Ubuntu Networking :: Ubuntu 10.04 TLS Connection Established But Internet Not Working
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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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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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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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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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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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 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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Jan 31, 2010
After installing UNR onto my dell mini 9 and downloading the correct drivers to enable wireless internet (using this site: [URL]), I decided to load ubuntu onto my brothers netbook. After the installation completed, I went to do complete the steps listed in the above article, however I was unable to connect to the internet using an ethernet wire.
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Feb 2, 2010
I recently installed KDE in my ubuntu machine. I would like to try it out for a few weeks at least, but networking is not working at all.
I somehow managed to find the network settings and it shows no connections, wired or wireless. When I log out and log back in with gnome, my wireless gets connected automatically.
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Jun 16, 2010
I'm using a WUSB54GC network adapter to connect to my home wireless network. My network was not visible, so I added it and it shows connected, but when I launch the browser, I can't get a connection. I'm using Ubuntu 10.4. All other computers on the network connect fine and I disabled my firewall to see if that made a difference.
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Jul 26, 2010
my netbook shares it's wireless connection to my desktop. i've done this through the gui (edit connections > eth0 > ipv4 settings > shared to others) and it has worked for the last i don't know how many months.recently it had become a bit touchy with regards to how it was set up. it didn't work unless the netbook was already booted and wired in at the time of booting the desktop.now however it's gotten even worse and all i get when i connect them together is
"connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" *pause* "connection established" *pause* "disconnected" and so on.
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Apr 13, 2011
I have internet on my ubuntu machine (eth0) I am sharing with (eth1) My windows computers are getting IP addresses via DHCP from the Ubuntu Machine, and I can see (and use) samba/windows shares on all computers. Internet connection is not working on any of the windows computers.
I have eth1 set to "shared to other computers" under the IPv4 settings
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May 7, 2011
Ever since my BT Hub 2 has updated a few weeks ago I'm unable to connect to the internet either wireless or wired. I duel boot on my netbook with xp and duel boot my desktop PC with windows 7. None of the Ubuntu�s are able to connect, I have no problems with the windows side of things.
Has anyone any ideas on how to fix this until BT decide to fix the problem. Preferably a step to step guide as I have limited experience with Ubuntu. I�m using Ubuntu 11.04.
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Sep 1, 2011
I am trying to get a NetGear WNDA3100 working on another computer with ubuntu. I've searched and searched, but all the threads and answers say to install some ndiswrapper thing. One problem with that though- the desktop doesn't have any adapters at all, I'm trying to install the WNDA3100 just to get internet in the first place. I have no internet, cannot download and install anything, and I can't use any apps or commands that don't come with the default Ubuntu 10.04. Please help me out here!
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May 4, 2010
I wouldn't be posting this if I hadn't tried very hard for the past week to do this on my own, but alas, I failed. I have this two configurations:
Desktop:
- Ubuntu 9.10
- Connected to the internet though a wireless card
- Connected to "Laptop" via wired network with a crossover cable
Laptop:
- Dell latitude
- Ubuntu 9.10
- Connected to "Dektop" via wired network with a crossover cable
The wired connection is working, both computers are able to ping each other, but I haven't managed to share internet, nor files. I have tried many different ways, from setting the wired network to "Shared to other computers" to this guide in the Ubuntu Wiki. The best I could get was for the connection to work by setting the IPs manually, whatever else I try results in either nothing or in a not-working connection.
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Jul 7, 2011
Ubuntu 11.04, wireless adapter BCM4312.The connection works for a while, for a random length of time from a few minutes to a few hours, then stops working. The laptop says it's connected, and the router says it's connected, but the browser can't find any Web pages, it can't find the router, and there is no response to pings from the router or any other device on the local network or on the Internet. "Host unreachable." When I try to ping to the laptop from another one, it times out.If I shut down the computer and try again a few hours later, it works fine again for a while, then after a while it stops working again.
In case it's relevant, sometimes when I restart networking from the command line, it says "ignoring unknown interface eth1=eth1," even though ifconfig -a lists eth1 as up with an ip address. eth1 is the wireless adapter. Another laptop with Ubuntu 11.04 connects to the same router with no problems.Using a fixed IP address doesn't change anything.
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Jun 9, 2011
I am fairly new on CentOS and am in the process of setting up a small home office network that shares Internet access through the Linux (CentOS) box.I have two network interface cards The Linux box is also the DHCP server. My challenge is to get the client machines to access the Internet! I have a PPP connection to the ISP. Essentially I followed these Instructions CENTOS REDHAT Internet Connection Sharing. Pretty straight forward but I am still not able to get clients to access the Internet. I defined the DNS server through DHCP (196.44.x.y). I assumed it has to do with default gateway and it is set as follows: on the Linx box the gateway is my ppp0 link. DHCP uses eth1 (LAN card) fixed IP as the gateway. All clients are reflecting this information. The firewall (iptables) is reflecting the FORWARDING and POSTROUTING rules as advised.
Is there a step I mioght have missed to get this working? I tried to Google but its not getting me far.
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Jan 4, 2011
I am setting up a Beowulf Cluster using CentOS 5.5. I have the head node with two NIC devices eth0 and eth1. eth0 is the one that is connected to the WAN while eth1 provides the internal LAN connection. I am trying to configure internet connection sharing with the slave nodes on the network so that I can update/install software as needed via ssh sessions using yum. I have set up the master node with the requisite changes to iptables to enable IPv4 forwarding. From my slave nodes I can ping ip address from the terminal, but my domain name resolution is not working. i.e. if I ping [URL] it can not resolve, but if I ping 74.125.224.50 (one of google's IP's) I can communicate with the machine without a problem. I also ran the configuration tool provided in the README section of the forum on the slave node and the master node. The links are:
[URL]
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Jan 9, 2011
I am running Ubuntu 10.10, and I would like to use my computer to share the internet connection from an ethernet port. For example, I would like to set up my computer as a wireless access point so I can create a network that other computers can connect to for internet.
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Sep 3, 2010
I've been wondering about how I can change settings on the notifications that show on the screen when a wireless connection is established, when I get new mail, etc. They look a lot like growl notifications from OSX, but clicking on them doesn't show me anything. If someone could explain a little about what they are/do
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Nov 21, 2010
Currently I use openSUSE but the 6 months release cycle is starting to bug me a bit so yesterday I have tried Debian Testing daily snapshot created on 20-11-2010, using KDE desktop (I am a KDE fun). All goes well until I try to make a pppoe using KDE's module network manager.
I created the pppoe connection with user and password but I got 2 problems:
- After I have created the connection it doesn't appear along with "Auto eth0" above the button manage connections.
- The pppoe connection is not established (both password and username are correct).
I know that I could use pppoeconf or ceni for that matter, but I am new to debian as I where new to openSUSE 4 years ago and I am still learning, so please don't tell to use them I just want to know if there's a way to use network manager from kde 4.4.5 to establish a pppoe connection (you could name it the GUI way, no worries I like using the console as well). Under openSUSE I have a program called qinternet that helps me with pppoe connection is there something similar under Debian?
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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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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May 1, 2011
I seem to have is trying to get the internet to work. I can go to ..... ect but when I try to run playonlinux it says you do not seem to be connected to the internet, please post if you have anything useful, as I said I am very new to linux so be as detailed as possible.
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Jun 21, 2009
I have installed Fedora 11 recently. I want to share my Internet connection.
I have e LAN connection eth0 which is connected to internet.
I have a Wireless connection wlan0.
I want to share my internet connection with wireless connection.
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Feb 4, 2010
I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.
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Aug 17, 2011
i installed a linux flavor (Ubuntu 10.04 LTS, Ubuntu 11.04, and then Linux Mint).. They all gave this same problem about the wired network (see the picture). The connection seems to be fine but i can't connect to internet or even to my router. Which is weird since it knows my router IP 192.168.1.79. Wasted the whole night trying to figure it out but i just can't understand why. I have a separate partition on this computer to run Win7 also and confirmed that the network connection is working.
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