Questions tagged [raspbian-stretch]

Raspbian-Stretch is a GNU/Linux operating system derived from Debian 9, initially released in August 2017. Raspbian is the most widely used Pi based distribution and the one recommended by the Raspberry Pi Foundation, who distribute their own images of it in 3 flavours, a full version with Desktop GUI and recommended software, Desktop GUI, and a "lite" version without any GUI pre-installed.

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Run curses based python script on start up [raspbian stretch]

I'm trying to auto start a curses based python script on startup of my RPi 3+ (running on raspbian stretch) What I did so far. I've got a python script demo1.py, import curses ...
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96 views

how to use a normal microphone instance of USB microphone in Raspberrypi 3b+

I want to recognize the voice using raspberry pi and for that required a microphone but most of the cases I have seen that USB microphone used in Raspberrypi for voice input, but I want to use a ...
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2answers
119 views

Raspberry Pi 3 will not display to HDMI monitor nor ssh

I have Raspbian 9.9 installed on the SD card which runs fine and displays to my monitor via DVI to HDMI adapter. I formatted a 1TB SSD to ext4 and followed the https://pimylifeup.com/raspberry-pi-...
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1answer
35 views

Raspbian retains last uuid ownership at mount, but where?

The following commands give user user2 rw acces to an external usb drive : sudo mount /dev/sda1 /home/user/mnt/my_mount sudo chown user2:user2 /home/user/mnt/my_mount Command umount sets ownership ...
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43 views

Why does usb drives autmount only for pi?

Attached usb drives are automatically mounted in /media/pi/ What makes that they automount in that directory ? Obviously this is configured somewhere.. What would be the way to customize this ? ...
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3k views

ALSA Errors on Pi 3B+ using SpeechRecognition and PyAudio (Original Post missing stuff)

Using PyAudio I simply ran this piece of code: import pyaudio p = pyaudio.PyAudio() for x in range(p.get_device_count()): print(p.get_device_info_by_index(x).get('name')) Getting these Errors: ...
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1answer
531 views

Configure Date and Time from On Boarding Script

I work at a manufacturing plant and we use raspberry pis for videos on a schedule. We use Screenly to schedule when certain videos will play back but currently I also need to manually correct the date ...
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1answer
3k views

is there any advantage in using Raspbian Buster instead of Stretch on a Raspberry Pi Zero

I was wondering if are there some real advantages in using Buster on a Raspberry Pi Zero, or I should continue using Stretch
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1answer
380 views

1-wire device not detected

I'm having trouble getting a 1-wire sensor to be detected on my Raspberry Pi Model 3 B+. The sensor is this temperature and humidity sensor. I have wired the red wire to 3.3V, the black wire to ...
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1answer
406 views

how to play audio from python on Raspbian Stretch Lite?

I would like to play selected audio files through the built-in audio port on a Raspberry 3 that is running Raspbian Stretch Lite, from a python program. Unfortunately, none of the libraries or ...
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1answer
468 views

Linphone for Raspberry error

I finish, using source and without errors, the linphone installation on 'stretch' following the instructions on linphone. trying to start `linphonec', I'm receiving the following error message: $ ...
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1answer
2k views

Automatically Create Hotspot if no Network is Available

I want to automatically create an access point, if there is no network found, so that I can connect to my Raspberry Pi everywhere. If nobody is connected to the hotspot for a while it should search ...
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1answer
113 views

CE1 not going low for pigpio.spi_open() with flags

I'm attempting to modify joan's test script (https://raspberrypi.stackexchange.com/a/44320/42126) for an RPi SPI master to communicate with an Atmega328P slave. I cannot change which GPIO pins I have ...
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69 views

How to fix XRDP Problems with Raspberry Pi and Windows 7

I just updated my Raspbian to the latest distro and fixed a problem with sudo apt-get update not working. The issue I'm having now is that my Remote Desktop isn't working anymore, which happened after ...
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68 views

Touchscreen calibration: touchscreen does not cover full display

I have purchased an industrial touchscreen monitor that supports Linux through PenMount drivers. The VGA video output (via HDMI adapter) works perfectly, and the USB touchscreen is perfectly ...
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20 views

Which Raspbian package contains the cdio C++ bindings?

I can't find them in libcdio-dev, and a search for the most important header file, cdio.hpp, in the Debian package catalog gave no results. A libcdio++ package seems not to exist either. Doesthis ...
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1answer
217 views

Installing Raspbian without recommended Software from NOOBS

Is it possible to install Raspbian (without the Recommended software) from NOOBS? Last time I chose Raspbian from NOOBS installation menu it also included the recommended software (Mathematica, ...
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1answer
18 views

Can background flash sync priority be increased to avoid using sync command frequently?

I have too frequent cases of 0-sized files, truncated files or files with garbage past the end when PI 3 Stretch power is lost. Issuing frequent "sync" commands helps. I don't know if it can be done ...
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2answers
836 views

Malformed entry 1 in list file /etc/apt/sources.list.d/brave-browser-release-.list (Component)

I am trying to install software in my raspberry pi running resbian. Every time I try to install anything from through the terminal I get "Malformed entry 1 in list file /etc/apt/sources.list.d/brave-...
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1answer
105 views

How to map rpi-zero hid-gadget from us to german?

I’ve tried to map my RPI Zero HID-Gadget in a sh file, here is my sh file. I tried to exchange a normal german keyboard by swapping kbcodes from us-keyboard to german-keyboard layout, but if it is ...
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1answer
48 views

Wifi disconnecting on Raspbian Stretch Lite?

I've got an old RPi 1 Model B, that I'm trying to use as a Wake-On-LAN server. I've got it connected to Wifi with a DWA-171 USB/WiFi dongle and these drivers (the link contains a script that installs ...
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48 views

Linux headers missing from a custom kernel built through cross-compilation

Helo, I have followed the instructions given at https://www.raspberrypi.org/documentation/linux/kernel/building.md to build a custom kernel. (I have cross-compiled it on an x86 box.) The custom ...
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2answers
569 views

netperf command doesn't exist on raspbian

I am trying to run some tests about network on my Raspberry Pi 3 B+, and I have raspbian on it. I installed flent via apt install flent, and I ensured that non-free repository is enabled. I still can'...
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237 views

RPI 3B+, Wifi super slow (10x slower than onboard) when using USB Wifi despite huge antenna

TL;DR, usb-wifi works, but it's extremely (!) slow compared to onboard wifi, even though the dongle has a big antenna and a a better signal quality. I looked far and wide and did all I could find, but ...
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1answer
685 views

init.d script does not run start on boot but starts manually (Raspbian)

Whenever the system starts, the zfs-import init script does not run: root@kapnet:# /etc/init.d/zfs-import status ● zfs-import.service - LSB: Import ZFS pools Loaded: loaded (/etc/init.d/zfs-import;...
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1answer
163 views

How to get SSH access to headless Raspbian Stretch Lite? Official way seems not to work

I was not able to enable ssh by putting the file into the boot folder, and yes it was created without extension from a Windows 7 machine and gets deleted after boot. This is what should have happened:...
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72 views

Sim800L stops responding after working 10-12 days, after that it needs power reset

Sim800l is not responding anymore after a few days of continuously working and requires restart/reset. It won’t recover by itself or respond to any commands unless a restart or power off is made. If I ...
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2answers
1k views

Run tkinter gui on remote machine connected by SSH?

I would like to run a tkinter-generated GUI generated on a Raspberry Pi while connected via SSH on a Mac. I have tried several suggestions (e.g. https://stackoverflow.com/questions/37604289/tkinter-...
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1answer
125 views

Error While Updating Rasbian from Jessie to Stretch

I've been using this guide to update my Rasbian version: http://baddotrobot.com/blog/2017/10/26/upgrade-raspian-jessie-to-stretch/ However, after changing the files to use "Stretch" rather than "...
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64 views

Rainbow-screen on bootup after months of working properly

First off, I have seen a lot of questions/answers talking about the rainbow screen. However everywhere I looked the issue only seems to occur on the first time the system is booted. In my case it's ...
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516 views

Wifi connection causes Pi to freeze, why?

I am having recurring problems with 2 Pi0W and, less often, with a Pi3B+ using pikrellcam as part of wildlife project What happens is that the Pi simply freezes. I am using a headless mode and ...
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2answers
475 views

Detecting device path for USB scanner

I'm currently exploring ways to detect the correct device path (for ex: /dev/input/event0) for an USB scanner. With the following code in Python using the evdev package, I am able to filter down to a ...
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2answers
1k views

ll command found then not found

I added a new user to a fresh Raspbian Lite install (4.14 2019-04-08, Raspbian Stretch Lite). On a pi zero, I had direct access and had signed in as the pi user. Via Wifi I had authenticated as the ...
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0answers
60 views

Share Ubuntu Internet Connection With Raspberry Pi 0

I'm connecting to my raspberry pi zero over USB and SSH currently but would like to share my computer's internet connection to it over the same USB cord. I've seen people do it on Windows and Mac but ...
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1answer
550 views

Using two SPI ports simultaneously on Raspberry Pi 0 W

I'm trying to use two SPI busses on Raspberry Pi 0 W. I found some hints around but I really cannot understand how to use it and if there are restrictions on it. On this thread it seems that the ...
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0answers
316 views

/sbin/init exists but couldn't execute it (error -13); systemd is a directory

My Rpi fails to boot. I get /sbin/init exists but couldn't execute it (error -13). Following the symlink leads to /lib/systemd/systemd. However it seems to be a directory rather than a executable. ...
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1answer
3k views

How to enable CTS/RTS (Hardware Flow Control) for MAIN UART (PL011) on Raspberry Pi 3 B+ module?

I am working on Raspberry Pi 3 B+ module with raspbian stretch lite os. I Wants to configure UART interface on Raspberry Pi 3. I have referred the following link & I am able to test UART ...
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0answers
281 views

wpa_supplicant errors in syslog after upgrade to Stretch

I just upgraded a Raspberry Pi 3 Model B from Jessie to Stretch, and everything (including WiFi) seems to be working OK, but one thing has me worried: Whenever I reboot, sudo journalctl contains the ...
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0answers
230 views

Raspberry Pi SDR Radio with aplay and minimodem not working

I am trying to receive data which is transmitted at 144.025 Mhz, using RTL-SDR with the below command and it works perfectly (even tested with local fm radio and the audio is good).. rtl_fm -f 144....
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1answer
327 views

WittyPi on Pi Zero W - I2C read / write fail

I've connected WittyPi2 (an RTC Power Management hat) to my Pi Zero W - but I'm constantly getting failures in the log, to do with the I2C communication: I2C read 0x01 0x68 0x09 failed (result=), and ...
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1answer
985 views

LIRC won't setup the device

Very new to this low-level driver stuff, so many places to make mistakes. Basically I'm trying to get an IR transmitter with lirc. I have a IR led to pin 23 with a transistor, however there's nothing ...
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0answers
318 views

How can I uninstall unwanted OS, but keep Raspbian?

So, I'm trying to find a good PSX emulator, and I eventually install RetroPie to dual boot alongside Raspbian. Which was (in my case) a very bad decision. Now I cannot boot either of them due to some ...
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3answers
5k views

Launch a GUI Tkinter program on boot

I am trying to auto launch a Tkinter/Python program when the Raspberry Pi boots up. Ideally I would like to boot the Pi into the console and then launch a GUI Tkinter Python program. In testing – not ...
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0answers
55 views

how to make python program executable in rpi

I have a python code which works well in raspberry on boot. I need to hide the code and make the user to non editable. The program have a kivy ingerface and the program starts on start up. Even though ...
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1answer
2k views

Seeed ADC (ADS1115) with Raspberry Pi 3 B+to read voltage values using python3

I'm using a Seeed 4-Channel 16-Bit ADC (ADS1115) for Raspberry Pi with a Stretch installed Raspberry Pi 3 B+ and successfully configured following below guidelines & GitHub. http://wiki....
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0answers
20 views

Setting viewonly and scale with vncserver-x11-serviced

I'm trying to get the VNC server to start in viewonly mode with a scale of 0.25x0.25 but can't see exactly where this has to be set. It looks like in older versions you would start VNC with the -...
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0answers
27 views

Full-disc encrypting Pi causes unpredictable network interface naming to stop

Today I setup a Pi 3B+ with the latest Raspbian Stretch image and recognized a strange behavior: When initially looking at the network interfaces, the unpredictable network-interface naming was ...
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0answers
23 views

Unable to connect to wifi - ifup service failed

I'm using a raspberry pi model 1B with a dongle and I can't connect it to wifi. It was working (mostly) a few weeks ago, but now the wifi doesn't work at all. The log shows something about the ifup ...
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2answers
133 views

2 Wifi NIC's that each only connect to one (different from each other) network

The Setup: Raspberry Pi 3 B (Raspbian GNU/Linux 9 (stretch)) and boots to Command Line (internal Wifi NIC) [wlan0] additional external Wifi NIC [wlan1] What I want to achieve: I Have two different ...
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0answers
59 views

Bash script running fine in terminal window, but not when added to autostart

I use a script to start the google voice assistant on my rpi. This script runs fine when I run it from a terminal window, but when I try to run it via the LXDE autostartup nothing happens. It used to ...

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