Fedora Networking :: F11: Ethernet Is Enabled But Can't Make A Connection?

Jun 27, 2009

I just fresh installed Fedora 11, and tried to connect via ethernet. I connected the cable and connection was started (in the network managed the two gray circled turned green) but then instead of connecting me the connection was aborted. I am behind a router if it helps and made sure eth0 is enabled. PS this is the output of "service network start":

Quote:

[root@Gal-PC subsys]# service network start
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:

[code]......

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Fedora Networking :: Make The Ethernet Connection By Hand In The Command Line Mode?

Apr 12, 2010

The GUI for network configuration of Fedora is marvellous such that the configuration is almost fool-proof. But how can I make the connection by hand in the command line mode? It goes okay except the very last step. When I disconnect the eth0 interface from the right-hand side of the desktop GUI, I tested how to bring it back by command line but I failed. When disconnected, the ifconfig still shows the eth0 interface, with just the ip address portion changed.

I tried "ifconfig eth0 192.168.1.xx" to give it an ip address but the connection is still down even if the ifconfig shows an ip address for the eth0 interface. Then I tried "/etc/init.d/network restart" and "ifup eth0" and also "route add defaut gw 192.168.1.1" but none of these could accomplish the same work as a single click on the GUI to connect. I am very curious about how to do it in the terminal.

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Networking :: Configure Ethernet Connection Between 2 Fedora 12 Pcs?

Mar 5, 2010

I want to connect my pc to my laptop. I have fedora 12 installed in both system.How can I do this?

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Fedora Networking :: Ethernet Connection Sabotaged By SELinux - AVC Denial ?

May 26, 2009

I installed Fedora to a desktop with a hardwire ethernet connection to my router. When I ran the live CD it connected fine. When I boot now I have no connection, and when I try to connect I get this "AVC Denial" message and some mumbojumbo about SELinux is preventing nm-dhcp-client to read libdbus-glib blah blah blah. The troubleshooter app is no help to me at all. This is extremely frustrating. A couple of weeks ago I did an install to this same computer and had no problem at all. The only difference is that this time I wiped all of my old distros from the HD, and made separate /, /var, /boot, /tmp, and /usr partitions (in addition to the old /home partition which I kept.) I don't know how that could be causing this problem, but it's the only thing different about this install. Should I just go back to putting everything but /home on one partition?

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Fedora Networking :: Ethernet - Suddenly Lost Internet Connection

Jun 16, 2011

I installed Fedora today, and I automatically had internet connection, I never had do configure anything myself. Then, I was playing around with VPN for a good while (trying to set up the VPN connection to my University), and now, I suddenly lost my connection to the internet!

But only Fedora can't connect anymore, the Windows PC has connection as well as my Mac OS X (I dualboot Linux on my MacBook). The Ethernet connection works as well, when I unplug the cable, Fedora gives me a message, but I just don't get into the internet!

Does anyone have an ides what I have to do? I don't know anything about network connections and I'm new to Linux...

I already restarted the Computer, but that didn't work, and Google didn't really held either.

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Fedora Networking :: Ethernet Connection Stopped Working - Cannot Find Server

Jul 23, 2009

After using fedora 11 for a month or two now the ethernet gave out on me tonight. However if I switch to my ubuntu or windows XP install it runs fine. I made no recent changes to network connections, and no installed programs that should effect it.

kernel version: 2.6.29.6-213.fc11
default connection: eth0(and only connection)
ifcfg-eth0:
# Networking Interface
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:1F:C6:DB:05:0C
ONBOOT=yes
TYPE=Ethernet
IPV6INIT=no
USERCTL=no
NM_CONTROLLED=yes
NAME=eth0
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
DNS1=192.168.1.254
PEERDNS=yes
PEERROUTES=yes

I have tried, restarting, older kernel, restarting services, and clearing the DNS Cache. The specific error I get is that "Firefox can't find the server", and most other applications return similar. I can however ping websites still. All other computers on the network are running fine, and booting into another system the internet will work. Just not for fedora.

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Fedora Networking :: DHCP Lease Renewal Failing On Wired Ethernet Connection?

Aug 1, 2010

I'm running an up-to-date Fedora 12 machine with the Gnome desktop (meaning with Network Manager). My network connection is a wired ethernet to a switch which then connects to a Netgear router. For some reason, this machine can't renew its leases with DHCP, so NetworkManager deactivates eth0, taking my machine off the network. I have to click Network Manager and enable eth0, which seems to work every time.

How can I fix it? Here are the relevant bits from /var/log/messages showing a failed DHCP request and then the successful renewal.

Code:
Aug 1 04:00:08 ironton dhclient[12452]: DHCPREQUEST on eth0 to 192.168.1.1 port 67
Aug 1 04:00:08 ironton dhclient[12452]: DHCPNAK from 192.168.1.1
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> (eth0): DHCPv4 state changed reboot -> expire
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> (eth0): device state change: 8 -> 9 (reason 6)
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> Marking connection 'System eth0' invalid because IP configuration expired.

[Code]...

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Networking :: No Internet Connection When Firewall (UFW) Enabled

Jul 6, 2010

When I enable my ufw it completely shuts me out and I have no internet connection. When I do:

Code:
sudo ufw status numbered
I get:
Status: active

To Action From
-- ------ ----
[ 1] 80 ALLOW IN Anywhere
[ 2] 80 ALLOW OUT Anywhere (out)

But I need to disable my ufw in order to reconnect back to the internet. Why is that? Doesn't the above rules indicate that I should have inbound and outbound traffic even if my firewall is up?

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Fedora Networking :: Make A DSL Connection Over WLAN 11?

Aug 22, 2009

I recently got a laptop computer and installed 64 bit fedora 11. I can make wireless connections fine but for my ISP I require a dial in using an username and password. On my desktop this is easy I just make a DSL connection under network manager and select eth0 my wired network card as the hardware and away I go. But now I can't select the wireless card as my hardware connection so my DSL keeps on trying to connect through eth0 which is obviously not plugged in. How do I go about making this connection? I have searched google and other people have this problem but I haven't seen any replies. I have tried using pppoe-setup and manually setting the hardware as wlan0 but this doesn't seem to work as under network manager it just defaults back to eth0.

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Fedora Networking :: Make ADSL Bridge Connection In 10?

Oct 2, 2009

"I am new to Linux. Could you please guide me how to make ADSL bridge connection. I have tried to make connection using Network manager. But, it some times works and some times doesn't works."

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Fedora Networking :: Make Pppoe (ADSL) Connection On 12?

Apr 11, 2010

how to make pppoe (ADSL) connection on fedora 12

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Ubuntu Networking :: Wired Connection - Can't Connect - Dhcp Enabled Automatically

Jun 20, 2010

Since that time I moved to Archlinux and I love it. I do however run lubuntu live from a USB for my work PC. I am having a problem with it. I think it's okay to post here because the core of the system is still Ubuntu. I don't think LXDE is the problem. I start up the live environment and it says 'wired connection connected' but I can not load any pages or do anything.

I thought it may be a problem with configuration so I copied down (from Windows) the IP, Subnet, Gateway and DNS. I put them in manually and it doesn't say connected any more and still no connection at all. I am unsure what to do from here. I am not really familiar with Ubuntu enough to try much. I tried to 'dhcpcd eth0' but dhcpcd isn't installed. I guess the default Ubuntu network manager has dhcp enabled automatically.

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Ubuntu Networking :: Server With Both NICs Enabled Breaks Internet Connection?

Nov 25, 2010

I have installed Ubuntu 64 10.04 server. I have two nics and have set them up to both be static with their own IP with the correct gateway, network, broadcast, subnet and dns-nameserver. When I have both enabled, I can ping local pc's but I can't ping Internet sites like Google nor can I get out to the Internet with apt-get or Lynx.

If I disable one, then I am able to get out to the Internet. All my configs look good, and it does not matter which one I disable, just so long as there is only one NIC on, everything is good.

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Ubuntu Networking :: Share Wired Internet Connection To WiFi Enabled Android

Sep 30, 2010

I've been reading around, but not had much success at all in trying to share the internet connection from my laptop to my phone.all the articles i read refer to earlier versions of Ubuntu and the packages they mention have become obsolete, according to the apt-get tool.im not that new to Linux, but my networking probably isn't up to scratch.if anyone could help me, that would be great, im using Ubuntu 10.04 at the time of writing.

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Ubuntu Networking :: Crosswire Or Ethernet - Make A Server Box My Entrypoint To My Networking

Mar 1, 2010

Im trying to make an ubuntu server box my entrypoint to my networking. Meaning itll function as a server, a firewall, and a gateway. so i already installed dhcp3 and a dns server.

I have 2 ethernet cards in it. So now i wonder, should i the second card into a router's modem/wan port and make the router a switch? or should i plug it into one of the routers lan ports?

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Ubuntu Networking :: How To Use A Ethernet Connection

Apr 4, 2010

how to use a ethernet conenction(Marvell Yukon 88E8039 PCI-E Fast Ethernet Controller )in ubuntu...my internet requires user name and password ..can u even tell me how to config the user name and password

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Ubuntu Networking :: Can't Get Ethernet Connection In 10.04?

May 11, 2010

I installed 10.04 today, and I can't get any connection through the LAN. I've tried some stuff on my own, but I've been unsuccessful so far. It's not a hardware or connection issue, as it works perfectly fine in Windows 7. I haven't had this issue in any previous version of Ubuntu (or any Linux distro for that matter).The weirdest part is I booted from the installation CD as as LiveCD, and everything worked perfectly fine. It only stops working after I actually install it. Here's the results of ifconfig:

eth0 Link encap:Ethernet HWaddr 00:17:31:d8:d5:76
inet6 addr: fe80::217:31ff:fed8:d576/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]....

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Ubuntu :: Ethernet Card Cannot Be Enabled In 9.04

Jan 1, 2010

i tried to connect internet in ubuntu 9.04 by using sudo pppoeconf and now network manager is displaying as ethernet device not managed.i couldnt connect internet in ubuntu.how can i enable ethernet card in ubuntu.

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Ubuntu Networking :: No Ethernet Connection On Karmic

Feb 13, 2010

i shut down my ubuntu karmic for a bit. turned it back on after an hour or so and now i have no network connection. i checked all the obvious things like cords etc wife's computer is connected through the same router / modem and no probs here.i even replaced the card in mine.

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Ubuntu Networking :: 10.04 - No Wireless Or Ethernet Connection

May 3, 2010

I just upgraded to 10.04. I had wireless connection for 1 day and now nothing. No ethernet connection either. I CAN use both wireless and ethernet using my machine on Windows.....so the connection stuff does work. Here's the output of of the commands I got from the "sticky". I can't display the output as this forum puts it all together as one continuous sentence with no line break!

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Ubuntu Networking :: Can't Get Connection For Second Ethernet Card

Jun 6, 2010

I'm trying to set up a shared Internet connection that had been broken by a previous update, I believe. Eth0 is connected to the Internet, whereas eth2 should be the connection going to my Roku set-top box. Under the nm-applet icon, an entry exists for "Auto eth0" for the first card, but there is nothing under the second card except "disconnected". How do I make a connection entry under my eth2 card so that I can share my Internet connection with my Roku box?

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Ubuntu Networking :: Ethernet Connection Not Working / What To Do?

Jul 27, 2011

When I start my Ubuntu machine, it says "eth0 connection established". But i could not able to ping to other machines available in LAN & also to Internet.

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Networking :: Testing The Ethernet Connection Continuously?

Nov 2, 2009

My program is working. However, I would like to add in some features. Let see my code first

Code:

if (returnresult<=0)
{
printf("Connecting....
");

[code]....

When the ethernet network connected, it will go into the else loop at line no. 13. The system will send status and display the status at control panel screen. If at this point, the ethernet disconnected, it will go back to the if loop at line 1. The system will keep trying to connect to the network and keep loop the if loop until it is connected.

Question now is I need the system to test the connection too after going into the operation loop that is start from the line no. 47. If the system went into the for (int c=0;c<cCOL;c++), it will need to do all the operations as indicated by cCOL times before it exit that loop and go into the previous loop.

I need the system to detect connection everytime an operation is going to happen or ended and if there is no connection, it will trying to connect. Before it is connected, it will not continue the operations. I tried to put the function "Connect (szPort, szAddress)" into each loop. Yes, the operation stop everytime the network disconnected. However, it shows on control panel screen "New Connection...." everytime it execute the statement. In fact, the network never disconnected.

I tried to look at the Connect function code, it is as below, I cannot figure out any statement that can stop the appearance of that "New Connection...". It may be hidden at the library source code, it is too hard for a beginner to modify the library code.

Code:

int Connect (char *szPort, char *szAddress)
{
/* Set the remote port */
int port; /* port number */

[code]....

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Networking :: Mint 10 Ethernet Connection Gone Broadcom?

Mar 6, 2011

OS: Linux Mint 10 | Windows 7 Install Type: WUBI inside windows 7 Computer: HP Compaq Presario CQ56' Network: Realtek PCIe FE Family controller w/ Realtek 8102E chipset Problem in: Network Connection Issue: After I woke up my computer from Sleep, I lost ethernet. No connection. It told me that I had lost my connection. Why? Now, after several restarts, nothing.

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Networking :: New Ethernet Connection On Old (gutsy) Ubuntu?

Jul 23, 2010

i've just got a new broadband/wireless connection from Virgin Media and am trying to get this very old laptop online. in the past, cable connections have been easy, and wireless has given issues, but this time its the opposite. so, i have a new cable connection that is all plugged in. called customer support, they have no support for linux as usual, but they 'manually activated' the modem and thats all they can do. i am not trying to setup the wireless network yet, i'll do that with a pc later, for now i just want to plug in and go. on Network Settings, i have set the wired connection to dhcp. thats what i've done before ... not sure if i need to get static addresses from the ISP? i can go online now using the erratic but generous neighborhood free wireless.

ifconfig -a gives:

Code:

ath0 Link encap:Ethernet HWaddr 00:14:A4:1E:3E:65
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::214:a4ff:fe1e:3e65/64 Scope:Link

[code]....

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Networking :: Serial Connection Over Ethernet With C-Kermit?

Jul 30, 2009

I have a Sun server that could be only configured via serial interface. It has one serial port with a RJ 45 connector. Although my laptop has not serial interface. Is there a way to use C-Kermit or any software to establish a serial connection via the ethernet port. It should be some kind of virtual serial port that should transmit the information over the ethernet port, without encapsulating it in ethernet frames.

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Networking :: Tap The Phone Line To Run Ethernet Connection?

Jun 15, 2010

it is possible to tap off your phone lines with ethernet connectors. As an example. I take a phone jack in the bedroom, I splice off the line of the phone and insert an RJ45 connector along with the phone connector. Hopefully the line will be 4 wire. I can't imagine it would work with only 2 wire. I don't know for sure. Would that work?

My thoughts are the problems with the entire phone line connections. I know the phone line runs out of the house. Would it not work because of that when I attach a switch to it? If anyone has accomplished this or tried to, I would like to know. I'm guessing that the house would have to be pre-wired with CAT-5 because of collisions that can occur.

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CentOS 5 Networking :: No Ethernet Connection On Thinkpad X40?

Nov 23, 2010

I'm trying to connect my newly installed CentOs 5.5 to the network. But although there is a cable connection that has worked well before with other distributions, the network configuration keeps telling me:"Determining IP information for eth0... failed; no link present. Check cable?"Here are the results of the /.getinfo network script:This is a university network that is working well for thousands of students, so the problem is not on the side of the network or the DHCP server.The wireless card is also not shown in the network configuration.

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Networking :: 2 Or More Ethernet Ports - How To Make The Alternate Work

Apr 9, 2010

I have 2 (some future machines will have 4) ethernet ports. I want to have them configured such that if any gets unplugged, as long as at least one of them is plugged in, it can reach the network (even if via a different IP address), and it can be reached (at least when trying a working IP address). I tried this for /etc/network/interfaces:

Code:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static

[Code]...

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Ubuntu Networking :: No Ethernet Connection After Restart From Hibernation

May 7, 2010

Following upgrading my 09.04 partition to 09.10 then 10.04, all was working fine until I tried hibernate out for the first time - big mistake! If I can get to a position where i can log on to the system, I find that my ethernet network connection is disabled and I cannot get it to restart. My 09.10 system still works ok. I am tempted to do a clean install of 10.04, even though I'll have to spend some time reloading the extra's and re-configuring.

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