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• Adobe Reader - Content Preparation progress

  - by kubal5003

  Hello, I was wondering recently if is it just me or anyone else noticed it: why Adobe Reader after opening every single document displays "Content preparation" window with progress bar and it lasts for ages.. ? On linux pdf readers work hell lot better (faster), on windows other readers also work faster. Some years back in the past Adobe Reader also used to be quick. What has happened? PDF files aren't bigger/more complex compared to 3-4 years ago. Computers are at least dual core and with much more ram and displaying pdf files is getting slower and slower..

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• Strange sound from Laptop, Microphone, Speakers or Soundcard?

  - by David Schilling

  I have recently purchased a second hand computer. There didn't seem to be anything wrong with it on purchasing, however recently I have noticed a small issue. Any time I play sound or listen through my headphones, I can hear what seems to be the CPU working (ie when beginning a new task, there is a small crackling). Also if I tap my laptop I can hear the sound louder, as if it is being picked up by the mic and then playing that sound in real time through the speakers or headphones. I have tried reading other topics but cannot find an answer to this question. These are the specs I am running on; Windows 7 Home Premium 32bit Pentium Dual Core CPU T4300 @ 2.10Ghz 2.10Ghz I hope someone can help me with this issue, it would be much appreciated.

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• Why is Windows Explorer not responding?

  - by William Barnes

  I am having the seemingy popular problem with Widows Explorer not responding. I have tried the AUTRUNS and turned off everything recommended. I have run SCANNOW 3 times and it comes back clean. When booting in safe mode it appears to work. I read someplace that the problem could be a service program, but can't remember where I read it or how to do it. Something about turning off all service programs and then turning them back on one at a time. The problem is I don't remember what it said to do. Any and all help is greatly appreciated. as an FYI here is my system stats Sorry I can't access that part of control panel right now because windows explore not responding. I have an HPdesk top with a AMD quad core processor 1.8GB 1.5TB sata drives (a 1TB and a 500GB) Nvidia 8400 graphics card a 2mb internet connetion wireless 2 DBD R?W drives. Any help is greatly apprciated

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• VMware Fusion / New Machine / verify VMs?

  - by drewk

  I just got a 15" MacBook Pro with 8GB RAM, 2.66 i7 and 500GB SSD. Very sweet and fast! My old machine was 2.66 Core 2 Duo. I used Migration Assistant to migrate my old MBP to the new. When I started VMware to run Windows and Ubuntu I got the message first This VM has been moved or copied to a new machine. Did you move or copy it? I answered Copied. Then I got the message this CPU is a different configuration than the machine that created the VM. You may get unpredictable results. I answered Open Anyway. Windows XP, Windows 7, and Ubuntu all seem to work OK, but how can I verify? Is there some form of test harness for a VM? I have had a VM degrade and become unusable with very catastrophic data loss (on Parallels...), so I am a bit paranoid. Thanks,

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• Need Boxee/Vista remote control recommendations

  - by gurun8

  I have an Acer Aspire X1200 (specs link below) desktop computer that I've installed Boxee on and it works great. And it looks like it's going to be a perfect computer for a media player. It's small with lots of hard drive space and even has a HDMI output on it. http://support.acer.com/acerpanam/desktop/0000/Acer/AspireX1200/AspireX1200sp2.shtml I also have a Harmony® 880 Advanced Universal Remote (specs link below) that I'd like to use with the Acer computer. www.logitech.com/en-us/440/372 My thought is that I need to get a USB remote control adapter, right? So I did a quick Google search and found products from $5 to hundreds of $$$. Does anyone have recommendations? Things you like/dislike about certain remotes? This Acer is running Vista and has a AMD LIVE!: Athlon X2 dual-core processor. 64 bit some times makes it a little more difficult. Thanks for the help.

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• how to stop powershell mangling command line options for program executed from shell?

  - by kem

  From the powershell prompt, when I try to run a program and feed it a command line option, powershell ends up mangling the option. Why does this happen? Is there any way to stop it besides enclosing the option in quotes? For example, from the powershell prompt: PS Microsoft.PowerShell.Core\FileSystem::\\mach\share .\myprog.exe -file=input.txt myprog.exe ends up getting two arguments: 1) -file=input 2) .txt I need to run it like: .\myprog.exe "-file=input.txt" or .\myprog.exe '-file=input.txt' to force it to be one argument. No other shell does this.

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• Is there any Mac Pro hardware parts that can ONLY be purchased thru Apple?

  - by bigp

  I'd like to know if I need to be concerned about any hardware parts that I should include in a brand new Mac Pro purchase, instead of trying to hunt it down on 3rd party vendors (or whitelist vendors / hardware suppliers). The main components I'm interested for "upgradeability" are: Processors (If starting with Two 2.4GHz Quad-Core "Westmere"); RAM (If starting with the least possible, which seems to be 6 x 1GB); Video Cards (If starting with one ATI Radeon HD 5770, can a 2nd one be purchased elsewhere?) Hard-Drives (Since these are mounted in specialized trays [if I'm not mistaking], are they also sold elsewhere? And can they be bought as SSDs?) Power Supply (Do I need to be concerned about this at all, or does it auto-adjust depending on the new component upgrades?) I just want to be sure by choosing a Mac Pro with lower component specifications that I can in fact purchase upgrade parts cheaper elsewhere. Thanks!

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• 250k connections for comet with node.js

  - by Nenad

  How to implement node.js to be able to handle 250k connections as comet server (client side we use socket.io)? Would the use of nginx as proxy/loadbalancer be the right solution? Or will HA-Proxy be the better way? Has anyone real world experience with 100k+ connections and can share his setup? Would a setup like this be the right one (Quad core CPU per server - start 4 Instances of node.js per Server?): nginx (as proxy / load balancing server) / | \ / | \ / | \ / | \ node server #1 node server #2 node server #3 4 instances 4 instances 4 instances

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• How to troubleshoot slow powerconnect 62xx management interface

  - by Hannes

  Our Dell Powerconnect 62xx switches have a very high packetloss on the management interface. I presume this is caused by a new appliance which uses multicast for communication but I am not sure. Our network setup is following: servers a - Dell PC6248 | servers b - Dell PC6248 |- juniper core router servers c - Dell PC6248 | What we see is that the multicast traffic arrives at all servers (but only the servers b use the multicast) and I fear that this multicast traffic floods the switch management interface. The switches' management interfaces are reachable via vlan101, all other traffic is sent over other vlans. When I tcpdump on one of the 2 servers with a vlan 101 ip address, I only get a few arp requests but almost nothing. When I try to ping between these 2 servers, it works like a charm. I would like to know what a good way is to troubleshoot this problem and maybe help me understand what is going wrong on that subnet.

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• rsync to cifs mount but preserve permissions

  - by weberwithoneb

  I'm backing up a linux server to a windows share. I'm currently mounting the windows share with cifs and using rsync for incremental backups. File permissions and ownership are not being preserved, as should be expected after reading this samba document: The core CIFS protocol does not provide unix ownership information or mode for files and directories. Because of this, files and directories will generally appear to be owned by whatever values the uid= or gid= options are set, and will have permissions set to the default file_mode and dir_mode for the mount. How can I achieve my goal of preserving unix file permissions while writing to a windows share? Is there another network file system that would allow me to do this? Thanks.

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• What is a good router linux distro and WHY?

  - by madmaze

  I have a rather large home network with many clients. Ive decided I want to build a Linux based router, I have an 1.6Ghz dual-core(atom) system kicking around which will be re-purposed. So ive looked at a bunch of specific router distros but cant decide. I have also looked into taking a Ubuntu server or FreeBSD install and adding needed packages. So question is, what is the best router-Linux or base Linux distro and why? resources appreciated.

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• teamviewer display is slow to refresh

  - by brunoais

  I'm using teamviewer from time to time to connect my portable computer with my desktop computer when I need to check on something (personal use). One of the main things I've been noticing is that it is quite slow transfering the screen updates that keep happening. This happens more frequently when I'm moving full windows or when I open a window or when watching a small movie clip. I've tested the lowest maximum p2p speed I ever got in the last week between both and it is the desktop's upload speed of 6MB/s with the ping of 40ms (usually ~15 ms). With this I was expecting to have very sharp image and fast transfer speeds which is not what is happening. Just to clarify, both computer's individual core's CPU is not reaching its peak (25%) while teamviewer is active, so the encryption and decryption is not the cause. Why my connection between both computers so slow?

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• let mysql use full resources

  - by shekhar

  We have a Windows server 2008 R2. It has 24GB RAM and 2.926 Mhz, 8 Core(s), 8 Logical Process. We have a large MySQL database and it's taking a lot of time to execute some queries. But while running queries, I have observed it's NOT utilizing full resources. I am thinking that if I let MySQL utilize maximum resources on my server, it can reduce execution time. How can I let my MySQL server utilize maximum resources in a healthy way?

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• Computer Locks Up Completely When Resuming From Standby

  - by kcoppock

  Okay, so I'm having a strange issue lately with my desktop, and off the top of my head I'm not sure what the problem is, so I'm hoping for some ideas on how to track down the cause. First, my PC: AMD Phenom 9600 Quad-Core 2.4 GHz 4 GB DDR2 160 GB boot HDD 1 TB & 120 GB secondary HDD Nvidia GeForce 8600 GTS Windows 7 Professional 64-bit I have my power settings as follows: Turn off the display: 10 minutes Turn off hard disk: 20 minutes Sleep after: Never After a while, I'll come back to use my computer again, wiggle the mouse, and the screen comes back on like normal, but the desktop is unresponsive. I can move the cursor, but nothing responds to clicks or keyboard entry. If I click a few times with the mouse, the computer eventually locks up completely and the mouse cursor stops moving as well. After I restart, everything works just fine. Is there a log you recommend checking or really any suggestions would be welcome at this point. Thanks!

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• Trouble with external monitor under Windows 7 on MacBook Pro Boot Camp

  - by Colm

  I'm running Windows 7 32-bit on a mid-2010 15" MacBook Pro Intel Core i5 under Boot Camp. I've had trouble getting it to work with my second display and searching Google for an appropriate answer has failed me. I'm on the latest version of Boot Camp - 3.2 - and have updated the drivers for the NVIDIA GeForce GT 330M. The monitor is connected via a VGA cable, and is a Dell ST2410. The monitor is recognised by Windows, which knows it's a Dell and its resolution. The desktop should be extended onto the second monitor - however nothing is showing. It remains black, though it doesn't show a lack of signal coming through which I would have expected. Any ideas what's wrong?

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• VMware + SQL Server - sqlserver.exe not using both CPU cores

  - by fistameeny

  Hi, I am working on a virtual machine that runs SQL Server Express (as part of Sage Line 50 Manufacturing). The details are as follows: Physical Server (host machine) - Intel Xeon Quad Core 2.1GHz - 4GB RAM - VMDK image stored on RAID-5 500GB SATA drives (7200RPM) - Running Ubuntu 10.04 Server 64 bit - VMware Server 2 Virtual Machine - Windows Small Business Server 2003 - Allocated 2 vCPU's and 2GB RAM - Using 100GB pre-allocated flat VMDK file The problem I have is that there is process that runs in SQL Server that is CPU intensive. On the old physical server that we migrated to the virtual machine from, this would utilise both CPU cores so the sqlserver.exe process would be running 100% on each of the CPU cores. On the virtual machine, it only seems to use one of the two CPU cores, meaning that the process is much slower to run. Question Is there a way to force SQL Server (sqlserver.exe process) to use both of the CPU cores, and distribute it's load between them? Is this a VMware setting that needs changing to allow processes to use both cores?

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• How can I use mobile network account at server so home sync works

  - by Mike Gallagher

  I would like to be able to use a mobile network account while sitting at my server. I had os x server 10.6 running on a mac mini server but recently got a new quad core iMac and want to take advantage of the extra power. My problem - I can sit at the server and log into the mobile network account but can not get it to sync back. When I attempt to sync it get error message that the afp share point is unavailable and that the files are hosted locally. My goal is to be able to use the new iMac as the server and set a user account so that it remains synced so when the account is accessed from other clients, particularly my macbook pro. Is mobile account the best route? Would an external account be a better option. Any advice or ideas of where to read up on this would be much appreciated.

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• CHROOT for shell script testing

  - by Josh

  I am looking at setting up a shell script in order to properly document and automate the process I am using to setup a few servers we have. In order to test the shell script through its different stages I was thinking a CHROOT would be ideal, since I can wipe out the "virtual root" and create it on the fly. I have never used CHROOT before, however. I was just curious what are the exact steps I would need to follow to implement this process of creating a chroot (with the basic core functions that would be needed to install apache/php/etc.)? and then destroying it?

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• Computer turns off and on after start ..then goes dead

  - by Shiki

  I built a new PC from the following components: - CPU: Intel Core i7 950 - MB: Gigabyte X58A-UD3R - RAM: 2x2gb i7 Corsair memory - VGA: Zotac AMP2 GTX260 - HDD: 1 GreenSATA HDD (Western Digital 500gb RE2) When I turn it on, it goes for a few seconds, fans at maximum speed, then turns off. The again, it starts by itself.. and goes with fans on max speed, nothing happens. First I suspected my PSU. It's a Chieftec 450AA PSU. After I borrowed a Chieftec 550AA PSU, I tried to start with that. Exact same story. Any idea ? Do I need a bigger PSU? Reason why its not localized. I never seen this turn on, off, on. If you give answer for that, it would already help people like me, with the same problem.

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• How to configure an ASUS motherboard.

  - by Absolute0

  I have an ASUS P7P55-M motherboard running with an Intel Core i5-750 processor and 4 GB RAM with 1600 MT/s speed. For some reason the default settings of the motherboard make all the components run at half their optimums. I have switched to the "D.O.C.P." profile and supposedly everything is as it's supposed to be (verified with CPU-Z). There is also an "X.M.P." profile and a manual one. Are either of the DOCP or XMP safe to go with? I wouldn't use the manual mode as I would likely mess something up real bad. XMP seems to be more memory oriented.

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• Should I limit end-user gigabit ports to avoid saturating uplink/trunk connections?

  - by Joel Coel

  We have a campus with 16 buildings and older 850nm 1Gbps fiber links between the buildings, that all come to a core switch for our servers that also uses 1Gbps ports. We're finally starting to replace our aging 10/100 end-user switches, and much of what we're looking at are 1 Gbps units. My question is, since the trunk/uplink lines are still 1Gbps, if I were to install 1 Gbps switches for end users, should I limit the ports to 100Mbps until I can also upgrade the trunks to avoid allowing a bad-behaving host to saturate a trunk line (since we're a college, we have plenty of mis-behaving hosts) and thereby create a DoS situation for a building, or will TCP congestion control typically take care of that for me? What if we have a lot of UDP traffic (games, video chats, even a small amount of bittorrent)?

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• Why is Firefox so slow and heavy?

  - by Tony

  For some reason, when I go to links the pages seem slow and heavy. It also has a lot of lag spikes between page loads. Basically it seems to freeze then load it all at once fast. I'm currently using Firefox 25. But when I use the same Chrome version, it seems to be very fast and smooth page loading. The CPU it takes on average is about 400,000k. Extensions: iMacros Leethax Ad Block Plus 2.4 Ad Block Plus Pop-up Addon 0.9.1 Computer stats: 6 GB RAM Windows 7 Acer Aspire Laptop 500 GB HDD Intel Core i4-2370M How do I make Firefox load like Google Chrome, without much freezing?

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• Suspected power supply issue? PC repeatedly whirs for some seconds and then dies.

  - by benwebdev

  I've come home today and switched on the PC I've built a few months ago only for the machine to whir for a few short seconds and then die. It repeats this until I disconnect the power lead. Nothing is output to the screen and this cut out happens very quickly after switching it on. What could this be and how could it be fixed? Is it the power supply? I'm in despair :-( My spec is below, everything is new and was bought and assembled within the last 6months, system has been fantastic until now. Power Supply: 620W CoolerMaster Real Power M620 Motherboard: Gigabyte GA-X58A-UD3R Intel X58 (Socket 1366) DDR3 Processor: Intel Core i7 930 2.80GHz @ 4.00GHz RAM: 6GB DDR3 OS Windows 7 64bit Sapphire HD 5770 Vapor-X 1GB Graphics card 1TB Hitachi HDD 720GB Seagate Barracuda HDD 350GB Seagate Barracuda HDD EMu 0404 PCI Soundcard D-Link PCI-E wireless card Samsung DVD RW drive

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• How to decide the optimal number of ruby thin/mongrel instances for a server, number of cores?

  - by Amala

  We are trying to deploy mongrel instances on a machine. What is the optimal number of mongrel instances for a server? Since an instance can handle concurrent connections, I do not see any benefit in starting more than 1 per core. Any more than that and the threads will just fight for CPU. Our predecessors have assigned 10 instances for 4 cores, but I think it will just cause CPU contention. Any definitive answers / opinions? I have seen this question: How many mongrel instances? But it is really not specific enough.

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• Terminal Server 2003 Performance Troubleshooting

  - by MikeM

  Let me get your thoughts on terminal server performance problems. The server hosts average 25 users which, after running some numbers, on average use 600MB memory with their main applications running (web browser, adobe reader, IP phone client). All users are on the same LAN as server. We constantly experience slow response and short session lockups. Combined CPU usage is on average 10%. What appears strange to me is that the system shows 29GB physical memory with 25GB of it free. The page file usage is about 50% averaging 9GB used. Some server specs OS: Server 2003 32bit Enterprise with /PAE flag RAM: 32GB CPU: 2xQuad Core @ 2.27Ghz HD: RAID5 1.2GB After doing basic troubleshooting using performance monitor it leads me to believe that the performance problems are caused by the 32bit OS limitation in addressing full 32GB of physical memory even though the /PAE flag is used. Can anyone suggest something, troubleshooting steps that can lead to a more conclusive answer? Thanks

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