Questions tagged [networking]

Questions about home networks, internet, repository issues or anything else regarding networks.

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Kernel Panic when connecting to hostapd with any device

For a project of mine I need to set up my Paspberry Pi model B (est. 2014) as an access point. The wireless interface is an Edimax that has been working without a hitch since I started using it: Bus ...
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Free PCI DSS Compliance Tools

I am very new to the PCI DSS World and need some tools to test out. Can you guys please suggest me some free tools that I can test out for my Payment Card Industry Data Security Standard (PCI DSS) ...
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How to create a private network with a smartphone or Raspberry Pi? [on hold]

My goal is to enable my friends and neighbors to connect to this private network with their own device (be it a smartphone or a computer). We would then use this network to share files and messages, ...
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Setting up an Ad-hoc Network on Raspberry Pi 4 Running Buster

So I previously setup my ad hoc network on my prior Raspberry Pi 3B by adding these lines to my /etc/network/interfaces file: auto wlan0 iface wlan0 inet static address 10.2.1.1 netmask 255....
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Is RaspberryPi powerful enough to act as a node of a mesh network?

Background to the question There are currently protests happening in Hong Kong. Shutting down the internet and communication is a common technique employed by the government. 2011 in Egypt: https://...
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Configure Rpi as router - error when starting network and DHCP interfaces

I looked at several solutions for this question, but none of them worked. Additionally, I tried some of the tutorials provided (with the necessary changes), but none of them worked My aim is to use a ...
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43 views

Two dhcpcd services: systemd and init.d

I see that there is a systemd service called dhcpcd5 and an init.d script called dhcpcd. Why both ways? What are the differences and how to choose which run?
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How to configure TOR on RaspAp?

having problems with installing TOR on RaspAp application, could anyone take a look at it? https://imgur.com/a/YAPi2EQ 1# shows that nothing opens when i press "Save settings" 2# picture is after i ...
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22 views

Wireless interface removed when DHCP lease expires

I have configured the wireless interface on my Raspberry Pi 3 as follows: allow-hotplug wlan0 iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf wireless-power off iface default ...
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26 views

Network Log File

Does the RPI have a log file stored somewhere (perhaps /var/log) for network interactions (such as connections, disconnections, etc.)?
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How to automate network login on a college lan(ethernet) connection?

I have a raspberry pi 3B connected to a lan port in college hostel room. Before, being able to access the internet, the connection requires the user to login using credentials given to the students by ...
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53 views

Can I use my Pi as an access point in headless mode?

I'm using my Raspberry Pi in headless mode (through ssh) and I want to set it up as a wireless access point. But if, acting as an access point, it forwards packets from the ethernet interface onto ...
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Raspi 4 - PulseAudio Server issues

I am currently trying to setup a pulseaudio server on a new Raspberry Pi 4. In our office, we like to listen to music but passing the aux cord around is always a pain, so we thought we could use a ...
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Configuring WWan LTE modem (SIM7000a)

Does anyone have any experience hooking up a WWAN? I picked up a SIM7000A and re-activated one of my AT&T hotspot sims to work with it. This particular one is a PCIE card but came with a PCIE to ...
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44 views

Using RaspberryPi 3 B as hotspot

I am trying to use Raspberry Pi as hotspot device. I am following this documentation: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md I am not using ethernet eth0 to ...
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56 views

Raspberry Pi ethernet network bridge with seperate wireless connectivity

As explained here, I built an Ethernet bridge using a Raspberry Pi 3b+. As an extension, I am now trying to connect it to the internet via the Wifi interface. For that I configured the wireless ...
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57 views

avahi, zeroconf, mdns + mqtt network

I am new to avahi. And I am not sure how to build a dns-like local area network where all devices can communicate over a mqtt gateway. I am probably wrong. But it seems to me I want to have a unique ...
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2 RPi's one VPN server one VPN client how to

I have 2 raspberry pi's that I'm playing around with. One raspberry pi I have set it as a vpn using pivpn I have enabled port forwarding on my local router and I can access the vpn at home using my ...
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34 views

Wifi access point suddenly stops working

I use raspberry pi 3. I have followed the official documentation + some troubleshooting to get it to work. I will share my configuration files. I have a suspicion that it has something to do with my /...
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46 views

Send input commands to control omxplayer through netcat

So my question is about how to control omxplayer remotely using netcat (nc) or simple TCP. Do I need to use named pipes and if so what are the commands needed. There are many way to accomplish what I ...
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29 views

sudo iwlist wlan0 scan not work

Background I connected MacBook Pro with Raspberrypi3 B+ by Lan and SSH because I have no keyboard and monitor for PI3. ssh pi@192.168.2.3 OS : raspbian-stretch-lite Model : Raspberry Pi3 B+ pi@...
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27 views

Communicate between two Raspberry Pis using USB-Ethernet cable

I have two raspberry pis I want to communicate between. For convenience, let's say one is always the talker and the other is always the listener. The listener's ethernet port is occupied by another ...
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50 views

DNSMasq unknown interface wifi0 - failed to start

Introduction I am trying to use my Ubuntu Core-RaspberryPi as a Wifi Access point. Therefore, I am using hostapd and dnsmasq. I followed this tutorial in order to setup everything. I start them ...
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36 views

isc-dhcp-server can't bind to dhcp address

I'm trying to set up an ethernet DHCP server on a Raspberry Pi to connect one device via eth0 and give it an ip address, but I cannot for the life of me get the service to start. This won't be an ...
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25 views

Connect a RPi with an android device directly via Ethernet

For a certain project I have a very specific need to connect a Raspberry Pi with an unrooted android tablet through a UTP cable (with an adapter on the android side). Both of these devices work fine ...
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28 views

mysql-server: Setting bind-address not working without launching manually as root

I haven't been able to get my mysql-server on my raspberry pi to communicate with other network devices with networking enabled unless I manually start the server myself with sudo mysqld --bind-...
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raspberry pi 3 - connecting multiple pi's via ethernet problem

I'm trying to connect three raspberry pi 3 B+ together via ethernet. All three are connected via wlan0 to my wifi network for internet. All are connected via ethernet cables to the same desktop switch,...
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35 views

IP routing table is empty

I've just opened the pi for the first time, with Raspbian Buster Lite. When I type route -n I get: Destination Gateway Genmask Flags Metric Ref Use Iface I would expect to see the gateway ip here. ...
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59 views

How to use my Linux computer's internet connection in Raspberry Pi through a router?

I have connected my desktop computer (running Ubuntu 16.04) to my Raspberry Pi through a router (ethernet connection). My computer can access internet with USB tethering from my phone. I can SSH to ...
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39 views

launch program after network up with Stretch

I'm looking for a solution to launch a program when the Raspberry boot, but i need to have an internet connection before launching this program. I saw few exemple with post-up command in interface ...
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1answer
33 views

Raspberry Pi wifi adapter constantly down

Both my Raspberry Pi 1 B+ and Zero W 1.1 have the same issue when I attempt to connect TP-Link WN725N adapter - it seems its constantly down, despite changing the state manually: pi@pr-grape:~ $ ip ...
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27 views

Dhcpcd config file - two wifi configs at once

I have a Raspberry Pi Zero W v 1.1, to which I don't have any way to connect display adapter, therefore I communicate with it through ssh. It is connected to one isolated wifi network(with no internet ...
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156 views

Building a 'Packet squirrel" using Raspberry Pi

I recently read about hack5s' Packet squirrel, and now I am interested in building a similar device that sits between 2 endpoints (say router and PC) and monitor all the traffic but be invisible to ...
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60 views

setting up multiple IP addresses on one ethernet interface?

I am running Buster on a RP3B+. It is configured as a stand-alone wifi access point running dnsmasq. No bridging to the eth0 / Internet. It also has a wired eth0 interface. Everything is working ...
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67 views

Raspberry Pi “Temporary failure in name resolution”

After many hours of googling and testing for a solution, I am stuck. I would really appreciate some advice. Situation - I have (5) Raspberry Pis 3B+ (RP) at various customer locations and I want to ...
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1answer
80 views

Created a Raspberry Pi 3B+ Wireless Hotspot, how can I extend the hotspot via Ethernet

I have successfully created a WiFi hotspot for my RPi 3B+ using a Hologram Nova and the embedded WiFi card on the Pi. However I realized that the ethernet interface has disappeared and cannot extend ...
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331 views

how does the Raspberry Pi PoE shield work?

I would like to do PoE for some Pies, but I dont like the real-estate the PoE hat takes up. what exactly is required for the PoE to work? what pins must I use on the raspberry PI, and what does the ...
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Can I boot off a network if I can't modify my router?

My Raspberry Pi needs to be connected to my home router, which unfortunately is a standard router provided by my ISP, so I can't change anything on it. I have another main computer running, which I ...
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1answer
58 views

How to set up static IP addresses on wired and wireless networks?

I have been struggling to configure static IP addresses for my wired and wireless connections on my Raspberry Pi (Raspbian). If I add these lines to /etc/dhcpcd.conf then after rebooting I can ...
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40 views

how to send an image from raspberry pi to web server? [closed]

Looking for example codes on how to send images from Raspberry pi to a web server via wifi. i am really new to raspberry pi and there's already a tomcat server. I really need your help
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41 views

Revolution Pi wifi doesn't connect unless WiFi dongle is manually reconnected

I have a Revolution Pi connected via WiFi dongle. Network is configured properly in wpa_supplicant.conf . I have a script that is running on my program's startup that restarts the interface (...
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2answers
40 views

Is there a way to physically disable wireless networking capabilities?

I'm looking to create a cheap air-gaped computing device to store and utilize sensitive data like cryptocurrency wallet addresses or PGP keys. Now, I'm a total newb when it comes to Raspberry Pi but ...
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64 views

Running Hologram cellular network from startup issues [cannot run on rc.local or .bashrc]

I’m playing around with the hologram Nova cellular USB kit and I’m trying to create an automatic connection using the /etc/rc.local file. Hologram uses it's own way of connecting to a ppp0 network ...
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24 views

Maximizing the number of active BLE/Bluetooth connections

I would like to connect around 30 smartphones via BLE to a Raspberry PI enabled system, however, googling around showed that it supports up to 5-7 active connections only. It is expected these 30 ...
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1answer
73 views

Setting Up A Raspberry Pi As A Wi-Fi Router

I want to set up a Raspberry Pi 3B as a Wi-Fi router/hostpot. Is there is a quick and easy way to do it without compromising network security? I love the thought of making it into a router because the ...
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1answer
83 views

Troubleshooting Ethernet: Network is unreachable

I have a Raspberry Pi 2 Model B V1.1 running Raspbian (I'm not a confident Linux user, but I understand this is the "Jessie" distribution) and have been using it to install matplotlib and other MATLAB-...
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41 views

How do I download raspberry pi updates to a linux server [closed]

Relativity new to Raspberry Pi and Linux in general, but essentially I'm trying to create an update repository for my Raspberry Pis via a separate Linux server, how would I go about doing this? On the ...
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73 views

Utilising a Raspberry Pi as a wireless access point and a webserver

I have followed the official Raspberry Pi documentation's guide to setting up my Raspberry Pi as a wireless access point, with a shared internet connection using the bridge functionality discussed at ...
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1answer
76 views

Connect Philips Hue Bridge 2 via Raspi to Wifi

Is there a possibility to connect my Philips Hue Bridge to a wifi network through my Raspberry Pi 3 B+ with Raspbian Stretch Lite? Background I live in an apartment compound with a separate wifi ...
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42 views

I can't connect to windows samba network using Raspbian and Pi-Top OS Polaris

I have a Raspberry Pi 3B+ running Raspbian, and a Pi-Top with another Raspberry Pi 3B+ running Pi-Top OS Polaris (which is mostly Raspbian). My issue is that they can't see nor connect to any of the ...