Questions tagged [debian]

Debian is an operating system that is based on GNU/Linux. It was previously recommended by the Raspberry Pi Foundation as the standard distribution, but Raspbian is now being recommended.

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Scanning WiFi Signals as regular user

As per this: https://linux.die.net/man/8/iwlist I understand that scanning of WiFi Networks requires root access. If you are a regular user than you can only see the Wifi Network you are connected ...
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2answers
695 views

www-data (NGINX user) cannot access file

I am running Debian Jessie with pixel. I have a file located at /home/pi/robotAI/static/sqlite/robotAI.sqlite which I need NGINX to access. NGINX runs as www-data and normally when I run the following ...
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2answers
9k views

Running a script after an internet connection is established

I am trying to run a very small python script AFTER internet has been established. I am currently editing /etc/network/if-up.d/upstart by adding the following code directly under all_interfaces_up(): ...
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1answer
52 views

One volume does a *full* fsck every boot, even though it's clean

As the subject says, I have a Raspbian system (Buster, and this happened with the prior Raspbian version too) that runs a full fsck on one particular volume every time it boots. And this only happens ...
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1answer
39 views

Use actual MySQL on Raspbian Stretch instead of MariaDB

I have a web based project which I wrote with NodeJS. I moved the project to my Raspberry Pi which runs on Raspbian Stretch. The project has a lot of lines of code which deal with MySQL connections. ...
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4answers
3k views

Linux modules mismatch version

I have a very unusual condition, perhaps a partial update or unknown condition. #>uname -a Linux sip02 4.14.30-v7+ #1102 SMP Mon Mar 26 16:45:49 BST 2018 armv7l GNU/Linux #>uname -r 4.14.30-v7+...
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1answer
4k views

wlan0: link is not ready

I have had my pi3 for a while now all of a sudden I start to get IPv6: ADDRCONF (NETDEV_UP): wlan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready and stalls there ...
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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 ...
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1answer
88 views

Cannot Load Library “./pxcore.so” to autorun a python script on boot using systemd

I want to run a code at startup but I am getting this error below. The script works when running in python, but I am unsure how to allocate permissions or where to make a path to the pxcore.so file so ...
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2answers
371 views

Is it safe to configure unattended-upgrades to use Debian security updates on Raspbian Lite?

When setting up Raspbian Lite and installing unattended-upgrades, the origins list defaults to this: "o=Debian,codename=${distro_codename},label=Debian-Security"; Is it safe (or wise) to use this, ...
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4answers
55 views

Pi - own python startup script in the wrong order

I've written a python script to connect to mysql & insert the current time then close. The use case is if my Pi browns out/restarts (often does) the time of this event will be logged. The script ...
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1answer
159 views

“bash: rbenv: command not found” and “bash: nodenv: command not found”

After trying to install this script using these commands: $ git clone git://github.com/mislav/dotfiles.git ~/dotfiles $ ~/dotfiles/script/bootstrap I restarted my Raspberry Pi and I'm seeing these ...
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0answers
34 views

RPi B, dietpi, usb soundcard amplifier, mpd and equalizer - usb and alsamixer equalizer impossible?

The last two days I am busy to config the USB sound on a dietpi config and with success. I turned the default Rpi sound off and use only the USB soundcard amplifier (Logitech). I can play files with ...
2
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1answer
218 views

RaspberryPi.Net Libary LCD Display

So my problem is, that we want to control a LCD (HD44780) Display with our Raspberry Pi Model B V1.1. The Libary seems to have a support for it. But there only seems to be one example in the whole web....
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7answers
262k views

How can I determine which OS image I am running?

I have been given a pre-installed SD card. It boots fine, and I know it is running some version of Raspbian. Can I determine exactly which release it is running?
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0answers
41 views

Multiple USB modems issue with HUB external power

When I connect 6 modems ZTE WCDMA Technologies MSM into USB hub Terminus Technology Inc. Hub everything works fine. Modems are detected as eth0, eth1, eth2, eth3, eth4, eth5 When one more modem is ...
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1answer
116 views

Watchdog configuration Raspberry pi 3

My plan is to configure the file /etc/watchdog.conf to detect if the process that I want is down and reboot the system to run again. For example, I work on a Raspberry Pi 3 in Debian 9. I would like ...
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1answer
121 views

What is the difference between Raspbian Lite and Debian?

I have read the official page but still cannot figure out the difference between Raspbian Light and Debian. The difference between Raspbian and Debian or between Raspbian and Raspbian Light can be ...
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2answers
2k views

Why does sudo not work in this case?

I was playing with the raspberry pi leds (How do I control the system LEDs using my software?) Interestingly, on my pi the following command fails: sudo echo heartbeat >/sys/class/leds/led0/...
5
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1answer
301 views

Kernel/Firmware as Debian package

It says on the official site that "the kernel and firmware are installed as a Debian package, and so will also get updates when using [apt-get upgrade]" I run apt-get update / apt-get dist-upgrade ...
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0answers
34 views

Proper configuration of /etc/network/interfaces

I'm trying to make my Raspberry Pi into Wifi access point, where the internet connection is provided by Android device attached to it. I'm trying to achieve this by mildly configuring this guide, and ...
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2answers
217 views

Moving sd card to a larger one

I'm sure there are lots and lots of people asking this but I couldnt find a good answer. How should i move my x GB sd card content to the new XX gb sd card since i have multiple partitions? I ...
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2answers
143 views

Raspberry Pi Desktop, Guest Additions: Access denied under root

I've been trying to install Guest Additions for Raspbian Desktop on VirtualBox hosted on Linux. The script won't run even under root. How is it possible?
154
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16answers
112k views

Prepare for ssh without a screen

I have a Raspberry Pi model B at home, but I do not have a screen. My plan is to connect it to the Ethernet and then ssh into it. But this means that the SD card with the operating system (Debian ...
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0answers
162 views

sources.list broken in Raspbian

I have updated the /etc/apt/sources.list file and ended up breaking it. I've restored it to its original contents from my backup as follows deb http://raspbian.raspberrypi.org/raspbian/ stretch main ...
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0answers
163 views

Unable to install a Map Tile Server on Raspberry Pi

I have a Raspberry Pi 3 B+ running Raspbian uname -a Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l cat /etc/os-release PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" ...
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0answers
44 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 ...
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0answers
107 views

Installing “Testing” version of a package on stable Stretch

I recently made a seedbox with Transmission 2.92, which is the latest stable package update on Raspbian, but the tracker I use only accepts Transmission 2.93 and up. I went to the package page for ...
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5answers
13k views

Can I Install Debian 64 bit on RPi 3

The Raspberry Pi 3 is built with a 64 bit chip. Yet the Raspberry Pi Foundation has only released Linux distros are 32 bit. Can I install a 64-bit version of Debian on the RPi 3?
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1answer
3k views

How do I make a desktop shortcut for rdesktop?

I want know how to make a shortcut for rdesktop, the remote desktop client? I installed it with this command: sudo apt-get install rdesktop I searched in the path /usr/share/applications/ but I see ...
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3answers
9k views

Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)

I'm trying to execute the command sudo apt-get -y install linux-headers-rpi to install this driver for a pm sensor. However, my raspi gives me this output every time when I execute this command: E: ...
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1answer
48 views

debian PXE server don't boot twice

I'm planning to do a Debian server which can deliver picore pxe to RPI 3/3+. I have dnsmasq which gives a correct IP in the range and will provide the correct tftpboot option with the "Raspberry Pi ...
1
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1answer
271 views

“sudo apt-get install xstlproc” returns “E:Unable to locate package xstlproc”

I'm following https://www.raspberrypi.org/forums/viewtopic.php?t=196010#p1226096 to install a mosquitto server on Raspberry Pi 3 Model B sudo apt-get install libc-ares-dev uuid-dev libwebsockets-...
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0answers
13 views

RPI access point and how to share the internet with connected devices

I want to share the Internet from my USB modem stick on my raspberry pi to other devices by turning my pi into a WiFi access point. I am using a pi 3 model B+ running raspbian stretch and I am able to ...
0
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1answer
595 views

No default gateway with dhcpcd

I hope some can help me. I installed dhcpcd (to be able to use WiFi) on a custom Debian build for a Raspberry (so I can have a 64 bit OS). It seems to work all fine. The WiFi link is getting ...
2
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1answer
19k views

New version of Thunderbird mail client for Raspbian/Debian

How I can get newer Thunderbird for Raspberry Pi? I know its name is Icedove on Debian and I can install it with apt-get install icedove but its available version of it on Raspbian repositories ...
2
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1answer
418 views

Using debian repositories for Raspberry Pi

Can we use Debian armhf .deb newer packages instead of Rapbian official repository packages?
1
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3answers
33 views

Debian RPi distro that can automatically backup itself regularly

I'm looking for either a complete Raspberry Pi distro or something that I can install on top of a Raspberry Pi distro that can do the following: -Automatically make backups of itself to either the ...
0
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1answer
5k views

No audio output Raspberry Pi3 (Raspbian-stretch)

Update The below is for Raspbian Jessie and does not work for Stretch Any help on how to go about getting bluetooth to work with Stretch would be appreciated... Original question I am new to Pi ...
10
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4answers
22k views

“Failed to connect to non-global ctrl_ifname” when running wpa_cli reconfigure

I am using a Raspberry Pi 2, running Debian Jessie, and I have a problem with my Wi-Fi connection, after setting my /etc/network/interfaces: # interfaces(5) file used by ifup(8) and ifdown(8) ...
5
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2answers
12k views

Entrusted Certificates installation

I have a very noob problem with my Raspberry Pi 3b (all updated to latest stable version available). I want to use it to automate some scripts I've written in R that run smoothly on my Win10 machine ...
0
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1answer
3k views

libjpeg8 on Debian 9 (Stretch)

I have huge problems getting the snes9x emulator to run on a Raspberry Pi 3b with the Debian 9 (Stretch) + Pixel desktop. It all boils down to libjpeg8 (libjpeg.so.8 library) missing. This library ...
0
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1answer
897 views

Raspbian - Save and restore terminal/screen content

This is sort of a basic question, I guess it's not a specific issue with Raspbian but my knowledge about terminals is pretty limited. I wanted to start with some shell programming which includes ...
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6answers
25k views

What is a typical boot time for the standard Debian distribution on a typical SD card?

How long does the RasPi take to boot when using the standard Debian distribution on a typical SD card? Are we talking less than a second? A couple of seconds? 10 seconds? 100 seconds? This isn't too ...
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4answers
9k views

noobs reset password Debian

Hello I'm a Raspberry Pi newbie and It seems that I lost my password. I was trying to ssh but unable to because of password problems. Connecting pi to my TV, I can get to the command prompt #, but ...
2
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1answer
5k views

Best 64 bit OS for Pi 3 without screen [closed]

So I've been running my Pi 3 with Raspbian Jessie Headless and I've run into some issues with the fact that Raspbian seems to be 32bit and MongoDB requires 64bit. So I am looking for the best (...
0
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1answer
40 views

Show me how to a start a background process and then be able to kill it at later time [closed]

Can someone please show me an example of starting a simple background process on the command line; and then later maybe have to open a new command line and then kill the background process?
3
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2answers
4k views

Debian Jessie (Raspberry Pi) Install Postgres 9.6

I'm having difficulty installing Postgres 9.6 on my Raspberry Pi running Debian 8 (Jessie). I've tried two paths: According to these instructions: Add a pgdg.list file to /etc/apt/sources.list.d ...
7
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3answers
10k views

Can't access shared libraries when running with sudo

I'm trying to get a demo working writing PCM to the I2S; I've created a small demo program that gives an error when I run with the following command ./demo stereo_small.wav can't open /dev/mem So I ...
1
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1answer
249 views

Missing cpu.cfs_period_us cgroup subsystem in Raspbian Stretch on Raspberry Pi Zero

I'm dabbling about with cgroups on my Raspberry Pi Zero using the latest version of Raspbian Stretch and I was surprised to see only the following cpu cgroup subsystems available: cgroup....