Questions tagged [networking]

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

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How can I use the Raspberry Pi as a Plex media server and access the files on my Firestick?

everyone The Raspberry Pi is an amazing machine, and there is a project I am aiming to do, but I need a bit of help. I am aware that you can set up the RPi as a media server using Plex. However, I ...
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1answer
62 views

Raspberry pi doesn't connect via ssh

I am quite new to the raspberry pi and to get used to it I wanted to start a project with it. The first step is obviously to flash an image (I am using Raspberry pi lite since the recommended one is ...
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116 views

Failed to get D-Bus connection: Unknown error -1

Well I ran into a major network failure when I try to get two PIs talking to each other directly through their Ethernet ports. They use to connect to each other and communicate, but for some odd ...
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1answer
57 views

Dynamically configure raspberry pi hostname

Using a script - How can I tell if another device already exists on the network with the same hostname as my pi? I'm building an IoT product using a raspberry pi. Currently I communicate with the pi ...
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1answer
34 views

Remote data transfer in a few km wide range

I am working on a project where the pi is operating on a wide range. I need a reliable real-time connection between my PC and the pi itself. What i was thinking about: -radio ×not an option, because ...
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3answers
35 views

Connecting to a smb server on my iMac

I figured this would be as easy as sudo mount.cifs //192.168.10.101/Media /mnt/media/imac -o user=house,password=12345 mount error(13): Permission denied On the Mac I created a share called Media ...
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1answer
72 views

Unable to connect to WIFI

I'm new to raspberry Pi usage and have taken over a raspberry pi project from a colleague who has just left. The model I'm using is 3B on a 7" Touch Display. Upon booting it up, it says 'no ...
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105 views

Headless SSH without Wi-Fi setup

||| Hello there, noob question: I've acquired my first rpi (a Zero W) three days ago and made a headless setup. Currently, it works as a logging device. I really liked the prospect of logging into the ...
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3answers
75 views

Why can't I find the local IP of my PI?

I tried the following command to find the local IP of my RPI: nmap -sP 192.168.1.1-254 But, the only IP I find is my PC. I know that my PI is at 192.168.1.6 which I can SSH into without any problem ...
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109 views

Raspberry Pi can't issue dynamic IP address to Laptop connected via Ethernet cable when Laptop is also connected to home wifi

I am new to configuring networks so please excuse my ignorance if I have made some obvious and simple mistakes. For educational purposes, I am trying to set up a small wired network where a Raspberry ...
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1answer
239 views

Disabling IPv6 to fix name resolution issues on LAN

I have a conventional LAN configuration. It consists of a router/firewall/gateway running OPNsense, and a variety of hosts - mostly Macs, RPis, Ubuntus, my WiFi APs and the usual phones and video ...
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Raspberry Pi 4 8GB not showing up on network and isn't able to transfer files

I recently bought a Raspberry Pi 4 8gb that I am using as a local nas. When I got it I connected it to wifi, installed samba and got it configured - it worked perfectly (was accessible/discoverable/...
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1answer
48 views

Restrict PI to LAN only on specific interface

I found out that manual network interface configuration should be done in /etc/dhcpcd.conf, not in (/etc/network/interfaces). Using the example right from the config file I added the following to the /...
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1answer
39 views

how do I route/ping from home router's clients to another AP's(raspberryPI) client. here, AP and router client is in same network

I have 3 RPi (pi1, pi2 and pi3) and 2 (pi1 and pi2) of them are connected to home router and receive IP address dynamically. One of the pi(pi2) is used as AP mode and another (pi3) pi is connected in ...
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154 views

no static IP on WiFi with dhcpcd

I'm trying to set up the Pi 4B as an access point for a device (headless standard Raspbian). Therefore I have plugged in a WiFi dongle which is correctly found as wlan1. I want to install a dhcp ...
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1answer
608 views

Linking two interfaces on same subnet using dnsmasq

I'm trying to configure my RPi to give me access to devices conencted either of eth0 or wlan1. Desired function is this: User connects to RPi AP via wlan1 and is given an IP Separate device connects ...
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20 views

WiFi Problems , including priority and not being able to connect to certain networks

So I am trying to setup my RPI4 wpa_supplicant.conf file with priority for my different networks , but the file just keeps reverting back to what it was before i edited it , and it also disable the ...
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596 views

What is ConnectionError Failed to establish a new connection: [Errno -2]?

I am running a 6 script and they are running at different timings using systemd service and timer. Each script access the same url at least once. When I check the log file of some scripts, they are ...
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170 views

Gstreamer parameters to stream multicast and reduce latency + framedrops

What I've tried: I'm using 2 Raspberry Pi's So I figured out to stream the desktop from one Pi to another with the following commands: Transmitter: gst-launch-1.0 -v ximagesrc use-damage=false xname=/...
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73 views

The wifi adaptor installation process gets interrupted with errors

I tried to install a wifi adaptor driver, but i keep on receiving this error and it does not continue from the point onwards. install -p -m 644 8821cu.ko /lib/modules/5.10.11-v7l+/kernel/drivers/net/...
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1answer
212 views

The installation of RTL8188EUS Wifi adapter interupts and displays two errors

Apparently as the Raspberry pi 4 model b does not support Monitor mode, i plan on using a WiFi adaptor to carry out the task.But when i try to install the drivers of the adaptor, there seems to be an ...
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2answers
121 views

Is it possible to use a raspberry-pi as a stand alone device to run Nmap programmes regularly? [closed]

Apparently, I plan on using the device to scan a particular network and to output results to a server, but would it be possible to leave the pi as a stand-alone device and to leave it scanning the ...
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2answers
4k views

Does the raspberry pi 4 chip set allow monitor mode?

I tried to run the command to test if my device supports monitor mode, airmon-ng start wlan-0 and this is the error is received, ERROR adding monitor mode interface: command failed: Operation not ...
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1answer
41 views

iPhone tethering failing with 169.254.x.x eth1 address

I'm tethering my RPi4 to an iPhone running iOS 14.4 using usbmuxd 1.1.1 and Linux raspberrypi 5.10.17-v8+ aarch64. When I plug the phone in and look at the interfaces with ifconfig eth1 appears but ...
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1answer
70 views

Raspberry pi working as a network scanner

I really want to use a raspberry pi to scan the network and to transfer the details to a web server. Apparently, I have planned on installing Nmap into the pi and use it to gather details of the ...
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20 views

Connect my Raspberry Pi, running an OpenVPN server with clients, to an external VPN Server

I want to connect my Raspberry Pi with OpenVPN Server on it to an external VPN Server, such that all (outgoing) traffic of the connected clients to my RPi going through my server is tunneled through ...
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25 views

Setting up the hardware on a Tor server

I live in the UK and have a BT broadband router on which I run a TP-Link 1GB Ethernet hub router, all of my computers run over the TP-Link 1GB Ethernet hub router, which connect to the BT broadband ...
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20 views

How to open a REST API port to internet while being connected to mobile hotspot for Internet?

I have a raspberry pi 4. Latest version for Raspbian [Full] installed. I have a rest API runnning on it. Which works if I send a request from locally connected devices. But unable to figure a way to ...
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2answers
289 views

raspberry pi as gateway lan/wifi

I bought Raspberri Pi 4 and installed predefined OS on it (I am using it headless). Raspberry pi is not connected to internet. Now I need to do this: in RPI Lan port is connected computer (device), ...
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1answer
118 views

Systemd networkd not working for wired ethernet

I followed Use systemd-networkd for general networking to switch to systemd-networkd on my Raspberry Pi 4. It works for wifi but not for wired. Wired worked before with raspbian default networking. /...
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1answer
3k views

rfkill: cannot open /dev/rfkill: Permission denied

I tried the following answer to disable networking, but an error is thrown when I log in. systemctl disable dhcpcd rfkill: cannot open /dev/rfkill: Permission denied I also disabled Bluetooth and Wi-...
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27 views

Pi 2B with docker loose connection after some time

I have a Raspberry Pi 2B, I installed first Raspberry OS lite and then Ubuntu Server. The behavior I will descript was the same in both systems. So, I wanted to use Docker to run a web server (1 ...
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128 views

How to reset all network settings - Raspian Buster

Not entirely sure how but I seem to have deleted some important network interface settings on an Install of Raspian Buster. It doesn't see either network interface and right-clicking to open the ...
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43 views

Raspberry pi mesh network ROS2 setup

I am working on a project where im going to be running multiple raspberry pis with ROS2 on a wifi network. To extend range im planning on running a mesh network. Im planning on creating the mesh ...
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1answer
105 views

Trying to make PI 4 into headless VPN, WiFi hotspot and provide VPN connection to a VOIP adapter [closed]

I’ve looked at this board and done quite a few Google searches and haven’t found what I’m looking for. I have read a few replies to posts that say the writer should include more information and be ...
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2answers
224 views

I want to receive a notification/alert if home network/electricity goes down

I'm using a fairly basic home networking setup, and would like to know when it becomes unreachable due to electricity blackout or internet being offline. My idea was to use my raspberry pi to send out/...
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21 views

error from dbus, no wifi after reboot

I corrupted the ssd, so until I get this error again (hopefully I won't, but I probably will because it already happened 2 times) I can't do anything. I got a messagebox with this error when booting: ...
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2answers
60 views

eth0 Static IP Not Working Unless Something is Plugged Into It [closed]

On my Raspberry Pi 4B, I have eth0 set as a static ip address (192.168.220.1) in /etc/dhcpcd.conf I have dnsmasq bound to eth0 at the same ip address to assign an ip address to any device that gets ...
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0answers
41 views

Port forwarding tap0 and eth0

I am trying to do portforwarding on my raspberry pi 4 with eth0 and tap0 10.8.0.5. I have followed this Guide to forward the internet connection from eth0 to wlan0 and changed it accordingly for my ...
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0answers
15 views

Mirror Ethernetport to another device

So basically I have 2 Raspberry Pis, 2 Computers(1 PC & 1 Microcontroller) and 1 VPN Server. The situation is as follows, I am accessing the Microcontroller (which is part of a larger network) via ...
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1answer
302 views

Constant dhcpcd errors: eth0: authentication failed from IP address: No such file or directory

My syslog is full of these errors: Feb 14 13:24:50 raspberrypi dhcpcd[564]: eth0: authentication failed from aa11::1111:aaaa:aa11:a1a1: No such file or directory Feb 14 13:25:54 raspberrypi dhcpcd[564]...
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1answer
146 views

raspberry pi fails to respond to pings after 7 a.m. every day

Every day at pretty exactly 7 a.m. my headless Raspbery Pi zero stops responding to network pings and it is not possible to ssh into it any more and I cannot figure out why that is or how to fix it. ...
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4answers
294 views

How to connect raspberry pi to separate wifi's

I have a headless pi setup and I want it to connect to two different wifi's at two separate houses. This is how my wpa_supplicant.conf is setup: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev ...
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0answers
31 views

Raspberry Pi OS: OpenVPN and Apache

My setup includes three networks: Remote network (192.168.100.0/24) OpenVPN network (10.235.238.0/24) Private home network (192.168.200.0/24) I got an OpenVPN server which routes into the remote ...
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2answers
667 views

Can't get Gigabit speeds with my Raspbberry Pi 4 powered NAS [duplicate]

I have a Raspberry Pi 4 acting as a NAS which I connect directly to my computer through cat 5 cable from the Ethernet port on the Rpi4. I have set up a file-server using SFTP and that has worked well, ...
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2answers
183 views

can't resolve hostnames on raspberry pi in private network

I have a fresh installed raspberry pi 3 that is connected to my laptop via ethernet. I want my laptop to act as a router between the raspberry and internet. I get the network and router configuration ...
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0answers
47 views

Configuring Rasberry Pi 2b for WiFi adapter monitoring fails upon reboot

I've been using this guide to configure my Raspberry Pi model 2b and turn my WiFi usb adapter into monitor mode. To note I used this github repo to get my WiFi usb adapter working on my Raspberry Pi ...
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2answers
220 views

Need Two IPs (using wlan0 interface) but do not have any control over static allocations

Brief: In a previous question I asked whether multiple IPs can be assigned via DHCP and reserved by a single Raspberry Pi. The accepted answer demonstrates how to achieve this by setting up virtual ...
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2answers
194 views

SSH to multiple Raspberry PI 4B

I have 2 PI that are connected to my local network first PI has the IP: 192.168.1.48 and the second one 192.168.1.49 that I can SSH to them in my local network without a problem, however I opened a ...
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1answer
85 views

RasPi IPv6 Address Only Taking /128 Subnet

My Problem I'm just now enabling IPv6 on my network, and already my phone works with it as expected (confirmed with a "What's my IP" search showing an IPv6 address with the proper prefix. ...

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