Ubuntu Installation :: Loss Of Internet Connection After Upgrade From 8.04 To 8.10?
Feb 27, 2010
Loss of internet connection after upgrade from 8.04 to 8.10 Like the title says, I lost my internet connection after upgrading my Ubuntu system from 8.04 to 8.10.I used the downloaded automated method. It appeared to work fine on its initial reboot into 8.10. But I noticed the internet icon indicated loss of connection. Even so, I was still able to browse the net through Firefox. But then when I rebooted the next day the opposite was true: the connection icon indicated connection, but Firefox would not actually connect, nor would update manager. It has been like this since. This is a dual boot machine, and the Windows XP Pro side still connects to the internet as usual, no problems.So how can I make my new 8.10 system connect to the internet?
I use a Motorola SB4200 cable modem
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Oct 15, 2010
Not sure this right place for this. After updating from Ubuntu 10.04 to 10.10 lost internet connection - was instantaneous loss. Wired connection computer to router. Icon on computer shows "wired connection 'auto Eth0'active" The router shows line connected ok. Computer shows connection is established. Connection information menu shows details such as IP address broadcast address and other details. Where do I go from here to reconnect to internet.
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May 9, 2011
I'm a pretty new ubuntu user and I've just upgraded from 10.10. It seems to be working pretty well, except that I can't figure out how to connect to the Internet. When I click the wireless icon to try to connect, the drop down menu is as follows:
Wired network (grey/unclickable)
Disconnected (grey)
JackET N8 (grey)
Disconnected (grey)
3 Internet (white/clickable)
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May 19, 2010
I upgraded to ubuntu 10.04 lts yesterday. The upgrade went smoothly. but now I have a very slow internet connection. It is as if I am on a dial up when I have a broadband speed of 20 MB. What can I do to fix or perhaps roll-back the installation to the previous proper working state.
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Oct 11, 2010
I use the CD upgrade method to upgrade my kubuntu 10.04 to 10.10.Not to mention,the ISO image of the CD is this one :kubuntu-10.10-alternate-i386.iso.At the first run I choose YES for the prompt asking for internet connection or whatever, but I immediately realise that I have chosen a wrong option, so I exit and restart the upgrade all over again.On the second run, I choose NO for the prompt , then the installation continues until it reaches the 'fetching files' stage. It pops up and says "The upgrade has aborted. Please check your internet connection or installation media and try again. All files downloaded so far are kept."
I don't want to reinstall the whole system again because I want my applications;I don't want to use the updater to upgrade because I have a low internet speed .
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May 1, 2010
I had clicked on the upgrade notification in Update Manager. After 3 hours of downloading, it stopped abruptly. Now when I try, I get a message saying could not download, check internet connection. I am able to visit other sites, and am actually downloading the CD itself without any problem.
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May 4, 2010
Excited at seeing the new features in 10.04, I clicked the Upgrade button tonight. I am now really regretting it! Problems:
1. My screen resolution should be 1280x1024 but the System>Preferences>Monitors control panel only shows 1024x768.
I think I have onboard Realtek graphics. Do I need to install proprietary drivers? Everything worked fine out of the box with 9.10!
2. The sound isn't working. Again I think I have onboard Realtek sound, and again it used to work fine without any intervention from me...
3. Although on first startup wireless networking was working fine, I restarted to see if that would solve the display issue, and wireless networking stopped working too!
I have an RaLink wireless card.
When I used Grub to choose 2.6.31.20, I got some error messages at startup (e.g. mount couldn't mount /dev), but then it did eventually start up and the sound and wireless networking are working again. But the resolution is still not fixed. It is now offering 1152x864, which it didn't previously, but no 1280x1024 (my screen's native resolution).
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Jun 21, 2010
After having updated unconditionally all packages in Kde-desktop-factory-repository to get the latest version 4.4.4, I can no longer connect to the Internet through Knetworkmanager. I receive the the following message from a pop-up window when clicking on the Knetworkmanager icon
Code: KNetworkManager cannot start because the installation is misconfigured.System DBUS policy does not allow it to provide user settings; contact your system administrator or distribution.KNetworkManager will not start automatically in future.I tried opening Knetworkmanager in a terminal as root user through 'su' but received the following message:
Code:# knetworkmanager knetworkmanager(2331): KUniqueApplication: Cannot find the D-Bus session server:"Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
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Mar 11, 2010
I have a new Toshiba Satellite L450, and decided to run Ubuntu, which is new to me. I am running a 64 bit Karmic, and there is no driver that works. So, to make a long story short: a friend helped me get a driver on my Desktop, namely: rtl8192se_linux_2.6.0100.1012.2009_64bit.tar.gz We had it working, but when I let in the first large batch up updates, it kicked the driver out. I found instructions, installed it again. I let in the next updates, and it kicked out again, and this time the instructions don't work. So, I have two sets of questions:
1. Will updates always undo my wireless? Are there certain updates I should avoid if I want the wireless to stay up and running? (I just assumed the thing to do is just get the updates -- though I am guilty of having no idea what they were about.)
2. Did the updates cause one of my instrucitons to no longer work, or need to be modified?
They were as follows:
sudo apt-get install build-essential
cd ~/Desktop
sudo tar -xvzf rtl8192se_linux_2.6.0100.1012.2009_64bit.tar.gz
That 'sudo tar -xvzf...' operation is the one that stops me. Is there something to change in that line? It goes on:
cd rtl8192se_linux_2.6.0100.1012.2009_64bit
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this worked the first time I tried it. I posted this earlier under 'hardware', and do not know how to get that post off, so I typed it here once I realized.
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Jul 27, 2011
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I adjusted my routes to use my ppp1 (VPN) connection for almost all browsing. Have I misconfigured something.? Some more background information: My VPN is about halfway around the world from where I am / my PPPoE connection. I've already changed my DNS servers in /etc/resolv.conf to Google's 8.8.8.8.I get around 2 kBps on Ubuntu and 50 kBps on Windows using the same VPN. =/
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Apr 26, 2011
Im still newbie on linux and i'm recently tried to move my server from win xp to ubuntu, but Idk why
when there is a lot connection it kind of automatically cut off all the connection, I am using Ubuntu 10.10,w/ glassfish+MySQL
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Mar 16, 2010
For most of today I had my internet connection dropping out on me intermittently. I assumed it was a provider issue, as it has been unreliable in the past. After it dropped out for good, and I could not print through network, I realised it was not a provider issue. All the other computers in the house were connected, including another ubuntu box. Only the MacBook Pro 5,5 was not able to connect. The network manager indicated I was connected to the network, throughout the whole time.
A number of restarts with the kernel I normally use (2.6.31-19) including one in recovery mode, yielded no change, but a restart with the 2.6.31-20 kernel resulted in connectivity. Finally, perhaps by chance, wireless started to work again on the 2.6.31-19 kernel, after I once booted into the Mac OS, and then back into Karmic. How I might go about diagnosing, obviously in hindsight, what happened? I suppose I should look in the log files, but I have no idea where exactly, and what to look for.
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Feb 27, 2010
Just want to know if my connection will be good for voip like skype...
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Apr 2, 2010
Today, I was upgrading my desktop from Jaunty to Karmic (a little behind schedule, I know). All packages downloaded successfully, and then the computer began the process of applying all of the updates. During this period, at some point, it lost power. Now, of course, it won't boot.
Fortunately, I have a separate /home/ partition, and it was unmounted during the upgrade process. So, my personal data and settings are fine. But the OS is useless.
I'm guessing that I'm completely buggered here, and there is nothing that I can do except re-format the Ubuntu partition and clean install Karmic from an install disk.
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Jun 30, 2011
A couple of years back, just getting into Ubuntu, I installed Firestarter as an option to aid in networking. Realizing that it really didn't help in my plan, I now want to remove it.In terminal, I typed:
Code:
sudo apt-get purge -y firestarter
I rebooted, only to find out that I now have no internet connection.
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Jun 16, 2010
Since I upgraded to Slackware64 13.1 my system feels slower than before (Slackware64 13.0).I paid attention to the documentation (changes_and_hints.txt, readmes etc.) regarding the update. The only thing I changed is, that I used the KDE-4.4.4 packages of AlienBob instead of the KDE-4.4.3 packages of Slackware.
But since AlienBob at his blog wrote, "Although it seems (by looking at the changelog between 4.4.3 and 4.4.4) that there were no spectacular updates in the latest stable KDE Software Compilation, I got some feedback that 4.4.4 does feel �snappier� than the 4.4.3 which is part of Slackware 13.1.", I thought it would be a good idea to use these packages.
I also recognized a few crashes in KDE, which I didn't have before so often. Therefore I moved the .kde to .kde_bak and configured kde new. This improved the behaviour regarding the crashes, but it still seems not that stable to me like the KDE 4.2 in Slackware64 13.0.Did anyone recognize similar problems after the upgrade, or can give some hints how to solve it?
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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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May 15, 2011
I have been having this problem for about two weeks now where Debian's network and internet connection randomly fails. It works perfectly fine and hosts all the services I need for a while, and then without warning all network connectivity fails. I can't ping any other network device. Regardless of how much I try to fix it, the only thing that works is restarting the computer. First, the server went 7 days without a problem; then 5 days; now it lasted 2 days. Judging from my Teamspeak server logs, it crashed today at 12:31. I grep'd through my log files and found this information:
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Apr 19, 2011
I have three machines networked to my desktop which run a bunch of simulations in parallel. As they're running, I connect to them via SSH and screen to keep an eye on the runs and look at the output. They stay usually connected for days at a time. The SSH servers and client are running Fedora 14. Yesterday one of my coworkers accidentally yanked the plug on one of the servers while it was running. When I powered it up again, I started getting some odd connection problems. I couldn't connect to it via SSH initially because I got the Remote Host Identification Changed (RSA host key changed) error. I deleted the key in .ssh/known_hosts, which allowed me to connect, but it denied my password. I then logged into that machine locally, restarted sshd, and removed .ssh/known_hosts again. Now I can log in via SSH without problems. However, the connection dies with a "Write failed: Broken pipe" error every few minutes (as opposed to the other two machines, which stay connected indefinitely).
So my questions are:
1.) why would a power loss affect the behavior of the SSH server?
2.) why do I keep getting broken pipes now?
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Mar 15, 2011
I had been playing around with wpa_supplicant, iwconfig and dhcpcd to get an x-less internet connection. However, this seems to have broken my Internet connection. I have reverted my wpa_supplicant settings, but every time I change networks, I must manually run
Code:
$ sudo /sbin/dhcpcd wlan0
in order to get a connection. Unfortunately, this sometimes results in
Code:
err, wlan0: timed out
warn, wlan0: using IPV4LL address ###.###.###.###
Using KDE 4.6 on openSUSE 11.4 32-bit. I want KNetworkManager to just automatically work.
Code:
$ ping google.com
ping: unknown host google.com
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Dec 17, 2010
I recently bougt an Asus N61DA with Windows 7. I decided to install Ubuntu alongside Windows, so I made the Ubuntu CD, just like it said. Then I inserted the CD and restarted the computer. I started the installer (ubuntu 10.10 64-bit) and chose the option where it says "install ubuntu alongside other operating systems", or something like that. So, the installation started, but then I lost the internet connection, and the installation stopped.I re-connected the computer, but the installation still wouldn't continue. I restarted the computer and then nothing happened. I've restarted it several times, but still nothing happens. I've inserted the Windows recovery CD, but it doesn't work
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Apr 8, 2010
I'm trying to upgrade a remote Ubuntu 8.04 server to a newer release. Following some tutorials, I tried:
root@linux18:/etc/apt# lsb_release -a
No LSB modules are available.
Distributor ID:Ubuntu
Description:Ubuntu 8.04.4 LTS
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Feb 23, 2010
Somehow I lost Internet connection and tried various threads and still does not work.
When used the liveCD I can access Internet
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Oct 17, 2010
Luckily I have a second machine running 9.10 and could get onto the net for assistance.
I tried all sorts of modifications to sysctl, modeprobe files, etc and checked all over google for a fix.
It appears that the IPv6 settings are part of the kernel, in this case I am going back to 9.10 and staying with 9.10 until this IPv6 is sorted out. Most home routers do not have IPv6 connections, only IPv4. This lack of Internet connection has happened with both server and desktop. I do not know the reasoning behind this decision but I will not be upgrading to 10 until IPv6 is sorted for me as a home user.
Able to boot with different partitions of a 320 GB hard drive with Windows Server 2008, Ubuntu server 9.10 plus Ubuntu desktop 9.10 but IPv6 with 10.10 installs on the respective server and desktop partitions does not allow a lan connection to the router. All are 64bit downloads.
ASUS motherboard, Core 2 Duo CPU 2.9 GHz, 2 GB RAM
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May 21, 2011
I have just installed ubuntu 10.10 on an Acer Aspire 3610 notebook. 2 GB RAM. This notebook had Internet access previously via Windows XP (now erased). Here is the partitioned drive. Two ext4 partitions for ubuntu "/" and "/home". Two ntfs partitions possibly for Windows. I have booted up the fresh installation of ubuntu 10.10. I had some glitch where I saw "Operating system not found' on booting from HDD and I wondered if this was due to failing drive.
But I've run a full test using Disk Utility and it shows as healthy. This message has gone away (I don't know why) and I can boot into ubuntu. The problem I'm trying to solve is simply no internet connection. Here are some outputs from commands ..
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Aug 30, 2010
Sorry title should have been F13 installation without internet I am having a P4, 1GB ram, 80 GB machine. Since yesterday I am having some funny issues on this machine. i have fedora 12 installed on this machine.
My mouse suddenly stop working, or the cursor changes from pointer type to a line cursor and basicaly the mouse just stops clicking. I am plannning to install fedora 13 on this machine. Have downloaded the 5 iso (
CD images).
Would choosing the option upgrade on existing Linux partition do the job? Is there a chance I loose my data files when the upgrade is done? I dont want to reinstall programs like java, eclipse, tomcat etc that I done in fedora 12. I only intend using the CD's as I dont have a lot of bandwidth and a fast internet connection to use yum.
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Jan 14, 2010
The problem is network manager on top shows connection is established but I cannot browse internet, output for ping www.google.com is unknown host
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Mar 2, 2010
I just recently Ubuntu 9.10 and have never used Linux at all before. I was wondering, all the links and tips and everything tell me to use Ubuntu Software Center. I haven't had a chance to actually go to the Software Center yet but does it require an internet connection to install software or can I download the tar.gz / tar.bz2 files from sources such as Softpedia.com and still install them using Software Center without a Internet Connection?
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Apr 24, 2010
I don't yet have an internet connection on my machine so I am using cyber cafes to do my research and whatnot. However, most of the stuff I read concerning updates and installations rely heavily on the machine using an internet connection to automatically install various packages.I don't mind reading up myself on this kind of thing but I think I need a pointer in the right direction as "ubuntu package install without apt/get" doesn't bring up much on a google search (the only entry on the first page is a post on this forum back from 2005 about kernal compiling!).
As an example, the file I would like to install is "aircrack-ng-1.0.tar.gz", which I've already downloaded and saved to my machine's desktop. I'm not really asking how to install aircrack, per se, but just any kind of package without relying on an internet connection (i.e. download the program/package to a flash disk and then on to my machine).
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Aug 15, 2010
i installed ubuntu 10.04 in inspiron n4010 laptop. No internet connection is detecting. i have both wifi and wired network. in the desktop panel icon of network it shows networking is disabled ..
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