Questions tagged [networking]

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

523 questions with no upvoted or accepted answers
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254 views

PI Zero gadget with g_ether on Ubuntu host creates new wired connection every boot

I have a Raspberry PI Zero running Raspbian Stretch 2017-09-07 configured in otg mode with the g_ether module loaded. When I set a static IP in the interfaces files, connecting on Windows is ...
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953 views

How to connect raspberry to WEP encrypted and dhcp enabled Ad-Hoc network

I have Three Rasbperry Pi3 and I have configured 2 of them as dhcp enabled ad-hoc network server they are working fine and I can connect to them using Windows PC and Linux PC as well as from Mobile. ...
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1k views

Raspberry Pi Wireless Access Point with Proxy

I'm thinking of using my Pi3 (Model B) as a Wireless Access Point - I've seen lots of tutorials on them and I've heard that the Pi3 has AP compatibility built in! If I decide to go ahead on this ...
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2k views

RPi Zero W keeps losing WiFi connection until restart

I have a Pi Zero W running software that constantly retrieves internet information (there is no reason for the WiFi to "sleep" although I think I've already turned off all the power-save stuff). Every ...
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101 views

Problem in using udhcp and dnsmasq on same machine

I am using my Raspberry Pi for configuring both as an wifi hostpot and wired router not at same time. I have written separate bash script file (.sh file) for creating configuration files for wifi and ...
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989 views

cannot forward from wlan interface to another wlan interface

I have two wlan interfaces: wlan0 wlan1. wlan0 is an AP managed by hostapd, where as wlan1 is a normal wifi interface, which is connected to my home router via wpa_supplicant. Additionally I have my ...
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93 views

Raspberry pi wlan0 appears but not enable to enter internet

I have raspberry pi2 and I want to connect wifi with adding wifi adaptor to my raspberry pi. So I did some adjustments : sudo nano /etc/network/interfaces auto wlan0 allow-hotplug wlan0 iface ...
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3k views

Raspberry Pi, Python and snmp traps, tripping a light when a network drop disconnects

I've got a fun little problem that I have hacked together a solution for, but I'm thinking there's probably a more elegant way of going about it. (I also had one heck of a time googling any ...
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234 views

How does Raspberry Pi get its IP through DHCP?

How does a Raspberry Pi send a DHCP request on startup? I have a hunch that it is through the program dhcpcd, if so, is it possible to disable dhcpcd and instead have dhclient run as the default DHCP ...
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1k views

Building an ad-hoc mesh network with batman-adv

I am attempting to set up an ad-hoc wireless mesh network with a few RPis as part of a project at University this summer. I have looked around at a number of ways of doing this, there doesn't seem to ...
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53 views

Cable network don't work propertly

I have this problem during the last weeks so I'm going to detail it everyting I can. I'm sorry if there is unnecesary info here. A few weeks ago I changed my home network. Before changes, I had a ...
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526 views

Raspberry Pi Zero OTG -> Raspberry Pi 3

I found IPv4 forwarding from RPi 2 to RPi zero via OTG cable as a solution to my question, but there is a problem I cannot solve. Raspberry Pi Zero works fine with Pi 3 but I can't connect any other ...
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20k views

Static IP configuration in dhcpcd.conf ignored

My RaspberryPi 3 running Raspbian Jessie ignores my static ip configuration of adapter wlan1 (USB WiFi) in /etc/dhcpcd.conf. (At the moment it's physically not possible for me to test wlan0 and eth0.) ...
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1answer
125 views

Rasberry Pi - network boot with old router

I apologize in advance if this is a stupid question, but I really don't have a good background knowledge about networking. I did try to google all this stuff, but I simply couldn't find anything ...
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139 views

eth0 'bricked' - no link light despite fresh install of Raspbian

I am currently working on a project to set up a Pi 3 to serve DHCP leases to devices that connect to an isolated local network to configure them. In the process I have somehow managed to render eth0 ...
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216 views

Static IP address for a specific hardware interface

I have a Raspberry Pi 3 and the on-board WiFi isn't strong enough for my needs. Thus, I have an USB WiFi that is plugged in there. I set its static IP address using wlan1 and I thought that would be ...
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35 views

Weird Ethernet behavior when switching SD card between Pi 3's

I've got a number of Raspberry Pi 3 Model B's running Raspbian-Jessie-Lite (2017-04-10) that I've been trying to test switching the micro SD card between. I can have a Pi up and working perfectly and ...
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194 views

Unable to install vnc server as unable to update

I have just installed Raspbian on my Raspberry Pi. Now I want to install the GUI. So for that, I tried to install VNC server by runing sudo apt-get update Which gave me the error: temporary failure ...
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119 views

Pi 3 cannot see Ubuntu hotspot Wi-Fi

I want to connect my pi3 wirelessly, for that i need a hotspot wifi. But hotspot should be on laptop which is Ubuntu 16.04 LTS on it. When i try to scan all wifi on Pi it can see only Windows-Android ...
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408 views

Connect RPi to Hard Drive Connected to Router

I am trying to connect my Pi to a hard drive connected to my router. This was easy to do on Windows, but I can't figure out how to do it on here. Please help
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1answer
210 views

Python Code for Home Automation times out

I was making a python script for home automation using Adafruit IO as a conduit between IFTTT and the Raspi, and it works great for a while. But after a few hours, it just stops working. I have no ...
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576 views

does the BCM43143 wifi chip on the RP3/RP0 support ad hoc networking?

I'm planning on using the virtualhere app to set up a portable usb over ip server as well as giving me a way to screen cast (when i'm away from my home network) to my yogabook, which is irritatingly ...
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99 views

Route one ip from wifi to ethernet

I got this network: I run an application on my RPi3 (hosting on 10.0.0.1) and I plug it on a server (which run an other application hosted on 20.0.0.1). I set up my raspberry as an access point wifi ...
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159 views

cron-apt is always unable to connect to network

I am using cron-apt to keep my Pi up to date. However, since a few weeks, I always get these error messages in the mail, when cron-apt runs: CRON-APT RUN [/etc/cron-apt/config]: Sat Feb 25 04:00:01 ...
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705 views

Can't connect to my Raspberry Pi 3 with a socket

I want to use my Raspberry Pi 3 as a server so I want to connect it via a socket. At first time everything was fine but now I cant connect any more. I get this error: ConnectionRefusedError: [...
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347 views

localhost Apache Very Slow

I have my RPi set up as an Apache2 Webserver. When I curl to localhost with my network cable unplugged I get a response in <1s However, once I connect the network cable - the time for response ...
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1k views

Getting Connection timeout error while connect to Raspberry pi from laptop through SSH

My RPi is running rpi_pisces_r3. I am trying to get SSH setup. I have connected the RPi to the router through LAN and from router to laptop via LAN itself to establish connection between RPi and ...
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80 views

How can I limit WiFi scanning on RPI3 to single channel?

I am writing an code where my Pi is taking lot of time scanning on all channels. I have configured all my routers to same channel to save time. How can I limit my Raspberry Pi to scan all the routers ...
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576 views

Properly run a script when interface connects / reconnects to network on Jessie

I got two internet connections... second one doesn't work without routing changes... other thing is that one user has routing through one connection, and other through other... so I need to apply ...
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239 views

Connect 2 compute modules with networking

I've recently acquired 4 Raspberry Pi Compute Module 3's. I plan to develop a Circuit board that has built in networking, to allow both compute modules to talk to one another across a local network. ...
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8k views

Pi as NAT router - Routing is not working

I'm following this helpful guideline on using a Pi as a router. I have a Pi 3 with Jessie Lite. The AP function is working well, but the NAT routing does not work. Any devices connected to the LAN (...
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61 views

Internet connection not shared with Raspbian

I have been following the same tuto as this one Sharing the Pi's WiFi connection through the Ethernet port. I have a very similar setup. My phone hotspot providing the internet. My Pi connects ...
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1answer
72 views

User friendly interface to network settings

Right now, my team plans to deliver configured Raspberry Pi machines to our clients' homes so we can ssh to them. The only problem is that we don't have their home Wi-Fi SSID and password until we get ...
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108 views

Create local wifi network to connect my tablet with RPI

I want to create local wifi network using RPI so that my Android tabled can connect to RPI using wifi to exchange files with RPI (sftp). Previously I tried to use simple mtp but somehow it does not ...
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411 views

Pi 3 802.1x secured Wi-Fi

My school's Wi-Fi is 802.1x with username/password security. I just installed the OS on my PI 3, and after booting up it sees this network, but for some reason it is greyed out. All other networks it ...
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492 views

How to share PPPoE connection via WiFi?

I build wifi router for my house in the countryside. I only can have internet via wireless so I buy USB grid antenna and connect on PI and made a bridge to internal antenna. USB antenna is connected ...
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142 views

Routing problem

I'm searching for a solution for what I consider a simple routing problem but I can't get my head around it. It's about 3 pi's. The first one works as an accesspoint (I call it #1), the second one ...
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4k views

ssh_exchange_identification: read: Connection reset by peer

I have been successfully SSHing into raspberry pi from my computer terminal, which are both on the same LAN and connected to router with LAN wire. But today, I am getting following message. ...
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344 views

How do I connect my RPi to university Wifi?

I have changed the /etc/wpa_supplicant/wpa_supplicant.conf using tutorials on the web. But no connections. I am using a Pi 3.
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1k views

Cannot use iw scan command

I'm connected to my pi using ssh via ethernet. I connected an Alfa AWUS036NHA network adapter to it and when I attempt to use command sudo iw dev wlan0 scan I get the following error command failed:...
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848 views

u-Blox SARA and ModemManager

I have a u-Blox SARA-U270 device connected to a Raspberry Pi 3 via UART GPIO pins, that I am trying to use for a 3G connection as a backup. I would like to manage this via NetworkManager/ModemManager ...
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231 views

Set up a VPN server that reroutes all traffic

I am on mobile so sorry if this question is asked before. I have a Raspberry Pi 3 and would like to do the following: It runs a service for VPN server using commonly used protocol by Windows. Then ...
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229 views

dhcp takes so long to obtain IP

on RPi3 I'm running Raspbian Jessie Lite. I configured the network to use dhcp on WiFi. It works but it takes very long time to get the IP, ofter over 30-40 secs! Usually my PCs, phones and other ...
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148 views

How to test performance of pi as a wifi access point?

EDIT I run the pi (either a pi 2 with external wifi dongle or pi 3) as servers and WAP for a local server project (no internet connexion involved here). I have noticed that the performance of the pi ...
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1answer
805 views

Network ping Problem

I recently bought the Powerline, so like this I can transfer Internet via the electric cable line from the wireless LAN router to another place where the wifi is not covered. In this last I connected ...
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405 views

My system keeps locking me into safe mode and boots directly to root shell

Help! I keep getting boot error on my RPi and being locked into safe mode only having access to root shell and losing network connectivity! It is the forth time this happens, the first time I have ...
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4k views

Raspberry pi connect eth0 and wlan0 simultaniously

I am using a raspberry pi 3 with eth0 connected to a router with no internet and wlan0 connected to a router with internet access. i want both the interfaces up. but right now only eth0 is up. I ...
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1k views

Remote restart after -bash: fork: Cannot allocate memory

I am running Raspbian on a Raspberry Pi which is located in a remote location. I use Putty to connect to it via SSH. I can connect fine but when I try to run any command I get the following: -bash:...
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984 views

Missing pand command: which package does it belong to?

I'm trying to setup a PAN through Bluetooth with my Raspberry Pi 3. Many guides available on the internet suggest to use the pand command but whenever I run it I receive a command not found error, ...
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118 views

rPI access point devices can't see upnp devices, but can access by ip. Missing iptable or incorrect interface setup?

I posted yesterday, but forgot my login, sorry guys :( I setup a basic wireless access point to access my ethernet network from my wifi devices not near it. I can access devices by ip just fine, but ...

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