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  • Low-traffic WordPress website on Apache keeps crashing server

    - by OC2PS
    I have recently moved my low-moderate traffic (1000 UAUs, 5000 pageviews on a busy day) website from shared hosting to a Centos 6 64-bit VPS with Apache and cPanel running on 4 quad-core processor (likely oversold) and 3GB memory (Xen). We've had problems from the beginning. The server keeps crashing. It seems PHP keeps expanding till it consumes all the memory and crashes the server. Some folks have suggested that I should abandon Apache/cPanel/PHP/mySQL and go with nginX/Varnish/PHP-FPM/SQLite. But that's just not possible for me as I am not very tech savvy and need a simple GUI like cPanel to be able to manage the mundane management tasks (can't afford to hire system administrator or get fully managed hosting). I have come across several posts discussing optimization of Apache for WordPress. But all of these lead to articles that are pretty dated such as this ~4 year old one from Jan 2009 - http://thethemefoundry.com/blog/optimize-apache-wordpress/ The article is pretty detailed and seems helpful, but I stumble even on the first step. My httpd.conf only has 2 loadmodule commands LoadModule fastinclude_module modules/mod_fastinclude.so LoadModule bwlimited_module modules/mod_bwlimited.so So I go total bust right there. Further, my httpd.conf says Direct modifications to the Apache configuration file may be lost upon subsequent regeneration of the configuration file. To have modifications retained, all modifications must be checked into the configuration system by running: /usr/local/cpanel/bin/apache_conf_distiller I am having trouble finding where to change the modules in WHM. Please can someone help me with updated guidelines on how to optimize Apache for WordPress? Many thanks! P.S. The WordPress installation also has WP Super Cache installed. P.P.S. I also have phpBB, OpenCart, and Menalto Gallery installed.

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  • quad sli with gtx 690 not working

    - by Moaadh
    I have two cards GTX 690 (dual core). I did the Sli successfully. Nvidia control panel acknowledges the two cards as quad Sli. However, the problem is that Windows 7 64-bit Ultimate is showing me the graph memory size as 4 GB while it is supposed to be 8 GB because of the Sli. Also the benchmark from all software is giving me a very low score compared to some other guy's benchmark on YouTube. It gives me a big headache. Does anyone know why this is happening? If so, how can I get Windows 7 to recognize all 8 GB of memory? Thanks for your help in advance. My computer specifications: (Processor: Intel Core i7-3930k @3.2GHz(12CPUs))--- (Memory: 65536 MB Ram 1866 MHz)-- (OS: Windows 7 Ultimate 64-bit)-- (OCZ 240GB as SSD PCIe drive for booting and storage disk)-- (DirextX version: DirectX 11)-- (VGA Card: 2 X EVGA GTX 690 Dual GPU. Each GPU is 2 GB, so total memory should be 8 GB.)-- (MotherBoard: ASUS Rampage IV Extreme)-- Others with lesser specifications get a 2500 score in heaven benchmark while I get 1501 as if it is one card.

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  • sql server uninstallation issue

    - by angel
    I'm unable to remove SQL Server 2008 sp1 completely from my system. I'm using windows 7 ultimate. Everytime I try uninstalling it i get the following error. How can I remove it? here is the log: Overall summary: Final result: Failed: see details below Exit code (Decimal): -2068643839 Exit facility code: 1203 Exit error code: 1 Exit message: Failed: see details below Start time: 2013-06-24 21:10:38 End time: 2013-06-24 21:21:17 Requested action: Uninstall Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\sql_rs_Cpu64_1.log Exception help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=10.0.1600.22 Machine Properties: Machine name: ABHI-PC Machine processor count: 4 OS version: Windows Vista OS service pack: Service Pack 1 OS region: United States OS language: English (United States) OS architecture: x64 Process architecture: 64 Bit OS clustered: No Product features discovered: Product Instance Instance ID Feature Language Edition Version Clustered Sql Server 2008 MSSQLSERVER MSRS10.MSSQLSERVER Reporting Services 1033 Enterprise Edition 10.0.1600.22 No Sql Server 2008 Management Tools - Basic 10.0.1600.22 No Package properties: Description: SQL Server Database Services 2008 SQLProductFamilyCode: {628F8F38-600E-493D-9946-F4178F20A8A9} ProductName: SQL2008 Type: RTM Version: 10 SPLevel: 0 Installation edition: ENTERPRISE User Input Settings: ACTION: Uninstall CONFIGURATIONFILE: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\ConfigurationFile.ini FEATURES: RS,SSMS,SNAC_SDK,CE_RUNTIME,CE_TOOLS,SNAC HELP: False INDICATEPROGRESS: False INSTANCEID: INSTANCENAME: MSSQLSERVER MEDIASOURCE: QUIET: False QUIETSIMPLE: False X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\ConfigurationFile.ini Detailed results: Feature: SQL Client Connectivity Status: Skipped MSI status: Passed Configuration status: Passed Feature: SQL Client Connectivity SDK Status: Skipped MSI status: Passed Configuration status: Passed Feature: Reporting Services Status: Failed: see logs for details MSI status: Passed Configuration status: Failed: see details below Configuration error code: 0xFFD65603 Configuration error description: Input string was not in a correct format. Configuration log: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\Detail.txt Feature: SQL Compact Edition Tools Status: Passed MSI status: Passed Configuration status: Passed Feature: SQL Compact Edition Runtime Status: Skipped MSI status: Passed Configuration status: Passed Feature: Management Tools - Basic Status: Failed: see logs for details MSI status: Passed Configuration status: Passed Rules with failures: Global rules: There are no scenario-specific rules. Rules report file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\SystemConfigurationCheck_Report.htm

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  • Which components should I invest in.. for a backup machine.

    - by Senthil
    I am a freelance developer. I have a PC, a laptop and an old testing and file server machine. I might add one or two in future. I want to have an on-site backup machine that can handle backups of ALL these machines - file backups, MySQL backups, backup of subversion repository, etc.. When building the machine, which components should I invest more in? Examples: The cabinet should have lots of room for expansion. Hard disk size should be large. But I guess hard disk speed need not be high (?) But other components like, RAM, PSU, Processor, Network card, Cooling, etc.. how much relative importance do these have in a backup machine? Which of these components should be high-end or large, and which ones need not be? Some Idea of the load: There will TBs of data. File backups and subversion repository backups will at least be done daily. MySQL backups done weekly. assume 3 machines at the moment and somewhere around 10 machines in the future.

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  • Windows XP - Power surge on hub port

    - by Swift-Tuttle
    Hi, Since last few weeks I constantly get this error, as status bar balloon: Power Surge on Hub Port - A USB device has exceeded the power limits of its hub port. Due to this now I am unable to access any USB devices properly, they get disconnected intermittently. I did quite a few things to resolve this problem, firstly obviously through the Windows help. I even tried all the things told on the Microsoft website(which essentially says is to check and update the driver) but in vain. One suggestion, I found when I google'd was to disable the USB2 controller through the Device Manager and since at every startup the System configuration comes up complaining that it has been changed etc.(On that same site it is mentioned to ignore this message.) But after everything I still cant solve this problem. Any help is much appreciated. The system is installed with Windows XP service Pack 3 and all the updates till last month. Please let me know if any other hardware info is required. **UPDATE** My laptop is about 5 years old now, its an HP with Celeron 1.4G processor. Windows XP SP3 installed. All latest windows updates installed. 2 USB ports available. BIOS is HP 68DTD ver F.0A Do I need to update my BIOS from somewhere ? or is this a hardware problem altogether?

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  • Are these hardwares compatible?

    - by Tom Kaufmann
    I am trying to upgrade my new machine but I want to do it myself. This is my 1st attempt at building system. After carefully reading reviewing feedback and my budget I have decided to select the below listed components. Can anybody let me know are they compatible or not? Transcend 64 GB 2.5" SATA Solid State Drive Asus GeForce GTX550 1GB DDR5 ENGTX550 TI DI/1GD5 Graphics Card Seagate Barracuda 1 TB HDD Internal Hard Drive Cooler Master eXtreme Power Pro 600 Power Supply Intel Core i5 2500K Sandy Bridge 3.30 GHz 95 W 4 Core Desktop Processor Intel DX79TO Motherboard Corsair CMZ8GX3M2A1600C9 8 GB DDR3 SDRAM 1600 MHz Dual Channel Kit Desktop Memory Sony AD-7260S-ZS Internal DVD Writer - Black Cooler Master Hyper TX3 EVO Intel CPU Cooler Cooler Master Elite 335U Cabinet LG E2051T 20.1 Inch SuperSlim Monitor Is any of these hardware components incompatible with I5 2500K? If you have any other suggestions for selecting any other harwdware that can boost up my performance or lower my cost while having the same performance, please suggest. But my primary questions is whether they are compatible or not! Any help is appreciated. Thank you.

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  • Formatting not retained in paste from Ditto (clipboard manager). Plain text pasted instead [Solved] Add supported types

    - by Jeff Kang
    I'm trying to use Ditto on the Ditto documentation. If I were to copy the table of contents, then paste it (without Ditto) to the word processor, I get http://i.imgur.com/V1GU3.png, and the formatting is maintained. As as a result of the copy operation, the table of contents also goes into the Saved Items List (= History List = Lists the Clips saved from the Clipboard) in Ditto’s Main Window: I open a blank document to paste from Ditto instead of the default clipboard, and press either Ctrl-`, the default Ditto window activation Global Hot Key, or click the tray icon. From this point, I can do 3 things to close the Ditto window, and place the item on the clipboard (the default clipboard?). Select the item, and press Enter Put the cursor on the item, and double-click Select the item, and press Ctrl-c 1) and 2) send a right-click where the cursor is, after the Ditto window closes (presumably to have the paste option ready to access?): Ctrl-c just closes the Ditto window. Whichever method is used, the contents are pasted in what I believe is plain text: http://i.imgur.com/mQAZH.png How do I keep the formatting that the default clipboard keeps? Thanks.

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  • Server specification recommendation

    - by foo
    To cut the story short, I can't buy an item (server/cpu/motherboard/ram) that costs more than USD 330. However, I can combine them, meaning, I can buy a CPU that costs USD 330 and motherboard that costs USD 330. With this limitation, I can't buy a powerful 1U server which will definitely costs me more USD 330. With that in mind, I was hoping to build a powerful desktop PC which will be used as a database server. However, through my experience, desktop PC doesn't last very long, usually the motherboard will just die by itself after 1 or 2 years. So, what would you guys recommend me to buy with this kind of budget? Every item must be <= USD 330. Will be used as a MySQL server. RAID would be nice. 1TB is pretty big for my data. I do not need external graphic card (onboard would do just fine), mouse, keyboard, monitor. Linux friendly. One ethernet port is good enough. It's important that those hardware is made of components that will last long (at least 3 years or something). The server will be placed in an air conditioned room, but a good ventilation for the server is always preferred. I won't overclock it. Intel processor is preferred. Thanks in advance.

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  • I really need help resolving a Window Vista BSOD (Blue Screen Crash) on my desktop

    - by anonymous
    Hi, thanks for taking the time to read this. I'll get straight to the details. My desktop is on the fritz; it keeps going to blue screen with the stop message of 0x0000007E immediately after the loading bar of vista, right before transitioning to the account selection screen. My desktop runs on a dual-core 32-bit processor with windows Vista Home(?) installed. I have 3 GB of ram as two separate modules, a 1GB acer module and a 2GB geil module. I have an ati video card, unfortunately I cannot recall the exact name but the chipset is ATI and the manufacturer is Sapphire and the card is on the lower end. My hard drive is 320GB (i think) partitioned into two. The C:\ partition is red lined, while the D:\ partition is still pretty empty. As per the advice of my friend, i tried restarting the system with the graphics card removed. Upon failure, i repeated the process removing one RAM module one at a time, but the system still failed to load. Vista would attempt to repair the system and it would initially report that the system was fixed, but vista really failed to fix the problem. After removing the memory modules, vista started to report it's inability to fix the problem. I tried running on safe mode and the driver listing would always stop at crcdisk.sys. I ran memory diagnostics using the windows memory diagnostic tool found in the screen after vista's failed attempt to fix the problem with no luck. the problem details are as such: Problem Event Name : StartupRepairV2 Problem Signature 01: AutoFailover 02: (vista's version number?) 03: 6 04: 720907 05: 0x7e 06: 0x7e 07: 0 08: 2 09: WrpRepair 10: 0 OS Version: 6.0.6000.2.0.0.256.1 Locale ID 1033 any correct advice would be appreciated as i really need my pc to work so i can work on my projects. kinda sad, but i'm college of computer science and i have no idea what to do :P

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  • Why would my network slow down?

    - by monkthemighty
    The network at my work has about 40 computers on it and a quite a few printers. When there are a lot of people working the network will be slow. I can test the ping between my computer and the router and it will keep rising, sometimes to the point that it times out. The router we are using is running Ubuntu on a atom processor and it has 4gb of ram. When the network slows the process Ksoftirq will be using most if not all of the processing power. I have found that Ksoftirq is a process that handles irq requests. Also when the network slows down I have captured packets from the router and using tshark and looked at it using wireshark on my laptop. With the capture show a lot of packets with TCP Dup ACK and TCP Retransmissions. The destinations of the TCP Dup and TCP retransmissions are to most of the computers on the network but there are some that are far more than others. What could this problem be caused by?

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  • Hard Drive problem: is it the SATA controller or the HDD itself?

    - by Drooling_Sheep
    I have a Samsung 1.5TB hard drive hooked up to an ECS H55H-I mini-ITX motherboard. I have XBMC 10 (modified Ubuntu 10.04) installed for use as an HTPC. The hard drive encounters occasional errors during normal use which cause it to be remounted read-only. I have updated the BIOS on the motherboard, changed the SATA cable and moved it to different ports on the motherboard, installed and re-installed the OS (including different versions of XBMC and generic ubuntu), all to no avail. I recently ran tests both with badblocks -sv and smartctl -t long. Both reported no errors. This makes me think the motherboard or SATA controller is probably the issue. Does anyone know of any further tests I can do to help narrow this down? The processor is a Core i3. I forget the model number but it's one of the 32nm ones with on-package graphics. There's no discrete video card or optical drive. The power supply is a 150W Rosewill (pretty sure) that came with the case.

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  • My PC suddenly reboots

    - by ChocoDeveloper
    Yesterday I opened my PC hub (after like, 5 years) to add more RAM and a new HDD. It was full of dust and balls of fluff, so I cleaned it a bit by blowing. I also removed the fan that was attached to the motherboard (I think it's there to cool the processor) and I cleaned it also by blowing and with a paintbrush, then put it back where it was (it had 4 weird plastic screws, it wasn't easy). Then I added 2 x 2Gib of RAM (Kingston 1333MHz), and the new HDD (Western Digital Caviar Blue 1TB SATA 3). I couldn't find another wire like the one my first disk had, which was thicker, but there was one that was more flat, so I plugged it and it worked fine (I also plugged the wire that I think is for the data, which looks like many little wires glued together). I'm running Ubuntu 12.04, and in the new disk I've just installed Windows 7. Between yesterday and today, two reboots ocurred while working on Ubuntu. I haven't used Windows 7 that much so I don't know if it will happen there too. So where can I begin to debug this?

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  • strange Kernel Process Threads taking over my AIX box....

    - by Paul
    When I check the Running Stats of my box I get the following: CPU User% Kern% Wait% Idle% Physc 0 37.5 57.4 0.0 5.1 0.01 2 0.0 18.3 0.0 81.7 0.00 3 0.0 22.5 0.0 77.5 0.00 4 0.0 17.0 0.0 83.0 0.00 5 0.0 20.5 0.0 79.5 0.00 6 0.0 33.7 0.0 66.3 0.00 7 0.0 4.4 0.0 95.6 0.00 8 0.0 19.3 0.0 80.7 0.00 9 0.0 22.3 0.0 77.7 0.00 10 0.0 19.2 0.0 80.8 0.00 1 0.0 1.3 0.0 98.7 0.00 11 0.0 21.8 0.0 78.2 0.00 21 0.0 62.9 0.0 37.1 0.00 12 0.0 21.1 0.0 78.9 0.00 13 0.0 22.7 0.0 77.3 0.00 14 0.0 18.1 0.0 81.9 0.00 15 0.0 21.2 0.0 78.8 0.00 16 0.0 19.1 0.0 80.9 0.00 The Kern% seems high to me and I cannot find a reason for this much Kernel activity.... Doing a deep dive into what User processes are doing I find nothing with significant CPU utilization even though TOPAS and SAR both show the same thing.... One CPU with 30-60 % user and every processor with 5-30% Kernel % utilization... What is my box doing??? here is a second sample of CPU % from TOPAS CPU User% Kern% Wait% Idle% Physc 0 67.8 31.4 0.1 0.7 0.14 2 0.0 18.2 0.0 81.8 0.00 3 0.0 20.3 0.0 79.7 0.00 4 0.0 17.3 0.0 82.7 0.00 5 0.0 20.7 0.0 79.3 0.00 6 0.0 39.2 0.0 60.8 0.00 7 0.0 5.0 0.0 95.0 0.00 8 0.0 17.9 0.0 82.1 0.00 9 0.0 22.0 0.0 78.0 0.00 10 0.0 18.0 0.0 82.0 0.00 1 0.0 0.7 0.0 99.3 0.02 11 0.0 21.7 0.0 78.3 0.00 21 0.0 21.7 0.0 78.3 0.00 12 0.0 17.0 0.0 83.0 0.00 13 0.0 21.1 0.0 78.9 0.00 14 0.0 17.8 0.0 82.2 0.00 15 0.0 21.8 0.0 78.2 0.00 16 0.0 17.6 0.0 82.4 0.00 Any ideas to help identify what is running in the Kernel Space would be great....

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  • My system is always disk-bound (the disk light is always on). Why is this?

    - by Scoobie
    I have been given a laptop by the good folks at my company on which to do my work (Java development). I usually use eclipse as my primary development platform. The laptop is a Dell D830 and runs Windows 7 - 32 bit. Although the processor supports a 64 bit instruction-set, licensing limits me to running the 32 bit OS. The HDD is a WD1600BEVT (Western Digital). I have noticed that my disk is always very slow. Windows start up is usually pretty quick, however as soon as I log on, my disk light stays on and usually, the laptop takes about 4 minutes (after logging in -- immediately upon getting the prompt to press Ctrl + Alt + Del to log in) before it's usable. Questions: Is this expected behavior? What can I do to examine the disk and determine the cause of the problem? What can I do to improve my disk's performance? Any optimizations you may be able to suggest? Other Questions: Some have suggested running Process Monitor (from sysinternals), but how would i get the log since start up? Instead of trying to fix this myself, should I simply push this onto the system administrator? Thanks all.

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  • Some Portions of Computer Running Slow (Specifically Graphics)

    - by Mike Gates
    I noticed that a few things are running slow today on my Windows 7 laptop. Specifically, they are: Opening and closing windows takes several seconds for the animation to complete. Windows media player opens fine, but the movies are very laggy MMORPG's, such as RuneScape, are extremely laggy When waking my computer from sleep mode, after entering my password, my desktop takes about 3 seconds to fade in Other than those, everything runs at a normal speed. Things I've done that maybe contributed to this problem: Changed the graphics processor (by plugging in/unplugging the charger) [however, no matter how I change the graphics, I'm still getting this lagginess] Installed AdBlock, a Firefox addon [I recently removed it, and I'm still experiencing this problem] Went into Advanced System Settings, Clicked Settings, and unchecked a few visual things (such as the animation for opening and closing windows) [sure, this got rid of the opening/closing windows lag, but I like that little animation - plus that leaves all the other lag problems I'm experiencing] So, does anyone have any ideas/fixes? If so, please respond. Thank you. Some Other Information: I'm on a HP Pavillion dv7 laptop, 4285 Entertainment PC, with: intel CORE i5 inside, ATI Mobility Radeon Premium Graphics, Microsoft DirectX11 Opening and closing of windows: Defined as opening a program (i.e. Firefox) or closing it by hitting the X in the upper-right hand corner. Lately, the animation for opening and closing windows (which is simply either growing from the icon from the taskbar to fill the screen, or shrinking from the screen down towards the icon on the toolbar.) This problem also occurs for minimizing/maximizing windows. Very laggy movies: defined as .avi movie files saved to My Documents which skips several frames per second and seemingly slows down the movie as a whole Extremely laggy games: I tried RuneScape today, and movement in the game was at least 10x slower than it ever has been, even when playing on the lowest detail/graphics Desktop taking 3 seconds to fade in after sleep: in this scenario, I had no other programs running visibly. The computer generally fades to black from the password screen to the desktop in about 1 second, normally. However, it is now taking 3 or more seconds.

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  • Computer makes odd noise. Replace almost every component. Computer still makes odd noise.

    - by ShimmerGeek
    My PC was getting pretty old, 5 years or so, and over the course of it's life I replaced the graphics card, HDD and a couple of sticks of RAM; but the PSU, processor, motherboard, fans etc. were all original. A few weeks ago, I started hearing an odd noise. I struggle to describe it, it sounded sortof like the 'click of death' you hear when a HDD may fail, but not quite... (And it was far less irregular) Also, I was sure I heard it once or twice a minute or two after I shut down the PC. This was going on very irregularly for a couple weeks. Some days I would hear no noise at all, others I would hear it often, maybe once every 30 seconds or so. I could find no common denominator - i.e. it did not happen more during gaming or any other intensive use. Anyway, I need my PC to sit some classes over the summer, so I put it in for them to run a HDD stress test and to replace a bunch of the components. I ended up replacing almost everything - the only elements I still have are my blu-ray drive and graphics card. They said when they started to run the HDD stress test it failed instantly (They started the test and it immediately said 'Test Complete' so they assumed it was at fault, and put a new HDD in since I was still under warranty with them.) I took it home a few hours ago, and I am still hearing the noise!!! Do you guys have any theories? I'm getting a little worried, I can't afford for my PC to suddenly fail during the next month - I have a lot of coursework to do. Any thoughts? Is it possible it could be the fan on the graphics card? I'm confused because it's so irregular. Any help would be much appreciated.

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  • Growing a small hosting company [closed]

    - by user2353007
    We currently have a few servers, 1 WHM VPS (2GB), 1 MS SQL VPS (2 GB), and 1 IIS VPS (2GB). The VPS servers are doing fine as far as uptime and response times but we would like to add the following features. 1) monitoring with load statistics 2) failover I have looked a Zabbix, Zenoss, Nagios, and a couple of other cloud solutions like monitor.us and watchdog from Zerigo. Ideally for the monitoring solution. Our current hosting company suggested we get a dedicated server or VPS and install load balancing software (not sure I like that idea). I've looked into Rackspace and Amazon load balancers which seem like the most feasible solutions for load balancers. Does anybody have any input on the monitoring and load balancing products I'm looking into? Monitoring should monitor uptime as well as give reports on memory usage, disk usage, processor usage, and which processes/websites/users are responsible for the load. It would be ideal if the load balancer worked with any IP. Not sure if either Rackspace or Amazon load balancers would allow load balancing with servers outside their datacenter. Thank you.

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  • Allow more websocket connections

    - by Switz
    I want to load balance my node.js (DerbyJS to be specific) application on a basic Linode (512MB ram). It can probably take more than one process running at once. The querys/database does not concern me as I'm not doing anything intensive. The problem at the moment is that it can only handle up to ~40 websocket connections at once. I would love if I could get that number in the few hundred+ range. I anticipate a lot of traffic on launch due to the fact that it's a highly niche community with an engaged audience, but after it should be fine with just ~20-40 connections at once, which it handles perfectly as of now. I don't mind spending a bit of money for a week or two worth of running, but I also don't want to switch production environments. How can I test the process to see how many instances I am able to run on the box? Will increasing the number of processes increase the amount of websockets I can handle, or is that a limitation of the server's network? I have an old Macbook Pro running Linux sitting next to me that has 2GB ram and a 2.8 Dual Core Processor. Could I use this to handle some of the extra load? I could probably load balance with nginx to its IP. I'm on a FiOS home network. If you have any suggestions, I'd really appreciate it. Thanks

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  • System requirements for running windows 8 (basic office use) in virtualbox (ubuntu as host os)

    - by Tor Thommesen
    I want to run windows 8 as a guest os with virtualbox on some thinkpad (haven't bought one yet) running Ubuntu 12.04. Apart from virtualizing windows 8 (mostly just for use with the office suite app) my needs are very modest, I don't need much more than emacs and a browser. What I'd like to know is what kind of specs will be necessary to run windows 8 well as a vm, using the office apps. It would be a shame to waste money on overpowered hardware. Are there any official guidelines from oracle or windows on this? Would this lenovo x220, for example, be sufficiently strong? The specs below were taken from this review. Intel Core i5-2520M dual-core processor (2.5GHz, 3MB cache, 3.2GHz Turbo frequency) Windows 7 Professional (64-bit) 12.5-inch Premium HD (1366 x 768) LED Backlit Display (IPS) Intel Integrated HD Graphics 4GB DDR3 (1333MHz) 320GB Hitachi Travelstar hard drive (Z7K320) Intel Centrino Advanced-N 6205 (Taylor Peak) 2x2 AGN wireless card Intel 82579LM Gigabit Ethernet 720p High Definition webcam Fingerprint reader 6-cell battery (63Wh) and optional slice battery (65Wh) Dimensions: 12 (L) x 8.2 (W) x 0.5-1.5 (H) inches with 6-cell battery Weight: 3.5 pounds with 6-cell battery 4.875 pounds with 6-cell battery and optional external battery slice Price as configured: $1,299.00 (starting at $979.00)

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  • ????! ?????????????????????????????????JavaOne 2012????? ????×????

    - by ???02
    2012?9?30???10?4??4?????????????????????Java??????????????JavaOne 2012??????????????????????2???????????????Make the Future Java????????Java?????????????????????Java??????????????????????????????????????Java??????????????(Fusion Middleware??????)?????JavaOne 2012??????????(???=????[??????IT????]) Make the Future Java?????????????????????????????????? --???JavaOne????????Make the Future Java?????????????????????????... ??:?Java????????????????Java???????????????????????????????????????????????????????????????????????????Java???????????????????????????????????????????????????????????????????????????????????????????????? ?????? Fusion Middleware?????? ???Java?????????????? --???JavaOne????????3????????????????????????????????????? ??:???Java SE?Java EE?Java ME???3?????????????(???)?????????????????????1??????????????????????????????????????????????????????????????????????????????????????????? --????????????????????????????????????????????????????????????????Java EE 7????????????????????????????????? ??:???????????????????????????????????????????????Java????????????????????????????????????????????????????????????????????????? ????????????? ???????????? ????????? ?????????????? ??????????????? ?????????? ???????????????????????????????????????? ?????????/?????????·?????HTML5?????????????????????????????????????????Java??????????? ????????????????????Java?????????????????????????????????JCP(Java Community Process)??????????????????·??????????????????????????????????????·?????????????????????????????????????????????????????????·???????????????????????????Java????????????????????????????????????????????????????? JavaFX?Java???UI????Java SE 8??? JavaOne 2012??????????????IT?????????? --2013???????????????Java SE 8??????2?????????Java SE 9???????????????????????????????????????????JavaScript?????????Java SE 8???????????????????Jigsaw??Java SE 9???????????????????Java SE 8????????????JavaScript?????Nashorn(?????)???????Rhino(????)??????????????????????????????????????????? ??:JavaScript????????JVM?????????????????? ???Web?????????JavaScript?????????????????? ????????????Java???JavaScript??????????????Java SE 7??????InvokeDynamic????????????????????Nashorn??????????????????????????????JVM????????????????????????????????????????????????????????????????????????????????JVM??JavaScript??????????JavaScript???????????????????????????JavaOne?Nashorn????????????????????????????????????????????????????????????????? --Java SE 8??JavaFX 3.0????????????????????? ??:JavaFX??????Java???????????????????Java SE 8??????????????????Java????UI?????AWT?????????Swing??????HTML5????????????Web???????????????????????JavaFX????????????GUI??????????????????????? --???JavaFX?????????????????????????????????????????????????????? ??:????????????????????JavaFX????????????????JavaFX????????·????GUI????????????????????????Visual Basic??????????????????Swing???????????????????????GUI????????? --??????????????????????JavaFX for ARM?????????????? ??:??????ARM????????????????·??????????????????????JavaFX?????????1????????????????????????????JavaFX Scene Builder?Linux??JavaFX SceneBuilder for Linux???????????????????????????????????????????????? Java EE 7??????????????????????Java EE 8?????????????? --Java EE 7?????????????????JavaOne????????????????????????????????????2013?????????????????????????????????????? ??:??????????????Java EE 8????????????????????????????????????????·????????????????????????????? ???????????????????Java???????????????????????????????????????????????????????????????????????????????????????????????????·???????????????????????????????????????????????????????????????????????????????????????????????????????????2013???????????????????????? --????????????????????????????????????????????????????????????? ??:???????????????????????????Java EE 7??HTML5????????????????????????????????????????????JMS(Java Message Service)??????·????1??????????????????????Java EE 7???Java EE 6???????????????????????????CDI(Context Dependency Injection)???????????????????????? ??????Java EE 7????????????????????????Java EE 8??????????????????????????????????????? “Java??”??????·????????? --????????JavaOne??????????????????????? ??:????????????????NetBeans??????????????Project Easel??AMD?OpenJDK??????????????Project Sumatra????????? Easel?NetBeans 7.3????????????HTML5?CSS3?JavaScript?????????????????????????????????????????????????JavaScript?????????????????????? ???Sumatra?Java??GPU?GPU/CPU?????????????????????????????GPU??HotSpot???JVM????????????????????????????/?????????Java?????????????????????????????? --????·???????????Java EE???????JavaScript??????????????????????Project Avatar????????????????? ??:JavaScript?????????????????????????????Avatar????????????????????????????????????????2???????????????????????????????????????????????????Web???????????????????Avatar?????????????????????? --???Java EE??????????????????? ??:???????????????????JavaScript??Java EE?????????????Java????????JavaScript?????????????????????JVM????????????????????????????????????JavaScript????????Java?????????????????????????????????????????????Avatar????JavaScript?????????????????????????????·??????????????????????????????? --?JavaScript?????Nashorn???????????????????JavaScript?????????????????????????????????Avatar???????·???JavaScript????????????????????????“????·??????”????????????????(?) ??:Nahorn?Node.js??????????Java???????????JavaScript??????????????????????????????Java?JavaScript??????????????????????? --????????????????????????????????????????????????? ??:????????????????????????????????????????????????????·???????????????·????????????????????????????T???????????????????????????????????... ???????????! --?????????????·?????????????????????????! JavaOne????????????????????????????????“T?????”?????????????????????????????????????????????T???????????????(?) ??:???Liquid Robotics?????????????????/????????????????????Java?????????????????????????????Java???????????????????????????????JavaOne?????????

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  • solve a classic map-reduce problem with opencl?

    - by liuliu
    I am trying to parallel a classic map-reduce problem (which can parallel well with MPI) with OpenCL, namely, the AMD implementation. But the result bothers me. Let me brief about the problem first. There are two type of data that flow into the system: the feature set (30 parameters for each) and the sample set (9000+ dimensions for each). It is a classic map-reduce problem in the sense that I need to calculate the score of every feature on every sample (Map). And then, sum up the overall score for every feature (Reduce). There are around 10k features and 30k samples. I tried different ways to solve the problem. First, I tried to decompose the problem by features. The problem is that the score calculation consists of random memory access (pick some of the 9000+ dimensions and do plus/subtraction calculations). Since I cannot coalesce memory access, it costs. Then, I tried to decompose the problem by samples. The problem is that to sum up overall score, all threads are competing for few score variables. It keeps overwriting the score which turns out to be incorrect. (I cannot carry out individual score first and sum up later because it requires 10k * 30k * 4 bytes). The first method I tried gives me the same performance on i7 860 CPU with 8 threads. However, I don't think the problem is unsolvable: it is remarkably similar to ray tracing problem (for which you carry out calculation that millions of rays against millions of triangles). Any ideas?

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  • Problem with non blocking fifo in bash

    - by timdel
    Hi! I'm running a few Team Fortress 2 servers and I want to write a little management script. Basically the TF2 servers are a fg process which provides a server console, so I can start the server, type status and get an answer from it: ***@purple:~/tf2$ ./start_server_testing Auto detecting CPU Using AMD Optimised binary. Server will auto-restart if there is a crash. Console initialized. [bla bla bla] Connection to Steam servers successful. VAC secure mode is activated. status hostname: Team Fortress version : 1.0.6.1/15 3883 secure udp/ip : ***.***.133.31:27600 map : ctf_2fort at: 0 x, 0 y, 0 z players : 0 (2 max) # userid name uniqueid connected ping loss state adr Great, now I want to create a script which sends the command sm_reloadadmins to all my servers. The best way I found to do this is using a fifo named pipe. Now what I want to do is having this pipe readonly and non blocking to the server process, so I can write into the pipe and the server executes it, but still I want to write via console one the server, so if I switch back to the fg process of the server and I type status I want an answer printed. I tried this (assuming serverfifo is mkfifo serverfifo): ./start_server_testing < serverfifo Not working, the server won't start until something is written to the pipe. ./start_server_testing <> serverfifo Thats actually working pretty good, I can see the console output of the server and I can write to the fifo and the server executes the commands, but I can't write via console to the server anymore. Also, if I write 'exit' to the pipe (which should end the server) and I'm running it in a screen the screen window is getting killed for some reason (wtf why?). I only need the server to read the fifo without blocking AND all my keyboard input on the server itself should be send to the server AND all server ouput should be written to the console. Is that possible? If yes, how?

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • Error while opening port in Java

    - by Deepak
    I am getting the following error while trying to open the cash drawer. Error loading win32com: java.lang.UnsatisfiedLinkError: C:\Program Files\Java\jdk1.6.0_15\jre\bin\win32com.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform The code i am using is as follows `import javax.comm.; import java.util.; /** Check each port to see if it is open. **/ public class openPort { public static void main (String [] args) { Enumeration port_list = CommPortIdentifier.getPortIdentifiers (); while (port_list.hasMoreElements ()) { // Get the list of ports CommPortIdentifier port_id = (CommPortIdentifier) port_list.nextElement (); // Find each ports type and name if (port_id.getPortType () == CommPortIdentifier.PORT_SERIAL) { System.out.println ("Serial port: " + port_id.getName ()); } else if (port_id.getPortType () == CommPortIdentifier.PORT_PARALLEL) { System.out.println ("Parallel port: " + port_id.getName ()); } else System.out.println ("Other port: " + port_id.getName ()); // Attempt to open it try { CommPort port = port_id.open ("PortListOpen",20); System.out.println (" Opened successfully"); port.close (); } catch (PortInUseException pe) { System.out.println (" Open failed"); String owner_name = port_id.getCurrentOwner (); if (owner_name == null) System.out.println (" Port Owned by unidentified app"); else // The owner name not returned correctly unless it is // a Java program. System.out.println (" " + owner_name); } } } //main } // PortListOpen`

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