Tagged Questions

Ethernet is a way of connecting computers together in a local area network or LAN.

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0
votes
1answer
1k views

How to autoconnect to Ethernet network when restarting?

Firstly, I hope this hasn't been covered elsewhere, I have searched but haven't found this particular problem. I updated to 12.04 a while back and though I now thoroughly regret that decision, I'm ...
5
votes
2answers
2k views

How to block Internet for guest account?

How can I block or disable my Ethernet Internet connection, for the guest account only?
3
votes
1answer
5k views

Ubuntu 12.04 wired ethernet not working and wireless not working, How do I fix it? [closed]

I am new to ubuntu. I recently installed the latest ubuntu for desktop from http://www.ubuntu.com/download. I was very excited to start using ubuntu until I booted the computer and saw that i couldn't ...
3
votes
2answers
5k views

How can I automate a root command after (not during) startup?

I'm using Ubuntu 12.04 LTS, but I need to run the following command: sudo dhclient after startup to acquire a stable ethernet connection. I am running dhclient during startup already, through the ...
0
votes
2answers
3k views

Ethernet connection for Realtek RTL8139/810x not working

I installed ubuntu recently and i cant connect to internet.... I never deal with linux before much but i cant connect to internet and it keeps giving notification wired connection disconnected Its ...
0
votes
1answer
516 views

How can i learn ethernet device buffer size on ubuntu 11.10

i wonder if i can learn ethernet buffer size.Almost all of us visit youtube or other video sites and if our connection limit is lower (i live in Turkey and fast internet is really )so when i want to ...
0
votes
3answers
3k views

Wired Network (eth0) disappears on a Lenovo Z570

I upgraded from Ubuntu 11.10 to 12.04 yesterday. I am running a BSNL Broadband DSL conenction. The wired network suddenly dissapears and the computer stops detecting the ethernet card after sometime. ...
2
votes
3answers
11k views

Ethernet conection not working Atheros AR8152 OS 12.04

I have instaled Ubuntu 12.04 but my network conection doesn't work and i know it's becouse of the drivers I've run $ lspci | grep Ethernet and this is the result 02:00.0 Ethernet controller: ...
0
votes
1answer
932 views

Problems with wired network on acer aspire 1410

The problem is the following: i can't establish a wired connection on Acer Aspire 1410 with Ubuntu 11.10 installed. Wireless connection works fine. But when i plug the network cable and disable wifi ...
0
votes
1answer
274 views

Ubuntu frontier DSL internet not working?

I recently installed ubuntu 11.10 on an older computer Pentium 4 dual 3.0 chips. Ubuntu installed and runs great, but cannot get the internet to work. Will not recognize either the ethernet card, or ...
0
votes
2answers
5k views

Davicom DM9601 USB LAN NIC Ubuntu 11.10 issue

I have a davicom dm9601 USB ethernet card. When I plug in the device, it is detected and drivers are loaded, but I can't connect to internet using it. It works perfectly on XP, other laptop but not ...
2
votes
2answers
2k views

Why does Ubuntu only detect one USB LAN adapters at a time?

I try to connect real switch with my computer for an exam preparation, for this purpose I need more than one LAN cards, and there is only one built in LAN card in my computer. So, to get more LAN ...
8
votes
1answer
2k views

Why does Ubuntu keep trying to connect to a WiFi network while plugged into an ethernet

My desk is situated at the edge of the range of a wireless signal which I use occasionally (when away from my desk) and is therefore saved in network manager. At my desk, however, I plug into the ...
1
vote
3answers
30k views

How do I install the ethernet drivers in ubuntu 10.04

I ran the command: ifconfig -a which gave this output, there is no eth0: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 ...
0
votes
1answer
590 views

On restart server Ethernet went down saying not configured!

i justy have configured my dhcp server with static ip. after configuration dhcp server & routers were working fine. but after restarting server network connectivity went off. there are two lan ...
2
votes
1answer
424 views

How do I setup ethernet-only SSH?

On my pair of Ubuntu systems, a 3 MB file transfer via Nautilus 2.32 over SSH takes about 15 seconds between two computers with identical wireless cards 2 meters apart. Larger files take ...
2
votes
2answers
10k views

How do I get an Atheros AR8131 ethernet card working?

I have an Atheros AR8131 Ethernet card on a Lenovo b560 laptop. Sometime in the past, probably at some upgrade or other my wired connection stopped functioning. I know the card is ok because it works ...
0
votes
1answer
737 views

Connecting to an Ubuntu Server using Ethernet cables but no internet connection

I administer about 6 computers at a school. The computers are very old -- they used to be running Windows 98 -- but they are still usable and are now running Ubuntu. I also have 2 more modern ...
2
votes
1answer
6k views

Set up eth0 network interface using DHCP in initramfs

I created my own initramfs script (based on live-initramfs) and I need set up network connection (using DHCP) to get remote file. So what do I need to add to initramfs hook file (ifconfig, ...
2
votes
1answer
5k views

How do I connect using ssh over a direct Ethernet connection?

I have a laptop, a desktop, and a spare 5' Ethernet cable that I can use to directly connect one to the other. The desktop freezes every few days or so, seemingly at random, and when it happens I want ...
2
votes
3answers
3k views

Dell inspiron 1545 wired and wireless do not work

When I realized my wireless wasn't working with ubuntu, I plugged my laptop in to try and figure out the problem online - only to find it doesn't work that way, either. The problem isn't my internet/ ...
-1
votes
1answer
4k views

Wired connection not working (unplugged) help? [duplicate]

Possible Duplicate: Make Network Manager restart after dropped connection? I configured the pppoe connection in network manager it works perfectly fine when i start my computer after some ...
4
votes
3answers
878 views

Is there any invariable hardware system identifier in Ubuntu/Linux

At the current I am using ethernet mac address to generate license for my program, but sometimes there is more than one ethernet card (wireless, modem, etc.). So I would like to use something else: ...
2
votes
1answer
3k views

Bridge Laptop's Ethernet to Wireless

The laptop wirelessly connects to my router, while the desktop is connected to the laptop with an ethernet wire. The desktop successfully can use the internet if I set the connection to be shared on ...
1
vote
0answers
250 views

How to get online on command line? [closed]

I have installed Ubuntu on VMware on my Mac OS X. I have installed VMware tools and had enabled network adaptor. But Ubuntu still could not get online. I try ifconfig, but I only get 127.0.0.1. I ...
0
votes
1answer
442 views

usb0 ethernet on 10.04.3 Server

I am installing Ubuntu 10.04.3 on IBM System x3400 M3 which is listed as certified for Ubuntu 10.04. I was unable to configure Broadcom netxtreme II Gigabit Ethernet Driver bnx2 during that point. ...
1
vote
1answer
434 views

Ethernet fails after a few minutes on ubuntu 10.10 — can't reactivate without restart

I just got a new Toshiba Satellite C650 and set it up to dual boot Ubuntu 10.10 and Windows 7. Ubuntu will be my primary OS, but I'm having a weird problem with wired ethernet: when plugged into my ...
0
votes
1answer
661 views

Ubuntu 11.10 disconnects me from internet (cable)

I'm connected to the Internet via router (wired) and Ubuntu disconnects me from it. I have to manually disconnect from my network (via panel in top-right corner) and connect again. I don't know why. ...
3
votes
2answers
4k views

How to 'unplumb' a network interface [closed]

I want to remove a un-use network interface on Ubuntu 11.10 desktop but failed. virbr0 Link encap:Ethernet HWaddr 16:13:97:0c:0f:4f UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 ...
2
votes
0answers
463 views

Bad ethernet connection in Ubuntu 11.10 [duplicate]

Possible Duplicate: Internet slow on Ubuntu but not windows I am using ubuntu 11.10 . If am connect to Internet by cable I have connection problems. Internet is always really slow and ...
0
votes
2answers
897 views

Server getting error after doing distro upgrade: tg3_stop_block timed out

im running ubuntu on a HP Server Blade ProLiant BL25p G1 after doing distro upgrade to oneiric im geting dpammed whit these messages on terminal. if i turn of the eth0 interface with sudo ifconfig ...
0
votes
2answers
1k views

wireless connects to internet but wired does not, both connect to gateway untangle firewall, what to do?

My home LAN is set up with fixed IP addresses and an Untangle gateway/firewall/DNS server with Internet access. One of my computers (Ubuntu 10.10) will connect to the Internet only through the ...
0
votes
2answers
2k views

Extremely slow internet wired connection in Asus x101h, Ubuntu 11.10

My ethernet connection is very slow (it was also with 11.04). It works fine with another PC with XP. Also, WIFI is OK in Ubuntu. I've checked several help pages, but nothing seems to work: The ...
1
vote
2answers
547 views

Problem with network - Wireless network working, but wired isn't

I have 2 networks connected to my computer. The wireless connection, that I use for connecting to the internet, and a wired connection that I use for a LAN (eth0), that I also use to share my ...
0
votes
2answers
580 views

Laptop won't connect to Ethernet after configuring it for Broadband BSNL

I recently went to India and over there I had to configure my laptop to use Broadband internet. So I followed a guide similar to this one. Everything worked fine and I was able to get online, however, ...
1
vote
1answer
736 views

Problem sharing laptop Internet connection

I have tried to share my laptop Internet conection to a PC by configuring the Eth0 connection of my laptop with "Share with others" selected. The Eth0 connection of the PC is DHCP Automatic. It keeps ...
7
votes
2answers
3k views

What should my MAC address be? (now shows 00:00:00:00:00:00)

I have three computers all wired into my router. The box I'm posting this from is running Ubuntu 11.10, and another machine is running Xubuntu 11.10 Both connected automatically when the ethernet ...
5
votes
2answers
3k views

Installed Ubuntu 11.10, and networking constantly fails

I just installed Ocelot on my new machine (with an ASUS M5A99X EVO motherboard and on-board gigabit ethernet), and I asked it to download updates while it installed. The install took forever, the ...
8
votes
5answers
17k views

When Ubuntu Server restarts eth0 Doesn't come back up

Every time I restart my Ubuntu Server 11.10 I can't ssh into it because ETH0 doesn't come up automatically. I never had this problem before upgrading to 11.10. I have to login to the server and start ...
3
votes
1answer
933 views

Shape incoming traffic using tc (and IFB?) on a NAT ed interface [closed]

I have an Ubuntu machine acting as a router/Stateful Firewall/NAT for my internet connection. It has a couple of ethernet ports and a wireless network for my home network (eth5, eth7, eth10 and ...
1
vote
2answers
2k views

How to share internet from one network card to another ethernet port

I basically seek a way to "bridge" the internet connection coming into my linux machine through one ethernet port (on the mother board's NIC) and share it with another computer connected to a separate ...
0
votes
1answer
2k views

Wireless driver working as ethernet? (ubuntu 11.04)

I haven't very affinity with Networking/LAN, so I do not quite understand what's going on with my wireless driver, that's why I came here for help. My drive does not find any working wireless ...
3
votes
2answers
595 views

What is easiest solution for twisted cable connection between two PCs running Ubuntu

I plan to change OS on my other PC from Windows XP to Ubuntu and want to have access to it. Basically please imagine two PCs, each running Ubuntu 11.04 and connected together with twisted cable ...
1
vote
2answers
3k views

How do I connect a wired desktop to internet via a wireless laptop?

I have a desktop system running Ubuntu 10.10. It has no wireless card just a wired Ethernet card. I have a Thinkpad T42 laptop running Ubuntu 10.10 in the same room as the desktop. It uses its ...
0
votes
1answer
348 views

Connection to DNS fails after few successful connections

I connect to the internet with a static IP. Connection is fine. After few successful connections to the DNS, the DNS becomes unreachable (PING still works using IP addresses). Restarting the ethernet ...
2
votes
1answer
565 views

Cannot connect to network with laptop

I can't connect to network via an ethernet cable, but the wireless connection works fine. This only happens on this laptop - the pc network cable connection is fine. ifconfig eth0 Link ...
2
votes
0answers
204 views

Cannot connect to wired internet Dell Inspiron 1545 [duplicate]

Possible Duplicate: Dell inspiron 1545 wired and wireless do not work I have a Dell Inspiron 1545 and when I connect the internet cable, Network manager does not recognizes it... I am a ...
12
votes
7answers
17k views

Two ethernet ports on motherboard. How can I get double the bandwidth?

Direct Question: My evga classified motherboard has two ethernet ports. I want to use them simultaneously to improve the speed of a remote connection. (Yay for programming remotely). How do I do ...