refers to the wired style to connect a bunch computers or a way to connect to such network. This tag is for both software and hardware part of this issue.

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1answer
14 views

How to do mac spoofing on Linux Mint 17?

How to do mac spoofing on Linux Mint 17? Through macchanger -a I've tried to changemy mac address but new mac id doesn't authenticates successfully. pppd gives successful authentication message only ...
3
votes
2answers
65 views

How to check programatically if the Ethernet cable is plugged in?

As you know, in Windows, when we plug in the network cable, the network symbol will change to another status. How can I know whether the cable is plugged in or not via the command prompt in Linux?
3
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4answers
286 views

Transfer files between Windows and Linux machines?

My problem is that I need to backup the files on my Linux machine to my Windows laptop. My external hard drive died, and so backing up to an external drive is out of the question for the time being. ...
0
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0answers
23 views

Why on my Linux PPPoE connection displays sometimes authentication failure?

Here is my log: Oct 18 09:51:52 -desktop pppd[2764]: Plugin rp-pppoe.so loaded. Oct 18 09:51:52 -desktop pppd[2766]: pppd 2.4.5 started by root, uid 0 Oct 18 09:51:52 -desktop pppd[2766]: PPP session ...
1
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4answers
112 views

How to find IP address of device connected on the same network as PC based on MAC id

A PC and embedded Linux device is connected on the same local network.(We don't have DHCP server access, IT admin has the access). We also don't have access to debug UART on the embedded Linux board. ...
7
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2answers
348 views

Identical MAC address on two different VM, yet I have internet connectivity

I have set up a network as such: Set up host-only networking on VirtualBox. The first adapter is configured with NAT, the second with host-only networking HOST: Windows GUEST: CentOS VM1, CentOS VM2 ...
2
votes
2answers
41 views

Test connectivity of a Interface

I have a raspberry Pi with three interfaces eth0 (Ethernet), wlan0 (WiFi), and wwan0 (via a GSM modem) How can I test if an Internet connection is available via a certain interface? e.g. is my ...
0
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0answers
84 views

BeagleBone Black doesn't connect via Ethernet on laptop

I have a BeagleBone Black board connected to my laptop with only a serial connection and the Ethernet cable, and powered by the 5mm jack. The serial connection works fine, I can login at any time, but ...
1
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3answers
45 views

How to get the original MAC address of a network card, after the OS modified it?

How can I find out the original MAC address for a network card, after it was modified by the OS? dmesg doesn't provide it, and the logs in /var/log too, and dmidecode doesn't provide it too and ...
0
votes
2answers
40 views

Wifi and ethernet unstable (takes many tries to connect, disconnects)

Both my WiFi connection and my Ethernet connection have recently (I'd say about a week ago) become unstable, without any change in the configs. Now in order to connect I've to try several times and ...
1
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1answer
40 views

How to test an ethernet card?

I have a USB->Ethernet card that may or may not be somehow broken. The problem is I don't really know how to test it. I have a normal Ethernet port as well, so I can hook a (already tested) cable from ...
0
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3answers
72 views

How do I configure my Linux computer to provide Internet to a FreeBSD computer via Ethernet port?

I have FreeBSD computer to which I want to provide with an Internet connection via the Ethernet port. I bought a single board computer (SBC Wangboard DUAL) onto which I have installed Ubuntu. I ...
1
vote
1answer
80 views

ifconfig ethernet (eth0) no data flow

Hello this is my ifconfig output: eth0 Link encap:Ethernet HWaddr 50:46:5d:44:5e:fe inet addr:10.0.0.6 Bcast:10.0.0.255 Mask:255.255.255.0 inet6 addr: ...
3
votes
0answers
62 views

difference tun/tap, is the interfaces that handle protocols or the OS?

I have difficulties to understand difference between tap and tun interface. I know it is an often asked question and I apologize for that. I asked the same questions on stackoverflow and someone told ...
0
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0answers
22 views

Intel Centrino Wirelsess-N 1030 not getting connected on generic mode in ubuntu 14.04

I upgraded Ubuntu from 12.04 to 14.04. After upgrading neither WLAN and ethernet work and also does not work in recovery mode (enable networking) or root shell. When booting the previous version ...
1
vote
1answer
74 views

Change eth0 to em1 on Scientific Linux

The aim is to standardize the Ethernet adapter type on all production servers. One of these servers disposes an em1, rather than eth0. Today, an attempt has been done to change it, without success. ...
0
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0answers
128 views

eth0 and wlan0 set-up problem in Linux Mint

I had a perfectly working wi-fi connection on my Mint-KDE PC. Recently, I brought a Synology NAS and after some research figured that I need to set my eth0 to static IP for it to connect to NAS via ...
0
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0answers
753 views

Linux Mint 17, Wifi Slow and Drops Connection, No Ethernet Connection

On a fresh install and updated Linux Mint 17 XFCE, the system cannot maintain an internet connection through wifi, and is unable to connect at all through ethernet. Wifi will work somewhat slowly for ...
10
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2answers
435 views

How can I create a virtual ethernet interface on a machine without a physical adapter?

I have a Dell XPS 13 ultrabook which has a wifi nic, but no physical ethernet nic (wlan0, but no eth0). I need to create a virtual adapter for using Vagrant with NFS, but am finding that the typical ...
3
votes
1answer
156 views

How can I most simply transparently bridge traffic between wlan0 and eth0?

I am looking to do this on a Raspberry Pi, but I don't mind which operating system I have to install, so the easiest most out-of-the-box solution for Pidora (Fedora 20 Remix), Raspbian (Debian) or ...
1
vote
2answers
62 views

netcat to capture ethernet

How can I make sure the result of the following command: nc eth0 &> capture.txt would capture the data + errors transmitted via eth0?
2
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0answers
56 views

reset Ethernet bonding without rebooting

I have the following Ethernet bonding configuration: old configuration: bond0 eth0 eth1 bond1 eth2 eth3 new configuration : bond0 eth0 eth2 bond1 eth1 eth3 I have made the ...
0
votes
2answers
88 views

Access remote server after running ifdown eth0

I had a problem: Could not retrieve mirrorlist http://mirrorlist.centos.org/release=6&arch=x86_64&repo=os error was 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'" Error: ...
1
vote
1answer
38 views

Unable to see eth0 after ifconfig

Yesterday, I have done some changes in /etc/sysconfig/network-scripts/ifcfg-eht0 in centos 6. I have edited the value of nm_controlled= "no" after "Yes". Now, I am unable to see the "eth0" after doing ...
0
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3answers
1k views

eth0: ERROR while getting interface flags: No such device [duplicate]

I set up CentOS yet. it's no network connection. eth0 is not device list. I take a message network is unreachable while ping 192.168.0.1 the screen shot of device list How can I do reachable ...
1
vote
1answer
121 views

How to transfer data “offline” between osx and ubuntu?

I need to transfer around 50gb of data from my Ubuntu to my OSX. scp and samba are both too slow it seems - even with the Ethernet cable connected (14-15 hours!). I have physical access to both ...
2
votes
2answers
240 views

How can I install Fedora with a newer kernel?

I want to install Fedora on my computer with a netinstall, but it seems that the kernel doesn’t support my ethernet chip (Intel I218V). I tested Ubuntu 14.04 and Arch Linux and the ethernet chip ...
0
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0answers
61 views

Cannot connect to wired ethernet after hibernate

When I am at home I use wired connection on my laptop and it works fine. Then I put it to hibernate with sudo pm-hibernate and start it up again when I am work. I am not able to connect to internet ...
0
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0answers
231 views

Nvidia ethernet port not detected on Centos 7

When I tried to install Centos 7, my Nvidia ethernet port was not detected during the installation, whereas in all other distros it works perfectly without any problem. My rig is an AMD Athlon x2 64 ...
2
votes
0answers
135 views

Multiple virtual interfaces all bridged to eth0

I'm following this tutorial for setting up bridged a bridged Ethernet interface using uml-utilities and bridge-utils and it works for 2 interfaces but no more than 2. What I'm trying to achieve is ...
3
votes
1answer
101 views

How to tell if two ethernet interfaces are on the same lan?

I have to secure interfaces on Linux servers by setting bonding interfaces. The cabling information is not accurate. Is there a simple way to know if two interfaces are connected to the same LAN? ...
0
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0answers
129 views

How to make linux see my internet connection?

I'm sort of booting off of a Mint 17 LiveCD (the situation is described here: How can i make my pc boot back into windows?) and the network does not work. It's wired if it matter. I've also tried to ...
0
votes
1answer
255 views

wired ethernet interface not detected by lshw, lspci

I have a Toshiba Satellite PSAG8U-04001W. No eth* interface shows up on ifconfig. $ ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 ...
9
votes
1answer
209 views

Why my ethernet interface is called enp0s10 instead of eth0?

Just that, when I run ifconfig -a I only get lo and enp0s10 interfaces, not the classical eth0 What does enp0s10 means? Why is there no eth0?
4
votes
1answer
40 views

How do you ensure physical network interfaces always get the same interface name across reboots on an embedded Linux system?

For an embedded Linux system, if I have two or more network interfaces, how do I ensure that they always get the same interface names every boot In other words, I want, for example, eth0 to always ...
2
votes
1answer
150 views

Check for plugged in network cable on startup

I actually wanted to post the below as an answer to this question titled: ifup eth0 timeout during boot. But am not sure if this is right approach or it's a way of screwing up things badly. We can ...
0
votes
1answer
88 views

Route a local connection via an ethernet link in QNX

I am currently facing a challenge in QNX, where I have 2 Network Interfaces - viz. one Network port from PCIe Ethernet Expansion card (wm0) and other from the normal Ethernet port (en0). I have ...
0
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0answers
76 views

OpenBSD Atheros AR8151 no Ethernet media present

I installed OpenBSD 5.5 on an ASRock AD525PV3. The board uses the mentioned Atheros LAN. It shows alc0 on ifconfig, but the media only has Ethernet manual, and I can't use the LAN. Is there a way to ...
2
votes
1answer
128 views

Most reliable way to check for connected client?

I have an embedded Linux OS developed from scratch using Yocto. This talks to a Windows XP/7 client. The embedded OS runs a DHCP server and gives an address to the client. The problem is that the ...
3
votes
1answer
123 views

Ethernet adapter stuck at 10 Mbit/s

My Ethernet adapter is somehow stuck at 10 Mbit/s. Here's the output of ethtool eth0: Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full ...
0
votes
1answer
425 views

Ho to bridge wlan0 in AP mode and eth0 so that eth0 is static and wlan0 uses DHCP?

I have a router that provides internet access. Connected to this router is a desktop PC that has working eth0 (static IP address) and wlan0. Also connected to the router is a laptop which I use to ...
0
votes
3answers
154 views

Data transfer between Ubuntu and CentOS [duplicate]

How do I transfer data between Ubuntu and CentOS using LAN cable, in the same network? I tried installing Samba which did not go well in CentOS.
2
votes
1answer
1k views

mutliple default gateways for alias interfaces (SOLVED)

Alias interfaces defined in /etc/network/interfaces cannot have multiple default gateways. Unfortunately I would like to use the same interface to access 2 differents nets, and I need to define 2 ...
2
votes
2answers
769 views

My Atheros Ethernet network drive is not working with Xen Redhat client

First I am a beginner in use Linux operating system, and I am not familiar with the error messages I have TOSHIBA Satellite laptop Intel (R) Core (TM) i5-4200m CPU I have installed Red Hat Enterprise ...
3
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0answers
298 views

linux udev rule to load gadget module for client driver

I'm having a hard time automating loading a gadget module and bringing up the usb0 device as a eth interface. The interface in question is g_ether for a embedded Linux device and connecting to a PC. ...
4
votes
1answer
141 views

Send traffic to self over physical network on Ubuntu

I have a dual port ethernet NIC and let's say I have connected both ports in a loop and assigned the following IPs to the 2 ethernet interfaces: eth2 -> 192.168.2.1 eth3 -> 192.168.3.1 I want to ...
1
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0answers
93 views

Which filter configuration in kernel rate limit the outgoing packets to 1packet/sec?

Which net filter in kernel configuration other than iptables enable rate limiting on the outgoing packets on ethernet port?
1
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1answer
65 views

Can I mirror lo as eth0? [closed]

Is it possible to make eth0 point to lo? I have dumb process that keeps acting as eth0 exists while it doesn't.
2
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2answers
357 views

change eth0 to eth1 without udev

I have very interesting issue, We have Redhat 4 Linux and it is has 4 Ethernet interface. eth0 eth1 eth2 eth3 Now only eth0 is connected to LAN and everything working find. We have special software ...
2
votes
1answer
3k views

No wired ethernet connection

I'm using elementary OS (based on Ubuntu 12.04) and yesterday I woke up to no wired ethernet connection. As far as I can remember I changed absolutely nothing, it was working at night and not anymore ...