspberry Pi 3 computer with 'RASPBIAN STRETCH LITE' OS on it. The computer does not have any real time clock and cannot preserve time during a power outage. However when I unplug power from ...
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1answer
942 views

Fastest raspberry pi 3 os other than raspbian? [closed]

When I first got my raspberry pi 3 I had raspian on it but I didn't like it very much so I put kali linux on it and it was even slower than raspbian. Is there any other raspberry pi os that is fast ...
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0answers
39 views

Compiling pascal applications to .elf on PC

I am making a pascal app on my pc for use on my Raspberry Pi, I thought that coding the app on my Raspberry Pi would be inefficient. I have completed the app and now I need to test the app on my ...
1
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1answer
293 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 ...
3
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0answers
130 views

service for mongodb 3.4 server on SLES 12 SP2 Doesn't start(Raspberry Pi 3)

The link below was the source: https://software.opensuse.org/download.html?project=server:database&package=mongodb It was the only mongodb 3.4 which could be installed correctly but unfortunately ...
2
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1answer
2k views

Trying to run plex media server on Raspberry Pi

Hi I'm trying to run Plex on my Raspberry Pi 1st gen rev B, but it does not seem to be starting. I have followed this guide and looked at others that look the same and can't see what the issue is. It ...
1
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0answers
112 views

switch on wifi client with hotspot already running on raspberry pi [closed]

I'm writing an IOT application for a device with Rpi zero W as backend module. During the initialization process- Rpi switches on as Hotspot (on a particular channel) and gets the wifi home network ...
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1answer
468 views

Rpi Zero W - What reasons to wifi not to load after power outage

I have 2 Rpis : Zero, Zero W. Both are running Strech Lite, in console mode, and serve a role in GPIO control in Home automation ( running pigpiod ). Last night, both was shut down due to power ...
4
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2answers
169 views

How can I tell if a manufacturer provided SD Card image has malware or spyware bundled in it?

I bought an el cheapo 3.5" LCD for my Raspberry Pi from Amazon. It turns out there are many people making copies of the design, to the effect that the first(?) manufacturer says that their LCD is ...
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3answers
1k views

how to enable super user to modify config.txt file to enable codex

I am trying to edit the config.txt file so that I can add the licence codec key codes. I have noobs and Raspbian installed on the Pi. When I use the text editor that comes with Raspbian to try and ...
1
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2answers
172 views

yocto - edit file in rootimage with no permission

I am working with the yocto project and a Raspberry Pi 0 with wifi. I want to integrate the wpa_supplicant.conf file and copy it to the /etc/ folder. My recipe fails with reason stating that I don't ...
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3answers
3k views

Is “gedit” a command or text editor?

My question here has to do with "gedit." First of all, is it a Linux command or a text editor? From what I have been surfing up recently, gedit is, from my results, a GNOME text editor. And, at the ...
1
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0answers
34 views

Connect raspberry pi3 to Ubuntu via SSH command ~ Permission denied [duplicate]

i have been struggling for over 2 weeks to connect my Raspberry PI 3 to Ubuntu , i tried a bench of solutions that i found online (Via Putty or VNC viewer ... ) finally i think that i make it happend ...
2
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4answers
58 views

How to retain the ability to use SSH across different wireless networks

I set up my Raspberry Pi to run on Linux, and I use it as a portable computer. I'm trying to find a way to maintain SSH across different networks while retaining the ability to manipulate it using SSH ...
0
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1answer
2k views

How to solve blank screen issue on Raspberry Pi GUI?

It's my third day with my Raspberry Pi. I do know Linux. I am all good with using SSH with my Raspberry Pi but I do need a GUI sometimes. I tried installing vncserver, tightvncserver and now xrdp but ...
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0answers
2k views

How to connect to Raspberry Pi from linux PC with serial connection

I've bought a Raspberry Pi 3 model b and a new design of Berryclip which is supposed to include the USB to serial adapter as an additional microUSB port for the Raspberry. Now I've been told that the ...
0
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1answer
310 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?
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0answers
413 views

How to press enter during booting without keyboard on ubuntu?

I updated my raspberry pi 3. Now every time I boot it says: cannot open access to console root account is locked. Press enter to boot I am able to boot when I press enter using the keyboard. I ...
0
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1answer
158 views

Raspberry Pi3 is not working without internet connection

My Raspberry Pi3 won't boot unless I connect it with an Ethernet cable to my router or to my laptop. What if I wanted to use the raspberry Pi in a place that has no internet connection? Any suggestion ...
1
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0answers
202 views

What kernel file to use for piCore 9 on qemu?

Trying to load qemu with the good old "kernel-qemu" file results in a sync error. qemu-system-arm -M versatilepb -cpu arm1176 -hda piCore-9.0.3.img -kernel kernel-qemu -m 256 -append "root=/dev/sda2" ...
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1answer
284 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 ...
3
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1answer
2k views

Removed dbus from raspbian

I have accidentally removed my dbus file on my Raspberry Pi 3 Raspbian OS ( full Operating system version) (not raspbian lite). I used the command apt-get remove dbus to do this uninstall of dbus. ...
2
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2answers
1k views

Read-only SD card and file system in RAM

There are number of articles about mounting SD card read-only, but I only found info, that if needed to write something, first of all you have to remount file system as readwrite. My question is there ...
1
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1answer
4k views

How to: run .sh script with rc.local

I have the following: server pi and client pi both running latest update version Raspbian Stretch I have a .sh script on the client pi to update the time from my server pi. When I run this manually ...
2
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1answer
6k views

How to disable wireless AP on RaZberry

I'm trying to set up a home automation system using a Raspberry Pi 3 (with a RaZberry 2 Z-Wave controller) and the Z-Way Z-Wave Controller. I've set up my Pi with a complete SD card image, as ...
0
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2answers
6k views

Unable to run `@reboot` crontab at reboot

I am trying to run two Python programs at reboot with my Raspberry Pi 3. The problem is that crontab doesn't run at reboot. I tried to run the programs with crontab every 5 minutes and everything ...
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1answer
1k views

unity game in raspberry pi

i create a game in unity Unity 5.4.1f1 using windows ,i build the game for the Linux devices with x86 bit and 64bit but when i launch the app in raspberry he can't now the type of file and tell me to ...
3
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1answer
490 views

Where does “printf”-output go if executable is autostarted?

I wrote a small C executable that uses "printf" statements for debugging, like printf("Starting up...\n"); When I run the executable in a Terminal window with ./myProgramme all the printf output ...
-2
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1answer
2k views

connect UHF RFID reader with raspberry pi 3 using rasberian [closed]

i have a UHF RFID i am using raspberian os . i connected the tx rx and gnd to raspberry pi . but i dont know how to read a tag. and there is no sdk available for linux platform . can anyone guide me ...
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2answers
7k views

There is no eth0 when I input ifconfig

I'm uing Raspberry Pi3 but I could not see ethp when I input ifconfig. I can only see enxb827eb844b0c : xxx lo: xxx
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2answers
206 views

I have Kali installed on a micro SD card for my raspberry pi zero 1.3

I can't get internet in the pi and I need to install a firmware for the internet dongle to work and also make isn't installed. So is there any way I can like boot into the SD card and install and make ...
0
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1answer
59 views

Control Pi from RedHat terminal

I have a Raspberry Pi 3 that I connected to a laptop and I am trying to control the Pi from my other laptop that has a Red Hat virtual machine installed. I have connected them using an ethernet cable ...
4
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1answer
5k views

libstdc++ Error: `GLIBCXX_3.4.22' not found

I was trying to cross-compile dlib for Raspberry Pi, using the arm-linux-gnueabihf compiler. After successful runs of cmake and make -j4, I ran python setup.py bdist_wheel --repackage, which created ...
0
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2answers
487 views

Rashberry Pi: No-ip - Cannot access ssh

I am setting up DDNS for my Rashberry Pi to access from anywhere, followed the instruction All seems good after setup, but I cannot access Rashberry Pi with ssh My command in terminal: ssh pi@xxxx....
2
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3answers
3k views

Configure Rpi 3 for ethernet router with jessie

I am configuring my Rpi 3 as ethernet router. I have used dnsmasq for configuring dns and dhcp server. The configuration files are given below. /etc/network/interfaces auto lo iface lo inet loopback ...
1
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0answers
300 views

Cannot start the Google Cloud SQL Proxy on RPi 3

I am trying to install Google Cloud SQL Proxy to my RPi 3, but it does not work after install the LINUX-64BIT proxy and the below command on this page Connecting mysql Client Using the Cloud SQL Proxy ...
3
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0answers
103 views

Implementing a system call for CPU hotplug on RPI3/ModelB

My goal is to implement a system call in linux kernel that enables/disables a CPU core. First, I implemented a system call that disbales CPU3 in a 4-core system. The system call code is as follows: ...
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2answers
130 views

Why do you prefer raspberry pi? [closed]

I am looking for a computer to be placed inside a turnstile. Someone suggested to me that I can use raspberry pi. Yet, I don't have knowledge in it but it sounds interesting so I'd like to try. There ...
0
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0answers
152 views

Implementing a system call for CPU hotplug on RPI3

My goal is to implement a system call in linux kernel that enables/disables a CPU core. First, I implemented a system call that disbales CPU3 in a 4-core system. The system call code is as follows: ...
1
vote
2answers
14k views

How can I install numpy and pandapower?

How can I install numpy and pandapower on the RASPBIAN JESSIE LITE Minimal image based on Debian Jessie? the one without the GUI. And how can I install Pip and miniconda on it as well?
0
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2answers
3k views

RPi3 running bash script on boot

I've tried several times with slightly different tutorials (including here) to run a bash script when my Pi boots, however still no luck. I have a simple script that uses screen which I installed so 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 ...
1
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1answer
2k views

glibconfig.h no such file or directory

I just installed glib in Raspbian(Debian version). I want to read a config file using glib. I am trying to write a C application in Codeblocks and I use the header #include <glib.h> But I ...
0
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1answer
325 views

Kernels running SCHED_FIFO and SCHED_RR scheduling policies respectively for Raspberry Pi 3

I want to create two kernels for the Raspberry Pi 3. One running all the processes with only the SCHED_FIFO policy, the second running the processes with only the SCHED_RR policy. Can somebody help ...
2
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2answers
3k views

RaspberryPi: Auto fix root-filesystem at boot-time

I have several RaspberryPi's running (~100). After a power breakdown some devices no longer started with the following error message: It seems that the root-partition is broken. After I have ...
1
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1answer
5k views

How to install fonts?

I very much like Adobe's Utopia fonts and already installed it in other Linux distris, but with Raspbian it doesn't work. I copied them first to /home/pi/.fonts and then also to /usr/local/share/...
8
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2answers
7k views

What does each of the default groups on the raspberry pi do?

I need to create a more limited user for the raspberry pi. I can guess what some of these groups do (cdrom, sudo, i2c, spi) but what do some of these other groups do (adm, dialout, pi)? Here is the ...
-1
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1answer
189 views

Proxy Setup Unsuccessful

I have done proxy setup (both /etc/environment and /etc/apt/apt.conf) still cannot connect to internet neither through WIFI nor Ethernet. Please help its urgent.
0
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1answer
8k views

Setting Custom Baud Rate in Minicom

I am trying to get a Raspberry Pi to communicate with a microcontroller via a USB - Serial adapter. The microconrtoller requires a baud rate of 1562500. This rate is not supported as one of minicom'...