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  • What factors can affect performance of Http Server written in C-Sharp? [on hold]

    - by Yousaf
    I am having trouble in terms of handling huge databases. I have multiple clients like 100-300 (clients are basically servers with i.e windows sql). Each client may have 38 thousand rows/listing of data, each row has 10-12 fields. I cannot afford to have json files of each client and than handle them on main server, because of memory issue. What if i have http server written in c or c# installed on clients and they return 250 rows in each response to the main server. How the factors like speed, memory or other issues can effect us ? What exactly I am asking for ? In short words if a server writter in c-sharp sends 250 rows per request. What factors can effect the performance of server ? for example. Speed, processing, Operating system, Implementation of algorithm of server ? How these factors can really effect the performance on large scale?

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  • Is it bad to put your computer in sleep mode every time?

    - by Ivo Flipse
    Often I have a lot of stuff open and don't feel like shutting down my laptop, so I just use sleep mode when I'm transferring it. But I have no idea if this might have any disadvantages. So my question is: is it bad to put your computer in sleep mode every time? Things I'm wondering: Should I turn off my computer every once in a while? Will continuous use of sleep mode slow down my system in any way? Are there any bad side effects (in the long term)? Any thoughts? FYI I'm using Windows 7 on a laptop

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  • Making application listen to port

    - by dplanet
    I am running an Ubuntu guest machine through my Windows 7 host machine (with Virtualbox), and on the Ubuntu system running an application that uses port 6969. Through configuring the Virtualbox port forwarding settings I have made it possible that I can go to 127.0.0.1:6969 in my browser and see the application's default page. However, I'm wondering how I can port forward from my Windows 7 machine to the whole network. My local network (IPv4) address is 192.168.0.5. I want to be able to go to 192.168.0.5:6969 from any computer on the network and see the application. I've searched Google but can only seem to find solutions in Linux, not Windows. How can I do this?

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  • Weird noise coming out on Windows 7 when harddisk activity at peak?

    - by Curious Apprentice
    I'm having a very strange problem. I'm hearing a "choooooooooo kkkrrr" sound (Its not like the normal sound speakers make when powered on) all the time. When there is more Hard Disk r/w activity the sound increases and as HDD r/w activity slows down so the sound. I have two other OS installed on my system. I have tested, it only happens when I'm on Windows 7. I have no clue what the hell is happening !? Any help would be greatly appreciated. Here's the sample of noise: http://www.ziddu.com/download/20852917/noise.mp3.html

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  • How to know or change the size of the Windows Event Log from a program under Windows XP? [closed]

    - by ahmd1
    I ran into a weird problem on a Windows XP system. My local service app logs its diagnostic messages into the Windows Event Log, so at some point those messages stopped being logged. I thought that the issue was in my code, but then I discovered that other processes can't log messages either. So I was wondering, is there a limit on the Windows Event Log size? PS. I guess I need to write this specifically -- I need to know/change the size from a command line or an API.

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  • Move 2TB Win7x64 to 640GB HDD

    - by reedacus25
    Basically I just got a new (refurbished) HP H8-1260t to use for Windows Media Center. The shipping drive is a 2TB Hitachi drive, but I have an older and barely used 640GB WD Caviar Blue 7200RPM drive I would like to move my Windows install to. I have about 750GB of data with over 1TB free left on the drive. Having googled my heart and fingers out, I would think that I can shrink my partition down to the size it is full at now with over 1TB free for a second partition where I can move my media files to further shrink my boot partition so that I can fit a system image smaller than 640GB on that WD drive. I want to have a separate drive for Media and TV Recordings from my boot disk. Does this sound like the easiest method for me? Or am I doing this all wrong. Help appreciated.

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  • apt-get install Error

    - by LINUX4U
    syslogd during install give following error from the server? How to diagnose this problem debconf: falling back to frontend: Readline Selecting previously deselected package sysklogd. (Reading database ... 32541 files and directories currently installed.) Unpacking sysklogd (from .../sysklogd_1.5-5ubuntu4_amd64.deb) ... Selecting previously deselected package klogd. Unpacking klogd (from .../klogd_1.5-5ubuntu4_amd64.deb) ... Setting up sysklogd (1.5-5ubuntu4) ... * Starting system log daemon... [ OK ] Setting up klogd (1.5-5ubuntu4) ... * Starting kernel log daemon... [fail]

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  • Entering the user's name in a URL for Chrome through Group Policy

    - by Automate Everything
    I am managing a Windows Server 2008 R2 server, with several Windows 7 machines, and we have recently deployed Google Chrome using Group Policy. We also have a locally hosted intranet for storing procedures, forms, and so on, as well as reports that pull directly from our databases. I am trying to put the user's name in the startup URL for Chrome, so that when they open Chrome at the beginning of the day, it can pull a list of items from the database that contains their username. The report works, and I have it using a drop down right now, but I would like to be able to put their username in the URL as a GET variable instead. Does anybody know how I would go about doing that for Chrome? I tried putting ${user_name} in the URL, and I tried putting %username% in the URL, but that didn't translate to anything. Is there some way to escape it so that it gets translated by the system into a username? Any help would be greatly appreciated.

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  • How can I check that I'm not frying the chipset on my 945 gclf?

    - by Journeyman Geek
    I'm running an old 945 gclf as a home server. Its an odd little system which has a passively cooled single core atom 230 processor, and a small heatsink/fan combo over the chipset. lm-sensors/sensors detects one temperature sensor which I guess is the processor. coretemp-isa-0000 Adapter: ISA adapter Core 0: +38.0°C (crit = +100.0°C) The fan on it is making rather horrible noises and I am considering unplugging it or using a speed reducer. There's also a risk it may fail anyway. Is there any way I can monitor the temperatures of the chipset or be warned of any issues with it? Is there anything specific I can watch out for that would indicate trouble?

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  • Is it safe to Update and/or Insert records into an accounting software's database? (Pastel Evolution)

    - by user1020317
    Our CRM system can post transactions to our accounts software (Pastel Evolution), but it doesn't perform the required currency conversion. Both systems have different "base" currencies (because of our location), so the figure thats sent to Pastel evolution is right, but it is reflected in the wrong currency. The CRM uses an ODBC connection to post figures to Evolution. I can make a tool which sits between the two systems which can update and/or insert the transactions into Pastel, by mimicking what the CRM would have done if it was doing the POST. Is it safe for me to mimic and/or update these transactions directly in the Pastel database? Is it common for important validation to be performed in the ODBC layer, and if so, can I tap into an applications ODBC, or is there a custom driver built by the CRM to communicate with the DB?

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  • Prevent email to root@domain

    - by kml
    I'm running Ubuntu Server 12.04 as a web server and use Exim4 for sending confirmation emails and such. Is there a way to set a system-wide email address for the root user? In other words, I'd like ALL email to go to a different address rather than [email protected]. For example, this command... echo "test" | mail -v -s test root ...would go to a different address, as well as all cron tasks that root executes: # m h dom mon dow user command 17 * * * * root cd / && run-parts --report /etc/cron.hourly 25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) 47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) 52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )

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  • Undetected Virus? I study at College, and Now all of the school computers have paint.exe -autocheck

    - by Jeffy
    "C:\WINDOWS\system32\Paint.exe" -autocheck is added to the registry every time its removed. This is like global. All the lab PCs(more than a hundred), personal laptops have this file. I really have no expert help to turn to.. as jotti says this file is clean. Here's the dropped file [removed] It seems that we all had this game cheating tool on our PCs called "Garena Maphack". Everytime it was run it would drop paint.exe into the system dir. Paint.exe is diguised as the real paint.exe from windows. Having the same icon and such. Check out threat expert's report at threatexpert.com/report.aspx?md5=176288f6f22a80c76329853f8535d45b The game cheat that started this huge mess can be obtained from [removed] What do I do? any experts care to take apart this file?

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  • Dedicated server given, how to start?

    - by eduardito
    Hello, I've been given a dedicated server. Unfortunately, I have no idea what to do / how to manage it. I have background in many fields on Computer Science but never got to focus on networking, server management, etc. What I'm asking is for recommended books, Basically, I would like to be able to be proficient and understand well how to manage domain names, zones, setting up mail servers, being able to install easily any web server, and such. Everything needed for proper server management through the shell. I will probably stick with Parallels, or Cpanel for a bit. But I dislike those, especially how it add a lot of intruding user accounts and configs on the file system. Thank you

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  • SVNNotify Where is it? how do I find it?

    - by John Isaacks
    I am on ubuntu. ok first of all I am running a post-commit script. I need the path to svnnotify to run it. The path the turotial I am reading has it as /usr/local/bin/svnnotify but nothing is in that location on my computer. I tried it anyways and I get something like: Warning post-commit hook failed: not found so I think I need to replace /usr/local/bin/svnnotify with the correct path to svnnotify. Well I do a search (Places>Search for Files) for svnnotify and nothing comes up. I know svnnotify is installed becuase if I open a command line and run svnnotify it tells me I am missing the required path argument. So how can it be installed if its not in the file system anywhere? I don't really know how linux works, its very new to me, so I am confused. Is there something I am missing?

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  • How to copy data (clone) from one partition to another in Windows XP?

    - by Martin
    I have installed a new hard drive in our PC running Windows XP and I wonder how to transfer the data from the old (small) data partition to the new (large) one. My question concerns only a data partition containing files and folders (not the boot partition with the Operating System files!) Is it ok to just copy the folders in the Windows XP Explorer to the new partition? Could anything be lost this way (hidden folders, metadata, ..)? What is the best way to clone a data partition in Windows XP?

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  • A require a server hosting package that would be suitable for several .net managed applications, accessed only by me

    - by user67166
    Hello, I currently run a server at home consisting of SQL Server 2008 .net Framework 2010 VPN Connection ASP.net Web Services running around 5-6 applications supporting a financial trading system that i regularly use. THe only user is me. Recently the requirement to have these applications running in a 24/7 100% uptime (or 99%) environment has become important. No longer can I both meet this requirement and host my server at home on my network - so i am looking to move to a dedicated hosting company. After some research, the only real companies I can find offering such services are geared towards company web-space hosting. I don't need 1TB+ bandwidth, what i need is CPU, Memory and as much control over the environment as possible. Does anyone have any examples of such a service? Thanks in advance.

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  • How to enable/disable authentication without password when executing commands as superuser?

    - by 44taka
    On a Fedora 19 system which I set up for somebody a while ago I noticed that no authentication is required when commands are executed as the superuser. So, for example, when running Yum Extender, configuring the firewall or running some command with sudo in the terminal, I am not asked to provide a password. (With graphical applications the authentication dialog pops up for a few milliseconds.) For better security I would like to disable this automatic (authentication-less) assumption of superuser privileges. I do not remember if or how I enabled this authentication without a password. I might have enabled it for convenience for the non-pro user of this machine, but did not do any "fancy" things (like editing config files) to do so. I did not edit the sudoer file. I just checked that. I might have checked a "Do not ask for password again" checkbox or something similar. Whatever I did, I would like to undo it and enforce authentication for superuser tasks again.

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  • SSH running slow on cygwin

    - by Robb
    I have a Windows XP box with Cygwin running and the SSH service. I'd like to use PuTTY to connect to it from other computers on the local network. PuTTY works fine and I actually get a relatively speedy login prompt. But anytime I do an 'ls' on the root directory ('/') it typically doesn't complete, like the command is hung. Other PuTTY sessions suffer as well, no matter what i'm doing (even just an 'ls' on my home directory might take awhile or not finish). It is like a deadlock occurred somewhere in the ssh/cygwin system. The root directory does contain the 'cygdrive' folder which is the contents of the host computer. Could this be causing the slowdown?

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  • sa2 -A /var/log/sa/sa13: No such file or directory

    - by user53925
    I have systat version 7.0.2 and the /etc/sysconfig/sysstat has the entry HISTORY=27, this is on a redhat enterprise server 5.6, the cron setup for this is # run system activity accounting tool every minute * * * * * root /usr/lib64/sa/sa1 1 1 # generate a daily summary of process accounting at 23:53 53 23 * * * root /usr/lib64/sa/sa2 -A I get the following error from the cron sa2 -A find: /var/log/sa/sa13: No such file or directory, Looking at the directory /var/log/sa the files are created from sa01 through sa10 (sa1 created on sep1, sa2 created on sep2 and so on), then the rest of the files are from sa14 through to sa 31 (created from Aug 14 to Aug 31). I have not made any changes on the server so I am not sure why I am getting these error messages and is there a way to fix this?. Someone suggested creating empty files from sa11 through sa14 to fix this but I am not sure if this might mess up something .

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  • How to temporarily disable SonicWall from connecting to the internet?

    - by Jerry Dodge
    I have been doing some extensive seeking in our SonicWall TZ-215 for the source(s) of unnecessary internet traffic, as we have issues with excessive traffic. As part of my research, I need to watch the Connections Monitor, which lists me all the current connections. This list becomes quite long, with 40+ devices on the network, it's tough to pinpoint the main causes. What I would like to do is disable the SonicWall its self from letting its internal components from connecting to anything. Is there any type of trick I can do in the Firewall which can prevent the router system from connecting to anything, to clean up the connections monitor and allow only suspicious traffic?

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  • Why doesn't the Ubuntu Installer see all of my hard drives

    - by atodd
    I'm trying to setup a dual boot system with Windows Vista 64 (already installed) and Ubuntu 10.10. I added a new drive which is identical to the one Vista is installed on. When I boot into the LiveCD I can see and mount the second drive and edit it in Gparted. However, when I use the installer it will only bring up the drive that already has Vista installed. I've tried everything I know. I'm not sure if its a BIOS setting or something else I've missed.

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  • taskbar hangs when opening a folder

    - by user23950
    Any one in here who has experienced this problem. The taskbar hangs whenever I: - Open a folder from a browser - Open a usb flash drive - Open a drive on my computer It really sucks, but the solution to the taskbar hangs because of opening flash drive is to remove the flash drive. Which is not safe because the file system of my flash drive is ntfs. And I can't just safely remove it because the taskbar doesnt respond when I click it. Do you know any solutions to this? Other than disabling the automatically search for printer in the folder options.

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  • Why I'm unable to use up/down arrows in my BIOS?

    - by nexus
    My BIOS is loading and when I wanted to change anything, the up/down arrows aren't working. What might be the problem? I want to change boot options, but I'm unable to select the boot from CD option. My BIOS version is f2.3. Do I need to upgrade it? I need my system for 2 more months continuously and I'm afraid if there might be some problem upgrading. But anyway, what might be the cause for this behavior? For you info I have the pavilion dv6 series laptop, BIOS version: f.23 processer: Intel(R) core(TM) i3 CPU M 370 @ 2.40ghz 2.40GHZ 2.40 GHZ

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  • Debian - no sound output

    - by Gogeta70
    So I've been trying for the last few days to get sound output on my Linux desktop. The onboard audio is Intel HD Audio ICH9, but I couldn't get Alsa to even detect it, so I disabled it in BIOS and installed a PCI card - a Dynex DX-SC51. Searching around, I found that it needed the Alsa driver for ice1724, so I installed all the stuff for that. Now, the system detects my sound card, but I can't get any audio to play out of it. Here's some information: root@debian:~# lspci | grep audio 02:01.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) root@debian:~# aplay -l **** List of PLAYBACK Hardware Devices **** card 0: ICE1724 [ICEnsemble ICE1724], device 0: ICE1724 [ICE1724] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: ICE1724 [ICEnsemble ICE1724], device 1: ICE1724 IEC958 [ICE1724 IEC958] Subdevices: 1/1 Subdevice #0: subdevice #0 I've been trying various solutions found on Google for a few days now and I'm getting nowhere. Hopefully someone here can point me in the right direction. Thanks.

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  • Application running as a service is not able to create the same number of processes as when it runs

    - by Pini Reznik
    I have a Windows application which creates up to 35 processes and it's working OK when it's running from cmd. But when it is executed as a service on the same machine it is able to create only 20 processes and all other are killed because of some kind of resource exhaustion problem. The problem is persistent on one Windows 2003 server but not reproducible on other servers. Can it be because the system has run out of desktop heap? http://support.microsoft.com/kb/184802 How can I check it?

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