0
votes
0answers
13 views

nfs ver3 unworkable using new managed switch - no idea why - LLDP breaks portmap

I spent 3 nights and part of days, googling and reconfiguring servers of home network with two nfs vers=3 servers that suddenly stopped working. They were working with zero issues using automount ...
0
votes
0answers
17 views

hardware info of computers in a lan

Need your support for a simple problem. I need to know all the hardware info of the computers connected to my LAN. Is there any way to do that via LAN, without having to ssh to each system?
0
votes
0answers
83 views

Share Internet Connection via Ethernet connected Router over the LAN

I have a USB modem that works perfectly with Ubuntu but doesn't work with my Wifi router. I want a set-up where the USB modem is connected to my PC and my PC is connected to my Router (via ethernet) ...
1
vote
0answers
31 views

Is it possible to find the host name (Computer name) in my LAN network if I know its IP address? [duplicate]

I want to know whether this can be achieved using terminal. I have tried nmap, nslookup and netstat, and failed.
0
votes
0answers
96 views

Ubuntu Server Running Behind ASUS Router Can't Reach Network (dhcp issue?)

Running a Ubuntu server through my home network, and it's also utilizing a dyndns, which I presume (yes, I'm 'tech dumb') is configured on the server. The settings were fine on various routers, until ...
0
votes
1answer
41 views

Which application can mount or open the network shared directory?

I am new to Ubuntu and I don't know how to open the Network and which application can open the network locations ? Actually I tried with the following steps on first time I was connected but after ...
4
votes
1answer
85 views

Lan party network usage statistics

Me and couple of my friends have decided to make a lan party around 40 to 50 players. I have couple of conserns I need to find solutions for. DHCP server I have now installed a DHCP server (in ...
0
votes
0answers
18 views

Networking - how to allow from second lan interface to access first lan interface? [duplicate]

I have one box with 2 ethernet interface: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.2.1 netmask 255.255.255.0 #network ...
0
votes
0answers
94 views

Can't access second NIC

I have 2 NICs with the primary em1 the other is p3p1. It appears from ifconfig dmesg that both are up and working but I can't access p3p1 from my Java test application. No joy with ping either. ...
0
votes
0answers
37 views

LAN or workgroup with Ubuntu server and windows clients

I have 35 Windows 7 standalone computers right now and planning to setup a LAN/workgroup using Ubuntu as a server if it's a LAN. Purpose for network: Files from client computers to be accessed by me ...
0
votes
0answers
55 views

No internet on Lubuntu 14.04

I have a two computers, one runs W7 and other one runs Lubuntu 14.04. Both computers are connected via LAN cable to the router, however internet on Lubuntu 14.04 gets bugged sometimes. I would like ...
0
votes
1answer
103 views

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 ...
0
votes
0answers
14 views

Connect network from laptop to connected device

I don't have wifi. I connect to internet using LAN cable. And I am developing app for android that needs access to the Internet. Now how can I connect to the Internet to my tablet that I have been ...
0
votes
1answer
168 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 ...
0
votes
0answers
42 views

VNC across the internet through SSH tunnel to another machine on LAN?

My family often gets me to help them with computery things that they can't do themselves, but this has become difficult as I've moved to another city to study at university. I managed to set up a ...
-1
votes
2answers
35 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 ...
1
vote
1answer
298 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 ...
1
vote
0answers
14 views

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 ...
7
votes
4answers
179 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 ...
0
votes
0answers
45 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 ...
0
votes
1answer
42 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 ...
1
vote
2answers
1k views

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 ...
0
votes
0answers
434 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 ...
0
votes
1answer
39 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 ...
0
votes
0answers
29 views

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 ...
0
votes
0answers
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?
0
votes
1answer
98 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 ...
0
votes
0answers
103 views

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 ...
0
votes
0answers
28 views

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 ...
0
votes
0answers
77 views

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 ...
0
votes
1answer
49 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 ...
1
vote
3answers
583 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 ?
1
vote
0answers
125 views

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 ...
0
votes
3answers
180 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. ...
0
votes
0answers
62 views

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 ...
0
votes
0answers
29 views

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 ...
2
votes
1answer
610 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 ...
0
votes
1answer
387 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 ...
1
vote
0answers
29 views

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 ...
0
votes
1answer
115 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.
0
votes
1answer
236 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 ...
0
votes
0answers
40 views

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 ...
0
votes
0answers
235 views

No internet connection via LAN cable

I have a Asus Eee pc 1000HE mini laptop with 12.04 Ubuntu installed dual booted with xp. When I plug the LAN cable is it connects fine, I can also reach the router. But I cannot connect to any ...
0
votes
2answers
388 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?
0
votes
0answers
401 views

eth0 always goes down

My problem is my LAN connection always goes up and down. Sometimes it works perfectly but a lot of time it doesn't. Here are my hardware specs: Motherboard: GIGABYTE, GA-X58A-UD7. It comes with 2 ...
0
votes
0answers
187 views

Increase data transfer speed in LAN

I want to increase data transfer speed in Local Area Network. I have one server and a Netgear 10/100 16-port switch and 15 PCs attached to it. My network speed is too slow. How can I increase the ...
0
votes
1answer
850 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 ...
0
votes
0answers
70 views

How to use Transmission on eth0 and web traffic on wlan0

I have a desktop computer with two interfaces, ethernet connected to cable modem and wireless connected to a dsl modem. I would like to use the ethernet connection for Transmission and the wireless ...
0
votes
1answer
2k 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 ...
2
votes
0answers
44 views

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 ...