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Questions tagged [raspbian]

A Linux distribution for the Raspberry Pi, derived from Debian

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1answer
14 views

systemd Restart is not working?

I have the following service. /etc/systemd/system/detectwifi.service [Unit] Description=wifi detect automation Requires=wpa_supplicant.service After=wpa_supplicant.service [Service] Type=simple ...
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2answers
48 views

What is the root password for raspbian jessie or debian 9

What is the default root password for raspbian jessie or debian 9? I have Raspbian Jessie stretch iso "Raspberry Pi Desktop" or pixel Virtualbox and I need to install keys with root "su", what is the ...
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0answers
20 views

Slic3r requires the boost libraries. Please make sure they are installed

What is the problem? When trying to install Slic3r using the guide found here: https://plugins.octoprint.org/plugins/slic3r/ I get this error: Slic3r requires the boost libraries. Please make sure ...
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1answer
28 views

Transparent x86 emulation using QEMU on Raspbian

I'm trying to setup transparent x86 emulation on Raspbian according to this tutorial: https://wiki.debian.org/QemuUserEmulation. The issue is that after enabling multiarch and running sudo apt-get ...
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0answers
19 views

Default Printer Options in CUPS

I would like to set the default paper tray for my HP Photosmart C309g-m, I am following this and when I use Airprint off my iPhone it always defaults to the photo paper tray rather than the main paper ...
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34 views

HPLIP: Some packages not installing

I installed HPLIP on my raspberry pi to use CUPS as per here but some packages are simply not installing. I have tried:sudo apt-get -f install hplip, sudo apt-get install qt4-default qt4-designer qt4-...
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1answer
32 views

CUPS - Selecting a driver for a HP printer

I have a HP Photosmart Premium C309g-m printer. There is no matching driver in the list in CUPS installed on my raspberry pi. I tried to run sudo hp-setup but the terminal said sudo: hp-setup: command ...
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9 views

Can't open new URL in kiosk mode

So I'm working on a Spotify jukebox that displays album art (Raspberry Pi). I have a Python script that opens the url hosting the art in chromium, and updates it when the song changes, by opening a ...
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1answer
56 views

Accessing Postgresql from terminal

After recently setting up Postgresql on my Raspberry Pi I created an account which is not a power user. Initially to set this up I entered psql from the terminal and then executed createuser pi -P ...
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1answer
10 views

mounting drive highlights folder as green and changes permissions

I'm attempting to mount a drive to one of my raspberry pi's and make it available via NFS. But i have enocuntered trouble while mounting, i have got most of this working apart from the folder ...
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66 views

File - can't access xxx - bad address

Docker on raspbian suddenly stopped working. I tried to restart/rebuild the image and then reinstall the docker without success. the problem seems to come from the directory /var/lib/docker/overlay2/ ...
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0answers
30 views

Using an rasberrypi to make an bootable usb?

my pc broke and i have an rasbery pi . i want to write the iso of an recovery system (https://www.hirensbootcd.org) so i can repair my system more specific plan B grabing the license key in the ...
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1answer
42 views

Changing default USB drive mountpoint owner

I am developing a device that runs Raspbian on Raspberry Pi. The device runs a background process that should be able to access usb drives when they are plugged in. The problem is that the background ...
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0answers
25 views

Swap Primary and Secondary IP addresses on Raspbian 9.8

I'm trying to flip flop the IP addresses on eth0 and eth0:1 with as little downtime as possible. So far I have tried changing the IP addresses in /etc/network/interfaces, then running ifdown eth0:1 &...
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0answers
14 views

Using GPIO in a kernel module

I am working on a simple kernel module for the Raspberry Pi. This involves using the GPIO. I see that the old gpio_* API is deprecated in favor of the gpiod_* API. However, all of the documentation I'...
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1answer
15 views

CUPS-PDF not outputting

I have set up a CUPS print server on Raspbian that prints to cups-pdf. I can print to the pdf printer without any trouble from the CUPS settings page. I am not receiving files when I print from ...
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0answers
24 views

Start PyGame on /dev/tty1 from a SSH session (can't access the framebuffer via SSH)

I have a small touchscreen attached to a Raspberry Pi, and when I start a Python script via an attached keyboard, directly on /dev/tty1, this script is able to execute pygame.display.init() ...
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1answer
58 views

Filter Table Set to Drop all Input packets, but stats accepting all packets

the filter table in my ip tables stats the :INPUT DROP[0:0], but when I type sudo iptables -L, The policy says that it accepts them, I also have a nat table which does accept INPUT, but I even tried ...
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0answers
44 views

Passwordless SCP from automated script - NO ADMIN RIGHTS server side

I have a cloudways server with no admin rights. I have set up ssh keys using their website interface, to use ssh and scp without passwords from a raspberry pi 3b+ running stretch, however i am having ...
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1answer
38 views

Trouble setting up Raspbian network bridge

I'm trying to set up a raspberry pi as a network bridge between a wireless access point and a router (the reason for this being that I'd like to connect a device to the AP and use tc on the pi to ...
2
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2answers
147 views

File system compatibility with CIFS

I've been using my Raspberry Pi as a music file server, but I'm not happy with it. The current setup uses a samba server on my RPi with a WD Passport USB drive formatted as vfat. This serves as the ...
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1answer
30 views

Why did system forget date for a few hours after reboot?

I have cron command that runs a shutdown bash script at 12:10am every day. 10 0 * * * /bin/bash /var/www/scripts/special-reboot.sh The script is very basic, all it does is shutdown nginx and moves ...
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18 views

Unable to launch USB modem connection on boot

In a Raspberry Pi3. I have valid PPP configuration in my Raspbian Stretch that I'm able to launch manually from terminal. But it doesn't work if try to do it on boot. This is my setup: File /etc/ppp/...
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1answer
28 views

Perpetually ping 3 devices from startup [duplicate]

I wish to ping three local devices, every 5 min, without stopping, from a Raspberry Pi running Raspbian OS. When my Pi powers on, I want that to automatically start. I saw an old post about it, ...
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47 views

How to send HCI ACL Data packets with hcitool

History: I used BlueZ 5.43 to communicate with a bluetooth device: connect FF:FF:FF:FF:FF:FF select-attribute /org/bluez/hci/dev_ ... write 0x54 It takes some time, but it works. Current issue: ...
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77 views

Is there a software center for Raspbian?

Is there a software center for Raspbian? Ive tries downloading the Pi Store, but it didn't work.
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76 views

Lightdm login messages

I'm using lightdm as display manager in Raspbian GNU/Linux 9 (stretch), and I'm missing the login info messages, like "incorrect password, try again". More precisely: upon boot or logout, if I ...
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0answers
32 views

Compile single module for RaspberryPi3

I need to compile the Amescon's Raspicomm module. I've cloned the repository from Github obtaining the raspicomm folder with the following files : Makefile Makefile_rpi module.c module.h platform.h ...
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0answers
94 views

Lots of dpkg errors when doing upgrade on raspian, how to fix?

I just attempted update and upgrade on my raspberry pi 3 and get the following errors: Setting up console-setup-linux (1.188) ... insserv: FATAL: service udev is missed in the runlevels 2 3 4 5 to ...
3
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1answer
354 views

Kill second instance of a process

I'm running two instances of omxiv (Omx Image Viewer). The first instance acts like a background image, and the second instance acts as a slideshow. My question is how can I specifically kill the ...
1
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1answer
119 views

mkdir -p returns error if exists

Raspbian Stretch Lite: $ mkdir --help Usage: mkdir [OPTION]... DIRECTORY... Create the DIRECTORY(ies), if they do not already exist. Mandatory arguments to long options are mandatory for short ...
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14 views

Run Minidlna from RAMDisk

I am using Raspberry Pi to stream movies to my LAN. The movies are mounted using sshfs and streamed with MiniDLNA. Now the Pi has very slow SD-Card I/O, at iotop I can see minidlna uses <95% I/O ...
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55 views

How to run vlc stream in background on raspbian?

I'm having trouble launching a command line in background. The command I'm trying tu run in background is : raspivid -o - -t 0 -n | cvlc -vvv stream:///dev/stdin --sout '#rtp{sdp=rtsp://:8554/cam}' :...
3
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2answers
400 views

Is it possible to activate the watchdog on any Linux machine?

On an Orange Pi Zero running a Raspbian server, it's possible to use the watchdog very easily just by running the command echo 1 > /dev/watchdog as root. The idea is that the system will certainly ...
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44 views

Show terminal window from systemd service daemon

Setup: Raspberry Pi running raspbian with a display connected (HDMI) A continuously running systemd service (daemon) Goal: Starting a new terminal window that's visible on the display As a proof of ...
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21 views

rotating different commands in supervisor

I've created a "photo frame" using raspberry pi 3b+ and the official 7" display where there is a supervisor command to launch youtube with certain city view broadcast webcam. The city has a few public ...
2
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1answer
178 views

What is the “official” way to install LPD without CUPS?

I'd like to install LPD (Line Printer Daemon) without installing a full CUPS. LPD alone is much-much-much smaller than CUPS. It's for Raspbian (Debian on Raspberry). In Debian, 2 equivalent packages ...
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0answers
34 views

Linux kernel does not handle orphaned sockets, why not?

This was originally posted to serverfault but was voted as off topic by the community. Let me just preface this question by mentioning I understand the why/how/where/when of the Linux kernel socket ...
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1answer
48 views

I cannot enter into an wlan ap created on raspberry with my android phone, but it works on windows

I have a Raspberry PI Zero W with Raspbian on it. I have created with it a WLAN-AP. I can access it with my Windows 10 computer without any problems, with my Android 8.1.0 phone it don't work. The ...
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1answer
113 views

Bind serial device address to specific usb port

My OS: Raspbian Stretch Lite tl;dr; I have 2 identical USB device I want to make sure their address didn't get confused My thinking goes to bind the address to specific USB Port. I'm fine to "...
1
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1answer
66 views

Scripting “Screen” in Raspbian

I've read lot of different links such as: Run script in a screen https://askubuntu.com/questions/854721/creating-a-shell-script-for-use-with-screen which all seem to say the same thing. I've tried ...
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0answers
252 views

Raspbian restart network without reboot

When I am using raspbian with a 4g USB modem, sometimes the network goes down and there is no option to bring back the network unless I reboot the raspbian. In such cases, I try: service networking ...
1
vote
1answer
84 views

How to install dev version of network-manager on Debian? [closed]

How do I install a newer, dev version of the network-manager version on Debian derived systems? It seems to I have to buy the "kitchen sink" of all unstable packages to get just one. I'm specifically ...
0
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1answer
74 views

SEVERE: regression in latest systemd update for Raspbian Stretch

I've recently updated my Stretch system and this got me version 232-25+deb9u6 of systemd. A very nasty side effect is that my /var/log/auth.log gets flooded with stuff like: Nov 30 07:13:34 rpi2-2 ...
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0answers
34 views

How do I connect to WiFi if it is grayed out? [duplicate]

Typically I can connect both the grayed out networks with an username and a password. However, on debian-based raspbian I have the problem. How can it be overcome?
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1answer
100 views

Use crontab to start AnyDesk

I am using AnyDesk on a Raspberry Pi 3. After around 6-7 days, it suddenly consumes all the memory and the device stops responding. To prevent this, I am using crontab to execute /usr/bin/killall ...
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0answers
235 views

adding a pulse audio bluetooth sink configuration

I'm connecting a raspberry pi 3b+ to a small bluetooth speaker (mostly thanks to http://youness.net/raspberry-pi/how-to-connect-bluetooth-headset-or-speaker-to-raspberry-pi-3 and some other resources) ...
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0answers
87 views

ALSA Lib and Fork Support Errors in Personal assistant -Python - Raspbian [closed]

My personal assistant built on python was working fine till few days ago. Now it is producing these errors. I am working on raspberry pi with OS Raspbian. E1123 17:07:41.305739108 3048 fork_posix....
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1answer
26 views

How can I list installed packages on a Debian based system that are NOT part of the base distribution [duplicate]

I have a Raspbian system which I need to list all the packages that have been installed since the machine was setup. Obviously I can show what now is installed, but I'd like just a list of the ...
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0answers
106 views

Dynamic and Static Leases on ISC DHCP

I'm running ISC DHCPd on Raspbian. I want to set up my server so that all addresses in 192.168.0.0/24 are static leases, and all in 192.168.1.0/24 are dynamic leases. I'd like the two to share the 192....