Ubuntu Networking :: Internet OK When Boot From CD Fails When Boot From HD?
Jan 22, 2010
My Internet connection works fine when I boot Ubuntu with the CD and it does not work when I boot from the Hard Drive. It was working then it stopped. I tried to diagnose the problem but I am not familiar with Linux.
I opened a Terminal window and entered ipconfig (don't laugh ... sadly, i've been in Windows for too long) ipconfig was something that could not be found in my terminal window so i exited.
Next it was System->Administration->Network Tools. I ping'd www.yahoo.com and it said it could not find it. hmmmm. Let's see if restarting the system will fix it.
I did a shutdown and when it came back up; same problem. Ok, i really didn't think it would magically correct itself; this is Linux after all. Windows? Well sometimes you can fix things by turning them off and on. Next, another shutdown and I rebooted with the CD instead of the Hard drive and here I sit entering this help question in.
I am guessing that a file or setting got changed in /etc/someplace and I am not even sure of that. Can anyone point me in the correct direction? I am assuming that there is a setting which is correct in the CD version that is not not correct in the HD version and somehow i need to find what it is and synchronize it with the CD version.
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Dec 6, 2010
I am building a 10.04.1LTS server. I am putting the /root filesystem into a Software RAID1 partition. I want to keeo my /boot partition outside of RAID.Is there a way to have a boot partition on both sda and sdb so if one drive fails the second boot partition will work away - or should this be kept in with RAID also.
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May 3, 2010
I was upgrading our lab's dhcp server to Lucid and it totally died. I have it running on a Debian recovery cd right now. I ran into a bug in gtk which I seem to have fixed, but now I have more serious errors. If I boot without a CD, I get dumped into a busybox shell after the machine fails to boot. From the live CD, I tried dist-upgrading again and it dies trying to build and install rsyslog with a broken pipe error. I am at a loss as to what to do from here short of reinstalling (which is the last option as this server has a lot of custom configs on it)
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May 8, 2011
I downloaded ubuntu 10.10 iso, made CD, installed as dual-boot with win Vista home premium and used it for a week to access the 'net and email. Yesterday, while deleting an email, the "d" key stuck down while I was issuing <CTRL>D and the cursor froze. I then rebooted by using the reset button and saw many lines of text including "kernel panic". so I reset and booted into 'repair boot'. Again, many lines of text which stop at the same place if I try this twice.
I assume I've fried my ubuntu install and would like to fix or re-install it. When I installed it, I let the [wubi?] installer make decisions except choice of drive because it picked the external, USB drive. It appears to've used about 80 G on internal drive D: I could boot from the distro CD and see if it will re-install but I'm concerned that I may not fix my problem or that it may mess up my windows installation.
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May 27, 2011
My old computer started randomly rebooting so I went out yesterday and bought a new one. It's a standard Intel 64 architecture with 2gb ram etc.The old computer was running Lenny however I'm happy to upgrade, so I just went to the main Debian download site and downloaded:debian-6.0.1a-ia64.netinst.iso (this didn't work, apparently ia64 is for itanium and my machine is definitely not that), so I downloaded: debian-6.0.1a-amd64-netinst.iso, burnt the CD and ran the install. First time through I had a power failure.
Second time through (a complete fresh start - new partition and everything) it went all the way through to completion and reboot.Clicked 'Continue' to reboot and the machine reset as it would normally and the Grub loader started okay, prompted for the "Debian amd64" standard boot image, selected that and the first 6 lines appeared normal, then the messages wizzed by so fast that only superman could read them. Then they stop - here is some of the content...
[3.816673] Kernel panic - not syncing: Attempted to killl init!
Call trace:
get_empty_filp
panic
[code].....
Running it again I get similar stack stuff but it's a different place: [3.541816], [3.427502] And sometimes if I wait for a minute or two it will continue on further but appear to crash again. Hardware details (everything is onboard - no added cards):
G41M-S3
Intel G41 + ICH7 chipsets
CPU: LGA 775 for Intel Core 2 Extreme
[code]......
Is the amd64 the wrong image? Should I try i386? Is it a blip and I should just rerun the entire install again?
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Mar 6, 2010
Arpwatch is failing to start at boot time. I got this message:
arpwatch: bad interface eth0: eth0: no ipv4 address assigned
Once I login into my account, I can (as root) run the arpwatch demon, but it is suppose to run at boot time. After I installed aprwatch, it was working correctly. I do not have an idea of what happens or since when the problem start to happen. I just realize, after a while , that arpwatch was not running. I am running Fedora 12 - 2.6.32.9-67.fc12
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Jan 18, 2010
I decided last night it was finally time I look at Linux. I've wanted to for a very long time, but was not keen on the learning curve. Anyway, I did a dual-boot with XP, which had it's own issues, but which I figured out with some info. Now my problem is I can't access the internet from within Ubuntu. It's finding the hardware, I think.
Below is data gained from lspci, nm-tool, ifconfig, and lshw.
jason@jason-desktop:~$ lspci
00:00.0 Host bridge: Intel Corporation E7505 Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation E7505/E7205 PCI-to-AGP Bridge (rev 03)
00:02.0 PCI bridge: Intel Corporation E7505 Hub Interface B PCI-to-PCI Bridge (rev 03)
[Code].....
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Apr 19, 2010
I have an AWL6075 Golden N Wireless Mini USB Adapter from Airlink, and I'm running Ubuntu 9.10. (Kernel 2.6.31-20-generic) I've learned that in order to get this to work, I needed to download this firmware update: http://launchpadlibrarian.net/373876...8192sfw.bin.gz and copy it into /lib/firmware.I have also needed to download and install the drivers at http://www.filestube.com/f76673d157e2ab6203ea/go.htmlI've even Edited my connection to make it available to all users.This is great, and it gets my internet running. Unfortunately, I seem to have to make the module, and insmod the module 8712u.ko everytime I boot up. I know I had it set in 9.04 to be able to do this on boot up, but in 9.04 I didn't have to re-make it everytime.
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Jul 13, 2010
I seem to have a problem connecting to the internet with Ubuntu after dual-booting my new laptop with 10.04. I have a DW1501 Wireless-N WLAN Half-Mini Card in my new laptop, and I'm not sure what to do to fix this. The other computers I have running Ubuntu are much older and had everything run correctly right after the install.
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Mar 11, 2011
Chipset: Ethernet controller: Intel Corporation 82566DC Gigabit Network Connection (rev 02)
Router: Thomson TG585v7 Version: Linux Mint 10 Julia, clean install, all updates installed (Ubuntu 10.10)
Connected through ADSL. I have a very strange problem, sometimes, when i turn my computer on, it doesn't always connects to internet, this happens very randomly. Sometimes it can take up to 4 reboots to get internet up and running, sometimes its working from the first boot, i figured it has something to do with dhcp.
That's very annoying. The interesting thing is that this didn't happen before. It's just, one day this problem appeared so probably something to do with updates. I was unable to reproduce this problem on my Linux Mint 10 netbook, on Windows 7 on same PC, or other PCs in my apartment. I just reinstalled Mint yesterday, just to check if this problem will go away, but unfortunately, problem still persists.
[Code]...
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Aug 15, 2011
connect to the Internet through my newly bought USB adapter, and it works just fine now... But - after boot I can't connect to the Internet before i open a terminal and type
either: sudo modprobe ndiswrapper - from the ndiswrapper-1.56 folder
or: sudo iwlist wlan0 scan - from the root
Both commands are some I learned during installation of the USB device - I don't know if any other commands would work;
It would be nice if my device connected automatically - is this possible?
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Jun 13, 2011
I am completely new to ubuntu, got fed up with windows, so thinking of switching to ubuntu. But, I have a problem, I don't know how to connect to internet in ubuntu. I have a cable broadband connection, and I have to put in my user id and password which I got from my isp before each internet session on the login page. how can I connect to the internet. I am using ubuntu live boot from my pen drive.
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Oct 16, 2010
I can connect to the internet on Win7 without issue. Boot to Ubuntu 10.10 amd64 & it works sometimes & sometimes it doesn't.
I've attached 4 screen photos; 2 when internet is working (Working ifcomfig & Working route -n) & 2 when internet is NOT-working (NonWorking ifcomfig & NonWorking route -n).
The 1st I notice when looking @ working ifconfig is line 3 under eth0, inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0, is missing on NonWorking ifconfig.
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Sep 28, 2009
I recently installed Fedora 11 onto my computer on top of Linux Mint. Originally I was using Mint's bootloader, but I'm ditching Mint soon for another OS so I'm migrating to Fedora's bootloader to make the transition easier. For a while I couldn't get Mint to appear on Fedora's Grub menu, but during that time I could still access the internet on Fedora. However, once I successfully added Mint to Fedora's grub menu, the wireless suddenly stopped working on Fedora (though it still works on Mint.) I can connect to the network on Fedora but it gives me the awesome "host does not exist" message when I try to ping anything. Any insight as to why this might have happened after I managed to successfully boot Mint from the Fedora boot menu?
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Oct 12, 2010
I recently created a bootable pen drive using unetbootin of Ubuntu 10-10 release. It was failing with error message similar to 'specify the init' then formatted the pendrive/usb and now it was giving, SYSLINUX 3.63 Debian 2008-07-15 EBIOS CopyRight ..... Could not find kernal image. boot: when you press enter it again goes to Could not find kernal image. boot: linux
I believe this is due to USB creator. Let me try with creating bootable USB from some windows machine.
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Mar 14, 2010
i am very frustrated with my ubuntu system which is meant as a workstation-server. It seems to loose track of its drives every time I add diskspace.Now every other boot (it seems) it says (among other things: VFS: can't find ext3 filesystem on dev sdd5) drops me to a maintenance-shell and asks for the root password (whats that in ubuntu, the user password does not word) - so I can't log in. Ctrl-D sometimes works and it boots through or boots after warmstart by Ctrl-Alt-Del.
[edit: found out that with alt-f3 i can access a normal shell - good - but how do I start up the GUI in ubuntu? - startx does not work] I have manually fsck'd all ext2/3 partitions form a ubuntu booted from CD - still it says something about not being able to mount /dev/sdd5.Since every now and then I have so much trouble bringing up the machine I am quite unhappy. I suspect the constant updates are prone to break things - is that so?And how do I resolve this issue. Unfortunately there is nothing about the errors in /var/log/messages or dmesg so it is no use posting it here. Where are such errors recorded? [edit: I changed the mappings in fstab to resolve the issue - still it is awkward that drives get messed up so easily. Are UUIDs in fstab less error prone when moving drives around, or do they have other issues?]
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Jun 5, 2010
after someone accidentally kicked the power cord for a server out of the wall,the server fails to boot. upon reconnecting.this is the output i get:
Code:
fsck from util-linux-ng 2.6
/dev/sda5 was not cleanly unmounted, check forced.
filesystem checks are in progress (ESC to cancel)[code].....
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Jul 28, 2010
I have a laptop with Windows 7 and Ubuntu installed in seperate partitions. When I boot up the computer I get options to boot either in windows 7 or Ubuntu. Yesterday I updated Ubuntu to 10.4 version. I have been having issues with grub rescue, which was rectified an hour ago. Now I can boot up into windows 7, but when I try to boot into Ubuntu, I get a GRUB screen as below code...
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Aug 30, 2010
I installed Ubuntu netbook version on my HP netbook Mini 110 with Windows 7. After installing Ubuntu the first boot up failed. It hangs with a black screen with a flashing text-mode cursor. After several attempts (just rebooting) it worked. However, about 95% of the time the machine fails to boot - after 3-4 seconds, and without showing anything on the screen (text or graphical), it hangs with a black screen with a flashing text-mode cursor. Pressing Ctrl-Alt-F7 (or any other keys) has no effect.
I also tried booting in recovery mode from the Grub menu I get at start-up. It failed too. The last few lines I get in recovery mode looks like : ata1: SATA max UDMA/133 abar m1024@0xfe(some numbers)
ata2: DUMMY
ata3: SATA max UDMA/133 abar m1024@0xfe(some numbers)
ata4: DUMMY
After this it get stuck there forever. Can someone help me out on this ? I'm a novice in this area.
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Nov 5, 2010
I've installed burg with no major hassle. Started up the computer to see a pretty new boot menu, but Ubuntu fails to boot. The screen immediately turns black and the computer reboots. Fortunately, I have grub backed up on a usb flash drive so I can boot.
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Mar 14, 2011
This morning my system has a problem which is beyond my ability to understand: Firstly, the system does not boot automatically, after a fixed delay, from the grub menu. I have to press 'enter' against a chosen boot option. Secondly boot then fails. A lot of messages flash past the screen (which appear to be a trace) and end showing the following (partial example):
Code:
Killed
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have requested /sbin/init.
No init found. Try passing init= bootarg.
at this stage I can move around the directory structure using 'cd', but no other commands seem to work.I tried the recovery boot option - same result. Is this a symptom that my boot drive has failed? No, that can't be true, or I would not be able to see the grub menu, would I? I can't find a similar situation after a Google search; what recovery procedure I should use? Correction: I must have had brain fade: I see there is quite a long thread on this very topic on the forum. I'm going to examine that first before I ask for more help.
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Apr 5, 2011
this problem began some time ago and I can't quite remember how or why. This computer is somewhat new as my former HDD died and I bought some other stuff along the new HDD and it wasn't until some time later that I noticed the problems which never happened before, I had been using Ubuntu 10.10 both before and after I got the new HDD.For some reason, Ubuntu began giving error messages when I tried to run it, most often it would give them over and over unless I decided to give up and try again several minutes later. The error message was always a lot of weird things from which the only thing I could make out was
"Kernel panich - Not Synching: VF:S unable to mount root fs on unknown-block 0,0" (or something like that)I tried using other kernels but it'd give the same error message, I sometimes even used WinXP, sometimes it'd boot correctly, others it'd reboot.This became really annoying and tried with a clean install, the first few times I logged in seemed to be working fine but this morning I'm having a problem that seems even worse.When I try the now only kernel I have available it just remains unmoving from a blinking cursor screen. If I try the recovery mode I get the "Kernel panic..." errror message and when I try with Memory Test
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Aug 8, 2009
I have a server that NFS exports the /home directory out to other computers. On the desktop they all work great, but on a wireless laptop, this is where the problem occurs. The wireless enables after the person logs in, rendering the NFS export /home useless on the laptops.Is there anyway to have the wireless enable correctly on the boot so that NFS can mount properly at boot also?I'm using Fedora 11 (32bit) with a wireless router that has a security of WPA-PSK [TKIP] + WPA2-PSK [AES]. I could switch to some of the older versions if necessary to get this working.
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Mar 4, 2010
New kernel Fails to boot. video driver is current and I tried reinstall . The .19 Kernel works fine
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May 1, 2010
Installed v9 a couple of weeks back and have been causally mucking about with it since. I managed to get XP and ubuntu running as a dual boot system (which was an achievement ).
Anyway, i've upgraded to 10.04 - and already loving it. However... my XP o/s no longer boots. It use to prior to the upgrade. Now, when the XP o/s is selected from GRUB2, I just get a series of bleeps and a flashing _.
Now, I am a complete novice. I actually have no idea where to even begin trouble shooting GRUB2 (and i'm assuming its a problem with GRUB).
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May 5, 2010
I created a Ubuntu live usb，it works fine on my notebook, but boots fail on my desktop pc. I found that /dev/sdb1 is always mounted to /cdrom when booting, but usb key is /dev/sdc on my desktop pc, it causes sequence booting process which depend upon files under /cdrom fails.
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May 20, 2010
I have Vista on my Samsung R60 + and have installed Ubuntu. On start up I get the dual boot option, select Ubuntu which then goes to completeing install etc, get some HD activity then nothing.
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May 26, 2010
I was able to successfully create a small, fixed-size "ram disk" just for kicks, via:
Code:
sudo mkfs -t ext3 -q /dev/ram1 65536
sudo mkdir -p /media/ramdisk
sudo mount /dev/ram1 /media/ramdisk -o defaults,rw
However, I wanted it to auto-boot, so I added the line to fstab:
Code:
/dev/ram1 /media/ramdisk ext3 defaults 0 0
This, however, rendered Ubuntu unbootable and I had to repair the fstab by removing the line via a Live CD. I had enough patience to boot through the CD an extra time to see if just deleting "ext3" would work, but it did not. What would cause this to make the system unbootable and how I could make it work?
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Jun 10, 2010
Dual boot Windows XP SP3 & Ubuntu 9.10 on a single hdd, w/2 partitions. Booted to Ubuntu and upgraded online. XP boots fine, but Ubuntu, not so much; a msg about /dev not found, followed by a shell login prompt. I suspect a grub problem, but haven't been able to find a definitive answer. Since I can at least boot XP, I do not want to do anything that would screw that up and leave me with no bootable OS. I did the "upgrade" shortly after 10.04 was released. Is there a way to reliably fix this w/o possibly screwing up my ability to boot XP, the only OS I can boot? I have no Ubuntu 10.04 disk, as I used their upgrade online option.
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Jul 8, 2010
I'm having a lot of trouble with a PC that has been running Ubuntu for ages, since about 8.04 I think. I've run the distro upgrade a few times and it was running 10.04, but for some reason won't boot anymore. So I'm trying to do a fresh reinstall but I can't get the LiveCD to boot. I'm trying to install 10.04 AMD64 desktop.If I leave the CD to boot, I get to a Busybox screen showing the error "No init found. Try passing init= bootarg." and an (initramfs) prompt. This is all displayed at 1280x1024 res - the native image of the screen I'm using.It's an NVidia chipset - an older one. So I tried hitting a key during boot and putting the nomodeset option on. I get the same error, but at a lower resolution
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