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• Sending a large number of mails causing problems on CentOS 6 / Plesk 10

  - by papakost

  I have a VPS running CentOS 6. When the system tries to send daily newsletter, after some time (e.g. after sending about 2000 emails), I get error "Unable to send mail" and the system memory goes really high. Till this moment, the mails are delivered normally. The rest symptoms are: I cannot see anything on /var/log/maillog (File seems not to be written) All files on /var/spool/mail have 0 bytes size. From time to time on httpd log I get errors like: /usr/sbin/sendmail: error while loading shared libraries: libc.so.6: cannot open shared object file: Error 23 "Activate mail service on domain" setting in Plesk is deactivated. Any idea on what's going wrong here?

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• When HDD wakes up?

  - by NumberFour

  Im looking for some small script or application which could log the time when a non-system disk wakes up. I cannot identify which application or script wakes up my non-system drive (which has to be asleep until I work with it). I have already set the noatime flag, tried to use powertop and iotop to determine which application could prevent it from going to sleep - but with no result. So my plan is to set this drive asleep (hdparm -Y) and see at what time it gets regularly woken up. Thanks for any advice.

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• Several devices in Device Manager have Code 3 error

  - by John Straka

  One of our users' machines (Dell Optiplex 380 running Windows 7 32-bit) is having a weird driver issue. A bunch of devices have Error Code 3: The driver for this device might be corrupted, or your system may be running low on memory or other resources. (Code 3) The system isn't low on memory (only 1GB in use out of whatever the max for 32-bit is.) Here's a screenshot of the affected devices: I tried reinstalling the chipset and audio drivers to no avail. I have no idea what prompted it, and I'm not sure how the basic Windows Generic PnP Monitor driver could even be corrupted. What might be causing this error?

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• IOException opening RFCOMM on openSUSE

  - by Chief A-G

  I have a permissions problem on openSUSE with Bluetooth /dev/rfcomm0. I've written a small test application which opens /dev/rfcomm0 and sends a request message and retrieves a response message. At first my problem was a permission denied error on /dev/rfcomm0 until I added the user account to the dialup users group. Now I get a System.IO.IOException Interrupted system call error whenever I run the app. I can sudo my application and it runs fine. I'm not sure how and which permissions to set to get this work work under my normal user account.

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• Cannot reformat flash drive

  - by user933531

  I have tried to reformat on Ubuntu using gparted, in Windows using their tool, and OSX using Disk Utility. I have also attempted by using the terminal but also failed there. When I verify disk using Disk Utility, I get the following output: Verifying volume “REDSTRIPE” ** /dev/disk2s1 ** Phase 1 - Preparing FAT ** Phase 2 - Checking Directories ** Phase 3 - Checking for Orphan Clusters 168 files, 4507316 KiB free (1126829 clusters) MARK FILE SYSTEM CLEAN? no ***** FILE SYSTEM IS LEFT MARKED AS DIRTY ***** Error: This disk needs to be repaired. Click Repair Disk. But I am unable to repair disk. See OSX examples below:

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• Recovering database files from a corrupted VHD

  - by Apocalypse9

  We have a SQL server hosted on a virtual machine. Our hosting company updated/restarted the server and for some reason the virtual machines became unbootable. We've spoken to Microsoft and used a few higher level tools to attempt to recover the virtual machines but were unsuccessful. In browsing the file system the database folder doesn't even appear. I'm wondering if there are any lower level tools that might be able to find and copy the database files. As far as I know the physical hard drive is ok, so I'm hoping there may be some way to recover the files themselves even if the rest of the virtual machine file-system is a loss. Obviously we're in a bit of a bind, and any help/ suggestions are very much appreciated.

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• Mounting Solaris UFS partition on Debian(with FreeBSD kernel)

  - by hayalci

  I have some disks that were being used on a Solaris system. The disks are formatted as UFS. I attached them to a Debian system (with FreeBSD kernel. Debian/kFreeBSD), but I cannot mount them. $ mount -t ufs /dev/da2s1 /mnt/diska mount: /dev/da2s1 : Invalid argument Also the tunefs.ufs does not work; $ tunefs.ufs -p /dev/da2s1 tunefs.ufs: /dev/da2s1: could not read superblock to fill out disk Is there an incompatibility between FreeBSD UFS and Solaris UFS? Is it possible to mount one, under the other OS ? Note: tunefs.ufs works on the root partition $ tunefs.ufs -p /dev/da7s2 tunefs.ufs: ACLs: (-a) disabled tunefs.ufs: MAC multilabel: (-l) disabled tunefs.ufs: soft updates: (-n) disabled tunefs.ufs: gjournal: (-J) disabled tunefs.ufs: maximum blocks per file in a cylinder group: (-e) 2048 tunefs.ufs: average file size: (-f) 16384 tunefs.ufs: average number of files in a directory: (-s) 64 tunefs.ufs: minimum percentage of free space: (-m) 8% tunefs.ufs: optimization preference: (-o) time tunefs.ufs: volume label: (-L)

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• Throwing TRIM support in Ubuntu guest at Win7-Virtualbox host

  - by user141472

  I have VirtualBox 4.1.14 on Windows 7 as host, and Ubuntu server 11.10 as guest. System was installed at traditional HDD years ago (and upgraded later), but now it's at SSD as expanding drive. There is "AHCI" and "it's SSD" features enabled in SATA controller. Problem is, this expanding drive growth to it's almost max size (90% of it), but actually in VM only about 50% spent. Also, guest VM does not recognize /dev/sda as SSD, /sys/block/sda/queue/rotational says "1", /sys/block/sda/queue/discard_* all says "0". And, of course, I cannot run fstrim /, it says that operation not supported. Is there some trick to enable TRIM support in my guest system without reinstalling it?

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• Font problems after changing non-Unicode locale to Japanese

  - by Kawa

  I recently set my system locale for non-Unicode programs to Japanese and switched it back to American English shortly afterwards. Now, just about all my non-Unicode programs use a larger dialog font without any anti-aliasing instead of Segoe UI 9, as if running on a Japanese locale. One in particular has them switched, using Segoe UI when running on a Japanese locale (be it AppLocale or system) and the Japanese font on American English! Reinstalling that particular program, as a Google search suggested, didn't do anything but reset the toolbar positions. Using Windows 7 Home Premium, and quite confused by all this.

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• What is a good solution for an intranet video portal (YouTube-like) site? [closed]

  - by Ken Pespisa

  I would like an easy-to-setup site to handle videos to be viewed internally by my company. YouTube is essentially the perfect solution except for its being public. I'm looking for a place where a few people can upload videos, and the system will return a page where they can watch that video in a browser. I figure this would involve a dedicated Web server to run the Web application and process the videos. I've searched and I don't think such a system exists, but I perhaps there's one out there in its infancy that doesn't rank high on Google yet. Essentially the site I'm looking for is what MediaWiki is to Wikis, or what StackExchange is to Q&A sites, but for videos.

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• Windows 7 migration: How to move application settings?

  - by FrustratedWithFormsDesigner

  Migrating from WindowsXP Home to Windows 7 Pro. The last bit that I'm stuck on is migrating application settings, such as the settings for Opera, Firefox, MSN Messenger, and others. On the XP system, this all seems to be in "user/Local Settings" and "user/Application Data". On the Windos 7 system, there is a "user/AppData" folder as well as "user/Application Data" and "user/Local Settings". When I try to access "Application Data" and "Local Settings" on Windows 7, I get an "Access Denied" error (even though my user is an admin). So... if I can't copy my application settings files to "Application Data" and "Local Settings" on Windows 7, where to I copy them to?

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• Can't set correct desktop resolution on Windows 7 after playing Mirror's Edge

  - by DeadMG

  Ever since I launched Mirror's Edge, my entire system seems to think that my monitor is 1600x1200, when actually it's 1920x1080. The game would only go up to 1600x1200, Windows will only go up to 1600x1200, and even my video drivers will only go up that high. The monitor isn't even that aspect ratio. I've rebooted the system to no effect, and installed the latest graphics drivers for my Radeon 5770, unplugged it and re-plugged it, etc. My secondary screen is still working perfectly correctly. Any suggestions?

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• Prevent Windows 7 from unpluging External HDD [migrated]

  - by marverix

  I have installed Windows 7 as my media server. I pluged in 500GB external HDD via USB. I have changed power plan to Best Performance and changed advenced power settings to never turn off HDD etc. I even yesterday wrote powershell script (create and delete folder on this disk) and I have added it to harmonogram to run every 5 minutes starting from system boot. And nothing! Disk after some time (I realy can't say when) is turning off and Windows show "Unknown Device" in Device Manager. Then only system reboot or disk reboot helps. Any ideas how to prevent Windows 7 from stopping my external HDD? Cheers!

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• Synergy configuration with multiple X screens

  - by Rob Drimmie

  I'm having a problem figuring out how to configure synergy to behave on a system with multiple X windows. On my desktop I am running Ubuntu 10.04 LTS. I have two monitors, setup as separate X screens by preference as well as to enable me to rotate the left-hand monitor. I also have a laptop, which I have on the desk in front of me, lower than the other two monitors. I have a very simple synergy.conf: section: screens desktop: laptop.local: end section: links desktop: down = laptop laptop: up = desktop end It works, but on the desktop only on whichever screen I run synergys from in terminal (I haven't set it up to run at startup yet because I've been playing with the configuration). I can't find any information how to reference multiple screens on one system, and would appreciate any help.

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• Windows 8 blue screen error watchdog violation

  - by Pramodh

  My system is windows 8 pro rtm x64. Recently my system started hanging frequently. Nothing but the restart button works. But now just after hanging it showed me a BSOD error saying watchdog violation. I used bluscreen viewer to see the error in the memory dump and it showed me something about hal.dll, ntoskrnl.exe. This is what windows showed me. Problem signature Problem Event Name: BlueScreen OS Version: 6.2.9200.2.0.0.256.48 Locale ID: 1033 Extra information about the problem BCCode: 133 BCP1: 0000000000000000 BCP2: 0000000000000281 BCP3: 0000000000000280 BCP4: 0000000000000000 OS Version: 6_2_9200 Service Pack: 0_0 Product: 256_1 Bucket ID: 0x133_DPC_NETIO!KfdClassify Server information: c03a9f52-f2b5-483f-9b4a-cbb5be3a72c0 Can anyone please walk me through the steps to get rid of this error please? Thank you.

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• ATI Radeon Drivers works with which linux distribution and version? [closed]

  - by amit.codename13

  I have ATI Mobility Radeon HD 5850 graphics card. Almost every new linux distribution seems to have an issue with it, when i install the drivers. Working without utilizing the graphics card leaves me so unproductive. So i made a plan to use older versions of linux, any distribution suitable as a desktop distribution. The problems that i am facing are, 1) After installing drivers the system boots and hangs, 2) There are unusual lines over the screen 3) After upgrade system doesn't start properly(hangs the usual old way) The kind of answers i am looking for is, distribution X(the newer the version the better) doesn't have the above problem after installing drivers for ATI Mobility Radeon HD 5850 graphics card. UPDATE: The new drivers released by AMD seems to fix all the issues, although they are still beta

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• Toshiba recovery disc doesn't give me all partition options

  - by ACarter

  I'm trying to install Windows XP on a new machine, by way of the original Toshiba XP recovery disc. (I can use a recovery disc on not-the-original machine can't I?) When I boot up with the disc in, I get to a point when it asks me how I want to install. I select the 'existing partition' option. It then gives me a dialog saying it will install into the SYSTEM partition, which is tiny. Obviously I don't want to overwrite SYSTEM, so how can I install XP on one of my empty partitions (already created)? I know it's possible to install the OS from the CD on a separate machine (just tried in a virtual one). Maybe I can move the partitions around if it just selects the first one?

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• Somebody knows why the sectors of the IBM floppy disk are named 1 to 8 (and not 0 to 7 )

  - by Olivier Briand

  I am now programming on a 8 bits Z80 computer with CP/M 2.2, (as a hobby) and the floppy disk format is IBM, 40 tracks, 8 sectors per track, 512 bytes per sector. free space is 154 Ko on each face of the disk. Why the sectors are indexed 1 to 8 (and not zero to seven, as usually is seen with computers)? The catalog of the floppy disk is on the track 1 (sector 1 to 4, 64 entries). I'm wondering is the catalog on track zero? Is the zero track reserved to included a system (as track 0 & 1 are reserved to the system on a CP/M floppy disk, and catalog is on track 2)?

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• Options to Reformat USB Drive

  - by user8783

  I have a 64GB usb thumb drive. When I plug it into a Windows system (I have tried several machines with both Windows 7 and 8), the system attempts to read it and never completes. The drive does not show up in the device manager, nor does it appear in Computer Management - Disk Management. If I click on the "Safely Remove Hardware" icon, however, I do get an option for "Eject Mass Storage Media", although it never accomplishes anything. Also, as long as the USB drive is connected, I cannot access other USB drives or even restart my computer. It seems as though it locks up Windows Explorer. Is there any option to reformat this drive? It was a great drive up until all this craziness began and I would hate to throw it out because it was rather pricey.

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• Turn off write barriers on ext4 whiche FS is mounted

  - by user462982

  I am doing some IO intensive DB imports that run for several days now and the IO performance has dropped tremendously over times. The DB data files (log files) are on an ext4 formatted logical volume which is mounted with default options (did not specify something special in fstab). Since I just learned that ext4 enables write barriers by default: Q: Is there some way to disable write barriers online (i.e. while the file system is in use), because I cannot interrupt the import and don't want to restart it again. I am aware that write barriers might not be the only thing impeding performance it is a bad idea to have write barriers disabled on journalling file systems if data safty is important (e.g. on a production system)

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• Limit a process's relative (not absolute) processor consumption in Linux

  - by BobBanana

  What is the standard way in Linux to enforce a system policy to limit the relative CPU use of a single process? That is, on a quad-core machine, I never want a process to use more than 2 CPUs at once, even if the process creates more threads. I do not want an absolute time limit, just a relative limit so that one task cannot dominate the machine. This is also different than renice, which allows a process to use all the resources but just politely step aside if others need them too. ulimit is the usual resource limiting tool, but it does not allow such CPU restrictions.. it can limit the number of processes per user, or absolute CPU time, not restrict the maximum number of active threads of a single process. I've found a couple of user-level tools, like CPUlimit, but not a system level tool or setting. Does such a standard resource controller exist in Linux (Red Hat Enterprise, if it matters.) If there is such a limit imposed, how would a user identify it?

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• Where can I get Windows XP Home Edition, when I lost the CD? [closed]

  - by Kugel

  Possible Duplicates: How can I reinstall windows without a CD/DVD? Installing Windows Vista without system restore CD with OEM key (ie: from underside of my laptop) I came home for Christmas and there is this old notebook that my dad likes to use. I has a sticker with CD-key for Windows XP Home Edition. However the CD is long lost. I'd like to reinstall the system. Is there a way to obtain the CD? Thanks.

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• How can I make my laptop use a phone as a wi-fi adapter?

  - by Dennis Williamson

  I have an HP Pavilion dv6400 series laptop with an NVidea chipset which is the subject of a class action lawsuit. The symptom (PDF) that I'm experiencing is that the system fails to recognize that there is a wireless adapter installed. It doesn't appear in Device Manager. In this question, I ask if there's a way to work around this problem. As an alternative, I'd like to see if there's a way to use an old Windows Mobile 5 phone that does not have cellular service (voice or data) as a Wi-Fi adapter. How can this be accomplished? The system is running Windows Vista Home and has the latest BIOS (F42) and Windows updates and drivers.

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• Best way to "stream" music / video to my HDTV from my pc?

  - by loj

  My requirement is simple: I have a laptop and a desktop at home that I often use for various media (music, videos etc.) and I want to know what the best (quickest, most seamless, best quality etc) solution for sending this media to my HDTV (and connected sound system). An example would be I'm listening to some music from youtube on my laptop in my living room and want to quickly send it to my tv (which has a sound system) so that I don't have to listen to it through my laptop. I mainly use linux (but a windows dependent solution would be ok too if its the best option). I would greatly appreciate any suggestions. Oh and a wireless solution would be best.

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• Installing OpenVPN on Windows7

  - by Darcara

  It seems I cannot install the current version of OpenVPN (2.1.2) because the TAP driver is not signed and therefore windows 7 x64 refuses to install it. It shows up in the device manager, but with a yellow exclamation mark. It's a fresh system, and OpenVPN was never installed before. When I start the OpenVPN client it seems to connect fine, but then it stops with CreateFile failed on TAP device: ... All TAP-Win32 adapters on this system are currently in use. How can I install the unsigned drivers, or are there signed drivers available somewhere ?

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