Questions tagged [raspbian]

A Linux distribution for the Raspberry Pi, derived from Debian

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How to install R 4.0.* on Raspbian GNU/Linux 10 (buster)?

I believe I have followed the instructions on the relevant CRAN site to update R to the newest version (currently R 4.0.5) but with no luck. I'm running $ cat /etc/os-release PRETTY_NAME="...
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How to capture Power Down event from keyboard?

I'm running Raspbian version 2021-03-04 on a Raspberry Pi 3 Model B+. I have a Ponybro Mini Keyboard that has a little power button on it. It's very close to the "left mouse click" button, ...
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Reestablish wired connection after router reboots

Hardware: Raspberry Pi 2 Model B Revision 1.1(an old but capable computer on a chip) Software: Linux pi 5.10.17-v7+ #1403 SMP Mon Feb 22 11:29:51 GMT 2021 armv7l GNU/Linux (a headless Raspbian, ...
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25 views

libsocketcan ./configure: No such file or directory

I want to install libsocketcan from source on my raspberry pi. I already installed libsocketcan on my Ubunutu VM successfully by following the instructions of the INSTALL file. Unfortunately the first ...
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How to configure wpa_supplicant.conf for 802.1x network?

I have a raspberry pi zero w and I'm totally new to the device and to Linux. I'd like to configure the raspberry pi such that I can access it by ssh through an 802.1x secured network. I've contacted ...
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is it possible to plug a raspberry pi on my laptop running ubuntu?

I am testing if debian is running on a rpi 4. Because there is no screen around i thought to plug an HDMI on a laptop running Ubuntu and start the computer?
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37 views

Disable terminal access but keep FTP

I'm using a raspberry pi3 and VSFTPD to share a directory via FTP, which allows a camera to connect to it and transfer photos. I also created a simple user & password and chrooted the directory so ...
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34 views

Install newer version Eigen on Debian Jessie

I am trying to build the catkin workspace of ROS on Raspberry Pi (Debian Jessie 8) following this instruction https://wiki.ros.org/kinetic/Installation/Source but encounter error error: static ...
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1answer
36 views

Record data that comes through a certain port?

I have a Raspberry Pi 4, and it's running Raspbian OS (very similar to Debian). I was wondering if there was some way you could record any data that comes into or goes out of a certain port. Is there ...
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1answer
13 views

Logrotate says it rotates but does not

I have a strange issue with logrotate on a Raspbian 9 system. Logrotate appears to be configured to rotate /var/log/syslog every seven days. When I run logrotate -f -d /etc/logrotate.conf the output ...
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26 views

How can I open a GTK/QT program remotely through SSH? [closed]

I have a Raspberry Pi 4, and I want to open a GTK app up, through SSH. However, whenever I try to start up this GTK app, it gives the following error: _tkinter.TclError: no display name and no $...
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1answer
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How can I delete these strange “ghost” folders? (Raspbian)

I bumped into a strange issue. I run a torrent box on a Pi 4 with Raspbian Buster. I use Transmission daemon and Transmission remote client. I deleted a couple of torrents-folders via the remote ...
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81 views

Can't access bluetooth speaker from the www-data user

I'm trying to launch audio files on a bluetooth speaker from a web server hosted on my Raspberry Pi 4. I'm using PulseAudio with the pulseaudio-module-bluetooth module. I can play music on the ...
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1answer
40 views

Why is USB HDD slow (reading slower than writing)?

Disclaimer: I know there's Raspberry Pi community here, but I don't think it's Pi-specific, more like Raspbian (or Debian?) vs USB HDD vs NTFS, etc. TL;DR: So, I've got a Raspberry Pi 4 with an ...
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1answer
35 views

Why does SHA512 hash of read-only file system change?

I followed a guide to make a Raspberry Pi boot a read-only file system. $ cat /boot/cmdline.txt dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait ...
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Can I clean /lib/modules/something from RasPI image?

I have the following content under /lib/modules$ du -hs * | sort -hr | head -n 20 55M 4.14.50-v7+ 55M 4.14.48-v7+ 55M 4.14.29-v7+ 54M 4.9.59-v7+ 54M 4.9.35-v7+ 54M 4.14.50+ 54M ...
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scan specific udp port for local network

So I have a Prometheus server which I use to capture input from port 512 UDP, I have it open, but now I have a problem checking which 512 UDP port on my network is the sender. I tried reading the nmap ...
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1answer
148 views

error when installing docker on raspbian stretch

I am trying to install docker on a rpi4 but I have this error when I run sudo apt-get install docker-ce docker-ce-cli containerd.io -y I have Job for docker.service failed because the control process ...
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How can I make scanbd work on Raspberry Pi

I am trying to configure a Raspberry Pi with Raspbian to be a scan server with scanbd and SANE for my Canon CanoScan LIDE 60. As the buttons are not directly supported, I had to manually compile the ...
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2answers
138 views

Emulate x86 on rasbian

I want to run a Starbound server on my Raspberry Pi running rasbian. The server is built to run on an x86 architecture, so my goal is to emulate an x86 architecture to run the server. Edit: box86 does ...
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1answer
18 views

Remount SMB file system if unmounted

I have a SMB share via my router that I use to share docs between 4 rPi4B's. I mount the drive on boot via gstab with the following line: //fritz.box/fritzbox/NAS_USB /home/pi/Documents/Dateiserver ...
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58 views

How can I make my printer actually print, not just accept print jobs and delete them from queue?

I installed a mint Raspberry Pi 4 with Raspbian and wanted to connect my Brother HL-2240D printer to it. I used the Driver Installation tool provided on https://support.brother.com/g/b/downloadlist....
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python3 script runs on startup using (crontab -e ) for sometime and after that it automatically stops. why?

i am using Raspberry Pi 3 to run a python3 script which runs VLC player to display images and videos, it run smoothly and continuousl when i run manually in the terminal like sudo python3 /home/pi/...
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help with boot failure because of fstab entry

Machine: RaspberryPi 4; OS: Raspbian SETUP: SD card for /boot and /root USB-C SSD for data, partitioned into 1 NTFS for samba, 1 EXT4 for other data SSH access only (and I don't have a micro HDMI so I ...
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Why does Buildroot not create any output

Simply put: my attempts at Buildroot are not creating/producing any files or images, or if they are, I cannot find them. I am attempting to build some work that I have put into a Raspberry Pi 4 with ...
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18 views

How to automatically create local home directories for LDAP authenticated users if the home directory does not already exist?

I have configured a raspberry pi 4 running raspian to authenticate users using LDAP. The LDAP server is hosted elsewhere. I am able to log in to the system as an LDAP user, but the user has no home ...
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pam_xauth isn't working with sudo: Unsupported authorisation protocol

I'm trying to set up xauth cookie forwarding between users, so that GUI programs could be run as any user via SSH. I have added the following line to /etc/pam.d/su and /etc/pam.d/sudo: session ...
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2answers
54 views

Shell script on Raspberry Pi fails to copy files from usb0 to directory

I am trying to write a shell script to copy specific files from an archive USB thumb drive to my Rasberry Pi 4b. The script is, in my opinion, brain dead simple. cp /media/usb0/archive/file1.zip /home/...
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Kate corrupting `org.kde.kate.desktop` file in Raspbian

I have a standard Pi3 running Rasbian 10 Buster, on which I installed Kate text editor. However, when I use the "sessions" function to store an editor session, Raspbian then complains about ...
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1answer
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I am trying to execute a script that pushes to git every x minutes as a service, but git uses 100% CPU and high amounts of RAM

I am trying to execute a script that pushes to git every x minutes as a service, but git uses 100% CPU and high amounts of RAM while seemingly doing nothing. (I checked after 8 minutes and it was ...
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1answer
30 views

Lost control of Raspbian (Buster) system after modifying X11 (/etc/X11) Xsession script

I've unfortunately managed to lock myself out of my own playground (Raspberry Pi 4B, Raspbian Buster) after attempting what was originally going to be a solution to autostarting a network-kvm (synergy)...
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How to get a new build Kernel running

I am trying to build and run a realtime kernel for respective on my Raspberry Pi 4B 4GB. Therefore I followed the guideline here. I cross-compiled it several times as described there and also I tried ...
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Corrupted ext3 when accessing with ext4 subsystem

I have been facing issues when accessing multiple HDDs with ext3 using the ext4 kernel subsystem. # tune2fs -l /dev/sdj1 tune2fs 1.41.12 (17-May-2010) Filesystem volume name: <none> Last ...
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1answer
34 views

How to choose between different ways of accessing the internet without leaving network

I've got a Raspberry Pi connected to my home network router via Ethernet, it currently also accesses the internet through this. I would like the Pi to stay a member of my home network, to be able to ...
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1answer
59 views

Create hotspot in raspbian

I have a RPI 2 with raspbian OS. I have a WI-FI USB adapter too that it is connected to the pi. I want to use wlan0 as a hotspot but any try get failed. I tried this guide and some open source project ...
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2answers
51 views

Distinguish multiple USB sound cards by USB port they're plugged in

What I want is to be able to consistently tell apart multiple USB sound cards, identify them by the USB port they're plugged in and use that knowledge to play a sound on a speciffic sound card in my ...
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52 views

Can I echo to host's local /dev/tty1 with SSH?

I am logged in on a Linux machine. I want to send a message (to a physical screen of the host I'm calling) to be displayed in terminal. Like... chatting with whoever is using this computer at the ...
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2answers
187 views

apt packages could not be installed… but the dependencies are there

Apologies if this is a very basic question, but I'm new to working on a bare linux machine. So I'm trying to install git on a raspberry pi. When I run sudo apt-get install git-all I get errors ...
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2answers
92 views

User python app service does not start on boot

My user service which is a python script does not run on boot. It runs on raspbian OS as user pi. As most of these questions go I can start the service and it runs fine with systemctl --user start ...
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24 views

How to disable DNS client caching on debian stretch?

Im suspecting DNS caching to be the cause of some intermittent woes. Is it possible to disabled dns caching from the dns client side on debian stretch (raspbian)?
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35 views

Unison with Raspbian file server no longer works after upgrading my laptop to Ubuntu 20.04

I have a file server running Raspbian 9, and use Unison over SSH to sync my home dir between these two. This has worked well for the two years I was on Ubuntu 18.04, but after upgrading to Ubuntu 20....
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30 views

Set-time via timedatectl gets overwritten although ntp is set to false

Disabling the ntp and manually setting the time on my raspberry (stretch lite) with a RTC works fine. $ sudo timedatectl set-ntp false $ sudo timedatectl set-time "2020-11-29 10:00:00" $ ...
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1answer
123 views

Cannot mount Synology server on Raspberry Pi, but can access it in the file browser (mount error(2): No such file or directory)

I am trying to access the files on my NAS within programs and so I want to mount the network share. When using the line: sudo mount -t cifs -o username=correctusername,password=correctpassword,sec=...
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1answer
1k views

Once again: Failed to start LSB: DHCP server

i want to create something like this with my raspberry. ↑ │ Uplink │ ┌────────────┴────────────┐ │ wlan0 │ ...
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27 views

UFW rules not working as expected

This is how the UFW configuration looks like in my Raspberry PI Status: active To Action From -- ------ ---- 1194/tcp ALLOW ...
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1answer
43 views

Raspberry Pi QEMU stuck on emergency mode

so I've been trying to boot up a raspberry pi using qemu but after I put start.bat in and let qemu work for a bit it says It won't let me enter My start.bat file has qemu-system-arm -kernel kernel-...
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14 views

Running SOCKS server on raspi

I have recently bought a Raspberry Pi 4B, I'm trying to use the SOCKS proxy. Setup: Pi connected to the router via LAN/WiFi Pi acts an access point/hotspot Clients (PC, Laptop, TV ...) will be ...
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1answer
65 views

How to handle switch without argument?

I wrote a simple bash script for some USB webcam image settings and restarting of the webcamd service. At this moment, when someone uses the -t flag, they can use only "n" or "d", ...
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1answer
183 views

How to generate ppd file for CUPS

I want to add my printer, HP Laserjet Professional M1136 MFP, to CUPS utility on raspberry pi with raspian OS. I have got the relevant printer driver for debian OS from HP website which is a file with ...
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67 views

Raspberry PI (Octoprint,Debian) - v4l2 is not showing all possible webcam controls

I have Raspberry Pi used for Octoprint and I am using MSI Starcam 370i with it to monitor the prints. I know this camera has IR LED control, because this option is available on Windows 7 or Windows 10 ...

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