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• Debian Harddrive Fdisk - Same ID's and changing letters

  - by James Willson

  I am trying to create and install a debain NAS and ive been having a hard time because I am new to all of this. I used ntfs-3g in order to automount my 4 NTFS drives. I also have a partitioned harddrive which is for the OS. When I was working on it and I ran this command I got this: fdisk -l /dev/sdae1 fdisk -l | grep NTFS /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 The weird thing is, all of the NTFS harddrives listed had an ID of 7. The next time I boot up my machine, I get an error about mounting /dev/sda1 and I run this command, and get the following results: fdisk -l | grep NTFS /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 I havent plugged in any drives, so whats going on? How to I make sure that my drives are mounted with the same sdXX name every time, and is the reason for this because they dont have unique ID numbers, if so, how do I solve this?

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• diagnose "corrupt file" problems

  - by Matthew

  My computer has been crashing the last couple weeks pretty regularly (at least once a day). A lot of times things I do will display a little notification in the bottom right saying something about a corrupt file. (I'm on Windows XP Pro Service Pack 3). When the computer does crash I get the "blue screen of death" usually. Some of the notifications also advise running the chkdsk utility. I cannot get it to successfully run. Using the command prompt (or even the "tools" menu after right clicking the drive and choosing properties), it will not run the utility (it says "do you want to schedule it to run next boot time" or whatever, which I confirm). The problem is that most of the time after restarting, it doesn't run at all. The few times it does run, it has an error (I can't remember the error right now, it at least says it's ntfs and such) and says disk checking will end. How can I get it to successfully run?

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• Java application crashes my computer. How do I troubleshoot?

  - by Oded

  I am using NetBeans 4.1 for my university course (this is an older version, but is the required version for the course - I can't use a newer version). Whenever I use it for longer than several minutes, my computer crashes - it either reboots or I need to reset it. I have tried running with all startup items disabled (to rule out other applications interfering with the app), but it did no good. I have used Sysinternals procmon logging and the logs are corrupt - the only way I was able to get a good log was by enabling boot logging. However these are huge and I don't know what to look for. I am using Windows XP SP3, fully patched up and this is the only application that I have any kind of problem with. Can anyone suggest troubleshooting steps that will help me pinpoint the cause of these crashes and fix them?

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• How to perform diagnostics (stress test) on HP Smartarray Controller

  - by pepoluan

  At my office, we have a server that we suspect its RAID controller (HP Smartarray) is failing. A cold boot, however, does not indicate anything. Can anyone recommend me a method to stress-test the controller? Symptoms that makes me suspect a failing controller: Disk access getting slower, queue getting longer Running dmesg on the XenServer console I see many messages similar to this one: end_request: I/O error, dev tda, sector 253655584 (the sector number is never the same) When we move the VM to another physical host, we no longer see the above message Running idle (without any running VM), the dmesg no longer emit the above message A search on Google indicated that the above message is most commonly associated with a failing SmartArray controller. How can I be sure that the SmartArray controller is failing?

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• CHKDSK always runs on Hyper-V image

  - by Dave

  I am having a problem with one of my VM's. Every time it boots, CHKDSK runs and finds no errors, but it goes into an endless loop (CHKDSK/Reboot/CHKDSK). The only way I can get Windows to boot is by cancelling the chkdsk. Is there any way I can tell windows to not do it? What do you guys suggest? Can't redo server. I guess it's also fair to say I get the following errors in Event Viewer "The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume \Device\HarddiskVolume2" "The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume C:\" I only have 1 VHD attached, not sure what Volume 2 is. Thanks!

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• Why does DBAN crash on my HDDs?

  - by John Watson

  I am using DBAN to erase HDD. DBAN is loaded from a CD and BIOS Boot order has been set to favour CD drive. On starting laptop, system boots from CD and DBAN interface can be seen. DBAN detects two storage devices, HDD and the SD Card. My HDD IS 320GB but DBAN says 298GB. It erases the SD card but when i try to erase HDD, it gives following error. DBAN finished with non-fatal errors. *ERROR /dev/sdb (process crash) *ERROR /dev/sda (process crash)

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• Startup script on Ubuntu 12.04 not getting executed. Dependencies / load order.

  - by user861181

  I want to create a simple startup script on Ubuntu 12.04: myscript.sh #!/bin/sh sudo /etc/init.d/nginx start cd ~/app/current god -c config/resque.god sudo /etc/init.d/redis-server start echo "SCRIPT RUN" I have it at /etc/init.d/myscript.sh When I do sudo chkconfig --level 2345 myscript.sh I get myscript.sh 2345 When I do sudo chkconfig --add myscript.sh I get insserv: warning: script 'K01myscript.sh' missing LSB tags and overrides insserv: warning: script 'myscript.sh' missing LSB tags and overrides The script you are attempting to invoke has been converted to an Upstart job, but lsb-header is not supported for Upstart jobs. insserv: warning: script 'dbus' missing LSB tags and overrides .... myscript.sh 0:off 1:off 2:on 3:on 4:on 5:on 6:off ** EDIT:: I checked the boot.log and it turns out that the script is run, but the problem is that god is not loaded yet when the script is executed. Apparently I want to load this script as the very last thing at startup (or somehow check if god is loaded and then start the script).

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• Is there way to scan a registry hive on an attached USB drive?

  - by johnny

  I have a hard drive with a virus that I removed from a PC. I can scan the file system of it as an attached USB drive. But how do I scan the registry of that USB drive since it is not booted up like a regular hard drive? Thank you EDIT: To clarify, the USB drive was a regular hard drive in a PC that got infected. I cannot boot into the OS to run a scan. I removed it to attach it to a working PC so I can scan its file system. But, I cannot scan the registry of that hard drive because that drive is not booted up. The hard drive was a regular XP hard drive install that I removed to scan as an attached drive (with an adapter to make it a USB drive.)

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• How to get Windows Server 2008 VM to use multiple cores

  - by David Fraser

  I have a Windows Server 2008 machine running in VirtualBox. On initial installation, only one processor was made available, but now I want to run it as a multiprocessor machine. I have made all four cores available in the VirtualBox settings (as well as enabling VT-x/AMD-V and Nested Paging), but Task Manager still only shows one CPU. However, the four CPU cores are visible in Device Manager under Processors. In the event log on startup, I can see the following relevant events: EventLog.6009 Microsoft (R) Windows (R) 6.00.6002 Service Pack 2 Multiprocessor Free Kernel-Processor-Power.4 Processor 0 exposes the following: 1 idle state(s), 0 performance state(s), 0 throttle state(s) Kernel-Processor-Power.4 Processor 255 exposes the following: 0 idle state(s), 0 performance state(s), 0 throttle state(s) Kernel-Processor-Power.4 Processor 255 exposes the following: 0 idle state(s), 0 performance state(s), 0 throttle state(s) Kernel-Processor-Power.4 Processor 255 exposes the following: 0 idle state(s), 0 performance state(s), 0 throttle state(s) How can I make this system actually boot up as a multiprocessor machine?

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• How do I diagnose a HP Notebook which has hardware issues?

  - by Rob

  My HP DV6t-2300 recently crashed while using FLV Player. It wouldn't start up after this so I had to do a hardware reset (remove power sources, hold down power button ~15 seconds, put back power sources). After this it would turn on, but start up would freeze in Ubuntu, Windows 7, Ubuntu Recovery Mode, and various Linux Live CDs. The only successful way to boot was in Windows 7 Safe Mode. The HP Customer Service was very polite, but they are trying to blame it on a corrupt operating system which is clearly not the case (since I have tried 4 operating systems and none work). I am thinking it might be the GPU since 1) I was watching movies when it crashed and 2) Windows Safe Mode might not use the dedicated GPU. I already ran Memory and HDD tests and there were no detected errors. Any ideas of what's wrong, or suggestions for tests that I should run in safe mode? Should I try reinstalling Windows 7 to convince HP that it's not the OS?

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• Installing Linux kernel 2.6.25.14 on RHEL 5.4

  - by aaron

  I have to install Linux kernel version 2.5.25.14 on a RHEL 5.4 server because of drive compatibility issues. I follow the RedHat "Building a Custom Kernel" instructions running the following: $ make mrproper $ make xconfig $ make clean $ make bzImage $ make modules $ make modules_install $ make install But I get a bunch of warnings like this: WARNING: No module ehci-hcd found for kernel 2.6.25.24, continuing anyway When I try to boot this kernel it is unable to mount the hard drive, and kernel panics on startup. As far as I can tell I'm using a standard configuration (I just accept the defaults and save a .config file). Is there something I'm missing? Thanks.

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• OS X Snow Leopard, change file permissions on copy

  - by Francesco K

  I work with OS X, Snow Leopard and need to allow users to make copies of files (templates) located in a read-only repository for subsequent editing. The repository is located on a separate physical drive mounted to the OS X boot volume. As this is a shared computer in a school environment, all users access the machine via a single login ("user_local"). Whether using POSIX permissions or ACLs, the use case requires the file permissions to change from "read" to "read write" as they get copied to the "user_local" home directory. Googling around has not yielded anything that would indicate that this is possible via the Snow Leopard permission system. Question 1: Is this in fact possible via the permission system? If so, how? Question 2: If not possible, how would one go about solving this problem? I imagine this to be a fairly common use case so there must be a workable solution for it out there. Thanks.

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• Ubuntu: disable udev's persistent-net-generator.rules

  - by Luke404

  I'm using Ubuntu 12.04 LTS server edition and I am modifying /etc/udev/rules.d/70-persistent-net.rules to define my own mappings of ethernet interfaces to MAC addresses; that file is initially generated by rules in /lib/udev/rules.d/75-persistent-net-generator.rules at system installation time (or at the first boot, I actually don't know and it doesn't matter here). How can I be sure that my edited version will never ever be overwritten by anything? Removing the persistent-net-generator, as suggested on some websites, is not the Right Thing™ to do as told by comments in the file itself: it will be overwritten by any update of the udev package. I'm looking for a more formally correct way to disable it. Is it enough to just make sure that /etc/udev/rules.d/70-persistent-net.rules does exist? Maybe there are other events that could trigger its regeneration? (eg. adding or removing ethernet interfaces to the system?)

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• strange behaviour - dhclient needs to be run twice in order to connect to wireless

  - by splicer

  I am trying to connect my to my wlan without the use of NetworkManager. I run the following commands after boot: iwconfig wlan0 enc <WEP passwd> mode managed essid <name> channel 6 ifconfig wlan0 up dhclient wlan0 At this point, dhclient stalls for ages (perhaps 2 minutes), then it returns with PING 192.168.1.254 (192.168.1.254) from 192.168.1.65 wlan0: 56(84) bytes of data. --- 192.168.1.254 ping statistics --- 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3000ms pipe 3 .. The strange thing is that when I run pkill dhclient; dhclient wlan0 right after this, it connects in about <3 seconds. Any idea what could be the cause of this problem? Edit: oh, and I did try using the -timeout flag on dhclient but that didn't seem to make any difference (it still stalled for ages).

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• Change Linux Console's Default Monitor

  - by Tim M

  Is there any way to specify which monitor the console is displayed on in Linux? Details: I have a 3 monitor setup with 2 video cards. When I boot the computer, the BIOS displays on the PCI graphics card (which has a small monitor). When starting Linux, the console is displayed on the same monitor. Is there a way to have the console output on a different monitor? I'm using the vesafb framebuffer. I don't see a way in my BIOS to change the default video card.

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• Win7 safe mode pretends it's Xp?

  - by Joachim Kerschbaumer

  hi there, just a question in between. a friend of mine brougth me a laptop that does not work anymore and wanted me to check whether i can do something. she told me its windows 7, and startup screen and login screen look like it. howevere, as she gets a bluescreen on startup it is only possible to boot in safe mode where the system pretends to be windows xp sp3. the system also may have 1 gig of ram but the system itself states that it has 954 mb of ram which is a value i´ve never seen before. is there everything corrupt from operating system to hardware, or am i just a newbie that does not know that windows 7 pretends to be winxp sp3 in safe mode? or is this laptop just the victim of an illegal, crazy copy of xp sold as win7? maybe some strange chinese stuff? i also recognized that the startup screen of Outlook Express is pronounced as "Outllok Express" (no typo) i´m kinda confused, maybe someone could put light into this ;) thanks

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• Is it a good idea to have the operating system on a solid state drive?

  - by Kenji Kina

  There is something I don't quite understand. I know a SSD helps with OS load times, but I'm not sure if all this boost is only noticeable/interesting when booting, or gives an all around considerably better experience thereafter. I am interested in having a quick and responsive environment after booting, which leads me to think that it'd be better to spend the SSD capacity in my most used apps (and the page file? Another inside question) and not the OS itself. This, of course, means that I don't know just how much the OS reads/writes its files during normal usage. So, how good an idea is it to dump the whole 20GB+ of Windows 7 OS into the SSD (considering the hefty price per GB of SSD capacity) if I can put up with the usual hard disk boot times? Would I be missing on a lot if I didn't?

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• Is there a point to using theft tracking software like Prey on my laptop, if you have login security?

  - by Reckage

  Hey, so I have a Thinkpad that I use in a variety of places (coffee shops, work, etc.). I don't generally abandon it, but I figure there's a chance I might get careless and it gets stolen at some point. I was thinking of installing something like Prey (http://preyproject.com/), but my OS installs are password secured, and on top of that, I have a fingerprint reader that you need just to get through the BIOS. So: is there actually any benefit to setting up software that tracks the laptop's whereabouts? I imagine that either: The laptop won't boot or login, if the thief doesn't get past the security. If the thief goes around said security somehow, presumably they've split the laptop for parts or bypassed BIOS security, gotten stuck on Windows security and formatted it. Given that it's highly unlikely that the thief would go to the trouble, what's the utility in installing laptop tracking software like Prey?

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• Monitor sleep in Windows XP does not work. Is there an add on to force it?

  - by bert

  I have an EEE box with XP Home and a DVI connected TFT, and it does not sleep the monitor. It only starts working after I go to the energy control panel and turn it off and on again. Then the timed sleep works for the current session of computer use. After a shut down and boot next day, sleep does not work again (it is still set in the preferences however). What can hold the sleep function from working? Are there issues with Skype or MSN? Is there a utility to be less critic to processes interrupting sleep and offer a more reliable monitor sleep function for XP?

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• How do I burn Xubuntu Live CD

  - by Julian

  I downloaded the 600+ MB Xubunto ISO. Burnt it to a DVD using Nero Burning Rom, as a Bootable DVD. My bootup sequence won't detect XUbuntu and still only detects windows on my Hard Drive even after I set my BIOS to boot from the CDROM first. How do I burn the Live CD with Nero? I'm thinking maybe I should extract the contents and then burn the folder as data to my DVD. P.S: I only have DVDs lying around.

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• What software can copy the whole hard drive with Operating System to DVD-R, and be able to "refresh

  - by Jian Lin

  What software can take a snapshot of a Win XP or Win 7 machine -- burning all files into a DVD-R, and then be able to boot from that DVD-R can restore the whole machine back to that state stored inside the DVD-R? Maybe for Win XP, it is easier as the OS can be just 1 or 2GB on the hard drive, but for Win 7, a fresh installation is already 16GB on the hard drive, so it will need several DVD-R to take the snapshot? thanks. (any of these software are open source?)

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• Making GRUB see software RAID 0 under Ubuntu 10.10 LiveCD

  - by unknownthreat

  I just installed Windows 7 recently, and I expect that it would alter GRUB and it did. I've been following some guides around and I am always stuck at GRUB not able to detect the usual RAID content. (Software RAID 0) I've tried running: sudo grub > root (hd0,0) GRUB complains it couldn't find my hard disk. So I tried: find (hd0,0) And it complains that it couldn't find anything. So I tried: find /boot/grub/stage1 It said "file not found". So what now? How can we make GRUB see RAID 0 under Ubuntu 10.10 LiveCD?

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• How to Shutdown PC by Pressing Power Button

  - by AgA

  I always Hibernate my PC. Sometimes when I boot, it does not recognize the mouse/keyboard or any USB devices. I've also setup it to go in sleep in 5 minutes. In that case I can't restart the PC so that USB starts working. When I press the Power button then it starts shutdown but asks confirmation twice one is for shutdown by force confirmation and then there is one more. When my USB is disabled I can't input these options. So I switch off the power. What I want is that upon pressing Power Button it should at once start shutdown without asking any more confirmations System details: Win-7 Home Premium 64 bit Intel i3 530 Asus P montherboard EDIT: It is Desktop PC

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• IIS 6 Ram Allocation on Windows Server 2003

  - by chris

  0 down vote favorite share [g+] share [fb] share [tw] I have my IIS 6 running my website. It is on a Windows Server 2003 which has 4GB of RAM. I run SQL intensive code after the user submits a form (math statistics stuff). This process is not threaded (should it be, especially if 2 or more users run the same thing?). But my process seems to consume only a couple of GBs of memory and the server crawls. How do I get my IIS process to use nearly all the memory? I see on other sites that its 2GB or 3GB allocated using boot.ini. But is there another way for the process to use memory? If I make it multithreaded, will there be a process for each thread?

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• iMac invalid memory access and then crash?

  - by Sam McAfee

  My iMac G5 from a few years ago (the square white one) dies now, with a message about an invalid memory access. It goes straight to an Open Firmware prompt and doesn't even load the Mac OS at all. Am I correct in guessing that the memory is probably the issue, and that if I replace it, we may be able to boot again as normal? That's my gut feeling anyway, so I ordered some more memory and plan to swap it today. Any thoughts? Ideas?

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