Ubuntu Networking :: Ethernet Adapter - Connecting To The Internet
Dec 26, 2010
just recently I made the move back to Ubuntu from Windows. Upon re-installing I noticed a problem with me connecting to the internet. Previously on Windows I had updated my Ethernet Adapter driver, upon installing I would have to disable and re-enable the device to let my computer have access to the internet. My problem here is how would I go about fixing this on Ubuntu so I can have internet access on Ubuntu
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Jan 17, 2011
The Wired Internet adapter isn't working with Ubuntu 10.10, and without this working, I can't get my updates for the Broadcom WLAN adapter. I have a Realtek RTL8101E/8102E PCI-Expredd Fast Ethernet controller. I have looked for solutions, but haven't found any relating to my problem.
To be specific: Ubuntu 10.10 is recognizing the Ethernet adapter as eth0. When I try to manually connect after inserting an Ethernet cable connected to the Internet, it tries for a couple of minutes before telling me the adapter's been disconnected. The connector lights remain the same on the port as they always were.
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Jan 13, 2010
I tried to setup sharing to connect Ethernet and wireless. I want Ethernet connected to desktop A, and wireless connected to another laptop(B), with my laptop acting as an AP. I set the network settings in Firestarter: Internet for wireless, local network for Ethernet. I want to share Internet from laptop B over the network. Internet won't work from my laptop since it seems to use the wrong interface.(Since the desktop is sharing Internet, although not on Internet usually when connected via Ethernet. And of course DNS/Gateway IPs aren't set for wlan0 since it's acting as an AP.) SMB wouldn't work for desktop A and laptop B: laptop B could detect desktop, but reports error "Path not found".
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Jan 18, 2010
I have opensuse 11.0 on a PC with Broadcom NetXtreme BCM 755 ethernet adapter. I am not able to connect to the internet. what could be the problems. how to solve it?
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Oct 11, 2010
I just installed Fedora Core on my Dell Inpsiron B130 laptop and I am having trouble connecting to the internet both wirelessly and with an ethernet cord into the router. When trying to configure my network, I dont recognize any of the ethernet adapters in the drop down list. I have been told that my wireless card is Linux compatible (dell y8029 dell wireless 1370 802.11/a/b/g mini pci). My ethernet card is a B130 Broadcom Ethernet Driver which isnt in the drop down menu either.
I read that I need to download an ndiswrapper but I dont know where to find this download AND even if I could download it to a zipdribe, I have trouble opening a USB flash in Linux becuase its not a "valid block device". This is after the command "mount /dev/sda1 /mnt/usbflash"
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Feb 9, 2010
I just installed Ubuntu 9.10 and its great. However when I connect to the internet at home it shows that the connection has been established but I still cant connect to the internet. My flatmates are all able to connect. However, I am able to connect from work both wirelessly and through an ethernet cable.
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Aug 26, 2010
I've just arrived at uni and to set up my wifi apparently I need my "media access control which is listed as the phsyical address for ethernet adaptor local area connection." on windows you can find it by using the command ipconfig /all but that didn't work when i put it into terminal.
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Feb 12, 2011
I have this tread, for a ASIX USB ethernet adapter. Still don't work.Tody i bought a Davicom DM9601 USB 10/100 EthernetI read here about this work out of the box, since 2.6.21 kernel. I have Linux Mint (Ubuntu 10.10) with 2.6.35-x kernol version; lsusb detect it; dmesg, detect it; at configure, automaticly get the MAC address, but just didn't work; with ping command, i get network is unreachable.
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Apr 14, 2010
I am trying to setup a VPN using OpenVPN to allow a secure connection between my smartphone and my LAN. I have been reading an OpenVPN book and some tutorials on how to setup the server side, but I'm stuck at how to create a virtual device. The OpenVPN book says when installing OpenVPN the installer (or aptitude to be more precise) should ask me if it should create a TAP/TUN device. The thing is, it doesn't ask me anything at all. It just installs, that's it.
Most tutorials simply tell me to create a new device in the network/interfaces file. Where is the difference? What should I do now? I like having options, that is one reason I like Linux, but this does confuse me. My second question is about the IP range of the virtual adapter. Should it be in the same range as my LAN, or should I use something entirely different?
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May 20, 2010
I have two pci network adapters. I see them in pci device list (lspci). And I see them using ifconfig. How do I relate them - which pci device corresponds to ifconfig network adapter ? (I can't open my hardware and relate them using MAC stickers)
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Apr 26, 2010
My computer needs the boot option "noapic". Unfortunately the Ethernet doesn't work. It does work when I use the boot options "noapic acpi=off" but the printer that is connected via a parallel port does not work. Also I have to push the power button the system is shutting down with this option.
Output of lspci:
Quote:
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Jan 11, 2011
I have two computers, a laptop and a workstation, both running linux (Ubuntu and Fedora).For some reasons, it's handier for me to work from the laptop, accessing the workstation only from remote.At present, I have to connect to the workstation using a very complicated system that implies VPN + ssh passing through the internet. It works, but it would be far easier and faster if I could set up a direct connection between the two computers. Unfortunately, I can't use the ethernet ports or wi-fi (it's a long story why, but I really can't).I own a usb data transfer cable, but I don't know how to use it.
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Apr 27, 2011
I've been doing some reading and I cannot work out why I'm having this problem. My 32-bit Ubuntu Server running 10.10 has a Realtek RTL8111 ethernet card which supports up to 1000mbps. However, when I run sudo ethtool eth0 I get:
Code:
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
[Code]....
After running sudo ethtool -s 1000 to try and change speed to 1000mbps, the output is still the same as before. Why is this :S?
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Nov 12, 2009
I have a wireless USB (TP-Link TL-WN620G) adapter on F10( 2.6.27.38-170.2.113.fc10.i686). I have installed the drivers and it is detecting my router. But it keeps asking for network password with repeating a dialogue box although I entered correct password. I have configured the wireless configuration using NetworkManager.
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Jan 3, 2010
For several months I was using EDUP adapter with both my laptop that operated on Ubuntu 9.04 exclusively and a desktop that could also boot with XP. Soon after 9.10 was released I updated my laptop and was able to use the adapter to connect to the Net.Recently, I also updated the desktop but also made it exclusively a Linux machine. Unfortunately, I have been unable to get the wireless adapter to work again on the desktop.The OS recognizes the device as wlan0, and lsusb shows:Bus 003 Device 005: 0cde:0008 Z-Com Sitecom Wireless Network Adapter 100G+ WL -125The network manager recognises the availability of the wireless network and attempts to connect. After trying for a while it comes up with a dialog box "Wireless Network Authentication Required" and in response I enter the WPA password but with no success.The behaviour would indicate that I am entering the wrong password but I am not.I have checked it several times and compared with the password that works with the laptop.
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Dec 15, 2010
I'm having some issues getting connected with a TP-Link TL-Wn727N wireless USB adapter. I have no way to connect hard wired with the computer, but I have another working notebook to possibly download files. However, the second notebook is a Mac, so most of the posts I've found are not filling in all of the answers. Also forgot to note, I am using Ubuntu 10.10. I followed along with this and managed to get the card to find the wireless connection. However, the connection would never connect. After entering the security password the wireless icon would do it's thing and then pop up asking to ok the password again. I double, triple checked the password and it is correct. I found elsewhere that I should probably install wicd. This is where I've run into problems with finding the way to get files that I can download on the Mac and then installed on the Ubuntu computer. I managed to find this forum thread and downloaded this file I transferred the file from the Mac to the Ubuntu with a flash drive and tried to install. First the install said that Network Manager needed to be removed, so I removed it. Next it says "Dependency is not satisfiable: python-urwid." I'm not sure how to go about getting this dependency as it is not showing up in the package manager.
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May 19, 2011
i just installed Ubuntu 11.04 64bit on my desktop. i have a TP Link TL-WN321G (Ver 4.0) wireless usb adapter to connect to my wireless network (i used to use it with Windows XP).As expected (i'd read up a bit before installing Ubuntu), the adapter was autodetected - i could see my wireless network listed in the networks list dropdown, and lsusb showed it too.lsusb identifies "Bus 002 Device 002: ID 148f:2070 Ralink Technology, Corp. RT2070 Wireless Adapter"But i cannot connect to the network. When i select my network, it keeps trying to connect, but never succeeds in connecting.
i tried going through the forums for possible solutions, but most of them deal with how to get it working when the adapter is not detected, or when networks are not shown. Or they are for older Ubuntu versions.i use the same wireless network on my laptop (Ubuntu 9.04), and it has a WPA & WPA2 Personal security, with a password, which i've configured in the desktop as well.
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Jan 13, 2010
I was running 9.10 in LiveCD mode and was unable to get online. Went to System>Administration>Hardware Drives and found "Broadcom STA wireless driver". Cool. So I went ahead and installed 9.10 (dual boot with Vista), repeated above steps but found no "Broadcom STA wireless driver" option, in fact no proprietary drivers. So I still cannot connect to the Internet, and I don't know where to go from here. (Note: I installed 9.10 side by side with Vista: good? bad?)
[Code]...
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Jul 6, 2010
I`ve got a dual boot of win 7 and ubuntu 10.04. After I put the system to sleep in win7, it was unable to start the ethternet adapter back (Now after system boot, the lights around the ethernet port blink for a few times and then turn off. This repeats in a while). Now it is disabled in ubuntu too. Is there any way to start it again? It is a Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller.
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Apr 18, 2011
I have a server with two ethernet ports. I configured eth0 to be static, set at 10.1.10.148. I plugged in another router into the other ethernet port in order to configure that router. I configured eth1 to use dhcp. Using /etc/network/interfaces rather than gnome network manager. When I did this, I lost internet connectivity (internet routes through eth0 of course)
- Why did I lose internet connectivity?
In order to recover internet activity, I had to disconnect the new router on eth1 of course, and do sudo ifdown eth1. That wasn't enough however. After rebooting numerous times and pulling out my hair, I finally tried configuring eth0 as dhcp, rather than static, and this fixed the problem.
- Why didn't sudo ifdown eth1 solve the problem? What information was saved between reboots that somehow remembered that I plugged in the new router? Because my thinking was if /etc/network/interfaces was identical, and the network topology was identical, after a reboot everything should be restored, but it wasn't.
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Sep 1, 2011
In 10.04 I get the following error in the log while connecting to ethernet:
Code:
Aug 24 17:33:24 Linux dnsmasq[11069]: started, version 2.52 cachesize 150
Aug 24 17:33:24 Linux dnsmasq[11069]: compile time options: IPv6 GNU-getopt DBus I18N DHCP TFTP
Aug 24 17:33:24 Linux dnsmasq-dhcp[11069]: DHCP, IP range 10.42.43.10 -- 10.42.43.100, lease time 1h
Aug 24 17:33:24 Linux dnsmasq[11069]: no servers found in /etc/resolv.conf, will retry
Aug 24 17:33:24 Linux dnsmasq[11069]: cleared cache /etc/resolv.conf only has "Generated by NetworkManager" comment, so is this a bug in Networkmanager?
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Oct 22, 2010
I recently moved to a student dorm in my university (RWTH Aachen) and I have an ethernet connection from my room. The thing is that I can't connect to the internet, I don't get any IP through DHCP. I tried using wicd instead of network-manager, and doing it manually with dhclient. None of those worked (actually I don't know much about how networking works so maybe I didn't do it well with dhclient). The weird thing is that Windows 7 gets the IP instantly and I can connect to the internet from windows. But I don't know why Ubuntu refuses to get an IP. Info from lshw, lspci:
lspci
Code:
sudo lspci -vv
02:00.0 Ethernet controller: Marvell Technology Group Ltd. Device 4380 (rev 10)
Subsystem: Sony Corporation Device 905e
[Code].....
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Jan 19, 2010
I'm running Ubuntu 9.10 Live CD and I can't connect to the internet. I click on System --> Preferences --> Network connections and under the tab DSL I click Add. After i fill the information I click to connect to the new connection and after a while it shows me a baloon which says "Wired network: Disconnected - you are now offline".
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Feb 8, 2011
I am basically wanting to use my Ubuntu 10.10 computer as a router. Note: Before you say just get a router please note that I am poor/cheap. I have two ethernet connections and one wireless connection on my netbook. I want to share the internet connection that is going into one of the ethernet cards through the other ethernet card and the wireless card.
DSL-->1sr Eth --> 2nd Eth (currently works)
DSL-->1sr Eth --> Wireless Card (Adhoc) <--(connects with limited connectivity AKA no internet)
The 2nd Ethernet card already has working internet, but when I connect to the Wireless card (through an Adhoc network), it cannot get an IP (I believe).
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Apr 13, 2010
I spent $70 on a brand-new Wireless-N adapter for my Ubuntu computer in hopes that I could get it to connect to the main router in the house and get me internet access. However, the driver install CD is designed for Windows and thus will not run. I have tried to get it to set up, but it takes no action when plugged in and I am still without access to the internet. what I can do to get my computer connected and save me from having wasted $70?
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Feb 3, 2011
Is there anyway for me to access the internet with a Netgear WPN111 usb adapter
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Aug 17, 2010
My laptop was on windows xp and when I installed ubuntu linux my NIC Card driver was gone (I think) and now I can't connect to the internet using an ethernet. I have the driver on the desktop of my Linux laptop but I don't know how to add it using terminal or any other options.
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Jun 21, 2011
I am running Ubuntu 11.04 and i am curious to if there is a way to share my established wireless connection through my Ethernet port.. I know it was possible in Windows by going to adapters and bridging the wireless, and Ethernet adapters. how to make this work in Ubuntu?
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Jul 13, 2011
I am using Ubuntu Server version 10.4, and am trying to connect to the internet via an ethernet cable. This may and probably is incredibly simple, however, I could not find anything that pertains to it.
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Aug 5, 2011
After some fiddling around, I have come to the conclusion my current wifi access point hates my other computer's Broadcom chip or the drivers thereof. So, my current idea is as follows. I would like to use my netbook to connect to the wireless network, and then connect my other computer to it through ethernet. My netbook is dual boot XP and Ubuntu (think Ubuntu is a version behind) and I would be fine to set up this sharing in either and just leave it on as a repeater station. My other computer is dual boot XP and Fedora and I would prefer this work to allow me to have network in both. I have a straight-through cable and have verified that my network card supports the automatic crossing over behavior.
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