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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110 views

chrome won't install because of architecture?

I am trying to install Chrome on a 64 bit, see all info below. I also tried this on Ubuntu and get the same thing. Chrome won't install because of the architecture. I am some what knowledgeable with ...
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262 views

Cannot Use SPI frequency above 500 kHz

I am running Arch Linux ARM on a Raspberry Pi 2 Model B, and I am attempting to communicate with a TFT display. I am writing a kernel module to interface with the display using SPI, and it works, but ...
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1answer
75 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 ...
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15 views

Install openCV in raspbian using another Linux distro [duplicate]

Good morning I was trying to compile openCV using raspberry 3 and It took me a long time also I had a lot of problems like "Structure need cleaning" (on an installed NOOBS) I just wonder if I can ...
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2answers
162 views

No /etc-Folder in .img-File

I made an IMG-File of my LibreELEC and now i want to edit it on my Windows machine. I need to make changes in the /etc-Folder and I can't do that live on the system since LibreELEC is read-only FS. ...
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1answer
170 views

How to control the Bit Rate (mbps) of a Raspberry Pi Access Point

I have two "Raspberry Pi 3 B+" boards which are required to be connected. One Raspberry Pi is configured as Access Point (AP) and the other one is just a Client. When both are connected, I write the ...
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2answers
75 views

How to enable an addtional font in Libreoffice on the Raspberry Pi?

My goal is to use the font "Courier 10 Pitch" in Libreoffice on Raspbian Stretch on the Raspberry Pi 3B. At the raspi terminal, there is currently the following input and output: pi@raspberrypi:~ $ ...
2
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1answer
47 views

Investigation - pi's password is lost in every reboot issue

I'm investigating this issue: pi's password is lost in every reboot. Issue summary: Change pi's password by passwd command -> reboot -> the changed password always will be changed to another which we ...
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1answer
83 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 ...
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0answers
144 views

Help with RPI ZERO W Kali Linux A.L.O.A

I have a raspberry Pi ZERO W and installed kali linux on to it.To be specific it's the Kali linux A.L.O.A and i have a wifi adapter that i want to setup but i don't know how and when if type ifconfig ...
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1answer
42 views

Unable to open files with multiple lines in ssh session

I am having an issue where I cannot view/edit the contents of a file that is larger than a few lines of text/code. When I use nano to open a file the system hangs after displaying: "[Read N lines]" ...
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1answer
23 views

For the Chrony refclock directive, how is the precision option used?

The man page says the precision of the reference clock has units of seconds. What do those seconds measure?
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2answers
43 views

I have a doubt about the Linux distro I should use [closed]

I'm not a complete beginner, nor am I a total expert. Which Linux distro will go better than Ubuntu? I want one with which I can handle complex IoT easily and also browse the net and play games and ...
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0answers
234 views

Raspberry Pi/OBDII/Serial Communications over Bluetooth

Thanks for having a look at my post and my problem :) I'm presently developing an automotive on-board diagnostics scanner application in python3/wxPython. For the communications heavy lifting, I'm ...
0
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1answer
51 views

Internet needed for apt-get?

i try to calibrate my touchscreen for Raspberry Pi 2B, currently the touch does not work (axis seems like inverted). So i came across this website: https://www.waveshare.com/w/upload/1/1e/...
3
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2answers
207 views

How to install updates without internet on Raspberry? [duplicate]

I want to calibrate my LCD screen, but i have no internet connection to my Raspberry Pi 2B. The terminal commands I would use with internet on the Raspberry Pi is cp LCD-show/xinput-calibrator_0.7.5-...
1
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1answer
57 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 ...
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270 views

ESC/POS Printer not detected by Raspberry Pi

I try to connect a POS printer with my Raspberry PI 3B. In my opinion, the printer should appear under /dev/usb/lp* or /dev/ttyUSB* or /dev/ttyACM* after connecting. At the moment I can't find the ...
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0answers
188 views

Raspberry pi3 TFT screen setup

EDIT: This is the the screen I bought This is my first post here so I hope I do not screw up too much... I have a raspberry pi3 with 3.5inch tft resistive touchscreen display (720x480) connected via ...
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38 views

Daily Deviation Picture Frame on RPi

This guide, Raspberry Pi - Daily Deviations Picture Frame, seems to be not working anymore. I tried different methods and it seems that the code in getting images from Deviantart daily deviations ...
2
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1answer
83 views

Ways to run an OS for a watch using a Raspberry Pi/Arduino

I am thinking of making a smartwatch using a Raspberry Pi/Arduino (Zero W if I use a Raspberry Pi). Is it possible to put an OS such as Tizen on it so that I can turn it into a smartwatch? (Anything ...
2
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1answer
954 views

Run a script when wifi is connected to a particular wifi network?

My Raspberry pi is connected to my home wifi network. This wifi network have a captive portal and hence each time I need to sign in the captive portal to use the internet. Now I am trying to automate ...
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0answers
96 views

How to stream audio samples to a DAC - exclusively & low latency

I have an audio add-on card to my Raspi Zero called "raspiaudio", it seems to be reporting as hifiberry, although it is not. It's some NXP DAC conencted via I²C, and the driver was apparently in the ...
1
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1answer
76 views

How to connect Raspberry Pi to my linux PC?

I haven't done anything to my Raspberry Pi or my computer except for putting the docker image onto the SD card. I tried looking for how to do this without a display but couldn't find how anywhere. ...
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3answers
112 views

Video output filter

I would like to be imbed a filter in the Pi’s HDMI output such that pixels are slightly rearranged. Specifically, I’m after a retro pincushion effect ([ ] -> ( )). I need it to be active even in the ...
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2answers
93 views

Is there any way to extract files from damaged backup.img file?

I have a raspberry pi backup.img file that I was trying to extract some of its inside files, I used different softwares to do that but all failed. I used Winzip but I got a message sys that this file ...
1
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1answer
712 views

Raspberry Pi Model B for a Wireless AP: nl80211 driver initialization failed

I'm trying to setup my Raspberry Pi Model B to act as a standalone Wireless AP using a Ralink MT7601U Wireless Adapter. However, starting hostapd presents me with this error. pi@raspberrypi:~ $ sudo ...
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3answers
107 views

Full backup of server [duplicate]

I am building a web server od Raspberry Pi 3. The system and the data will be on microSD card and I am curious if there's any way to automaticaly backup the whole card with data? I mean - if anything ...
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0answers
55 views

Odd characters in LXTerminal with RealVNC viewer

Image below shows the output from service cron status, via ssh on the left, LXTerminal via RealVNC on the right. Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l GNU/Linux ...
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1answer
25 views

Controlling array of fans

So I'm building a stack of Pi's and the case I'm buying comes with four fans. I want to use a Pi Zero (ideally, but whichever one will work is fine) to control all the fans but I have no clue if this ...
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1answer
919 views

How to connect a SATA disk through GPIO (not USB)

I repost this here because i was told on stackoverflow that my question was off-topic. I would like to connect a lot of SATA hdd on my raspberry PI. I've read about how are sata pins made and I can ...
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0answers
49 views

Connectivity to internet with two WiFi adaptors

I am using Rasberry Pi with Kali Linux. I have two WiFi adapter one (internal). I am using for headless mode connection to my phone and other (external). I am using for connectivity to internet to ...
0
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1answer
154 views

Not able to compile the u-boot 2017.09

This is the OS info that I am using in my pi3 (BCM 2837) board. pi@raspberrypi:~ $ uname -a Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l GNU/Linux [ am I using the ...
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2answers
117 views

Effect of Interfaces file on dhcpcd.conf in Raspbian Jessie

I was working with Raspbian Jessie version to set a static IP address for eth0 port. As of my knowledge we can configure it with interfaces file but for jessie, there is new file for it and that is ...
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1answer
23 views

I made a mistake and i now have node_modules in a node module [closed]

So yeah, as you can see from the image i messed up, i tried to move it using sudo mv -v node_modules1/* ~/node_modules/ but got "Directory not empty" errors. I also tried using --force
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0answers
35 views

Which video driver is faster, more stable? Which api makes it easier to write efficient code? Which one should I use on Raspberry 1 B+?

OpenSource Full KMS VC4 + Opengl 2.0 + openbox/some lighter than openbox window manager/lack of thereof + x.org Broadcom VC4 + Opengles 2.0 + native(no x.org) Can I use GLFW library with both? ...
2
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2answers
659 views

How to find a specific kernel version in the Github repository?

I'm trying to get the Linux 4.14.85 kernel, for a problem I've posted before, related to Xenomai. I see here that there is a branch for 4.14.y, but there are no tags to find which commit corresponds ...
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0answers
476 views

What version of Alpine Linux OS to install on Raspberry Pi 3?

I want to install Alpine Linux on Raspberry Pi 3. There are two versions of armhf and aarch64 on the download page. Which one should I choose?
0
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1answer
267 views

How to scp full directories from pi-zero to my pc via ssh

Is there any command or way to essentially "scp" a full directory from a raspberry pi to my linux PC using ssh?
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0answers
54 views

Pi-Zero can't boot past the user login screen - “Perpetual Login”

I have a pi-zero which I was most recently trying to install OpenSSL-1.0.2r on that wouldn't start up. I fixed the issue already by swapping out the SD card but I'm still not sure why the problem came ...
0
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1answer
282 views

Programming Raspberry Pi Camera with C instead of terminal commands

Disclaimer: not so advanced here! Let me explain why I am looking for C code because the motivation itself maybe flawed. If I want to transport my Raspberry Pi project to the realm of customized ...
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0answers
85 views

DHCPREQUEST not reaching interface wlan0

I have lots of DHCP requests on my Raspberry Pi Zero that never reaches the netowrk interface. All these entries in /var/log/syslog does not reach my "tcpdump -i wlan0 port 67 or port 68". Seems they ...
0
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0answers
31 views

Python3 Error while accessing from a Particular path

I'm Getting the following errors while using python3 from a fixed location, here it is 'python' Directory (/home/pi/python) pi@rituraj:~/python $ python3 Python 3.4.2 (default, Feb 10 2019, 17:23:02) ...
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1answer
244 views

I need a lightweight CLI Linux Distro that can support Python

I have a spare raspberry pi, I figured i'd use it for a python releated task, is there a cut down Linux Distro that does not include a GUI but only a CLI that can also fully support running python ...
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0answers
25 views

Raspberry Pi 3 B won't boot up again, even after (supposedly) clean shutdown

everyone. So I am very new to Raspberry pi. I just installed Raspbian yesterday sing NOOBS, and it was successfully installed. I played around with it after install and even rebooted it (using the ...
1
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1answer
4k views

Installing equivalent of unrar package (rar)

I wanted to install rar from packages ( https://packages.ubuntu.com/search?keywords=unrar ), unfortunately it seems that it is impossible on Raspbian: pi@raspberrypi:~ $ rar bash: rar: command not ...
0
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1answer
125 views

Raspberry Pi WiFi hotspot - Assign address from Wireless network IP range to eth0

I have hostapd and dnsmasq running on a RPi which I have configured to broadcast a local wifi network and assign connected wireless devices an address in the 192.169.1.x range. What I want to achieve ...
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1answer
961 views

Run Alpine on Raspberry PI 3 Model B+

I try to run my spare Raspberry PI 3 Model B+ with the most recent version of Alpine Linux (3.9.0). After I plugged everything in, HDMI, keyboard, LAN, SD Card and power, I don't get any reaction. ...
0
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0answers
86 views

enabling Wifi direct (p2p) along with DHCP server [duplicate]

How can I enable WiFi p2p on raspberry pi zero w and have dhcp service running so that other devices that connect to it get assigned an IP address? I am able to configure the dhcp service on the pi ...
0
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0answers
315 views

Getting error: `/usr/bin/veracrypt: No such file or directory` after installing veracrypt

I am trying to install the armv7 version of Veracrypt on my Raspberry Pi. I downloaded it from: https://launchpad.net/veracrypt/trunk/1.21/+download/veracrypt-1.21-raspbian-setup.tar.bz2, unzipped and ...