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• Can a processor upgrade cause BSOD?

  - by Daniel

  I Had the following hardware setup: Phenom II X4 945 Asus M4A97 4GB DDR2 OCZ Radeon HD5850 OCZ Agility 2 120 GB Windows 7 x64 Pro Fully updated (latest drivers and windows update patches) Then I bought an used Phenom II X6 1090T and installed it without formatting. Since that my computer started BSODing almost every time I'm playing any game and with different error messages, like: page fault in non-paged area bad pool header the video memory manager found a problem error in dxgmm1.sys(or something like that) And when it doesn't BSOD the game simply crashes. I have tried: Updating BIOS Reseting BIOS to defaults Reinstalling Video Drivers Installing the latest DirectX All that's left is to do a full format and I don't want to do that since it's going to be a lot of work to fine tune windows to my preferences again. So is my "new" processor defective or do I really need to format the computer? Update: I use a (properly installed) custom cooler from Coolermaster and both the BIOS and the Open Hardware Monitor(Application) attest the CPU is not overheating, so I guess the CPU its defective and since I bought it from a guy over the Internet I'm probably screwed

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• Windows 2008 Server on VMWare (hardware)

  - by Bill

  I want to setup a single server to run a few virtual servers for our datacenter. I do not have a lot of money to spend so I am trying to gain bang for the buck. My budget is around $2,000. So I was thinking about building the following as the VMWare physical server: Intel iCore 7 950 (LGA1366, 4 cores,8 threads) Gigabyte GA-X58-USB3 LGA 1366 X58 ATX Intel Motherboard 24 GB of Viper II Series, Sector 7 Edition, Extreme Performance DDR3-1600 (PC3-12800) CL9 Triple Channel Memory VelociRaptor 300GB 10,000 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive I am planning on running the newest version of VMWare ESXi (64-bit). On these I am planning on running a few various servers: Windows 2008 Server R2 w/ IIS (several custom built ASP.NET Apps) Windows 2008 Server R2 w/ MS SQL 2008 Database Server Linux Web Server w/ Several WordPress Blogs (XAMPP?) Windows 2008 Server R2 w/ IIS (DEV ENVIRONMENT) Windows 2008 Server R2 w/ MS SQL 2008 Database Server (DEV ENVIRONMENT) In your opinion, will this hardware be sufficient to run the above load with room for possible 2-3 more virtual machines (probably lightweight web servers)?

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• How can I fix a computer that is literally too slow to do anything?

  - by fredley

  I'm troubleshooting a Windows 7 PC for a friend. A couple of days ago it started running 'slow'. It turns out 'slow' is about 15 minutes to the first glimpse of the desktop, and another 30 to show icons. It is possible to open Task Manager, and nothing seems awry, CPU usage at 1-5%, plenty of memory free. The machine is clearly infested with malware though, in particular a program called 'Optimizer Pro' is demanding money to 'remove 5102 files slowing down my computer'. This seems highly suspicious. My problem is though, that I can't access msconfig (I left it for a couple of hours after having hopefully typed it into the Start Menu and hit enter - nothing seems to have loaded), or anything at all basically. I can boot from a Linux Live CD, but can I actually do anything useful from there? System Restore hasn't fixed it either, and Safe Mode exhibits the same behavior.

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• Upgrading RAM in HP Compaq d530

  - by Mike

  I want to upgrade my hp compaq d530 from 1.2GB to 4GB of RAM. I look at the specs: http://h18000.www1.hp.com/products/quickspecs/11632_ca/11632_ca.html and saw that I could get up to 4GB of RAM that is DDR, PC3200. So, I got 4GB of RAM. I ordered 4 of these http://www.ebay.com/itm/190398777195?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649. When I installed all 4 I get 5 beeps and 5 red blinks which I've concluded means I'm having a memory problem. When I switch back to 1.2 GB it works fine. I was wondering, am I doing something wrong?

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• A space-efficient filesystem for grow-as-needed virtual disks ?

  - by Steve Schnepp

  A common practice is to use non-preallocated virtual disks. Since they only grow as needed, it makes them perfect for fast backup, overallocation and creation speed. Since file systems are usually based on physical disks they have the tendency to use the whole area available1 in order to increase the speed2 or reliability3. I'm searching a filesystem that does the exact opposite : try to touch the minimum blocks need by an aggressive block reuse. I would happily trade some performance for space usage. There is already a similar question, but it is rather general. I have very specific goal : space-efficiency. 1. Like page caching uses all the free physical memory 2. Canonical example : online defragmentation 3. Canonical example : snapshotting

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• TrueCrypt - "Warning! Password locked: Fixed disk0" error message on boot

  - by Tibi

  TrueCrypt - "Warning! Password locked: Fixed disk0" error message on boot. When i start my laptop (Acer TravelMate 2410). after the starting memory check, the screen goes full black, and a message appears for about 3 seconds: Warning! Password locked: Fixed disk0 and after that, disappears, and next message comes out: Operating System Not Found and all stops here. Windows Xp was installed on it, before this came. TrueCrypt cd (witch was made during the process of full encryption) is not working, not in restoring MBR, no even in decrypting my drive - completely useless. Note: I detected some short of boot sector errors (i dont know the amount) on my drive before this happened. Please, i would greatfully thank every comment, or suggestion, because my computer is unusable now. The HDD is a Samsung HDD, 160Gb. Other preferences: Acer TravelMate 2410 Notebook, 2 Gb RAM, 1500 Mhz Intel Celeron M processor. Regards

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• What do you do with a 15 node decommissioned Itanium cluster?

  - by Gomibushi

  We are decommissioning a 15 node Itanium cluster. We don't know what to do with it. Being geeks we want to put it (or its individual nodes) to some cool use, but since it is Itanium we are a bit unsure what that could/would be. We are not bringing it back as production servers and we are considering giving them away, if anyone wants them. It's not the most spiffy hardware, but being 2U rack servers they pack an ok amount of cpu and memory, they're about 3 years old perhaps. Ideas to what runs well on them? Or something one can use them as?

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• Problem with running a program from flashdrive

  - by rajivpradeep

  I have a USB drive with two partitions in it, one hidden and one normal. I have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on Windows 7 and when run on Win XP, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when I copy the application to desktop and run, it runs with no glitch. I was facing the same problem on Win 7 too, but it was running as required when I ran it using "Run in XP mode" and then I applied a SHIM and is running since then as required. The application is built using VC++ 2008. does anyone know the solution?

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• Problem with running a program from flashdrive

  - by rajivpradeep

  I have a USB drive with two partitions in it, one hidden and one normal. I have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on Windows 7 and when run on Win XP, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when I copy the application to desktop and run, it runs with no glitch. I was facing the same problem on Win 7 too, but it was running as required when I ran it using "Run in XP mode" and then I applied a SHIM and is running since then as required. The application is built using VC++ 2008. does anyone know the solution?

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• Problem with running a program from flashdrive

  - by rajivpradeep

  I have a USB drive with two partitions in it, one hidden and one normal. I have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on Windows 7 and when run on Win XP, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when I copy the application to desktop and run, it runs with no glitch. I was facing the same problem on Win 7 too, but it was running as required when I ran it using "Run in XP mode" and then I applied a SHIM and is running since then as required. The application is built using VC++ 2008. does anyone know the solution?

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• Why Java applicaiton is running slow for clients on Linux

  - by Darshani

  We have two linux servers which have Apache Tomcat Installed. One is running the Database, the other is running with Java application. More than 100 users are connected to the servers. Server machines are quad core normal PC's which have 4 GB memory. It was running properly for the last 6 months but the application has recently started to run slowly . Suddenly the Java application is getting stuck & users cannot work for some time. There is no network issue. I am trying to identify the reason for this, whether it is a machine problem or the problem is in the Java application. Can any body help me with this?

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• Raspberry Pi based Hadoop cluster

  - by Dmitriy Sukharev

  Is it at least possible to build Hadoop cluster from Raspberry Pi-based nodes? Can such a cluster meet hardware requirements of Hadoop? And if so, how much Raspberry Pi nodes are required to meet requirements? I understand that a cluster from several Raspberry Pi nodes being cheap is not powerful. My purpose is to organize cluster without possibility of loosing personal data from my desktop or notebook, and to use this cluster studying Hadoop. I'd appreciate if you suggest any better ideas of organizing a cheap Hadoop cluster for studying purposes. UPD: I've seen that recommended amount of memory for Hadoop is 16-24GB, multi-core processors, and 1TB of HDD, but it doesn't look like minimal requirements.

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• Finding (listing) all Youtube videos embedded under a single domain?

  - by Tylerr

  Is there a way (a google search, maybe?) to list/find all Youtube videos embedded under a single domain? There used to be (if memory servers) an option on youtube, to find all videos from a single site (they were referencing them as "blogs"), but was available for short period of time and it totally disappeared. I was experimenting with a couple google searches, but to no avail, like this one: site:theverge.com intext:"youtube.com/embed" Even if it worked, it wouldn't provide elegant "thumbnailed" results. Anyone has any ideas? Thanks

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• Is there a way to get the size of Outlook Calendar meeting items?

  - by bethlakshmi

  In our Exchange environment, our company caps the size of an Exchange account at a certain size. That size is the sum of all the exchange related stuff stored on the server - includign both the Inbox and the Calendar. I can tell with the Mailbox properties, Folder Size... window that my Calendar is a good 50% of my account's footprint. Is there any way to get a more detailed view of what meetings in the Calendar are taking up the space? Given the general pattern of incoming mail, it's my belief that 2-5 meetings are responsible for 75% of the memory consumption... I just need to find which meetings are the problem... and with my current calendar, it's a bit like finding a needle in a haystack. Anyone got a trick for this?

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• Cannot delete movie on iTunes for iPhone 4?

  - by Jian Lin

  I was on vacation and took some videos, and now the iPhone 4 memory is near full. So I tried to delete other experimental movies I made using Handbrake, so that I can take more video or photos, but if I plug the iPhone 4 into my Notebook computer, I can seem to delete it on iTunes? Maybe because the computer I sync with the iPhone 4 is at home (a desktop), but not with me on vacation. I can't delete it on iTunes, can't delete it on iPhone itself. I am stuck during the vacation, or is there a way to handle it?

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• How can I change the amount and size of Linux ramdisks (/dev/ram0 - /dev/ram15)?

  - by Kevin S.

  Using Linux, when I boot I automatically have 16 16MB ramdisks, however, I would like to create one really large ramdisk to test some software. I found that I can adjust the size of the ramdisks already on the system with the kernel boot parameter ramdisk_size however, this makes all 16 ramdisks (/dev/ram0 - /dev/ram15) the size that is specified. So if I want to create a 1GB ramdisk, I would need 16GB of memory. Basically, I want to create one 10GB ramdisk which would be /dev/ram0. How would I go about doing that? I assume there is a kernel boot parameter, but I just haven't found it.

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• mysql does not start properly

  - by Erik Svenson

  Hi I am using XAMPP on Windows XP. Since I changed the version from 1.73 to 1.77 MySQL does not start properly. That means that the status says, it is started, but the safety check says it is not . Because of that I cannot set any password, which is unacceptable. Any idea? That's mysql_error.log: 111007 9:42:56 [Note] Plugin 'FEDERATED' is disabled. 111007 9:42:56 InnoDB: The InnoDB memory heap is disabled 111007 9:42:56 InnoDB: Mutexes and rw_locks use Windows interlocked functions 111007 9:42:56 InnoDB: Compressed tables use zlib 1.2.3 111007 9:42:56 InnoDB: Initializing buffer pool, size = 16.0M 111007 9:42:56 InnoDB: Completed initialization of buffer pool 111007 9:42:57 InnoDB: highest supported file format is Barracuda. 111007 9:42:57 InnoDB: Waiting for the background threads to start 111007 9:42:58 InnoDB: 1.1.8 started; log sequence number 1595675 111007 9:42:58 [Note] Event Scheduler: Loaded 0 events 111007 9:42:58 [Note] mysql\bin\mysqld.exe: ready for connections. Version: '5.5.16' socket: '' port: 3306 MySQL Community Server (GPL)

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• Windows 7 install crashes

  - by Alan Whitelaw

  I have a strange case that I cannot install windows 7 or windows vista on my 3 year old PC. The machine is an MSI K9NGM, with an AMD AM2 processor. I have bought a new Samsung SATA drive to install Windows 7 on, so as to preserve my existing XP install which I intend to dual boot in the future. However about half way through either a vista or w7 install (just after the mouse is shown for the first time, after the first restart) the machine will crash with a blue screen. I have removed, reordered the memory in the machine, with no luck. Does anyone have any experience of why this would happen with BOTH vista and w7 when everything is fine with XP?

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• Hardware recommendations for building an Ubuntu encrypted file server

  - by Robert Mashlan

  I would like to build a file server for my home network using Ubuntu. It will serve files from RAID1 configured disks, either in the OS or in hardware. It will be connected to a Gigabit ethernet LAN. The disks will use an encrypted file system. It will serve samba shares. I would like a recommendation on what kind of processing power/memory I would need to build a box that would be able to sustain the full capacity of the Gigabit ethernet connection in a file transfer for a single connection with the overhead of serving from an encrypted disk. I'm not looking to build a dream server, I just want enough processing capacity for high performance (and reliable) file sharing and spend as little as possible for it. This may be tangential, but what kind of hardware would I need to have a server be able to reliably go into a low power mode when no requests are being made of it?

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• php-cgi got SIGKILL on burst.net VPS?

  - by Shawn

  I got an VPS at burst.net, very cheap one, but this doesn't matter. The strange behavior of it is, the php-cgi process, which started using lighthttpd's spawn-cgi, dies every a few minutes. however, other processes are fine and great, even include a java process, and I'm sure there is no "out of memory" issue, so it's not killed by OOM killer. I used strace to trace the process, and found out it was killed by SIGKILL, hence no single log was left on the disk, just dies suddenly. Is there anyway I can find out what process/thing sent the SIGKILL to the poor php process? Filed a ticket with the vendor, but they said they won't care. strace -p 7176 Process 7176 attached - interrupt to quit wait4(-1, <unfinished ...> +++ killed by SIGKILL +++

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• bottle.py on EC2 micro instance causes 2 order of magnitude slowdown

  - by user61633

  Cross-posted from StackOverflow: I wrote a little toy script to solve this type of game, and put it on my new micro EC2 instance. It works perfectly, but while it takes around 0.5 seconds to run a local version, and takes under 0.5 seconds to run both the local and the bottle.py version on my home computer, running the bottle.py version on the EC2 instance takes over 2 minutes. Python has the cpu pegged at 99% the entire time. Only 7.4% memory usage, consistently, and no swapping. The only guess I have is initialization time for bottle.py on EC2, but if it were that, why would it be ~200x faster on my own computer with bottle.py?

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• Need information on a filesystem error:

  - by abc

  I have console access to an embedded linux device. This device has flash memory part of which is partitioned as a FAT filesystem. Its running linux-2.6.31. However I am seeing these errors on the console these days and the FAT file system becomes read only. 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) I cannot understand why this happened? What is the root cause? And what is the fix? I would appreciate answers that can point me how to investigate the possible root cause of this issue on the device.

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• Is virtual machine slower than the underlying physical machine?

  - by Michal Illich

  This question is quite general, but most specifically I'm interested in knowing if virtual machine running Ubuntu Enterprise Cloud will be any slower than the same physical machine without any virtualization. How much (1%, 5%, 10%)? Did anyone measure performance difference of web server or db server (virtual VS physical)? If it depends on configuration, let's imagine two quad core processors, 12 GB of memory and a bunch of SSD disks, running 64-bit ubuntu enterprise server. On top of that, just 1 virtual machine allowed to use all resources available.

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• Problem with running a flash Program from pendrive

  - by rajivpradeep

  Hi, I have a USB drive with two partitions in it. one hidden and the other normal. i have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on windows7 and when run on WINXp, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when i copy the application to desktop and run , it runs with no glitch I was facing the same problem on WIN7 too , but it was running as required when i ran it using "Run in Xp mode" and then i applied a SHIM and is running since then as required. the application is built using VC++ 2008 , What might be the problem.

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• ionice idle is ignored

  - by Ferran Basora

  I have been testing the ionice command for a while and the idle (3) mode seems to be ignored in most cases. My test is to run both command at the same time: du <big folder> ionice -c 3 du <another big folder> If I check both process in iotop I see no difference in the percentage of io utilization for each process. To provide more information about the CFQ scheduler I'm using a 3.5.0 linux kernel. I started doing this test because I'm experimenting a system lag each time a daily cron job updatedb.mlocate is executed in my Ubuntu 12.10 machine. If you check the /etc/cron.daily/mlocate file you realize that the command is executed like: /usr/bin/ionice -c3 /usr/bin/updatedb.mlocate Also, the funny thing is that whenever my system for some reason starts using swap memory, the updatedb.mlocate io process is been scheduled faster than kswapd0 process, and then my system gets stuck. Some suggestion? References: http://ubuntuforums.org/showthread.php?t=1243951&page=2 https://bugs.launchpad.net/ubuntu/+source/findutils/+bug/332790

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