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

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Intranet LAN networking for office PCS

I am a Newbie in Ubuntu. I have 8 new PCs installed with Ubuntu 14.04, I am unable to do networking in them. I want to share files in all PC's Ubuntu to Ubuntu which includes sharing a drive and ...
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2k views

Lan not working

I am about to use a wimax modem and obtain internet connection through the ethernet cables but when the ISP installer(who came to our house not that familiar in Linux) is about to configure, he can't ...
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58 views

i unchecked wireless and now its grayed out cant tun it back on

so had a brain fart unchecked WiFi now its grayed out cant reconnect to WiFi soft no hard no tied network manager network all settings i could find and Google it and nobody has the same problem that ...
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56 views

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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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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2k 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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56 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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openssh server is refusing connections by blocking or resetting

On a quite fresh install of Ubuntu 14.04 (machine1), I have openssh-server with a completely default config. When connecting from machine2 on the LAN, with an empty ~/.ssh, I get the following debug ...
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3k 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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55 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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9k 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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694 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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751 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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1answer
40 views

How does the installer know what machines are on my network?

I have a home network with a few Linux boxes and a Windows XP laptop. I shut down a CentOS machine, removed the hard drive, installed a new hard drive, and then started a clean install of Ubuntu ...
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385 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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49 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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106 views

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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118 views

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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119 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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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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5k 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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4k 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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116 views

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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987 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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109 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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95 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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196 views

Blocking specific MAC address from contacting me

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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818 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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374 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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43 views

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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2k 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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961 views

Two computers can't connect to the same VPN simultaneously

My colleague and I are on the same local network, trying to connect to our office headquarter's VPN. Any of us can connect without trouble, but when we try together, the second computer fails to ...
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560 views

How to install NetworkDriver?

I want to use eth0 driver, but my network card is UNCLAIMED. I use Killer e2200 Gigabit Ethernet controller. How to install the Networkdriver? And how to use eth0?
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351 views

wireless LAN soft blocked on Ubuntu 13.10

I've troubles with Bluetooth and with LAN. When I digit: rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: yes Hard blocked: no ...
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990 views

LAN and wifi not detecting after upgrading to Ubuntu 13.10

Ubuntu is not detecting LAN sometimes.And 95 % of time it doesnot detect wifi.The network option says wifi are not in range even though they are It usually happens when the ubuntu stays idle for long ...
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Compiling error while installing Realtek RTL8111E in 64 bit 13.10. “CONFIG_X86_X32 enabled but no binutils support”

I downloaded the Linux drivers for my onboard RTL8111E (Mobo MSI B75 Pro3-M) from the Realtek site. The Realtek driver has been updated 23/09/2013, so I assume it can handle 64 bit Ubuntu (13.10 in my ...
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3k views

Errors with USB device during boot?

Explanation I just built a new computer. Here are the specs: Motherboard: Gigabyte 990FXA-UD3 CPU: AMD FX 8350 SSD: SAMSUNG 840 Pro Series MZ-7PD256BW RAM: G.SKILL F3-1600C9Q-32GXM Initially I ...
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5k views

Cant connect to Ethernet after system installation (Ubuntu Server)

hi im new to linux server edition, and i have installed linux ubuntu server edition on a computer. But under the installation i skipped the network configuration, and now i dont know how to connect to ...
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Randomly losing connection but still in LAN

At work I am using ubuntu 12.04 on my laptop. Throughout the day I randomly lose connection to the internet, but I am still in the WLAN. Like, when I try to connect to google it will timeout and not ...
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found someone lurking in my LAN, not sure what to do next

I have DD WRT router with internal numbers all falling within 192.168.1.0/24. I was looking on my firewall records this morning and found someone at 10.10.109.100 got blocked from accessing port 5353 ...
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234 views

DC++ stopped working after upgradation to Ubuntu 13.04

I am a newbie to Linux. Recently I upgraded from 12.10 to 13.04. However after doing so, I am no longer able to connect to DC++ hub provided by my college. It worked just fine with previous version. ...
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439 views

unable to connect to internet through lan

I am connected both lan cable and wifi with ubuntu. while lan connects to a local gigabit network with no internet gateway. I cannot ping google.com or any address in internet. -> if I unplug ...
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4answers
415 views

Ubuntu 12.10 Network LAN issues

OK, so I recently started using Linux Ubuntu, and well I’ve been trying to for about a week now to LAN connect several computers at my house. But here's the issue I keep running into, 2 of the 3 ...
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61 views

LAN Share folder and enclosed folders

As a no-programmer we are having the following problem. I've shared and set permissions on folders with groups. Everything works as a charm except we can't see the content of the underlying folders ...
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2k views

How to synchronise my files over LAN (Ubuntu/Windows, I'm a novice)

I am trying to synchronise my files (there is too much data to use a cloud service) between my netbook (windows XP) and my new ubuntu machine using a LAN cable. I was pleasantly surprised when ubuntu ...
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1answer
2k views

How to redirect all requests within a wlan using ad-hoc to a specific address or hostname

I'm setting up an ubuntu embedded system as a "master" server which will then broadcast to clients using ad-hoc in a wlan. The purpose is for a client to access the wlan and then access a webapp on my ...
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77 views

Force index page on LAN connection

I run 3 servers on a local network. I'd like to force an index.html/php to pop on to anyone joining the LAN. I see many routers these days pop up a guest login page and think somehow I can point the ...
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6k views

How to add/remove user accounts in Ubuntu from a remote machine

How to add/remove of user accounts of a remote Ubuntu machine, from a local Ubuntu machine in the LAN?