Ubuntu Networking :: Connection Is Established But Not Able To Connect To Internet In 11.04?
May 21, 2011
I bought my new Dell inspiron N1401 64bit laptop. It has windows 7 installed in it, I am begineer to linux. I have installed Ubuntu 11.04 64 bit version. I have a wired internet connection which works fine with my windows 7. When I switch to Ubuntu, when internet cable is plugged, the top right corner, network manager shows connection is established, but when I open firefox I cannot access internet. I tried searching on forums, but I could not make it work. If I type ifconfig command in terminal attached is the output I get, I dont know what is the problem. I want to use Ubuntu than Windows
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Feb 13, 2011
I see something like internet connection is established. Ive established etho connection but I cant open any sites at all. I also have Windows on another hard disk and it works well. About a week ago I had Ubuntu 8.04 and it worked really fine. What�s wrong? Is there any remedy?
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Jul 24, 2010
My wired network dead which i used before 1hr. I seen my firestar firewall application blocked a hit from my internet provider gateway address. I allowed all the connection from my provider gateway after that hit. It did not work. I installed a new OS ubuntu 10.04 tls. and assigned the IP address but still I cant acess the internet. It says connection was established but i cant browse net. Some one pls help me. I tried configuring fire fox. no use.I am using Internet dish. I configure it by browser by entering dish IP.
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Jan 5, 2010
I am new to ubuntu, just installed it a few hours a go. I've managed to get it hooked up to my wireless connection but still the internet doesnt work. What I can do to get it working?
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Sep 9, 2010
i have just installed ubuntu 10.04 on my laptop hp 550.after i finished installation i connected to internet via eth0 wired connection normally and everything was fine...after about 1 hour i had no internet....i try restart but is the same problem....this is strange because my eth0 says connection established and when i open mozilla i cant open google either..when i ping [URL] it says "cant resolve "
my internet works fine in windows so what should i do to have back my internet on ubuntu...i cant do anything else in ubuntu if i have not internet and i like very much ubuntu so
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May 8, 2010
I have problem in making connection to my vpn server I can make connection from windows xp to that but can not open any website and I can not ping 172.16.10.1 when connection established.
These are my configuration files:
server config file:
Quote:
client configuration file:
Quote:
And this is my server syslog tailed file:
Quote:
And I added this routing to /etc/rc.d:
Quote:
And this is my iptable:
Quote:
And vpn connection is lost after establishing a lot.
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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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Jul 5, 2011
there is an open wireless i can connect it -in ubuntu- but can not browse anything.we tried to connect via mobile it's working fine ,in addition via Windows XP it's fine ,but not in ubuntu why???!!
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Jun 10, 2011
I was wondering, on a GNU/Linux system including but not limited to *ubuntu, how would I go about determining when the network connection is established on any interface, so I can run a shell script only once at that exact time?The idea that comes to mind is polling-and-sleeping, but I'd like to know if there is another, more robust way? Like an onconnectionestablished javascript event or something.
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Jan 5, 2010
I want a program (shell script) to be executed as soon as my DHCP connection is established successfully. Is there any way I can do this ?
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Jan 18, 2010
I have created the following script
Code:
#!/bin/sh
interface=`ifconfig | grep -iE "(wlan0|gprs0)" | awk '{print $1}'`
[code]...
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Feb 12, 2010
I've been using this network forever With windows and I can't figure out how to connect to it now with ubuntu...I have a build-in wireless card and I know the name/password of the connection, but my computer cannot seem to locate it. I've looked through guides and none of them work..
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May 26, 2010
How to connect Ubuntu to the Internet through a broadband connection? I decided to give Linux a try, and I picked the Ubuntu variant. I have some problems with the Internet connection though. I have a broadband (modem-less) PPoE connection, and all the info needed in order for me to connect are the username and password (which I have).
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Aug 29, 2010
i just installed the 10.0.4 version. My problem is that I cant connect to the internet. When I add a new wireless connection, it says that its connected but i cant ping the router or connect to any websites. It keeps auto assigning me with a 10.42.43.1 ip which doesn't make any since because my router's is nowhere close to that.
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Jun 5, 2011
I just installed Ubuntu in my PC and I tried to connect to internet using broadband connection. I use a ADSL router with WiFi access point to connect with network and dial my username and password using my computer to connect to internet.I could so it easily on windows 7 from Network and Sharing center and Setting up new connection or network and connect to internet using broadband internet.How can i do it with ubuntu 11.04 ?
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Jan 28, 2010
Earlier today I decided I wanted to switch back over to ubuntu, my internet was working fine, but as soon as i reformatted to Linux my modem stopped showing any lights under ADSL - TX and RX. and I can't connect to my wireless connection anymore. What should I doooooooo
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Mar 3, 2010
I have just installed a fresh copy of 9.10 on an older Compaq nc6000 laptop. I need some help getting my Linksys WUSB600N wireless adapter to function properly.
I have "half-way" connectivity, meaning that I can see (and connect to) my home wireless network but I can't connect to the internet (unless I use the wired connection). I have installed NDIS wrapper - no change
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Mar 9, 2010
I am using WINDOWS 7, in which i connect to the internet through broadband connection dialer wich requires username and password,aslo i have another connection wich is used to connect to LAN. I hav recently installed ubuntu 9.10.. Now my WIRED connection is showing established..with eth1 and following are the outputs of some coomands which might help u to identify the problem..
[Code]...
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Mar 16, 2010
My friend is trying to share his clearwire connection with me using Windows ICS. Using network-manager or wicd, I am unable to connect to his share. I am able to connect unencrypted with iwconfig, to the ad-hoc network, and then use dhclient to gain ip address.
I am not able to connect to WPA encrypted share using network-manager or wicd. nm-applet crashes when trying to connect. I am attempting to setup wpa_supplicant, but haven't got it working yet.As usual, the wireless networking out of the box experience in Ubuntu doesn't work. This is extremely frustrating. If Ubunut's goals are to be the default desktop, then these guys need to get wifi that "Just Works"...
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Sep 7, 2010
I have an ASUS G50Vt laptop with Ubuntu 10.04 installed on it. I have a WiFi Link 5100 wireless device. I use these settings to connect to it:URL...My problem is, once I connect, within 30 seconds I lose my Internet connection. It goes on and off seemingly whenever it wants. Is there something I'm missing? Some kind of driver issue or something else I need to change?I can connect to the non-secure connections fine, just when I try to use the secure one it craps out. Halp?
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Mar 6, 2010
I have installed fedora 12 recently. after installation i tried to connect to the internet using BSNL broadband connection. I filled in the details such as IP, Netmask, Gateway and even DNS servers. In the services also I ensured that the network manager services is on. However even though my computer cannot connect to the internet. I then tried the ping test of the modem from the address 192.168.1.1 and found that the ping test is successful. Then i tried the network administrator and there I noticed something unusual.
There are two options in the devices eth0 and eth1 thats ok but the unusual; thing is that the Activate (green button), Deactivate (red button) and even the delete buttons are in the background and I cannot select them. Isthis the problem for the network connectivity.
[Code]....
I then tried the ping test of the modem from the address 192.168.1.1 and found that the ping test is successful. Then i tried the network administrator and there I noticed something unusual. There are two options in the devices eth0 and eth1 thats ok but the unusual; thing is that the Activate (green button), Deactivate (red button) and even the delete buttons are in the background and I cannot select them. Isthis the problem for the network connectivity.
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Jan 11, 2010
I recently installed Ubuntu 9.10 on my Dell Inspiron 1545 64-bit laptop. Before that I used Windows7. In Windows, the internet connection worked perfectly well. But after installing Ubuntu, I am unable to connect to the internet. The network-manager applet finally says that "You are disconnected". When I do the "ifconfig", I got no IP address.
So, I installed Ubuntu 9.04 in the same system. But the problem persists.
I gone through many posts in this forum but nothing was useful.
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Feb 12, 2010
I have just installed Linux Mint 8 to an Asus A6000. My problem is that the computer won't connect with my wireless router. I have tried with MAC-adress and such, but still no respons. I also tried to connect with a cable to my modem, but no response there either.
I think I may lack some drivers, to what I think is Broadcom b43, but I am not sure. I tried to download the drivers on my other computer, and transfered them to the Asus. I managed to install 2/4 drivers, but on the two others, I get this message "Failed to fetch ... Couldn't reach archive.ubuntu.com"
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Apr 30, 2010
I installed Ubuntu (10.04) today and it has gone smoothly except for the fact that I can't connect to the Internet when in Ubuntu (connection works fine in Windows XP). I am using a wireless USB card (Linksys WUSB600N) to connect.
The weird thing is that the card detects all the local networks, asks me for a password to my network, and it even says it is connected to my network after I put the password in -- but when I open Firefox no pages will load.
There is another weird quirk as well: Ubuntu will not restart or shut down properly (it hangs around indefinitely with the little white / orange dots going across the screen) unless I first remove the wireless card from the USB slot. But that doesn't bother me as badly as the lack of Internet.
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Sep 22, 2010
Recently I had installed Ubuntu 10.04 in which I had connected to the internet by way of terminal (pppoeconf) and I could access any site with ease.But one fine day suddenly I could not access the net, I try to locate the notification icon (network manager),but could not find it.I did this and that,googled it trying to find the solution but alas to my disappointment I had to format it.
After reinstallation of Ubuntu I connect the internet by way of editing connection on panel and i could access the net. The problem is that I could not access some site especially org site e.g Home - Desiring God so can anybody guide me in how to connect in most better way.
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Dec 24, 2009
After some wonderful days with fedora with my CDMA mobile internet connection (the only connection where I live) NetworkManager can't connect anymore.
I tried to delete the settings and rewrite them without success.
I have A Novatel Ovation U720 CDMA/EDVO USB modem.
I can connect with wnXP and kubuntu, but can't connect with fedora anymore.
I wish to make the definitive move from kubuntu to fedora... but I should wait.
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Jul 3, 2011
newly installed fedora 15 is not able to connect to internet i have broadband connection with wireless modem my laptop is connecting to wireless modem network. but i am not able to configure pppoe connection on it PS: i am able to connect to internet when using wired connection from modem
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Jun 13, 2010
how to make dsl setup and to acess both wireless and wired at a time.
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Sep 5, 2010
I am using Ubuntu Studio 10.04 LTS and I am experiencing the following problem: my computer loses its Internet connection and appears to require several reboots to re-establish an Internet connection.
As suggested on a similar post relating to wireless connection loss, I supply the output of sudo lshw -C network
*-network
description: Ethernet interface
product: NetLink BCM5789 Gigabit Ethernet PCI Express
vendor: Broadcom Corporation
[Code].....
Note that I have REMOVED my wireless card in case there was some kind of hardware conflict or failure. I am using a wired connection through a Linksys WRT54G router that is supplying an Internet connection to another computer and an IP phone without any problem.
When I run the command network-admin (or select System > Administration > Network) I can see only 3 tabs (General, DNS and Hosts) It seems that the Connections tab has disappeared (and I believe this happened when I upgraded from Ubuntu 9/Karmic Koala). If I click Help it shows me that there should be 4 tabs, not 3.
The connection dropping began prior to my decision to upgrade. In fact it took several attempts to complete the upgrade. Should I attempt to re-install the upgrade? I am not sure how to do it without losing my connection. When I visit System > Administration > Update Manager, I am informed that my system is up to date.
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Dec 5, 2010
I have just installed ubuntu 10.04 using the wubi installer to dual-boot my machine. Under ubuntu, I am not able to connect to the internet or my router. Everything works fine under windows. I have tried to find relevant information in the forums, but nothing seems to work for me. I have tried disabling ipv6, setting a static ip, but no go. ifconfig shows no IP, dhclient results in no DHCP offers and pinging my router's IP results in Network is Unreachable.
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