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  • Is this a graphics card failure?

    - by Alexander Lozada
    I own an older 32-bit Dell XPS 410 that I intended to use for gaming. Currently, I have a ATI Radeon 4000 series card installed, along with a Core 2 Duo and Ubuntu 12.10. I'm fairly certain that my problem is a GPU failure - but before I spend money on a new one, I want to make sure other components aren't the problem/if it would be cheaper just to buy a new PC. Here are my symptoms: Computer power button remains orange (usually green when successfully started.) A fan gets increasingly faster until powered off. Monitor remains black when started, receiving no signal. When powered on, the computer will power itself off near instantly, and then turn on again. If startup is successful, sometimes the screen will become jittered and unusable unless restarted. Is this just a GPU failure, or something more extensive like the motherboard?

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  • Probability of failure with larger number of network elements

    - by MikeKulls
    I'm having a discussion with a work colleague. I'm saying that a network with 100 elements will have pretty much 10 times as many failures as a network with 10 elements, ie a tech will need to replace faulty hardware 10 times more often. He suggests that the failure rate doesn't go up in a linear fashion and the failure rate will be significantly less than 10x, in fact only slightly more failures. This is not the probability of an outage etc, we are just talking in relation to the amount of parts that a tech would need to swap out in a given time frame.

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  • Hyper-V Network Boot Legacy Network

    - by Carl
    Hi, I am planning out a Hyper-V R2 Cluster environment. I was wondering if I went to the effort of deploying one of the few methods to network boot from iSCSI inside the guests, whether the legacy network adapter would switch to a synthetic after boot, or whether the connection could be handed to a synthetic network after boot? This is obviously for performance reasons. MS suggests that some emulated devices are capable of switching to synthetic with integration services after boot, but doesn't specifically list all which are capable.

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  • S.M.A.R.T. Hard drive failure test?

    - by mandroid
    I'm working on my mom's computer and she freaked because it told her "There was an imminent hard drive failure about to occurr." I did some digging and found it was related to the S.M.A.R.T. technology in the hard drive. The message appears every time you boot, but it will still let you boot into Windows and every thing seems fine. How serious are these warning messages? Do we really need to immediately replace the hard drive?

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  • Cisco login on-failure using syslog doesn't show username on failure?

    - by Jim
    interesting issue I am running into. I am trying to get syslog rmeote logging working with a Cisco switch. i have it working and logging for both on-success and on-failure. However when it is a failed login attempt it does not show the user name that tried to log in in the logs? Here is what the log looks like after a failed login: %SEC_LOGIN-4-LOGIN_FAILED: Login failed [user: ] [Source: 10.0. 0.6] [localport: 23] [Reason: Login Authentication Failed] Here is what I ahve in the sh run: login block-for 60 attempts 3 within 60 login delay 1 login on-failure log login on-success log archive log config logging enable notify syslog contenttype plaintext logging trap notifications logging facility local4 logging 10.0.0.8 aaa new-model aaa authentication login default local group tacacs+ aaa authorization config-commands aaa authorization exec default local group tacacs+

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  • Restoring from .wim image without access to Windows DVD

    - by Steven H
    I'm attempting to fix a friend's computer. It will not boot to anything Windows-related (see my earlier question for more information). I was able to boot into Peppermint OS to back up her files and grab the HP OEM image (.wim) so that I can restore from it (OEM W7 key, so I can't just do a W7 reinstall). However, I cannot figure out what the heck I need to do to be able to actually restore her computer to that image. I tried using these instructions on TechNet to create a WinPE flash drive, but those instructions don't actually make the flash drive bootable, so that option didn't work (the partition is labeled as active, but when trying to boot from it I get the message "Remove disks or other media. Press any key to restart."). All of the other instructions that I found require that I get into WinRE or boot from an install disk, which I cannot do. Any suggestions as to how I can apply this .wim boot image?

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  • Is there a way to change the default sound volume on startup in windows?

    - by Logan Dam
    I've got a Creative X-Fi Titanium running on Windows 8, which works great, but the drivers have this weird quirk where it sets my headphones volume at 30% every time I boot if I have fast boot enabled. If I disable fast boot then it remembers my previous volume but I don't want to disable fast boot any more (I have an SSD, I want to use it :P) I've asked a similar question here before but as you can see the only "solution" was to disable fast boot, which I don't want to do anymore. Is there a command line tool that will let me set my volume or something similar that I can chuck in a batch file and run on startup, or anything else similar?

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  • rc.local is not executed on bootup ubuntu

    - by Alexander
    Im on Ubuntu 10.04. I want to execute script on system boot. I added it to rc.local. If I execute rc.local manually it works fine. If I boot system in recovery mode(2nd string in boot menu) it also works fine. But if I boot normally it is not executed. However i added sleep 20 to my script and there is a pause at the end of boot process, but nothing more is executed. Thanks I think, it soesnt depend on contents of the script but anyway #!/bin/sh -e sleep 20 sudo service ssh start su -c 'service pgsql start' postgres sudo svnserve -d su -c 'hamachi start' root su -c 'hamachi login' root exit 0

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  • UPS vs Solar Power in case of power failure for a server [on hold]

    - by Zen 8000k
    I am looking for a low power, low end pc able to run 24/7 without overheating and a way to support it in case of power failure. Power failures can be up to 72 hours. The pc dosen't need a monitor or keyboard. A modem must also be protected in case of power failure. When i say low end, i don't mean crap. The cpu needs to be x86 and have at least 1k cpu in this chart: http://www.cpubenchmark.net/index.php What's the best way to do this? EDIT: more info. I need to run a home server. The server will perform light tasks mainly. A x86 cpu sadly is the only route for my use. I want to be able to run the server and the router/modem in case of power failure. Now, regarding how long the power will fail: 1) 1 hours is OK for most situations. (say 90%) 2) 3 hours is OK (say 98%) 3) 6 hours is more thank OK. (say 99.5%) 4) On extreme cases the power might fail days. I believe this is very unlikely to happen. More is great but, really, how ofter power will fail more than 3 hours? I believe once every year at best. Well, that's too rare to care about. Given the above, I am looking for a cost effective way to archive 1-3 hour power or 6 hour if possible. Solutions: You guys give me great ideas. 1) Power generator: no good as power will fail for 10 seconds before returning. Also I read online, "clean" power generators cost 1.5k+, so it's out of budged. Non clean generator might damage electronics, right? 2) Solar power: i don't know for sure about this. Sounds like a great idea, too good to be true, honestly. For only 200$ i get 100+w? What are the drawbacks here? 3) UPS: This seems to be the best. The only problem is the cost. Cost < 200$ = great 400$ = budged limit

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  • linux kernel option to set sata disk to udma/133 1.5gbps

    - by John Doe
    hi, i try to speed up boot time of my linux server box which uses removable HDD rack's the current boot time is around 2 min's but if i connect the hdd's directly to the mainboard its about 2 sec's the problem is that ahci's kernel implementation causes a timeout of around 30 seconds for each disk during boot which originates from the hdd-rack after the timeout the kernel prints that the disk is limited with speed to 1.5gbps and udma/133 is used so the question i have is: how can i set this in grub as a boot option so the kernel doesnt have to wait for a timeout and just hardcoded limits the speed of the disks? i read about a few options like pci=nomsi or such, which dont work thats why im asking for limiting precisely the disks during boot thx

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  • How to Disable secondary drive from booting upon restart - Windows

    - by DevCompany
    I had a Windows 2003 Hard Drive on my server and it went bad so I installed a new clean hard drive and installed Windows 2008 R2 on the new clean drive. I moved the old 2003 drive to be used only for general storage on the same computer. It usually boots into Windows 2008 upon a restart, but just sometimes it starts trying to boot the old 2003 drive and causes boot issues(NTDLR Bootloader, and other errors), even though the order of boot preference is set to boot 2008, and NOT 2003. I need to know how to remove any old code that keeps this old drive as a bootable drive. I still want to use it as a secondary drive just dont want to have any boot code on it. hopefully my situation is clear for everyone to get a good response. Thank you...

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  • Booting ubuntu from usb hdd: GRUB menu not shown

    - by emanemos
    Hello, could anyone help me to boot ubuntu-9.04 from usb hard disk? This disk contains /boot primary partition. During ubuntu installation I used "Advanced" button and asked to install GRUB to the /boot partition. Later I checked whether GRUB files are really present in this partition. They are. However, I get stuck while trying to boot. The boot menu ("ubuntu generic version", "ubuntu recovery mode", etc...) is not shown. Instead I am thrown to GRUB minimal bash-like version. I feel at a loss and have no idea why I am pointed to this minimal version. Can anybody prompt me what to do?

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  • How to accelerate and notice failure of potentially faulty disks

    - by rainier
    Hey, I got a bunch of 'used' servers, whose disks should have been checked, but they have been shipped around the county in crate which can't help. I just had one disk go bad (despite being mirrored, currently trying to get more details). The server was fine for about a week before everything ground to a halt this afternoon. Is there any way 'accelerate' the failure of faulty disks, with the goal of bringing the disk to failure before we launch production services? Would doing lots of I/O with 'dd' or 'iozone' be a good way to test these potentially faulty disks? Any other tests/tools that would help recognized failures before they happen?

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  • How to install Ubuntu Server 12.04 in a Virtualbox VM with UEFI boot enabled

    - by Deleted
    I have a server which I'd like to install Ubuntu 12.04 on, but I've had some problems and thought it would be nice to get things working in a Virtualbox VM with the same features as the server. I want to enable UEFI-boot in the VM. I "Enable EFI" in the System / Motherboard settings for the VM. I make sure the Ubuntu Server 12.04 ISO is inserted when I boot. And yet I get stuck in the UEFI boot console when I start the VM. How do I install Ubuntu Server 12.04 in a UEFI boot-enabled Virtualbox machine?

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  • Transfer hard-drive with windows XP to another computer. On booting, asks to activate xp

    - by Jesse
    I had an old computer sitting around that I have not been able to boot successfully. I moved the hard drive and placed it in my newer computer. If I boot linux, I can mount the XP hard-drive and access the files. If I try to boot from the XP hard-drive, it will boot, but it asks me to activate windows before proceeding. If I continue, I get the "activation window" with two images/icons(?) which are failing to load. Nothing else happens. The version of windows came with the original computer the hard-drive came from, so I'm not sure if I'm married to the broken computer (I hope not!). Is there anything I can do in order to boot into XP from the new computer?

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  • Vnc viewer authentication failure

    - by Twosingleton
    I recently backed up my data and I had moved the vnc viewer executable from my PC to my portable hard disk. Realizing that I no longer had vnc, I got the latest one, but all of a sudden I could not connect to my server anymore and got authentification failure. So I moved the VNC exectuable back from my portable HD to my local HD. And I am still getting Authentification failure errors. I had a certain setup and I don't want to re-create it, do you know how I can recover or what happened to get auth failures all of a sudden ? I checked and the vncserver process is running fine. Old VNC viewer: vnc-4_1_3-x86_win32_viewer.exe New one:

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  • Lost Linux root password - Recovery mode and init=/bin/bash fail

    - by Albeit
    I lost/forgot the root password to a server sitting beside me and am trying to reset it. I would rather not have to wipe and re-install or use a Live CD (server is running Ubuntu Server 12.04). What I've tried so far... 1) Boot into "Recovery mode" from Grub2 boot menu then drop into root shell prompt. I am prompted to "Give root password for maintenance". No-go. 2) Change the boot parameters for the main boot option to include "rw" and "init=/bin/bash". When I then boot with Ctrl-X, the screen goes black, and nothing happens (I've waited five minutes). init=/bin/sh and init=/bin/static-sh both do the same thing, while init=/sbin/init boots as normal. Is there anything else I can try to reset the root password? Thank you!

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  • ubuntu boots into gnu grub 1.99

    - by greenish
    I've tried set root=(hd0,2) chainloader +1 boot set root=(hd0,2) linux /boot/vmlinuz... and the loopback (loop0) /ubuntu/disks/root.disk command etc. When I try the boot command it tells me there's no kernel and when I boot Win7 (it's a dual boot) the root.disk says 0kb. nothing boots from the live usb I've made and I've tried to use programs to mount the partitions to no effect - they only show me what's on my windows file drives. I've got some really important docs on the linux harddrive I need to get to. any ideas?

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  • How to verify /boot partition on encrypted LVM setup

    - by ml43
    Isn't unencrypted /boot partition a weakness for encrypted LVM setup? Attacker may install a malware to /boot partition so that it may sniff encryption password next time system boots. It may also be done by a malware installed to Windows on dual-boot system without any physical access. Am I missing some protection scheme or at least I may verify that /boot contents didn't change since last system shutdown?

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  • "Missing operating system" even when booting from Linux Live CD: hardware problem?

    - by contextfree
    My parents' computer stopped booting from the HDD into Windows: it's showing a "Missing operating system" error. I tried burning a Live CD of the latest Ubuntu and booting from that, but it's giving me the same error. I know the Live CD works (I can boot my laptop from it). It does seem to be actually trying to boot from the CD (when I boot with the CD in it takes longer to get to the error message than if I boot with the CD out, or if I change the BIOS boot order to skip the CD drive; and the CD drive light is active during that time). Might this be a hardware problem? Are there common problems I can look for that might cause this?

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  • Why does apt-get fail to resolve the mirror?

    - by Jake Kubisiak
    I know this has been covered before, but I can't seem to resolve my issue. Here is my output. jake@KUBIE-SERVER:~$ sudo apt-get update Err http://us.archive.ubuntu.com precise InRelease Err http://us.archive.ubuntu.com precise-updates InRelease Err http://us.archive.ubuntu.com precise-backports InRelease Err http://security.ubuntu.com precise-security InRelease Err http://archive.canonical.com precise InRelease Err http://ppa.launchpad.net precise InRelease Err http://archive.canonical.com precise Release.gpg Temporary failure resolving 'archive.canonical.com' Err http://ppa.launchpad.net precise Release.gpg Temporary failure resolving 'ppa.launchpad.net' Err http://security.ubuntu.com precise-security Release.gpg Temporary failure resolving 'security.ubuntu.com' Err http://us.archive.ubuntu.com precise Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' Err http://us.archive.ubuntu.com precise-updates Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' Err http://us.archive.ubuntu.com precise-backports Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' Reading package lists... Done W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise- updates/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise- backports/InRelease W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/InRelease W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/InRelease W: Failed to fetch http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/precise/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise- updates/Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise- backports/Release.gpg Temporary failure resolving 'us.archive.ubuntu.com' W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise- security/Release.gpg Temporary failure resolving 'security.ubuntu.com' W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/Release.gpg Temporary failure resolving 'archive.canonical.com' W: Failed to fetch http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/precise/Release.gpg Temporary failure resolving 'ppa.launchpad.net' W: Some index files failed to download. They have been ignored, or old ones used instead. Any help is greatly appreciated.

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  • Error when restarting computer after successful Ubuntu 12.10 installation

    - by Amy
    I was having a lot of sudden issues with my computer (slow on start up progressing quickly to not being able to start ...even in safe mode). Worked on several different things. Finally tried formatting hd and then installing Windows 7. Got errors so I said screw it and tried Ubuntu. Downloaded it (via my laptop), burned on DVD, and tried a disc boot on my desktop. Went through the whole installation, said it was successful and progressed to the restart. It stopped at a screen with an error (0x1b5a6) from 'hd0' I don't remember the error code verbatim. Now when I try restarting it I get to the initial page, hit 'enter' on Ubuntu..and it just sits at a blank screen. Eventually it runs through this screen with a bunch of code and then just sits there. I can't type anything and enter does nothing. Some things on the screen are: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0) I don't know what else to do... Restarting does not work. I have been working on fixing my computer for almost 2 days straight...

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  • Windows Defender Update KB915597 (Definition 1.135.415.0)? Killed My Live Discs

    - by user88311
    Here's my problem, for those willing to read for about 2 minutes here's the entire story, http://answers.microsoft.com/en-us/windows/forum/windows_vista-windows_update/bsod-after-windows-defender-update-kb915597/a4b5fca3-0274-47b4-97c4-61b34c4c4599, for those who want the short version here's what happened. After windows update automatically updated windows defender to kb915597, my computer starting getting bsods on shut down and start up and started experiencing problems withe the usb ports. So I decided to go to the microsoft answers site for help, I know that was probably my first mistake, so I followed their advice and they turned my computer into a large paper weight. Luckily I make physical backups of my c drive every few months and I have one from back in july, so I figured I'd boot up a ubuntu live disc, copy all my files from the past 2 months to a external drive and just copy the backup back to the c drive, that's where I ran into this problem. When I put in either a ubuntu or kubuntu disc, everything goes well, until it finishes the loading bar then when the OS would presumably start up, the computer resets, I've tried with ubuntu, kubuntu and gparted, and only gparted is able to get to the point where it starts up, but even then when I try to access the internet from it, the computer resets, and when I tried to copy the entire C drive partition to a blank external I wasn't able to. So I figured somehow maybe the C drive had something to do with it, so I unplugged the C drive so my computer was just a 2.8 ghz processor and 2 gigs of ram, should have had no problem starting a live disc but the problem still continues. After doing some googling around I've found whenever windows gets a update with the title KB915597 it's pretty much the kill switch for windows, I've tried contacting microsoft tech support and even managed to directly contact a software engineer but as soon as I mention KB915597 they all just blew me off. I hope anybody who reads this has any idea how to fix this, I'm going to attempt to install ubuntu or kubuntu to a external drive using the same computer and see what happens now.

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