General :: Eth0 Failed At Startup FC2, Intermittent Web Access After Tweeking Network Config
Jul 30, 2011
I am using FC 2, and I get 'eth0 failed' during startup.
I am configured for DHCP
device is 'inactive' under network device control after reboot
click 'activate', sometimes I can surf, others not.
When I can't get online, sometimes deactivating and reactivating works.
edited connection to 'activate device when computer starts'
eth0 still fails at start-up, and device is inactive.
I am supposed to use FC2 for my schoolwork
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Jan 23, 2011
I'm working in windows, and that's why I have been able to access the network. In F14, I was able to access the router address while the internet access ain't. Tried restarting network, and still the problem persists. Tried [URL] and the only thing that i've infered is that IPv4 Failed: FATAL plus, the routing table showed 0.0.0.0 as one of the entries (Gateway). So, i've deleted the wired network configuration from the Network Configuration and checked whether the os would pick it up automatically. It still didn't work.
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May 6, 2010
I have a troubling networking situation that is compounded by the system being remote without any out-of-band mgmt in place nor a serial connection - but am relying on a coworker entering commands into the terminal for me, or doing stuff in the GUI I have an FC12 i386 install running, that was up and stable for 6 days. Primarily this was only being used for a deployment of nTop. Up through Monday evening, I was connecting to the system (in NY) via VNC (here in SF), and was successfully watching nTop do its thing.
Tuesday morning, I go to connect to SSH and I can't get in. The NAT translation is still in place on the firewall, but there is no connection to the NIC/eth0 from the router. This is what I've had my coworker run:
[code]...
I was going to try and have her run the /sbin/mii-tool eth0 tomorrow a.m. just to verify that the interface isn't physically bad? But this is a brand new desktop, and I can't for the life of me understand why this interface went down. I also have the internal IP on a DHCP reservation, which is the same IP listed in IPADDR in the ifcfg-eth0 file - could this be a problem? should I remove the DHCP reservation? I did this so I could SSH to a public IP which I have NAT'd back to the internal 10.0.x.x address I had my coworker take a look at the GUI, and the eth0 properties are "inactive" and the "Activate|Deactivate" buttons are greyed out.I suppose I can have my coworker grab the /var/log/messages and copy to a USB drive, then email me that from another workstation.
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Jun 9, 2011
I'm having a weird problem, eth0 does not start neither on bootup nor ifup...not even issuing /etc/init.d/networking restart...i will show you some info just to check
[Code]...
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Sep 1, 2010
I've used Samba for several years and when it works it's great. Unfortunately from time to time it seems to get messed up and either all the 7 machines on my home network can't be seen or I can't access the shares on some. I have 2 Windows XP computers 4 Kubuntu and one Linux Mint KDE, all the latest versions. I'd rather not plough through all the documentation for Samba, but would really like a "model" smb.conf with a few comments about parts that might have legitimate variants. I have researched this with Google searches many times but have failed to find the information I need in concise form.
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Jul 12, 2010
I use an Ubuntu 10.04 minimal install with only the packages I want, I like to keep things pretty slim.
On bootup, when I execute "startx", everything starts to load, this is fine. However, just off of a cold boot with only my startup apps running, conky shows around 450mb of RAM usage. It usually is only around 150 - 175.
Sometimes when I boot my computer Conky shows the normal RAM usage in the 150mb range, sometimes it's in the 450mb range.
My startup apps when I start X is openbox, tint2, wicd-gtk, feh (for wallpaper), and conky.
I open up htop when conky reports the weird RAM usage. htop also shows the weird RAM usage but I can't seem to find the memory hogging app.
Is this a kernel issue? I'm using the vanilla Ubuntu 10.04 kernel. Will recompiling from kernel.org fix this?
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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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Jan 17, 2010
When I install the FC11 by using"Install or upgrade an existing system"or"Install system with basic video driver"mode...Point 1, I can't config the network config ( IP Address ), due to theerror of network manager...Point 2, I can't enter into the text mode to do the installation steps.Remark:The machine is provide Web,DNS, and Mail Server on the NET ( Internet )
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Mar 2, 2010
I am trying to install OpenSuSE 11.2 via network.It is my pxelinux.cfg/default file
default ubuntu
prompt 1
timeout 30
# Install i386 11.2 Suse
[code]....
A network client computer gets ip address from dhcp server, loads initrd and failed on Loading Istallation System stage 4 or 5. If I try to continue installation in manual mode I get an error net_activate: ifconfig eth0 up failed I tryed network cards from different vendors it did not help. Ubuntu linux installs successfully in current environment.
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Jan 23, 2011
I'm not used to using Ubuntu or Debian as a server. I'm more accustomed to Red Hat/Fedora ways and even Gentoo (yikes).
Under Red Hat installs, you can often configure most services that start from init using config files in /etc/sysconfig named by the service. Is there and equivalent thing under Ubuntu?
Specically I'm trying to control how the libvirtd and kvm processes are started as far as command line options go. I need to add the --listen option somewhere.
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May 7, 2011
Sometimes my file share network stops working,and will then work again.I'm lost with this problem. The server pc is a Zenwalk pc.The other pc is a win7 pc. This error only occurs on Zenwalk. When i run puppy from the live cd the file shares are always visible,without fail.Under puppy i use pNethood. When the ping command is used there is no problem, and the pc name can be pinged.This is shown below:
[Code]...
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Feb 1, 2010
I recently installed two PC with debian lenny (kernel 2.6.26). One is called serveur-debian1 and the second one serveur-debian2. I have installed gnome,samba, mysql5, apache2, php5, and Virtualbox,bridge-tools on them. On serveur-debian2, i installed an other virtual debian lenny with apache2,mysql5,php5,nagios and centreon on it to view my network. I remember having installed a soft to access nntp on serveur-debian2 in order to test nagios.
Since a few days, i have problem to access to my servers. rom my windows 7 client, i try to ping serveur-debian1. Response is OK but not for all resquets Always from the same computer, i try to ping serveur-debian2. Response is OK but not for all again.
When i launch a ping on serveur-debian1 and serveur debian2 at the same time i have:
ping 1 to 10: serveur-debian1: response OK
serveur-debian2: no response
ping 11to 14: serveur-debian1: no response
serveur-debian2: response OK
ping 15 to 25: serveur-debian1: respone OK
serveur-debian2: @ip serveur-debian1 network unreachable (there's no error, it shows me the ip of serveur-debian1)
If i switch on the debian virtual server on the serveur-debian2, and i ping it at the same time, the response is OK for all resquests. The problem is very strange. I can't have a correct connection and when i launch a request from a software which access the mysql server, the requests failed ...
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Jan 14, 2010
The shares get mounted correctly and you can navigate through the directories and open files.The only problem is that it randomly starts going really slow taking 30 seconds or longer to open a directory that has 2 or 3 files in it.I have tried quite a few things to try and fix this without any luck. Its getting to the point where I am having to consider recommending that we use windows instead, which I would rather not do as I think its good for students to experience different operating systems during school.
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Jul 3, 2010
I swap hard disk from one machine to another. Now when I do ifconfig all I see is lo interface listed, eth0 disappeared.
Is there a way for debian to reconsider what drivers to load for eth0 ?
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Mar 18, 2009
I've been racking my brains over the past few days trying to figure out why my NIC card (network interface card) won't show up in the ifcfg-eth0 file.When I configure a new server (like this one) I always go to:/etc/sysconfig/network-scripts/ifcfg-eth0 and from there I usally see the name of my NIC's manufacturer's name and the hardware MAC address.Then it's only a simple process of entering the server's IP address, netmask and gateway and I'm up and running in no time...But not in this case! the ifcfg-eth0 file is completely blank! There's not ONE single line of config info in it... (?)The server runs an Intel core 2 duo (dual-core) CPU with 1 gig of RAM.
I've even re-formatted the drive and re-installed Centos 5.1 on the darn thing 3 times and it simply won't work.The server cannot resolve when I do a wgetIt also gives me a 'resolution problem in the named configuration'.What I don't understand is that the 2 small LEDs on the Cat 5 cable lights up and flash at what appear to be regular intervals here.
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Apr 1, 2011
I had a server that I use for Radius DNS and Trying to put DHCP on it I have My pool in it seems right. I have 2 adresses aliased one being a helper IP that the router will send the request to. When I try to start the dhcp server I get the following.
Mar 31 14:33:11 rad2 dhcpd: No subnet declaration for eth0 (76.164.173.2).
Mar 31 14:33:11 rad2 dhcpd: ** Ignoring requests on eth0. If this is not what
Mar 31 14:33:11 rad2 dhcpd: you want, please write a subnet declaration
Mar 31 14:33:11 rad2 dhcpd: in your dhcpd.conf file for the network segment
Mar 31 14:33:11 rad2 dhcpd: to which interface eth0 is attached. **
[Code]...
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Feb 26, 2010
I'm running Fedora 12. I've been using Amahi for a trial but this blew up. Last attempt to use it flagged up a problem with Ruby on Rails release version incompatabilies. I've removed Amahi using the software toolk. I now have no internet access and no ETH0 in network manager. How do I get my ethernet back?
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Apr 1, 2010
I'm running Federa12 on my Asus EeePC 1005HA and I can't upgrade my system because my network connection flakes in and out. I'm connecting to the D-Link DIR-655 802.11n router. Any hints or ideas? I'd rather solve this than just plug-in the ethernet cable.
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Sep 29, 2010
I am trying to install fedora10 on my desktop with 320gb HDD, Intel Dualcore, Biostar mother board, 1 GB RAM. I installed fedora many times, now my PC is connected to a SAMSUNG B2030 monitor which is of size 20.5 inches. This time, Anaconda is falling back to text mode as it cannot recognize the VGA. Monitor CD is along with me but it didnot contain any linux drivers. (Drivers for xp are installed). What is the solution? Should I switch to the latest fedora13?
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Jun 23, 2010
I am getting avahi daemon failed message at startup and after that the screen keep flickering but no login screen appears. I have read somewhere at the Internet that the cause is full usage of /tmp. Further they advised to delete /tmp/X0-lock. I am using fedora9. Please tell me: 1. If deleting /tmp/X0-lock will be safe? 2. To do this, how can I access the command line when system is not starting up ?
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Nov 30, 2010
I've noticed that when Linux boots on different machines or with different versions, the network card is assigned to eth0 or to eth1, when there is only one network card. What is the difference and is there any way to tell which one it will be for any machine or version?
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Oct 12, 2010
I'm having intermittent network failure on my laptop but I can't figure out why. I have a cable modem and a 10Mb/s (bits) connection (at least that's what I'm paying for). The modem is connected to a wireless router, to which my laptop connects wirelessly. Quite often my speed drops considerably-- sometimes as low as a few hundred bytes per second. Other times it fails completely. This will happen with just about any server you can imagine, including the Debian FTP mirrors in the US.
- When I do file transfers over the local network from my laptop to my desktop, they go pretty fast, around 2 MB/s. I believe my wireless card (Intel 3495) maxes out at 3 MB/s (bytes), so that seems reasonable.
- When I download a file from the outside network, it usually goes pretty fast too, around 1 MB/s, which is close to my limit.
So why is it that the connection between the laptop and the external network is so slow? I've tried power cycling, but it doesn't really help. I can't think of anything else to try.
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Apr 19, 2010
I have setup a dual boot machine which has OS of Windows Vista (32 Bit) / RHEL 5. The LAN Card details are - Atheros L2 Fast Ethernet 10/100 Base T - Controller. The said Network Card works fine with the ADSL Connection in Windows OS, but does not seem to initialise in Linux. When I run "ifconfig" in terminal window it gives away the prompt - "eth0 no such device exists".Although it shoes the loopback adapter (lo) device working fine. I forgot to mention over here, I have just started with Linux. So, I request "the" Linux Gurus to help me out with this one.
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Mar 9, 2011
how to remove the network alias (ex: ifcfg-eth0:2)from RHEL5, i had deleted the ifcfg-eth0:2 file from /etc/sysconfig/network-scripts/ifcfg-eth0:3but i can still see the entry in the graphical network configuration after i issued the command system-config-network, i want to remove it from there.
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Jul 20, 2010
Installed openSUSE 11.3 over an existing 'very stable' 11.2 installation and started experiencing wireless connectivity issues immediately. Network Manager would show connected 100% - 92% but I would lose connectivity to mail, browser and messenger(s). This disconnect would last less than 30 secs but would occur every 2 to 4 minutes.
dmesg reported:
[ 3663.672098] iwl3945 0000:03:00.0: Failed to get channel info for channel 3 [1]
[ 3664.101085] iwl3945 0000:03:00.0: Failed to get channel info for channel 3 [1]
[ 3664.529050] iwl3945 0000:03:00.0: Failed to get channel info for channel 3 [1]
BTW Channel 3 is the channel my wifi is broadcasting on. I've tried other channels and other computers and it is only openSUSE 11.3 having an issue. I am also using WPA2. Modifying the Global Options in Network Settings from User Controlled with NetworkManager to Traditional Method with ifup seemed to stabilize most of the issues, but I do notice occasional drops. I've also switched from Network Manager to wicd to provide some UI while dealing with this issue. Since iwl3945 drivers are now in the kernel I don't know if I should try to revert to an older driver or if there is another issue.
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Dec 12, 2010
I had debian lenny running smoothly for a while, then I think the power went out and the computer didn't shutdown smoothly. The next time I started it up I ran into this error: Checking root file system.../etc/rcS.d/S10checkroot.sh: line 274: /sbin/logsave: Permission deniedfailed (code 126)This happens in single user mode as well. I've tried fscking all my partitions but it doesn't help. I've booted in bypassing the normal init and changed the permissions of /sbin/logsave to 777 and during boot I get a message of: The file system check corrected errors on the root partition but requested that the system be restarted. failed!Then the system just reboots automatically without letting me to anything.
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Oct 16, 2010
On ubuntu 10.0 desktop, I can configure network ( for example, eth0 and eth1 )via GUI, but the /etc/network/interfaces just had two lines after setting eth0 and eth1:
Code:
I can't use ifdown/ifup to stop/start eth0 or eth1 because they're not in the file. So which file is written after I configure network via GUI?
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Mar 16, 2011
building a box with no other interface than tcp/ip. now in case something goes wrong when changing the /etc/network/interfaces via ftp and when rebooting the system cannot bring the interface up I would like to be able to detect it and replace the interfaces file with a default one stored on the system.
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Apr 17, 2011
I'm nearly at the end of creating a shell script that automates changing network settings by prompting the user for desired settings, then applying them.
In the course of my development, I created temporary copies of /etc/sysconfig/network-scripts/ifcfg-eth0 (/etc/sysconfig/network-scripts/ifcfg-eth0_tmp1, for example) so as to not alter the original file. Little did I know that on boot the system would attempt to load each of these kinds of files and associate it with an ethernet connection, in this case eth0.
So..... now there are multiple copies in the /etc/sysconfig/network-scripts diretory that essentially have the same settings. They are..
/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/sysconfig/network-scripts/ifcfg-eth0_tmp1
/etc/sysconfig/network-scripts/ifcfg-eth0_tmp2
Now when the system boots, it attempts to load them all. The boot doesn't appear to complete, and I can't ping, login, or otherwise access the system through convention routes (putty, etc.).
The easy solution would be to delete the tmp files and reboot. Now, how do I do that without being able to log in to the server. It's a VM by the way, if that makes a difference.
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May 4, 2010
My colleague changed the hostname using "system-config-network", but now I want to change it using any how (either system-config-network or /etc/sysconfig/network). Even I changed it from /etc/sysconfig/network. But when I reboot the system its getting old hostname. Is there some other place to change hostname?
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