Ubuntu :: Auto Ethernet Stopped Working / What To Do?
Apr 22, 2011
my wired auto ethernet stopped working. It doesn't appear to be my machine or the hub as the connection is fine using windows on the computer.I'm a bit clueless on the Networking front in Ubuntu. I've brought up the Network Connections box and checked that the Mac address is correct (and it is). I've tried it on Lubuntu and Openbox, but still no luck. The only oddity I see is that the Network Connections box says that the auto ethernet connection has never been used .
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Aug 12, 2010
Version: Ubuntu 10.04 Relavant hardware: P5QL Pro built-in ethernet, cable modem with linksys wireless-G router (although problem is with ethernet connection, not wireless)
One minute my ethernet was working, and the next it stopped working. The only thing that I did between it working and not working was install electricsheep from Synaptic and then I shut down the computer. When I restarted a bit later, no ethernet connection shows up.
I checked the cables, made sure they are in tight.
My laptop connects using the same ethernet cable fine. So its not the cable or the router.
I reset the router and the computer at the same time. Still doesn't work.
I don't know where to even start with troubleshooting this sort of problem. Everything to the extent of my computer knowledge seems to be working fine.
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Mar 13, 2011
ethernet suddenly stopped working and can't get it back, says something about device not active but it works well with the Debian live dvd, what could be the problem?I'm using mobile internet now and this seems to have happened after setting up the mobile connection but I dont think it as anything to do with the wired problem.
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Jun 13, 2010
My computer wouldn't come out of sleep mode, so I had to shut it down improperly. Now there's no ethernet network connection. The NIC works as I can start the computer by wake-on-lan, but somehow Ubuntu no longer sets up a network connection on it.
The green light on the NIC is lit up and blinking. I have changed no settings. It used to get an IP address from the DHCP no problem, but ifconfig now only shows 127.0.0.1.
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Jul 22, 2010
I'm using fedora 13, and it's been a while that yum auto-update doesn't pop up.Some time ago, when updates were available, a notification popped up asking for update (and I love this feature because I didn't have to check manually).Under System>Preferences>Software Update i've Daily check for updates and weekly check for major updates, with no automatic installs.And doing System>Administration>Software updates, it load and updates correctly, just it's no longer automatically checked.
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Sep 12, 2010
I installed Fedora 13. I edited my fstab to automount my NTFS-3g drive. It worked. Then I updated to Kernel 2.6.34.6-54.fc13.x86_64 It doesn't work any more.
On boot-up I get the following error (already showing in the login-page):
Code:
Here my fstab:
Code:
The directory /media/Data continues to exist.
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Mar 29, 2010
When I installed slackare 13 it detected usb drives and cameras automaticallyow it doesn't. I am runnning a 13.0 system, not current, so I have only applied the updates in that branch (iirc including a new kernel).nowadays when i plug a device in it does not seem to be detected by HAL (i.e not in KDE).However the device is listed if you use the command "lsusb" and the computer obviously knows it has been plugged in as there is a relevant entry in dmesg.Sorry for the generallised nature of the post, but I don't really know anything about HAL or how it can have stopped working
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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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Apr 2, 2010
I have been using my laptop as a development machine for a few months now, developing php/mysql applications, and testing them offline via the same laptop by pointing the browser to url.
But a few days ago, my url stopped working and I discovered that it will now only work if I have an active internet connection plugged in. Why has this happened and how to I fix my test server so localhost works with or without an internet connection via an ethernet cable.
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Feb 3, 2011
I have noticed that a common issue to several distros is the fact that the networking subsystem doesn't automatically detect the link if an ethernet connection is disconnected and then re-connected to the NIC after boot. If the ethernet cable is connected after the system is up and running, nothing happens - ethtool eth0 shows link detected: no, and you have to restart the network service to let the NIC know that there is in fact a link, and actually connect. I have a Fedora14 (KDE) box with a brand new Asus motherboard with embedded NIC. Everything works great except the auto-detect of a freshly connected ethernet connection if the link is down to begin with.
Am I missing a ethernet link sentinel utility or something, or is this just the way linux works? I have done plenty of research on plenty of posts, and it seems this is a common problem, with no solution other than manually or programatically restarting the network service in a script to detect the link after a disconnect.
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Jan 17, 2011
After so recent updates, I find the network connections has changed.
I see now that it connects to the network (dsl) by default. I unchecked the box 'connect automatically', yet it still is connected by the time the monitor turns on when awakened from sleep or hibernation.
How can I get the auto network connection turned off without physically pulling the plug?
I'm running 10.10 Ubuntu desktop edition
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May 3, 2010
I have my "documents" folder pointing to a Samba share on a 9.10 server. (Client is 64 bit 9.10). In /etc/fstab I have
Code:
//192.168.20.102/sean/Documents /home/sean/Documents cifs credentials=/home/sean/.smbcredentials,uid=1000,gid=1000
This always used to mount automatically and has suddenly stopped. Same result if I use smbfs instead of cifs. I have worked around this by adding noauto and then mounting it in /etc/rc.local.
Anyone else had this and fixed it so that the share mounts at boot rather than login. I do have some cron tasks that require this to be mounted and assume they will fail unless I login immediately after a reboot.
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Jul 19, 2011
I am unable to connect to the internet at work through the ethernet, previously working. I am not sure of the origin of this problem -- the result of an update or something that I did to the network settings.
In the NetworkManager applet is says Auto Ethernet is connected but I can't ping anything by name or ip address.
The wireless still works without any problem.
I have tried following some of the other threads on similar issues but the fixes proposed on them have not helped to date. And I may have mangled some of the settings files somewhat.
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Nov 30, 2010
Just noticed that auto connection to my wired ethernet is not being established after restarts I'm making. Never recall this in the past. I do get an auto connect when I shutdown and restart. I'm using 10.04 LTS Lucid Lynx.
Also have noticed that nearly every upgrade over the past week or so is calling for restart to complete the upgrade. Can there be any unwanted problems in doing several upgrades over a period of several days before doing the restart? I'd like to think not.
As you can imagine these two issues together are causing some lost time.
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Nov 13, 2010
I've recently bought a recycled computer for my office. The plan was to get an old cheap computer and use it to write LaTex documents but nothing else. However, I can't seem to get the thing to connect to the internet. I'm on a University network which has a funny setup but I don't think that's the problem.So here's the deal. I have tried this with 9.04, 10.04 and 10.10 and it hasn't worked. The computer recognizes the ethernet cable. If I issue the command "sudo mii-tool eth0" and get back "eth0: negotiated 100baseTx-FD, link ok". However, click on the networking logo on the top right, and click auto eth0, it tries to connect for about 30 seconds, then gives up. Unfortunately I'm pretty clueless when it comes to networking so I have no idea what to do to try to fix this.
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Jun 10, 2009
On FC10, when system boots up, it would auto detect (from DHCP) and configure eth0.
This does not happen on FC11, but I can manually configure the interface. The entries in /etc/sysconfig/network-scripts/ifcfg-eth0 are identical on both OS releases.
Don't know if this is related, but when I run System->Administration->Bootloader, it fails system-config-boot - missing module kudzu.
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Jul 13, 2011
When originally installing 11.04 I had problems getting my Ralink 5390 wireless card to work.
Today my computer froze completely and I had to turn it off via the power switch. When I turned it back on, wireless was no longer recognized! My iPod can connect to the network just fine, so it must be an Ubuntu problem. There are no problems with my ethernet connection either.
I researched this and found several threads about blocking and unblocking wireless devices using the rfkill command. Well, unfortunately for me the rfkill command doesn't work. When I type sudo rfkill list or sudo rfkill unblock all, nothing happens; it just returns me to my bash prompt. I even tried uninstalling and reinstalling rfkill...nothing.
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Jul 24, 2010
Missing ifcfg-eth[2-5] fileset for ZNYX 345Q Quad Port 10/100 cards. I have showing in the gui network device that my ports for my ZNYX ZX345Q Quad Port card my ports are Auto eth2, Auto eth3 etc. My Motherboard and Intel cards show as System eth0 and System eth1.
There ARE corresponding entries for those in my /etc/sysconfig/network-settings/ directory, but there are not ifcfg-eth[2-5] files to correspond to these adapters. Can I just write my own files and that will do it?
How does Fedora 12/13 load these drivers into the kernel without having these ifcfg files?
I'd love to know if there is another way Fedora controls NICs / other system resources.
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May 14, 2010
resubscribed to Rapidshare and in the past could easily download my friend's discussion papers using the file manager called DTA that integrates into Firefox. I have taken out a new subscription to RS and instead of getting the files I am receiving small html referer files. In theory this should be corrected by ticking a direct download setting on RS, but it is making no difference. I can manually download the files so I am certain the files are on RS in full form. I am also successfully auto logging into RS and this means the name and password are being handed over correctly
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Jan 19, 2010
I built a computer Asus P5Qpro mobo.Cannot get the Ethernet ccontroller working, have read some fixes in the forums, so far nothing has worked.The mobo has an Atheros ar8121/8113 controller.I've been to Atheros , asus sites Etc.
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Mar 29, 2010
After I installed Windows XP on my leftover partition, I decided to reinstall grub2.
Now when I reboot grub throws me in the grub shell, if I then type configfile /grub/grub.cfg it starts grub like its supposed to. Tho I cant seem to be able to go straight to the grub menu and no to the shell.
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Apr 20, 2010
Have just started to use look at crontab. I could use Scheduled Tasks as well as crontab -e in terminal.
I must have changed something because now Scheduled Tasks just seems to load then dropout. Loading a task through terminal is accepten (crontab -e) but doesn't work.
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Jun 2, 2010
It was working fine. Now, when I boot the computer(9.10 32 bit), I get the message asking me about the certificate. But Pandora never seems to load. I tried to reinstall the AIR app, but it tells me that it is running. I can't find it though. If I try to open Pandora again, nothing ever happens
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Aug 23, 2010
I got a call from a friend who did the distrubution upgrade from 9.04 to 9.10 and all was well for about 2 weeks and then his desktop icons disappeared. He kept running it that way and never looked for help until a couple of days ago he tried to plug in a card reader to get some pictures from his camera and nothing happened. that was when he discovered that he couldn't run Nautilus at all. I had him purge nautilus and reinstall it but then he couldn't even log in to Ubuntu. Very strange indeed. Anyone else experience this? After going over all the settings and finding them what they should be, I just installed 10.04 and all is well except that he lost a few photos.
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Sep 19, 2010
Ubuntu 9.04Dell desktop pcKeyboard stopped workingI was in the middle of an emailwhen my keyboard stopped working.I rebooted.Keyboard worked for Windows Vista.Keyboard worked for Ubuntu login.But once in Ubuntu no keyboard.Mouse works fine. think I may have accidentally touchedthe control key when doing the email
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Oct 14, 2010
I have been using Ubuntu for many years now and pressing ctrl + alt + d used to minimize all windows and show the desktop, but this stopped working with 10.10. I checked keyboard shortcuts but don't see a way to turn it back on there.
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Oct 18, 2010
I was SSHd into my laptop which is right next to me, then it lost battery power and turned off. When I switch it on, I can't FTP, SSH into it and the Network Drive (Samba) won't work.
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Oct 21, 2010
I installed 10.10 on release date and the microphone has worked great until now. It just stopped working. I'm on an hp pavilion dv9620 running ubuntu 10.10.
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Nov 9, 2010
I have a computer running 8.04.4. After a large number of updates, I can no longer run ubuntu-tweak correctly. The program states "This feature is only available in Gnome Desktop Environment" on most of the items.I am POSITIVE that I am running the Gnome desktop.Also, when I reload the repositories I receive the following error:Code:W: GPG error: The following signatures couldn't be verified because the public key is not available NO_PUBKEY (then a hexadecimal number)
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Nov 25, 2010
I have been using Ubuntu 10.10 for about a week now, I have had many, many problems, but usually figure them out by searching through this forum, except this time:I have an HP touchsmart tx2 1025dx laptop. When I installed it, everything worked great, sound, mouse, and even the touchscreen. Right now I noticed that when I press the button on by laptop which toggles the touchpad, it works but after it would freeze the menus, so that they would not drop down, I have confirmed this after many restarts. Now the touchpad has stopped working completely. Although if use the toggle button, it will still freeze by menus. It also somehow stops my keyboard from typing things into programs, like firefox, but still somehow the control-alt delete still lets me restart it.
My question is how can I reset the mouse settings/preferances to how they were when I installed? I found something a while back that was xorgconfig??? but it has since been taken out of ubuntu 10.10 (I read this somewhere, please correct me if I'm wrong.) I hope this is enough information for someone to point me in the right direction.Recap:Laptop Touchpad not workingWhen I press the toggle Touchpad button, messes up the menusUsing HP Touchsmart Tx2 1025dx LaptopLooking for a way to reset/restore sound preferences/settings or enable touchpad/ps: I was able to come here because the touchscreen is still working I ended up doing this:rm -rf .gnome .gnome2 .gconf .gconfd .metacitywhich reset ALL of my settings back to when I installed it, without deleting my programs or files.I found this here: http://linuxfud.wordpress.com/2007/0...re-installing/
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