Questions tagged [networking]

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

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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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2answers
25 views

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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1answer
17 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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1answer
34 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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1answer
38 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
23 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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1answer
22 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 ...
3
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1answer
89 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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0answers
30 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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2answers
50 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
61 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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2answers
273 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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0answers
21 views

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
51 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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2answers
31 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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27 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
35 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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1answer
50 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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0answers
17 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
68 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
41 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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2answers
39 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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2answers
72 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
43 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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0answers
29 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 ...
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0answers
37 views

Use RPi Zero W as a Pure Wireless Router [duplicate]

I want to use a RPi Zero W as a completely wireless router. The built-in wireless device (wlan0) will be used to provide a local wireless network, and a secondary usb wireless device (wlan1) will be ...
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1answer
14 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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2answers
49 views

VNC Client on Raspberry PI Zero

I need to use VNC Client on Raspberry PI Zero. It doesn't have network interfaces, so I probably need to connect Raspberry via mini-usb to my Android phone. How to configure such network (via USB)? ...
2
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2answers
81 views

How do I find the IP address of my Raspberry Pi 3B+

I don't have a HDMI screen, nor do I have access to the router. From what Ive been told, it has Kali installed. I am connecting the Raspb directly to the computer with a Ethernet cable. I have tried ...
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3answers
58 views

No route to host problem

When I attempt to connect via SSH from the Pi (client) to another machine (server) on a port other than 22 I get a "No route to host" error message: Successful SSH pi@raspberrypi:/opt/pihole $ ssh ...
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1answer
93 views

How can I set my pi 3 up to be WiFi AND ethernet router simultaneously?

I want to use my Pi as a fully fledged wifi and ethernet router. I'll connect an external modem/phone with tethering to it and want to share that internet connection with all devices connected to the ...
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1answer
42 views

Serial to telnet - in reverse

Most people want to telnet into a Raspberry pi and use the serial ports to connect to something else. They want the Raspberry to be the telnet server. But I want the Raspberry pi to be a telnet ...
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1answer
39 views

Running subprocess in a service not working?

I have made a systemd service in Raspberry Pi with Jessy OS and it is given by. /etc/systemd/system/caportal.service [Unit] Description=captive portal automation [Service] Type=simple ExecStart=/...
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1answer
25 views

Networking restart not working?

In My raspberry Pi wifi is connected to my home wifi and eth0 is assigned with a static ip address. It act as a router between wlan0 and eth0. Raspberry pi get internet through the wifi. After ...
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1answer
25 views

Web server rpi ip address

I have a program in var/html/ and when I connect to it locally I can see it. I wondered how can I connect to it from the internet like a website. I already looked on google but did not find anything. ...
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0answers
29 views

sudo apt-get update isn't working / networking problem

I am getting following errors repeatedly upon using apt-get update command : pi@raspberrypi:~ $ sudo apt-get update Err:1 http://raspbian.raspberrypi.org/raspbian stretch InRelease Cannot ...
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2answers
24 views

Headless bootup diagnostic to see why no network

I've got the latest hardware (rpi 3b+) and am trying to get a flavor (ev3dev) to run on it. However, it never connects to the network - either ethernet or wifi. I looked into how I could capture ...
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0answers
26 views

Connected to the internet but unable to ping

I have a Raspberry Pi 3b+ with a Huawei E3372 LTE USB Stick. I use a mobile simcard in this USB stick to provide it with a internet connection. The problem now is that I can't even ping the IP ...
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1answer
37 views

Unable to connect Pi to PC via Ethernet and share Wifi/Internet

I am trying to use my Raspberry Pis internet connection to share it with my old PC (which only has an ethernet port) using the following article Connect Pi to PC via ethernet and share internet ...
1
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1answer
38 views

IP address randomly changed wlan0

I had an issue related to IP change. Is it typical for a Raspberry Pi to randomly change the IP? When I ran the command ifconfig, I noticed that under wlan0 inet, my IP address changed. I was made ...
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0answers
19 views

How do you set up Squid Proxy behind DHCP router?

I installed Squid on my RPi-3 for use behind a DHCP router. However, the pi will not route traffic back and forth between my computer because my router's DHCP settings. I don't want to give my router ...
2
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1answer
37 views

ngrok tcp via wlan0 to tcp server device plugged into eth0 help

i want to be able to access tcp port 9100 on my network printer when out in the field with it from a web-app running in AWS. I want to have the printer plugged into eth0 on the Rpi3 and the wlan0 ...
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0answers
16 views

Client can't connect to pivpn

I have a custom setup and wish someone could help. I have a main router(R1) and a secondary router(R2). I will refer to main router as (r1) and secondary router as (R2). (R1) is used for home ...
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2answers
40 views

RPI Ethernet Gadget Intermediary Theory

I am brand new to these forums so I apologize if I posted this in the wrong place but I had an idea that originated when I heard about the RPI Zero's ability to act as a USB Gadget or HID Device and I ...
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0answers
33 views

Can't send UDP packets

I am trying to send a 4-digit number, that is a result of two HC-SR04 sensors'measured distance, through UDP and according to almost every command and wireshark on my computer, the Raspberry isn't ...
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1answer
41 views

Connecting Raspberry Pi to 2 seperate networks

Hi I was wondering if the following setup would work. I am trying to accomplish the following. Connect to VPN server from outside my network and then VNC or RDP and possibly SSH into the other ...
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0answers
16 views

How can I make this setup refresh the files visible on the SMB server when files are added via usb?

I am trying to get this device https://www.raspberrypi.org/magpi/pi-zero-w-smart-usb-flash-drive/?fbclid=IwAR1GbWFUUhoGW8_enGVy9vwQLo-83pPKYnG_fsgZ1_uKuM75lq7bNw9PW6E Working in such a way that ...
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0answers
38 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
46 views

How to control the Bit Rate (mbps) of a Raspberry Pi Access Point

I have two "Raspberry Pi 3 B+" boards which are required to be connected. One Raspberry Pi is configured as Access Point (AP) and the other one is just a Client. When both are connected, I write the ...
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0answers
16 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 ...