Questions tagged [raspberry-pi]

Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/

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Pi WLAN not connecting to router

I am currently trying to connect my Raspberry Pi Zero W to the internet using wlan, however I am having trouble connecting to the router at all. By default the Pi is assigned 169.254.94.159 and ...
pandaontoast's user avatar
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Can I set up a Raspberry Pi as a proxy to allow 3 different web servers to be used behind a single router on my home network?

I have three web servers I would like to be able to access behind the same router. How would I do that so that when the web address for Server A, B, or C is entered out on the internet, it goes to ...
Jeremy R's user avatar
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Re-use NAS-backplate with Raspberry Pi?

I have a Synology DS1511+ with a broken motherboard. What remains is a nice box with power supply, fans and a backplate for 5 SATA disks. The backplate (P/N:08-04DX5BP14) has two power connectors and ...
Joep's user avatar
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Raspberry Pi command not found, only printng out bytes

so i just installed Raspbian on my Pi and wanted to test some python scripts. However if i try to execute the script or even go into the Python IDE the shell freezes for some seconds and then prints ...
ravecow's user avatar
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GDBus error authentication agent already exists on Raspberry Pi

I am running VNCserver on a Raspberry Pi. When logging in remotely, I get following error: GDBus.Error:or.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the ...
Dirk Osstyn's user avatar
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How to Login via RealVNC Connect first time on Raspberry Pi

I have a new Raspberry Pi and am attempting to setup headless operation using the recommended RealVNC. The server is operating fine (I see the verification information) and I have set up the VNC ...
James Mitchell's user avatar
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Eclipse won't start on raspberry pi 4 - "An error has occurred. See the log file"

I've just bought my first raspberry pi and installed Eclipse using the sudo apt-get install eclipse command however when trying to run it I get the following error: An error has occurred. See the ...
sarah's user avatar
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is there a way to install Qt4 for Python 2.7 under Raspbian Buster on Raspberry Pi 4B

is there a way to install Qt4 for Python 2.7 under Raspbian Buster on Raspberry Pi 4B. pip is not working, conda ist not working, any sugestions? thanks!
theo's user avatar
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Minimal setup a raspi with archlinux

I am about to setup my raspi with archlinux, and I would hope to use a minimal method. Ideally, I vision that I can connect the SD card to my laptop, do some burning and setting, and plug that into my ...
Student's user avatar
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Raspberry pi Qt bluetooth module non functional ,dummy backend running

Hello I am working on a project where i use Qt creator on ubuntu 16.04 to cross-compile on raspberry pi 3b +. for my project requirement I need to use Bluetooth with Qt environment hence QtBluetooth ...
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How to run selenium on a Raspberry Pi?

I've been looking everywhere but I can't figure out how to run selenium on a raspberry pi. I've tried to install iceweasel but there is not package found when I try to install. Tried to run selenium ...
Zoey Malkov's user avatar
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Configuration network in raspberry with 2 interfaces

There is a raspberry with two interfaces, one interface is connected to a router(ip 192.168.1.100, the other to TV (this interface always has a static ip 192.168.1.1). How to configure such a subnet ...
Dimitri Gorbachevskii's user avatar
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Steps to setup the bluetooth communication of rasp pi 3 with hm-10 wired on tm4c microcontroller

I would be happy if anyone could give me a hint, because surprisingly I couldn't find any source where the Pi setup for hm-10 is explained, my question is how to setup the Rasp Pi 3 to connect to hm-...
Sean 's user avatar
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Run VLC with oldrc at startup on raspbian

The problem I'm facing is the following: we have a raspberry PI zero that we want to use as a media player with custom hardware buttons as controls for playback. For we need to lunch an instance of ...
pessimo's user avatar
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Trying to get Raspbian LITE to open Start X automatically to boot a Web Browser

So I am very new to linux and Raspberry Pi's. I am trying to get my pi to boot up into a web browser. I have been following these instructions (https://die-antwort.eu/techblog/2017-12-setup-raspberry-...
AstroBoy27's user avatar
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Asterisk: chan_sip.c:4321 __sip_reliable_xmit: Serious Network Trouble; __sip_xmit returns error for pkt data

I have a setup of Asterisk PBX running on a Raspberry Pi 1 (IP 192.168.2.2) and it runs a few local IP phones just fine. I recently purchased a Grandstream HT813 gateway (IP 192.168.2.3) to connect ...
somebody0's user avatar
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Sounddevice wired playback stream intermittently stops

I have a code for input-ouput wired real-time streaming playback on Rpi 3B+ with Sounddevice/python 2.7. It does work well, but when I do bit heavier calculation simultaneously, the streams become ...
YJL's user avatar
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Can't ping “raspberrypi.local” but can use IP address with a Raspberry Pi 4B

I am using WSL on Windows and while I am able to ping and ssh into my Raspberry Pi using its IP address, but I am not able to use raspberrypi.local. I am using a Raspberry Pi 4B, so avahi-daemon is ...
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Failed to start dhcpcd on all interfaces after reboot

I have a python script that sniffs using scapy library. I want my raspberry to reboot every X minutes, put my wifi dongle network card in monitor mode and restart the sniffing script. In the meantime ...
cristina's user avatar
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Network with 2 routers and Raspberrys

I have the following network at home: I want to create a local network setup for my Raspis and the LinkSys router, so that I can move them around at work or home for easy configuration. I will just ...
Jimakos's user avatar
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How to start MAME on Raspbian Lite

I downloaded Raspbian Buster Lite for my Raspberry 3B+ board. Works fine. Now I'd like to add MAME so I type: sudo apt-get install mame Libraries are downloaded and MAME gets installed. However, ...
Wimpie's user avatar
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PSCP - Copy extensionless files from Windows to Linux-based OS

So I have been struggling to copy a file without an extension from Windows to a Raspberry Pi using PSCP provided by PuTTY. However, Windows requires an extension in the command (just a dot after the ...
Nut eater's user avatar
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Mosquitto service does not start at reboot on Raspberry

I am running raspbian on a rpi 3 with domoticz. For an unknown reason Mosquitto does not start anymore as a service after reboot. I have to : pi@domoticz:~ $ sudo systemctl enable mosquitto.service ...
fred's user avatar
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Network traffic monitoring using RaspberryPi

The ISP in my country limit the internet with monthly quota 100GB 200GB and so on, so i must be careful of consuming all of it before the month ends so i decided to watch my home network traffic using ...
Mohamed's user avatar
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Performance when using encrypted external drive on raspi 3b+

I read here that the speed for an encrypted external drive on the pi is about 3MB/s. Is there a way to increase this by using a different cipher for dm-crypt/luks or tweak it in some other way?
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rtorrent fails downloads over 4GB on raspberry pi

I'm running libtorrent/rtorrent master (13.7) on raspi 3b+ with raspbian. I can download torrents under 4GB in size without any problems (for example debian netinstall at around 290MB). However ...
user1057790's user avatar
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628 views

How to set headers using chromium kiosk mode?

I'm trying to create a dashboard on a Raspberry Pi using Chromium in Kiosk Mode. It works like a champ, except for one thing: I can't send headers. The intention is that when the raspberry Pi starts, ...
Melvin Idema's user avatar
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408 views

Hostapd , PI 3 not working , wifi disappeared after 1 to 3 days

I am having issue with my WIFI hotspot setup the in Raspberry PI 3, using hostapd and static Id, and isc-dhcp-server. After 1 to 3 days, other device can not see the wifi network , and checked the ...
Scott's user avatar
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Matplotlib install hanging on raspberry pi zero w

so I followed this Tutorial and installed python 3.6.3 onto my raspberry pi zero w. It is running Raspbian Stretch 4.14, I'm having this issue with both the desktop and lite version. Everything works ...
Vincent P's user avatar
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217 views

What can I do to make my Vuejs application load faster?

I have a pretty simple Vuejs application that is hosted under NGINX. My hardware is Raspberry Pi 3B+ (OS: Raspbian). Every time I go to my application from any device in my network (Windows computer, ...
Hauns TM's user avatar
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Bad protocol version identification ' ' from xx.xx.xx.xx port xx

I've set up my raspberry pi to be able to connect to outside network so i can access it when not there. Now that it's connected to the internet people are what i assume port-scanning it but as it is ...
apelstaart's user avatar
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37 views

Trouble connecting to raspberry pi via command prompt

I've entered ssh [email protected] in my command terminal, but keep getting the error ssh: connect to host xxx.xx.xx.xxx port 22: connection refused. I know my IP address is correct, and ssh is ...
natalie's user avatar
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535 views

Getting “wlan0: Association Request to driver failed” error when using Raspberry Pi 3b+ as client to perform fast handover using 802.11r

I am trying to use a Raspberry Pi 3b+ as a client to perform fast handover (802.11r). I am using wpa_supplicant-2.6 and I have also enabled 802.11r while I was building it from the source code. It ...
pratikv2x1's user avatar
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1k views

SSH bad configuration

What is bad in my configuration my problem is i cannot login on sftp with user nas and other home for nas user is /media/nas my hdd is mounted in /media/nas is ownership of folder bad or my config? I ...
heavyblack1's user avatar
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88 views

Raspberry PI, USB device location

I am fairly new with Raspberry Pi, and I have a rather silly question that seems to trouble me for an hour or so. I have an usb device connected to my raspberry pi and I need to send some files there ...
Marcel's user avatar
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836 views

Multiple issue with VLC on Debian

So I have a Raspberry(actually virtualBox) with Debian, VLC installed, and a python script that i want to run. Issue #1: I try to run a video with python-vlc on my python script on a Tkinter frame ...
Saibbo's user avatar
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Windows 10 IoT Core physical keyboard layout

We are trying to use several RaspberryPi 3 as clients with headed UWP applications. We are using physical keyboards but can't figure out how to set the keyboard layout. How would one go about doing ...
lenny's user avatar
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561 views

Connecting Raspberry Pi 3 to android over ADB failure

Currently I'm trying to connect a Raspberry PI 3 to an android tablet over adb. Used to work for quite sometime and now it doesn't. If i do a lsusb, the device appears however adb devices -l shows ...
badr tharwat's user avatar
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0 answers
40 views

Live Reload on IceWeasel?

I'm trying to get an LiveReload nodejs server on Raspberry Pi 3 working with Iceweasel, newest version. The Live-Reload Plugin is installed and activated, however the website doesn't reload. The ...
Paulchengb's user avatar
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215 views

Can't find error while building dump1090 on RPi

I wanna build dump1090 for my RPi B+, but I face an issue. I installed all the dependencies, but build fails: First I just tried to build with make, but it caused error include/ -c sdr_bladerf.c -o ...
keddad's user avatar
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1 answer
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Need to use my home IP form remote server

I need to outgoing with my home IP from my remote VPS So I buy a raspberry pi 3 with raspian and place it at home. I have install Squid and I setup with this sample rules: acl me src MY_VPS_IP/32 ...
r1si's user avatar
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2k views

V4L2 doesn't use a lower advertised frame rate

I'm capturing images on Linux (Pi 3B+, Stretch lite). The camera reports that it's capable of delivering images at 30 fps or 60 fps. Here's the output from v4l2-ctl v4l2-ctl --list-formats-ext ioctl: ...
Josh's user avatar
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387 views

Getting errors while >> sudo npm install -g onoff in raspbian OS

error : [email protected] install /usr/local/lib/node_modules/onoff/node_modules/epoll node-gyp rebuild gyp WARN EACCES user "root" does not have permission to access the dev dir "/root/....
Kundan's user avatar
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1k views

Remove owncloud server from raspbian

Linux noob here so please be gentle. I followed a tutorial to install owncloud on my raspberry pi with an external hdd. Apparently owncloud doesn't play well with external hdd's so I tried to switch ...
Bravo Foxtrot's user avatar
1 vote
1 answer
200 views

smsc95xx removes assigned IP address

My setup is raspberry-pi 2 archlinux I statically assign eth0 a IP address such as 10.0.1.101. No matter how I do that (via /etc/netctl/eth0 or via cli: ip addr add 10.0.1.101/8 dev eth0); every ...
cibercitizen1's user avatar
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79 views

Cannot access the [bbbb::100] server page in 6lbr

I installed 6lbr on raspbian wheezy and when I run the server, I got a messages as "6LoWPAN border router started" but I am unable to access the [bbbb::100] server page. Also when I check "ifconfig", ...
Udana Pasan's user avatar
1 vote
1 answer
4k views

Trying to install i386 package libc6:i386 on Raspberry Pi 3 B+ fails

The end goal is to get my Raspberry Pi to work as a print server providing AirPrint for a Brother DCP-195C printer they already have. I'm trying to follow this answer on how to achive that. So I ...
usbpc102's user avatar
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1 vote
1 answer
143 views

Navit in FB causes SDL init -1

I'm trying to compile Navit for Rpi3 with Buildroot image (WPE Framework included). There is only WPE Framework running on startup (no x server) therefore I would like to display Navit using ...
user976928's user avatar
1 vote
0 answers
795 views

Wake computer via Wake On Lan using Arduino/Raspberry Pi

Is it possible to use Wake On Lan (WOL) without going through the router? Using an Arduino or Raspberry Pi connected to the internet to manually (through the ethernet port) tell the computer to wake ...
Albert MN.'s user avatar
1 vote
1 answer
234 views

How to receive external emails on email server

So far I have an email server set up using postfix / dovecot on a raspberry pi (debian). I can send emails externally and internally no problem however can only receive emails from within my server. ...
Eric F's user avatar
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