Ubuntu :: Updated 9.10 And Eth0 Disappeared?

Jan 16, 2010

I did an weekly update through aptitude, and it asked for a restart.after the restart, there was no ethernet available. ifconfig brought absolutely nothing, as though the card was no longer present This is on an old dell tower. How do I find out what happened. I don't know how to find out what was in the update.

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Debian Configuration :: Updated To Kernel 3.0 And Ethernet Disappeared?

Aug 30, 2011

I just updated my Squeeze install now the current kernel version is now 3.0.0-1-686-pae. I now no longer have any internet connection.I have tried the failsafe boots with no luck. I have tried the 2.6 kernels and have had no luck.I have tried to manually start the connections with no luck.I have booted off of a Squeeze Live CD and the connection works just fine.

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Ubuntu :: 10.04 Running - Eth0 Connection Disappeared

Apr 3, 2011

I'm running 10.04 and my eth0 connection disappeared. If I go into my network tools, I can see the IPv4 connection and test the ping and all. When I go to my network connections, I do not see the eth0 at all. I have not made any serious changes lately and have no clue to what could have caused this. I have tested the cable with my laptop, and it works fine. I have serious reddit browsing that needs to be done!

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CentOS 5 Server :: Updated Fresh 5.3 Xen Kernel And PAE Support Disappeared?

Aug 26, 2009

I have installed CentOS 5.3 with Xen on a PowerEdge 2650 machine with 6GB of RAM. As usual, PAE was already enabled so I did not have any problem with utilising all of the memory. However after upgrading to the latest release of the kernel (2.6.18-128.7.1.el5xen), memory available decreased to 4GBs. Then I switched back to the old kernel and 6GB was there. Then finally have switched back to the new kernel and 6GB is again there. So now PAE seems to be enabled but what concerns me is the inconsistent behaviour. (Also I am not sure the reason was the upgraded kernel.)

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Ubuntu Networking :: 9.10 Server - Fixed IP Eth0 Disappeared

Mar 9, 2010

Ubuntu server 9.10. I have configured my network connection using GUI Network connection. It worked fine with DHCP, but when I assigned a fixed IP eth0 has disappeared. How can I restore it?

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Ubuntu Networking :: Eth0 Disappeared For No Apparent Reason?

May 4, 2010

I was struggling frantically this morning for about 5 minutes after I booted up my computer, and wondering why it couldn't connect to the internet. After I figured out that the automatic wired network "Auto eth0" was gone from the network manager, it was easy to manually add it back. But why did it disappear in the first place?

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Ubuntu Servers :: Eth0 Disappeared / No Network Connection - Resolve That?

Aug 8, 2010

After rebooting, I found that the server couldn't see the network. The machine has dual gigabit ethernet (eth0 and eth1). eth0 is connected to the internet, but disappeared. ifconfig used to show eth0, eth1, and lo, but now only shows eth1 and lo. If I boot into rescue mode I can get internet and ifconfig returns eth0 and lo. Any ideas on how to fix this?
I apologize in advance if I ask any noob questions. I'm not a very experienced Linux user.

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Ubuntu Servers :: 10.10 - Setup Eth0 With Subdevice Eth0.0 And Eth0.99 To Come Up At Boot

Apr 22, 2011

im trying to setup eth0 with subdevice eth0.0 and eth0.99 to come up at boot

eth0 is dhcp clint
eth0:0 is static ip
eth0.99 is 802.1q vlan interface
/etc/network/interfaces
Code:
auto lo
[Code]....

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General :: Stop And Restart Ethernet Connection Ubuntu 9.10 - Ignoring Unknown Interface Eth0=eth0

Mar 8, 2010

If I uncheck and recheck "Enable Networking" in the Network Manager Applet 0.7.996 I would expect the wired network to disconnect (which it does) and reconnect (which it does NOT). So I tried sudo ifdown eth0 and got

Quote:

Ignoring unknown interface eth0=eth0.

ifconfig tells me

Quote:

eth0 Link encap:Ethernet HWaddr 00:25:64:e8:18:2c
inet addr:192.168.0.112 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::225:64ff:fee8:182c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]....

so I am at a loss. How do I stop and restart the network interface short of rebooting the machine?

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Ubuntu :: Eth0 Doesn't Exists For Firestarter - Eth0: Error Fetching Interface Information: Device Not Found

May 5, 2010

My network name is eth2 it was changed by some reason and now i got these errors... i installed, reinstalled, re re installed, tried to run the asistant but no luck :/

Code:

* Stopping the Firestarter firewall...
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found
eth0: error fetching interface information: Device not found

[code]....

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Networking :: Eth0 Fixed IP - Eth1 DHCP Gateway - Access To Eth0?

Aug 19, 2009

5.10 Breezy configured as machine controller. Works great eth0 is a fixed IP to communicate with controller comms board. Not easy at all to alter - the comms board is hard coded to listen on eth0 for commands.

I can use eth1 as the default gateway and ping google.com, etc. But when I now attempt to communicate with the controller with netcat, e.g.

Code: echo !HH | nc 192.168.1.6 80

I obviously never get an answer since the request is passed via eth1. Using the -g option with netcat doesn't work either. I had a look at iptables but it doesn't seem to be able to do what I want. How I can still use eth0 as my communication port to the controller whilst eth1 is the default gateway?

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Networking :: Production Server With Static IPs On Eth0 And Eth0:1 - Getting Private LAN On Eth1?

Jul 1, 2010

I have two servers on a vlan at my datacentre/colocation and previously both servers had public IPs on their eth0 interfaces. The servers are HP ProLiant DL360s - one is a G4 and one is a G5 The newer G5 is now the LAMP server and the G4 has been retired and I want to repurpose it as an iSCSI target using openfiler freenas or similar.

My G5 has public/static IPs lashed to the eth0 physical interface and the eth1 is not configured to do anything yet. The G4 will have both interfaces available - perhaps one for ssh access from one of my static public IPs and the other to be a private IP on the local vlan. Here is what I am trying to get my head around...

The G5
eth0 - Public IP - full LAMP services on two or three virtual interfaces
eth1 - Private IP 192.168.0.1
The G4
eth0 - Public IP for ssh
eth1 - Private IP 192.168.0.2

Because my traffic between eth1 on these boxes is via private IPs on the local private vlan it doesn't add to my quota for bandwidth. How do I go about configuring the routing and gateways and other aspects of this so that I can run a private IP space network between the eth1s and still serve the outside world from the eth0s...

I am afraid that if I assign the private IPs to the eth1 interfaces the routing may either not work or interfere with the access to the production internet facing interfaces (eth0s).

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General :: Force Server To Open Connections Via Eth0:0 Not Eth0?

Mar 3, 2010

I got two IP's in my dedicated server. Both are external IP's. I would like to make connections using 2nd IP address under eth0:0 interface. For example: when using "lynx whatismyip.com" should display my 2nd IP. How to do this using iptables ?

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Debian :: Eth0 Disapears And No Eth0 Inteface Found

Jul 13, 2009

On my machine (Desktop PC) I have 2 network card : wireless (rt61 802.11) and a wired card (BCM44). When I install debian 5.

The wired card is detected and logical name eth0 is assigned, while wireless is not assigned I install firmeware* software to configure the card. It is done in some way ( I used mnetwork from mepis, it works fine).

Now the problem: eth0 disapears, and no eth0 inteface found? ifconfig gives just wlan0.

Question: Why there is no eth0, it was before configuration of wlan0 ?

How to active again eth0, or ho to create the logical eth0?

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Networking :: Ignoring The Unknown Interface Eth0=eth0?

Dec 18, 2010

I'm running a dual boot Ubuntu 10.04/Backtrack 4 (Ubuntu 8.10) system. I can get internet in the BT4 side but not in the Lucid side. In Lucid I can ping my router, and the network manager says I'm good to go, but I can't get to any web sites. It all started when I tried to put my laptop on another network by mimicking the settings of a computer I had just unplugged from the network. MAC address and all.

ifconfig eth0:

Code:

eth0 Link encap:Ethernet HWaddr 00:1f:16:ba:4c:8c
inet addr:10.136.9.147 Bcast:10.136.9.159 Mask:255.255.255.240
inet6 addr: fe80::21f:16ff:feba:4c8c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]....

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General :: Getting Eth0 To Come Up - Eth0 Seems To Have Vanished From Computer

Mar 2, 2011

I'm not sure how long ago this happened but eth0 seems to have vanished from my computer. wlan0 works fine and when I plug into the switch there is carrier detect.

Code:
21:35:43 ~:$ ifconfig eth0 up eth0: ERROR while getting interface flags: No such device
21:55:49 ~:$ lspci 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) 07:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300 After that i have no idea where to search for problems next, any ideas would be greatly appriciated (can't spell) ubuntu 10.10

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CentOS 5 Networking :: Kernel Rpm Install After Error "Bringing Up Interface Eth0: Device Eth0 Has Different MAC Address Than Expected, Ignoring"

Dec 26, 2010

i install kernel rpm after i boot that kernel network not working kernel name : kernel-rt-trace-2.6.24.7-132.el5.centos.i686 [URL] error "Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring."

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Networking :: Sending Video Streams From Eth0 And Eth1 To The Other Server Programs' Eth0 And Eth1?

Jul 30, 2010

I try to generate a server client code. What i try to do is sending video streams from eth0 and eth1 to the other server programs' eth0 and eth1. In order to do that, i decided to use SO_BINDTODEVICE. But the code is not working. Am i misunderstood the usage of SO_BINDTODEVICE.

1-Defining two ports
2-Defining two sockets
3-Assigning host ips on them

[code]....

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Fedora Security :: Find Device Eth0 Entered Promiscuous Mode Don't Remember Putting Eth0 In Promiscuous Mode?

Nov 18, 2010

I've looked today on my logs /var/log/message and I find device eth0 entered promiscuous mode I don't remember putting eth0 in promiscuous mode I'm connected to the net thru a router how do i turn that off ?

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Networking :: Kernel - Forward Packets From Eth0 To Eth1 And Eth1-to Eth0 As Well As Get A Copy Of These Packets For Analysis

Sep 27, 2010

I have a hardware device with two ethernet ports, eth0 and eth1 running Centos 5. Basically my goal is to forward packets from eth0->eth1 and eth1->eth0 as well as get a copy of these packets for analysis. If I set IP routing to do the forwarding then I won't get a copy of the packets for analysis.

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Ubuntu :: Updated 9.10 Now Can't Load?

Mar 18, 2010

I've been using ubuntu for months, the last two updates i have installed by they never worked. so i've just been choosing pervious working install with no problems, which was 2.6.31-17. i've just downloaded another update and now all i can do is select between xp and ubuntu and instead of getting the next selection screen to pick which version ie .17, .19, or .20, to load. all i get is grub ver. "what ever". then a few lines about the tab function. then "sh: grub" i'm a newbe to the code lang of ubuntu. i don't know what i need to type to get it to load the ubuntu operation system??? or to fix the grub selection screen, or why the installs since .17 don't work.

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Ubuntu :: 10.4b2 Updated Won't Start?

Apr 21, 2010

I have a Thinkpad X40. I've installed Ubuntu 10.4b2 Netbook Remix on it. I have two issues with it:1. If I boot to kernel 2.6.32-21, the machine locks up hard when X attempts to start. The keyboard becomes totally locked (ctrl-alt-f1and the screen is blank. 2.6.32-20 works fine. (thanks to IRC for telling me how to get to GRUB when it's set to auto-boot.)2. I had 10.4 alpha3 on it originally, and the 3d netbook launcher was dramatically faster than the currently updated version of it. Related to #1: how can I set GRUB to automatically boot to the older kernel? Where should I be looking in logs to see if there's something I can report effectively?

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Ubuntu :: Does Anyone Know If ISO Is Updated Periodically?

May 21, 2010

Does anyone know if the ISO is updated periodically? Also is it just me or is Google Chrome faster than Firefox?

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Ubuntu :: Can't Login Since I Updated / Fix It?

Jun 7, 2010

I'm using xubuntu 9.10 and yesterday (6/7 2010) there were 5 important updates which required restarting. So I restarted my computer and found out that I can no longer log in. I got to the login screen where I wrote write my password and it started the logging in but then the screen went black and I came back to the log in screen just like nothing had happened.

I can log in in safe mode but not in the normal GUI boot up. How do I fix this?(sorry for my rusty English btw)

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Ubuntu :: How Often Is Chromium Updated

Jan 8, 2011

i did some looking online and read that chrome/chromium will tell you if an update is available by showing a small orange dot by the settings wrench. i have never seen one. but it seems that (as far as i was able to figure out) i do have the latest version (8.0.552). i do remember seeing chromium having been updated through the Ubuntu update manger, but all i remember seeing are security fixes, not updates (although i might not have seen them). i also read that chrome/chromium has a 6 week release cycle. Its been awhile since ive seen chromium updated (unless update manger is doing it and not telling me). is there a newer version of chromium? or am i just too observant/impatient?

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Ubuntu :: Kernel Updated In One PC But Not In The Other?

Feb 8, 2011

Ubuntu 10.10 on both PC's.

One is updated to kernel 2.6.35.25, but the other one does not give me any updates for kernels..so it still has 2.6.35.24. I don't understand this.

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Ubuntu :: Updated 10.10 And Now No Internet?

Mar 2, 2011

I updated (I have already been using 10.10 for some time now....) my desktop last night before I went to bed and I installed the updates that I was prompted about yesterday. Well today it says all the updates were installed and asks me to restart - i do.

1st thing I notice is my username/login was different - it used to just be <name>; and now it is <name>-x2512xt5125532 (not exactly, but it was changed..) My password is still the same and logged in fine.

I open up firefox and i notice I have no internet connection (I am wired..) - The back of my desktop light is on (so it definitely has connection) but ubuntu says it is disconnected. I tried deleting the current wired-setting and still not working.

I am using VoIP so I unplugged it from the back of my phone, and directly wired it to my computer - still no internet. I know I have a connection because my phones are working - just not THIS desktop. I have another desktop with 10.10 and the same updates (except the problematic one is 32bit, and the other is 64bit).

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Ubuntu :: Updated To Gnome3 - Can't Log In

Apr 6, 2011

I opened UbuntuTweak to find a new repository, Gnome3, available.

I selected it, and tried to install it. I was told I had a broken package, and to fix it first.

I closed Tweak, and opened Synaptic, and clicked fix broken packages, then select all updates. It updated.

I went to restart...and now I can't log in. It brings up the login menu, but the "session" tab at the bottom is grayed out.

If I attempt to login, it seems to accept it, then goes black, and right back to the login screen.

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Ubuntu :: ICEauthority - Could Not Be UPDATED

May 28, 2011

I cannot use ubuntu. Somehow, I managed to get a working terminal from the recovery mode.

I wanted, still do, to change my username. hihihi100 is my old username, the new one is dexter: I changed it in the user and groups section, and moved everything from the /home/hihihi100 folder to the home/dexter folder. In the terminal I can see all the files, none is lost, all are owned by dexter of the group dexter hihihi100 folder is gone

Now the bug, or more precisely, where I realised I had f*kked up:

My machine loads normally, untill I reach the login screen, where I am prompted to choose a username and a password: after doing so my 11.04 will only show 3 different messages:

NOTICE THAT hihihi100 is gone, all the information of that folder is now in dexter (/home/dexter)

Code: could not update ICEauthority file /home/hihihi100/.ICEauthority

There is a problem with the configuration server. (/usr/lib/libgconf2-4/gconf-sanity-check-2 exited with status 256)

Nautilus could not create the following required folders /home/hihihi100/Desktop, /home/hihihi100/.nautilus

I dont understand why my machine wants to create folders inside hihihi100, a folder that does not exist anymore

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Ubuntu :: Use An On-disk Iso As A Repository & Keep It Updated?

Jan 8, 2010

I'm trying to figure out how to use the copy of karmic I downloaded as a repository source. Synaptic has an option to use the install disk as a repository - I'd like to do the same with the copy I have on disk. I've tried to figure out how to search for this, and can't seem to find any relevant information.In the "I'm getting ambitious" department, I'd also like to keep the iso updated with the latest stuff from both Ubuntu sources and the third party repositories I've added, and delete the packages I've removed from my install.

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