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  • power equation for RAM

    - by kashyapa
    How is the dynamic power consumption of memory determined . Can anybody give a canonical equation for power consumption of the RAM. What are the parameters involved in determing the dynamic power consumption of RAM ? Thanks in advance

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  • I need a tutorial for IIS/ASP.Net administration

    - by TheCodeMonk
    My technical support staff is only a little familiar with IIS and that's only as far as install goes. They need to install/update and configure ASP.Net web applications and WCF services that we write. Does anyone know any good tutorials/books/web sites that can help them understand some of the basic concepts of web applications and maintaining them on IIS?

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  • Linux: Can I link multiple destinations via softlinks?

    - by kds1398
    Attempting to end up with something similar to this: $ ls -l lrwxrwxrwx 1 user group 4 Jun 28 2010 foo -> /home/bar lrwxrwxrwx 1 user group 4 Jun 29 2010 foo -> /etc/bar The intention is to be able to move a file to foo & have it go to both destination directories for now. The goal is to eventually unlink /home/bar link after confirming there are no issues with moving the files to /etc/bar. I am restricted in that I am unable to change or add to the process that moves the files.

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  • Should laptops remain plugged in when their battery is 100% charged?

    - by Click Upvote
    I've been hearing mixed responses to this, so would like to hear the final answer. When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating. etc? Should the laptop be unplugged when battery is 100%? I'm asking because my laptop's screen tends to get dim when unplugged, so I don't like to run it on battery. (Any fixes to this would also be helpful.)

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  • What at the Best Practices and tools for managing Windows Desktops from a linux sever ?

    - by JJ
    I know this is a loaded question! What are the best ways to manage Windows (2000, XP, Vista, Win7) workstation from a centralized linux server. I would like to replace the fuctionaility of MS SBS Server with a linux box. The following issues would need to be addressed. File Sharing Authentication, Authorization, and Access Control Software Installation Centralized Login Script Centralized Backup

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  • Tools to manage clusters

    - by Stan
    Say if there're many game servers, is there any tools for engineers to easily manage? Below are some requirements. allow RDP (remote desktop) to servers. has group/permission setting. Classify by different functionality. So for people has permission to access certain group, they don't need further enter pwd to RDP servers, the tool will automatically log on the server. log activities: history about who has log on what server. Thanks.

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  • What is the difference between yum, apt-get, rpm, ./configure && make install

    - by Saif Bechan
    I am new to Linux and am running CentOs. When I want to update or install certain software I came across three ways. Sometimes it's: yum install program rpm -i program.rpm wget program.tar.gz unpack ./configure make make install That last one is a real pain, esp when you come from windows where a program install is usually one click and then a nice guide. Now can someone please explain to me: Why are there so many different ways to do this? Which one do you recommend to use and why? Are there any other ways for installing programs?

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  • How to tell Windows 7 "sleep when laptop is closed, unless there's an external monitor connected; then use that"?

    - by Josh
    Most of the time, I would like my Windows 7 laptop to sleep when I close it. But sometimes, I like to connect an external monitor over DVI. I would like my laptop to use the external monitor when I close the lid, but only when a monitor is connected to the DVI port. Otherwise, sleep when closed. Is there any way I can do that, without manually changing the power settings every time I decide to use the monitor?

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  • Modifying value of "Rating" column within Explorer for arbitrary file types

    - by Fake Name
    Basically, I have a large body of assorted media (text, images, flash files, archives, folders, etc...) and I'm attempting to organize it. Windows Explorer has a rating column, but there seems to be no way to modify the rating of the files short of opening them in their type-specific software (e.g. Media player, or Photo viewer). However, this does not work when the file is of an unsupported type (.rar, .swf ...), or a directory. I'd be more than willing to consider a file-manager replacement (I've alreadly looked at quite a few, Directory Opus, Total Commander, etc...), or even a solution that stores the rating metadata in a hidden file in each folder, or a separate database. The one real critical requirement is the ability to sort by rating, and being filetype-agnostic. Basically, is there any way to categorize a large collection of assorted files by rating that will work with any file type, including directories? - Ideally, there would be an easy way to add arbitrary columns to windows explorer, and edit them directly. However, there seems to be no way to do this. The rating column is the next best thing.

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  • How to inactive Active Directory users, 1 month after their FIRST LOGIN, instead of defining a solid expiration date

    - by smhnaji
    We want to give access to some Active Directory users, so they can remotely have access to our server and download from a special folder of the server. The licenses we give to users, are time base. There should be 1 month, 2 month, ..., 1 year, ... licenses. CURRENT SITUATION (WHAT I DON'T WANT): When users are created and added to the OS, a solid expiration date is given. WHAT I WANT: Users' expiration date should be calculated automatically after the first login. The user might not need his account right when purchases the license. In other words: When a license of the user we create is purchased at Jan 1st, he should use the license until Feb 1st. No matter whether he really logs in or not. He cannot come Feb 5th and begin using his license because that has expired then. What I want is that when he comes at Feb 5th and begins using, the license update until March 5th. Working environment is Windows Server 2012. By the word 'user', I mean Active Directory Users.

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  • How can I copy files to an external drive and verify their integrity in OS X?

    - by jedavis
    I'm moving large amounts of data from one external drive to another larger one. The files are important and the smaller drives need to be cleared and reused (HD camera). Is there some utility for moving files and verifying their integrity? I've been using this command find . -type f -exec md5 '{}' \; > md5list.txt in the terminal to create a list of MD5s for each file then using diff to compare the two. However, I am moving 320GB at a time, which takes a while by itself. Computing the checksums takes another hour or so. It would be much more efficient to do this on the fly, during the copy. I'm just hoping someone has already written the software...

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  • How to tell from what Ubuntu or Debian repository a package comes?

    - by gotgenes
    On a Debian-based system, including Ubuntu, how can one tell which repository a package will be downloaded from, without actually beginning the download? aptitude show and apt-cache info will show the section (e.g., metapackage, base, graphics), but not the repository to which a package belongs (e.g., http://ppa.launchpad.net/mactel-support/ppa/ubuntu or http://us.archive.ubuntu.com/ubuntu/). When installing the package, the actual repository appears during the download (it is printed out in the "downloading from ..." output from apt and similar programs), but how can one obtain information on the repository containing the package (or a specific version of a package) without downloading and installing it first? Additionally, how can one determine the source repository for a package that is already installed?

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  • Limit number of concurrent user logins in Windows Server 2008 Active Directory

    - by smhnaji
    Is there the possibility to limit Active Directory users' max concurrent login sessions? I've read many articles and discussions about the solution, but none of them seem to be working. Many had suggested UserLogin script that doesn't work in Windows Server 2008. Some other suggested CConnect that is not good enough. It's also very complicated. Some others have introduced UserLock that should be paid for. It's wondering that Windows Server 2003 DOES have the feature (wile as a third-party), but Windows Server 2008 doesn't have! One of the articles I've read: http://www.edugeek.net/forums/windows-server-2008-r2/61216-multiple-logins.html

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  • How do I permanently disable Linux's console screen saver, system-wide?

    - by raldi
    I've got an Ubuntu server that boots up in text mode. It rarely has a screen or keyboard attached to it, but when I do attach a screen, I usually have to attach a keyboard too, because the darn console mode screen saver will be on and I'll need to hit a key to see what's going on. I'm aware that the setterm command can disable this, but it's a per-session thing. How can I make it so the machine never ever blanks the screen in text mode, even when it's first booted up and sitting at the login prompt?

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  • What's Keeping My Computer Awake?

    - by phantomdata
    First the question; How do I figure out what is preventing my Windows 7 computer from going into sleep mode? Second; some background... I've been struggling with this for a few days and am utterly perplexed. I setup sleep mode on my Windows 7 PC a few weeks ago, and all was well. The PC would sleep as expected and I was snuggly in knowing that my computer was saving power and some wear and tear on the components (we'll leave the 'is it better to sleep' debate for another thread/day, please don't start it). Well, I noticed the other night that my system stopped ever going to sleep. I set the sleep time down to 1 minute and wandered fully away from the PC (ensuring that no errant mouse or keyboard movements would occur) and the PC never went to sleep. I've also observed this over longer intervals as well, such as overnight. I have sleep mode enabled, of course "multimedia settings - When Sharing Media" is set to allow the computer to sleep. "powercfg -lastwake" show nothing of interest, since it never goes to sleep and can't wake up. "powercfg /requests" shows 3 entries - all "[DRIVER] ?". I assume that 2 of these are my mouse and keyboard - as I've recently used them to run the powercfg command. I'm at a loss for the third though. I've unhooked all USB peripherals save for my keyboard and mouse. Wake on LAN is disabled in my BIOS. I know that you can disable all apps from waking/preventing sleep - but I want the ability to remain for those apps that do legitimately need to keep the system awake. So; does anyone know of a way to figure out what the 3rd phantom "[DRIVER] ?" is in powercfg /requests?

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  • VPN connection prevents the computer from sleeping - can I avoid that ?

    - by driis
    Most of the time, I need to have an active VPN connection when working from my home PC. I've discovered, that if the VPN is active, and I leave the computer, the computer does not go to sleep automatically, as it should. If i disconnect VPN, it works. Why is that ? How can I ensure that my PC can go into sleep mode automatically even with the VPN connection on ?

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  • About memory cache of Linux

    - by cheneydeng
    I'm running a python script to do some statistics and the actually memory which used is low,about 10%.And no other process cost more memory.However,when i use free -m and it shows that almost 95% memory has been used.The point is that my script should do a lot of read from files,so i wonder if there's any mechanism of Linux memory cache that caused the problem?echo 1 >> /proc/sys/vm/drop_caches works,but it seems manually.How can i reduce the memory cost and doesn't make a bad effect on reading files?

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  • PC has a mind of it's own.

    - by ULTRA_POROV
    When I put my PC into standby, sometimes it randomly awakes, scaring me and waking me up. What could be causing this. No it is not my mouse moving, it can only be powered back on by the power button. It's really strange.

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  • how to check if something is in the queue of torque?

    - by kloop
    I want to re-run some jobs that completed prematurely under torque. These jobs are run through .job scripts (using qsub). However, I don't want to re-run a job which is already in the queue. Given a script filename, how can I know whether it is already in torque's queue (using qstat?) or not? I prefer to do it programmatically, of course, so any oneliner that searches for a given script name would be great. I will note that I can grep submit_args in qstat -f, but I can't get it to display the whole script name when it is too long. This is crucial. EDIT: I managed to solve it using the following command: qstat -x | perl -pi -e 's/\<\//\n/g' | grep job$ | grep -v submit_args | perl -pi -e 's/Job_Id\>\<Job_Name\>//' works because all my scripts end in the string "job".

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