LAN is short for local area network. Commonly refers to cable bound networks.

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how i can poweroff all the computers in lan from single computer

I have 5 desktops, all running Ubuntu 14.04 64 bit. All are connecting to the Internet through the LAN (using a dlink switch), i want to shutdown all the computers from a single computer,is it ...
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Configuring avahi

There is a bug in Trusty - when you turn your PC to suspend - the network downs. This is difficult to solve, but I wrote script that runs Networkmanger when PC awakes. The network works well, but my ...
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How do I use my home (Ubuntu 12.04) internet connection as VPN at work (Windows 8.1)?

I need to access my home internet connection from work time to time. My work and home connections are in same network. As I stated in the question both computers use different operation systems (work ...
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25 views

Ethernet not working (Ethernet card is detected)

Recently the Ethernet connection on Ubuntu is not working. I have a HP Pavilion Laptop and it has a white light indicator for Ethernet. If I turn off my computer I see the white light of connected ...
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1answer
94 views

How to configure a network in Ubuntu 14.04

I have 5 desktops, all running Ubuntu 14.04 64 bit. All are connecting to the Internet through the LAN (using a dlink switch), I want to see all of them in the network and sharing, and also I want to ...
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How to check gigabit connection between 2 (X) ubuntu computers? [duplicate]

I have an ethernet 10/100 switch. this connection is working properly (to my cablemodem router, so all computers are connected to internet). I have just bought a Gigabit switch that I am about to ...
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64 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
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28 views

How to make my ubuntu be a gateway / forward my WiFi connection over a LAN connection to a different machine

Sooo, the question is: Can someone please give me a neat step by step checklist i need to do to be able to 1) connect to a wireless connection 2) share (bridge?) that connection via LAN 3) have ...
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LAN not working but wi-fi working in Dell Inspiron 14z 4523

I have recently installed Ubuntu 12.04 in Dell Inspiron 14z 4523 over a wireless internet connection. Wi-fi connectivity is functional but my LAN/wired connection is not working. I have tried to ...
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1answer
38 views

15 computers + 1 “master” computer = major headache

I'm here to ask about a research project for the Math department at a university I have been just accepted to work on. The primary obstacle of the project is as follows. The project requires a set of ...
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is there any app like lanoptimiser for ubuntu

Many pcs come with preinstalled Windows which has an application called lan optimiser which optimises LAN. Is any application similar to that available in ubuntu?
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1answer
115 views

How to configure 2 lan cards?

I have Ubuntu 14.04 installed on my system and I make it as a server in my office with having 15 employees working. I have 2 LAN cards in my system: One for input from router to my Ubuntu server ...
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115 views

LAN not working on dual boot (ubuntu 14.04 LTS) and no superuser privilege

I am having 2 different problems with dual boot. I recently installed ubuntu 14.04 LTS 64bit on my windows 7 64bit laptop with live USB. I created partition first and used the usb. I selected ...
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1answer
34 views

Network computer's?

I'm connected by wifi connection with some network and this network uses more than router to connect with other more PCs by cables (lan connections), and I only see all the connected PCs with same ...
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42 views

I installed Ubuntu 12.04 on my Dell Inspiron 6400 LAN / Ethernet card does not work

root@MM061:~# lspci 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation ...
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1answer
52 views

Can SSH with IP but not host name?

When I SSH directly to the server's IP address, it works. (ssh michael@10.1.10.129) For reference, here is the resulting prompt: michael@noranetserver:~$ However ssh-ing by name doesn't work like ...
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1answer
55 views

Can my internet speed be higher than my HDD write speed?

i have an old PC with 10/100 lan interface and Hitachi HDD 164GB with IDE interface. i connected 40Mb internt line to this PC. when i am trying to watch live video stream from the internet i am having ...
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30 views

USB LAN Enter E100U with Ubuntu 14.04

The Enter USB LAN when used with Ubuntu 14.04 does not work . The network manager detects the device and tries to connect. But after about 10 sec seconds the the connection is dropped. Any body ...
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How to make a LAN network without using cables?

I'm in a problem now i need to know how to make a LAN network using only the wireless card in the laptop to be a server and other laptops to be client for it without using Cables or switch just the ...
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1answer
75 views

Open Ports on LAN [closed]

I am trying to use VLC remote for Android and Clementine remote for Android. VLC is configured properly with hosts allowed. My laptop IP is also DMZ in the router. I am still getting an error when ...
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62 views

How to configure a lan connection for to computers in ubuntu 14.04 [duplicate]

I am a student and I really need this for a project. I need to know how can I configure a LAN connection in ubuntu . where should I start from? which commands should be used in terminal?
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72 views

Wired LAN Conncetion not working, but router says I am connected

I already looked for other questions maybe answering this, but nothing really seems to apply here. After a fresh install of 12.04, I can't get a wired connection established. WLAN works fine. What ...
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1answer
26 views

Wake on Lan remotely

How can I get wake on lan to work outside of my home network. I can activate it from inside the network but not from outside.
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How to create lan connection (Network) between 2 or more desktops on Ubuntu 12.04

I've got two desktops on Ubuntu 12.04 and are connected to a router, so the internet is working fine on both. However I'm unable to see the machines under the Network. What needs to be done so that I ...
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Dispatch Two internet connections in ubuntu [duplicate]

I have two internet connections and i want to use them simultaneously in ubuntu server to increase bandwidth and use this ubuntu server as gateway for my lan.
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1answer
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Unable to load page using Express from local machine

Im developing a webpage using Express framework in ubuntu. The machine I am developing on can access the webpage just fine at 192.168.1.37:3000 or localhost:3000, but I can't get other machines on the ...
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How to know if a LAN share server is password protected

I know the traditional way of using ' gvfs-mount smb://servername ' and if it asks for a password then we could say that it is password protected. But is there any direct way of finding it, I mean A ...
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Lan Drivers missing after updating 12.04

Lenovo M93p Tower i have installed 12.04 OS. in ubuntu centre there are few updates as sson as i update and restart lan drivers are missing. can anyone help with this issue or help me installing the ...
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1answer
42 views

Skip if server needs a password in Local Area Network

I have a list of IP's for computers in my LAN, I don't want to enter password for computers that require password, So I would like to skip such PC's. gvfs-mount smb://servername I'm using the above ...
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437 views

How to find “only” IP addresses in a Local Area Network

sudo arp-scan --interface=eth0 --localnet I know the above command works fine but it outputs everything like MAC address etc, etc. But I need to find only IP addresses. Is it possible ?
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LAN network won't work in Linux but works on windows

I have a question. Please forgive if this has already been answered: I am trying to connect some computers to the LAN of my office and I found out that the Ubuntu 13.10 computers won't connect to the ...
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3answers
61 views

IP address has incomplete MAC

I have a case of clients on my LAN losing its MAC address. This seems to happen randomly to clients even though they had both an IP address and MAC addresses (when "arp") during the initial boot up. ...
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LAN Not working in ubuntu 12.04

I ran the below code to find my ethernet controller which is ethernet - Realtek RTL8101E/RTL8102E; wireless: BCM4312 lspci -nn | grep 0200 I got the below information. 09:00.0 Ethernet controller ...
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Trying to run a LAN web development server and a Mine Craft server at the same time

I want to run a web server on an old vista box. Removed the vita and installed linux. My 16 year old daughter would like a web development computer and my ten year old would like to have a minecraft ...
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1answer
204 views

How to release all IP addresses in my LAN network

I have ~100 clients on my LAN. When they get turned on simultaneously many seem to get assigned the same IP addresses. - I use dhcp How can I get them get ubuntu to release all the currently ...
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2answers
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Connecting to LAN with specific IP

I am totally a newbie to Ubuntu. I am trying to connect to LAN. Here is the screenshot of what I do in windows to connect to that network: But in Ubuntu while editing connection with specific IP ...
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34 views

Can't use wireless internet on 12.04

I have an Acer c7 Chromebook and I installed Ubuntu 12.04 (ChrUbuntu as it calls itself) and the Wi-fi isn't working, I looked through the forums and I was not helped, another thing is my wired ...
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1answer
187 views

How to limit the device's internet speed but not lan in wifi lan network in Ubuntu

Environment: A wifi lan network with ip 172.16.0.1 and name br0; A host in wifi lan with ip 172.16.2.12; A ethernet network interface with ip 192.168.1.133, name eth0; How can I limit host A's ...
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Samba does not show up on LAN without GUI login

i have been pulling my hair out on this one and would appreciate any help. i have set up a kubuntu server (12.04) with samba shares on a lan. my issue is that the shares are not accessible when i ...
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smbmount with two NICs

My office desktop has to access to two different LANs. One LAN is connecting to the Lab servers and the other is to connecting to the IT department LAN where I have a network drive there. I have setup ...
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1answer
54 views

LAN transfer speed

When I try to download various files from various hdd`s hosted on my Ubuntu 13.10 server, I get a maximum of 60Mbps. These files were downloading with arround 330Mbps on my old server. What could be ...
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1answer
72 views

Sharing a dial-up connection from Ubuntu 12.04 to another on a LAN

I need to share the dial-up connection from my Ubuntu machine to another locally connected machine. LAN IP of my client is 192.168.0.2. Please help me to solve this issue.
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1answer
102 views

Blocking specific MAC address from contacting me on local network

Could I block a specific MAC address on my LAN from contacting me? I know I could do it from router or switch. But I wanna learn if it is possible in Ubuntu(Linux) commands.
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1answer
377 views

Wired Connection not detected on Ubuntu 12.04 LTS, which was working fine few days ago. Solution for “wifi disabled by hardware switch on Dell xps”

This working and not working happens to me often, and I dont know, why this is happening. I am frustrated trying all the related threads but it couldnt solve my problem. This wired lan connection is ...
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1answer
180 views

Both Lan and wifi not working

I installed ubuntu 12.04 on my recently purchased Toshiba satellite but both Wired and wireless are not working. I tried Fedora 19 64 bit but it works perfect. How can I use ubuntu then. Is there any ...
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47 views

Can't SSH or Samba on LAN with IP address

In my apartment building, every computer that connects to the provided networking switch is assigned a WAN accessible IP address. I have an Ubuntu machine exporting a Samba share which I am able to ...
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1answer
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How can I network 12.04 server and 12.04 desktop with the following setup

I have a desktop with 2 lan cards and a laptop with 1 lan card. I want to connect the laptop to the desktop, so the desktop can share resources. The desktop will be running Ubuntu 12.04 server for ...
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1answer
446 views

Using server as Wifi range extender

I just moved to a bigger apartment and my router signal peaks right before the edge of it, which is were I just installed my home server, an old laptop with ubuntu server I use to store media and as a ...
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106 views

Enable Ethernet for wired connection

I moved my computer to a different city. At the old location I could simply plug in ethernet and have internet. it appears in the new location this is not the case. internet works and router works ...
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No network in ubuntu 13.10

My wifi key works fine when i use Windows 7, but it doesn't go blue(ON) when i press it. The lan port, as well, doesn't show any internet connections. But internet is fine when i use Windows 7. I use ...