Ubuntu Networking :: Couldn't Connect Internet The LAN
Jul 23, 2010
I left my laptop on stand by and today on the morning I could wake up my laptop so I turn it of the manua way. When I start again, I notice there is something going wrong It said to me I don't have internet. I check the modem and yes I have internet, I check the lan cable and it looks it works fine. So I thought it was the ethernet card that was bad. So I restar again and enter with Windows 7, and yes I have internet. So it made be one problem of my Ubuntu. I did an ifconfig and got the following
[Cpde]...
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Jul 30, 2011
yesterday I installed pulseaudio and pavumeter. This morning I couldn't connect to the internet anymore. I checked the settings but couldn't see any changes. I read the post at [URL]?t=370108 and I'm going to post the outcome of the instructions here:
1.) My Notebook is a Sony Vaio
2.) Wireless brand, model and chipset:
Code: ubuntu@ubuntu:~$ lspci -nn | grep Atheros
Code: 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
3.) Check interface:
[Code]....
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Sep 26, 2010
I have installed openSUSE KDE 11.3 on my notebook. Everything looks great, but I can't connect on internet. It looks like dhcp don't work. Wireless works fine, only auto eth0 don't work.
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Apr 27, 2010
I was having a problem with cairo dock, asked on the board how to resolve was told to reinstall the visual driver for my monitor since I have an ati vid card since with the updated kernal u have to reinstall those drivers(didn't know that, I'm new to opensuse). I thought I did that before so I completely uninstalled it so I could then do a fresh reinstall but I wasn't paying attention and my laptop was unplugged for a while. I stepped away while the install was going on and my laptop died.
I tried plugging it in but had to restart my laptop when I did I got the command line rows and when I tried to start GDM it wouldn't start, I did so as SU. Attempted to connect to the internet via networkmanager and couldn't get wifi or wired to work. Anyway I can access my desktop visually just so I can start yast and install the driver or will I have to reinstall 11.2 or use the cd to repair? If so how do I use the cd to repair?
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Jan 1, 2010
i dled ubuntu 9.10 and i got it ready on ma pc but after the setup process is done i couldnot get it attached to my LAN or internet connection i use a DHCP router wich need no configuration as it was shown problem is even my acctivity lamp on da router doesnot give any activity light btw i got some records as
[code]...
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Jan 29, 2010
My Ubuntu 9.10 (64 bit regular old desktop version) machine has two NICs, eth0 and eth1. eth0 does not connect to my router (and thus the Internet) automatically. I have to manually click on it in the NetworkManager applet after every reboot.
Internet connection sharing has also been impossible. I gave up trying to do that after about 2 weeks. I was simply trying to share my Internet connection with a Windows XP machine over eth1, but it never worked. I could ping one machine from the other, but couldn't get to the Internet from the Win XP machine.
Removing NetworkManager may be the ticket. Most of the tutorials for Internet connection sharing tell you to enter commands in the console. Maybe one of them will work once I remove the NetworkManager applet.
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Jun 7, 2010
Lucid i386 Dell inspiron 1525 with 4695agn, iwlagn driver Just installed a new router, Netgear WNDR3700 Old inspiron laptop with Hardy installed connects fine to G wireless An Acer with Vista connects fine to G wireless My Inspiron with Lucid connected fine until I enabled WPA on the routers 5Ghz band. At that point I couldn't connect on any, 2.4 Ghz no enc, or the wired connection. The Windoze pc was connecting fine. Fired up the old Hardy laptop and it connected fine.
Now here's the weirdness!! As long as I had the Hardy laptop connected either wired or wireless, I could connect to the router with the Lucid laptop to unsecured wireless or wired. Soon as I turned off the old Hardy laptop, my Lucid machine could not connect? WTF? I then disabled security on the router and I could connect with my Lucid machine?
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Feb 1, 2010
On this box I have Two seperate Ubuntu installations. Recently in both I seem to be having the same problem. I initially can connect to the internet as per normal and use any internet application. But after a period of time, sometimes just minutes, sometimes hours, even though the icon says connected, I cant update pages or send emails etc because there is no actual connection. My Physical connection is good I know - My Ubuntu laptop and Windows gamming PC connect fine during this period. So
Does this suggest an intermittent hardware fault or is there some thing in Ubuntu I can check to make sure that it is setup correctly and nothing has been corrupted? I am a lay PC person - I dont really want to be command prompting - Plug & Play and Point & Click is my limit.
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Oct 21, 2010
I tried to install Xubuntu 10.10 Maverick as dual boot on my laptop. However when xubuntu is on, I can't find a way to connect to internet. When I try the 2 arrows on the up-right corner the option for wireless is deemed. I tried offline/online, that did not work either. when I click the firefox It says you are not connected.
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Apr 6, 2011
I am trying to setup a dhcp server for my internal network. I have two NICs, a modem, and a wireless router. I have my server connected directly to my modem which is providing me with Internet access on eth1 and is working fine. I have dhcp and dns setup on eth0 which is connected to my router. The router shows that it is connected to the Internet but when the router gives a client computer an IP address, the client is unable to connect to the Internet but can connect to the router. I will post my configuration files below with my current configuration.
[Code]....
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Aug 8, 2011
I can connect to the internet through wifi, but I cannot connect to anything on my network. I have a printer and a NAS, so I would really like for this to work again. I have a dell laptop with a Broadcom card.
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Aug 15, 2010
I had put my computer on standby and when i restarted it, it powered off within a few seconds. I turned it back on and after that i've lost connectivity to internet on Ubuntu 10.04.
However I have VMware (XP) installed and internet/network works on that. I'm a newbie with Linux.
Here are some outputs:
I have tried to edit the connection using System>Preferences>Network Connections. I entered manual settings for IPV4, but whatever i enter there, it doesnt get reflected when i type ifconfig in the terminal window. I tried setting it to Automatic DHCP as well. Doesnt work.
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Jul 6, 2011
I connected my laptop running with Ubuntu 11 in the LAN but I couldn't access internet.But I could ping to the other computers connected in the LAN. I tried the same thing with windows 7 in the same laptop and I could access internet.
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Jun 14, 2010
I use Ubuntu i can not work internet connection Please help me search for a solution but did not find
Use the USB modem model x060s.
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Nov 12, 2009
I've recently set up a local development webserver using Karmic Koala. I downloaded and installed the server version of Kubuntu and have the web server working.
The problem is that for some reason, I'm no longer able to connect to the internet. I can connect to my router, and other machines in my network can VNC into the server.
I'm using an wired connection to the router and have the server set up on an internal IP of 192.168.0.100. I used to be able to connect to the internet, I downloaded and installed a load of packages etc before it stopped working.
The last thing I remember doing before it stopped working was that I installed Samba so I could share files with the other machines on the network (two Macs running Leopard and a WinXP laptop).
I got the share working - I copied a load of files to the server via the share, rebooted, and for some reason now I can't connect to the net (and other machines can't see the Samba share either.) However I can still VNC into the server.
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Mar 21, 2011
I have installed linux 10.10 and i want to connect internet through USB Bsnl EVDO modemprocedure/commands to connect to internet
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Dec 2, 2010
When i boot my computer and open ubuntu version 10.04.1 the internet wireless connection i have connected automatically. Now, for one reason i don't know, the internet did not connect to the internet. The progam display a message to uncheck the checkmark in the File Menu. After doing this, i refresh the system but it still not connect.
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May 1, 2010
I'm trying to add the Mactel sources via Terminal:
[Code]...
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Mar 13, 2010
Not able to connect to internet
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Apr 2, 2010
Yesterday I helped my neighbor install Ubuntu 9.10 on his PC. This PC had XP with many bad viruses is the reason for the change. This is not a dual boot setup. Strictly Linux. I know the hardware is fine because DSL communications was working at the time of the install.
I've found a few threads describing problems with the Network Manager and DSL. [URL] I'm in kind of a "chicken and the egg" situation. This Linux PC has no internet connection right now and many of these fixes are downloads via the terminal. However, at my house, I have XP running and online. Can I download these fixes and copy to a flash drive and install on his Linux box?
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May 5, 2010
I have a Ubuntu desktop on my LAN that has suddenly stopped accessing the net, this morning it was working nicely. The computer DHCPs an address successfully, and it can access other comps/services on the LAN. Other comp have no trouble accessing the web.I've pinged my gateway, and I get a response, but pinging Google for example gets me a 100% packet loss.I've tried to release and renew the IP using dhclient, I've unplugged and replugged in the cable at both ends (didn't really expect it to work since it can dhcp fine), I've rebooted the switch, the router, and the comp, still I'm getting the same problem. I haven't played with any firewall settings either.
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May 24, 2010
I'm just using Ubuntu for the first time, and am trying to get everything working on the Live CD before I install it. The only problem that I'm having right now is getting connected to the Internet. I'm trying to connect to my router, but it keeps asking for the WEP Key. I type it in and it pops up again a minute later. It works on Windows, though. I'm running Ubuntu 10.04 on an old Inspiron 8100 I got from a friend.
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Jun 15, 2010
I'm pretty new to Ubuntu, and have run into problem after problem with networking. The current one: I can't ssh out or connect to the internet, and ping gives a "unknown host" or "network is unreachable". But I can ssh into my computer from others on my network. "route -n" gives 2 entries, neither of which is "default", which from my reading it seems like you need, but I don't know how to remedy that. Is this a DHCP problem?
I'm on a university network, so I doubt it's a problem at their end, but I don't think I changed anything when this suddenly stopped working. On a more meta level, is it normal to run into a different network connection problem every few weeks? I'm not touching anything, I swear! Every linux user I know seems to know ping/ifconfig/route/netstat like the back of their hand, and if it's always like this, it's enough to drive a girl back to windows.
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Jun 29, 2010
Both ethernet and wireless connections are down, Windows on the same machiene works with both - not hardware problem. Networking is enabled in the applet, but WiFi indicator and ethernet adapter indicator do not flash. Problem appeared after I closed the lid of the laptop at night (set to suspend), but next morning battery was empty indicating that it failed to suspend. I could not find any "hardware manager" inbuilt to turn devices on.
I don't like using Windows, and internet is a necessity.
PS It's Ubuntu 10.4, Gnome on Dell Inspiron 6400 (x86)
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Jul 24, 2010
I just installed Ubuntu and it won't connect to the internet. I have an HP Pavilion dv4 laptop. On the top of my keyboard area has my power button, volume and wireless switches (they're all touch sensitive). Anyways, when the wireless is on, the light is blue. Whenever I log on to my Ubuntu account, it just has an orange (meaning off) color, and I can't switch it to on (blue). I'm running Vista 64 bit right now.
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Dec 18, 2010
i want to connect to Internet via 3G key. But in our country, the operator who is offering that service mentions that 3G key is not compatible with Linux OS. But, when surfing on net, i found some scripts that makes such a service working with Ubuntu 7.xx. I wonder if there is a solution with Ubuntu 10.10
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Feb 22, 2011
I just installed Ubuntu 10.10 and it works fine, but will not connect to the internet. My wifi card has a CD with drivers, including one for Linux, but it has no 'install' file. I have ZERO idea how to even get to a command line place in Ubuntu [NOR what I'd do or need to do if I got there!!!!] - and need desperately to get online, for all the obvious reasons and to download all the missing drivers needed for things I do. My wifi card [if it matters is a ASUS 802.11n Wireless LAN Card PCE-N13.When I look at what is in the Linux driver folder is foreign to me as Chinese...so those trying to explain, please realize this is my FIRST Linux install and I don't know the terminology...and lacking internet can look up nothing.
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Apr 2, 2011
I am unable to connect to the internet through DSL. I can use it in Windows 7 easily. I use a Broadband PPPoe with an user name and password along with a service name. I have set up a DSL in ubuntu and I have placed the required user name and password there and I have also entered the service name in the field between the username and password. But it shows to be disconnected every time i try to dial the connection.
I have also tried with the "sudo ppoeconf" command and "setpppoe 1.0 software" and failed.
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Jun 3, 2011
I cant connect to the internet, when i am about to connect to the internet its says you are now offline, then when I put my WPA key in and it starts to connect and when its finished connecting it says you are now offline again, the network name comes up but i cant connect
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Aug 3, 2011
I tried using the ubuntu 11.04 cd but it didn't work so I had to dig out my old ubuntu 8.04 livecd. I had a computer with windows xp totally get wasted and I decided to do a clean install with ubuntu 8.04 and update to the newer version, however I cannot get the internet to connect (wired), I've tried figuring out of there is a driver problem but was not able to figure it out.
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