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• Which VMs are easier to install/configure and more performant?

  - by André Alçada Padez

  well, i hope this doesn't get categorized as a boating question, but it really is related to programming. I have windows XP, and i am going to have to have a VM running: Windows 7 Visual Studio 2008 Sql Server 2008 IIS 7 (8 in a little while) Wamp Photoshop CS5 etc... so i was wondering what should i use to be easier to install and configure, and best performance: Virtual Box or Microsoft's Virtual Machine? Thank you Well i tried Virtual Box, it's always crashing for some reason. I think i'm going to try Virtual PC, just to stick to an all Microsoft Solution.

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• Is it possible to convert striped logical volume to linear logical volume?

  - by JooMing

  I've a logical volume that is striped across three physical volumes. I had to move this logical volume to another physical volume. This worked nicely with pvmove command. However, I discovered later that the logical volume is still striped and now all three stripes are on the same physical volume. Is there any way to convert striped logical volumes to linear logical volumes? I'm using LVM2 on linux. I figured that the obvious possibility is to rename the striped logical volume, create a new linear logical volume, and then copy data over, but that requires taking the filesystem system offline for some time. Unfortunately, I can't do that before the next week. Is there any better alternative?

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• System Monitoring Redundancy

  - by Josh Brower

  I consult in a small business environment where I have two HyperV hosts (with <10 VMs) + a couple other servers. I recently had an issue where one of the HyperV hosts had a CPU issue and it came down, bringing most of my non-critical VMs with it, plus a free piece of software that I use for network & system monitoring and availability. Because of this, and the fact that iDRAC locked up to, I did not get any alerts about the crash. So I am wondering how I can (cheaply) get a redundant availability monitoring system in place--Is is as simple as running Nagios or Zenoss (or whatever) on two different HyperV hosts? It just seems like running more than one copy of Nagios/Zenoss/etc could be expensive and have high overhead. Thoughts? Thanks! -Josh

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• How do I keep multiple copies of Outlook in sync when using RPC over HTTP?

  - by Don

  I use Outlook 2007 at work with our Exchange 2003 server. I just setup my home system with Outlook 2007 so that I could use the RPC over HTTP to access Exchange without having to use a VPN. It works fine. I can get mail, send mail, etc. What it doesn't seem to be doing is staying in sync. For example, I read a few messages at home, moved them into different folders from the Inbox, etc. That all seemed fine. When I login to my work machine and look at the copy of Outlook there, the mail is still unread and nothing has been moved. Am I missing something simple here? I would have to assume that my home machine should be telling Exchange where these messages belong and that they've been read. Both machines are running Windows 7, if that matters. Ideas?

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• Sending UDP/514 data magically appears in syslog without rsyslog running

  - by ale

  I’m using a programming language without a library to log to rsyslog over UDP. I thought I was going to need to write a library but I discovered something weird. If I send data on UDP/514 with the port open on the server then the data appears in the server’s syslog. rsyslogd isn’t running so syslog isn’t doing this. Data doesn’t get formatted into a syslog message so rsyslogd really isn’t doing this (only raw text enters syslog). Linux must see the data coming in on this port and know that it should go into /var/log/messages? If I do the same on another port (e.g. UDP/515) then nothing appears in the log! What is doing this? Some CentOS feature? The kernel?

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• Convert color photos of documents to good black-and-white images?

  - by Norman Ramsey

  Since I don't have a copier or scanner, I'm using an 8 megapixel camera to copy documents. This works pretty well except they need a lot of processing afterward. I'd like to get from a photo to a bitmap, but using djpeg -grayscale -pnm photo.jpg | pgmtopbm -threshold -value XXX does not work so well, for two reasons: It's hard to guess what XXX should be, and XXX is different for different photos. Illumination varies, and sometimes a single threshold isn't what's right for the image. How can I do better? The ideal solution will be fully automatic command-line program that I can run on Linux. (I have already written a program to remove dark pixels from the edges of images.)

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• I can't remove a background image in Powerpoint 2007

  - by computergeek

  Hello Everyone! I have a Powerpoint 2007 document. There is this annoying background graphic in my Powerpoint slide. I know about slide master, but this little bugger is not something that I can delete from slide master. Argh!!!! The graphic is a little pumpkin at the bottom of the slide and my company logo at the top. http://www.violetonresumes.com/HelpMeRemoveThisGraphic.pptx Here is a copy of the document. I've already lost two hours of my life on this one. Any help would be greatly appreciated. Cheers

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• DBD::mysql gives mysql_init not found

  - by highBandWidth

  I have to install a non-admin copy of mysql and perl module DBD::mysql in my home directory. I installed mysql in ~/software/db/mysql and this works since I can start and stop the server and go to the mysql prompt. Then, I downloaded the perl module and installed it using perl Makefile.PL PREFIX=~/myperl/ LIB=~/myperl/lib/lib64/perl5/ --mysql_config=/my_home/software/db/mysql/bin/mysql_config --libs=/myhome/software/db/mysql/lib/libmysqlclient.a make make install I did this to use the statically linked mysql client library. perl -MDBD::mysql -e 1 gives no errors. However, when I actually try to use the module, I get /usr/bin/perl: symbol lookup error: /myhome/myperl/lib/lib64/perl5/x86_64-linux-thread-multi/auto/DBD/mysql/mysql.so: undefined symbol: mysql_init

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• Multiple test Active Directory envirovments hand in hand with production domain controllers

  - by MadBoy

  What's the best approach of having multiple test environments next to production one? We have multiple programming teams that build solutions that use Active Directory very often. We have tried different approaches, starting with their own domain controllers (in same subnet), or additional OU's in our production AD that the team gets control over and can create/delete accounts within that one OU. We thought of possible 4 solutions: Setting up separate OU's in ou production env. Creating subdomains for our contoso.com domain like test.contoso.com, something.contoso.com and delegating control to the teams (would we need additional DC's or the two that we have already would be enough to hold this? Setting up additional test domain controler that has a trust to our main domain and all teams can use the test domain controler as they please. Setting up single domain controller for every team/project. We're taking in consideration amount of resources needed, security (for example having multiple domain controlers with multiple passwords may lead users to use simpler passwords) and overall best practices for this scenario.

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• How to convert a mpeg4-aac video to mpeg-ts using MEncoder?

  - by Mahendra Liya

  Hello, I know this can be done using FFMpeg and I have done it. The only problem here was that FFMpeg actually tries to "encode" the file while converting to mpeg-ts which I don't want. i.e. I just want to change the container format to mpeg-ts without encoding the media. Is this type of conversion possible with FFMpeg? (I know about "copy" option, but it works with H264-aac and not with mpeg4-aac). Is it possible to change mpeg4-aac to mpeg-ts container format with MEncoder? I wish to know the personal opinion/advice of those who have already worked on such stuff. Thanks in advance.

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• Empty track in Windows Media Player 12 that can't be deleted

  - by David Brown

  Right after I installed a fresh copy of Windows 7, I synced with my DropBox account that contains all of my music and added the directory to Windows Media Player 12. I now have a strange track that really isn't a track at all. It's grouped under "Unknown Artist" and has absolutely no text. The only reason I know it's there is because it highlights on mouse-over. Double-clicking on it does nothing. When the song before it ends, Windows Media Player stops playing altogether until I choose a different song (it should continue to play the next song on its own). When I try to delete this mysterious track, nothing happens. I've cleared my library and re-imported everything, but this empty track keeps appearing. I have also checked my Music directory and there is no empty MP3. What is going on here?

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• Ubuntu 10.04: unable to login after fresh install

  - by Richard

  Hello All, I,ve just installed a fresh copy of Ubunutu 10.04, downloaded a couple of days ago. The installation seemed to go fine. However I can't log in: the login screen just seems to reset and asks me for my password again. It's not an authentication / incorrect password issue. If I stick in a wrong password, I get "Authentication failure". I've googled around, others report the same issue on the Ubuntu forums, but there doesn't seem to be a fix. Does anyone know of a work around or what the problem is? Have 9.10, I might end up just installing that instead. THanks

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• Fabric and cygwin don't work with windows UNC paths

  - by tcoopman

  I have some strange problems with fabric deployment to Windows Server 2008r2. The thing I try to accomplish is to copy some files to a shared folder with a fabric script (this script does a lot of other things too, but only this step gives me problems). This is the problem: When I try to access a UNC(Universal Naming convention) path I always get access denied kind of answers if I run the script in fabric. When I run the command in an ssh prompt (same user) it works fine. Examples: cmd: robocopy f:/.... //share result: in ssh this works fine, in fabric I get "Logon failure: the user has not been granted the requested logon type aat this computer." cmd: cd //share result: in ssh this works fine, in fabric I get "//share: Not a directory" Further information: uname -a and whoami return exact the same thing in fabric and ssh. I also tried things like mount, net use, but these commands all have kind of the same problem.

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• Trigger ZFS dedup one-off scan/rededup

  - by Jake Wharton

  I have a ZFS filesystems which has been running for some time and I recently had the opportunity to upgrade it (finally!) to the latest ZSF version. Our data doesn't scream dedup but I firmly believe based on small tests that we could gain anywhere from 5-10% of our space back for free by utilizing it. I have enabled dedup on the filesystem and new files are slowly being dedupified but the majority (95%+) of our data already exists on the filesystem. Short of moving the data off-pool and then recopying it back, is there any way to trigger a dedup scan of existing data? It doesn't have to be asynchronous or live. (And FYI there isn't enough room on the pool to copy the entire filesystem to another and then just switch the mounts.)

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• Automatic Excel Script

  - by Thomas

  I am a 6th year medical student and I'm working on my thesis. I have no experience with programming whatsoever, a friend recommended me to post my question here. I am strugling with the following problem: I have data of 400 patients, stored in 400 different excel files. Each file contains 34 columns in a specific order, let's say A to Z. The order is the same in each of these 400 files. Now I need to a make a new excel document that contains the first column of each patient. So I need all the first columns of my 400 different excel files, lined up next to each other in a new document. Preferebally in the form of a automatic script. After that I want to do the exact same thing but for the second column, then the third and so on. This is probably a problem that has already been solved. Otherwise could someone help me out? You have my thanks!

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• How to determine which source files are required for an Eclipse run configuration

  - by isme

  When writing code in an Eclipse project, I'm usually quite messy and undisciplined in how I create and organize my classes, at least in the early hacky and experimental stages. In particular, I create more than one class with a main method for testing different ideas that share most of the same classes. If I come up with something like a useful app, I can export it to a runnable jar so I can share it with friends. But this simply packs up the whole project, which can become several megabytes big if I'm relying on large library such as httpclient. Also, if I decide to refactor my lump of code into several projects once I work out what works, and I can't remember which source files are used in a particular run configuration, all I can do it copy the main class to a new project and then keep copying missing types till the new project compiles. Is there a way in Eclipse to determine which classes are actually used in a particular run configuration?

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• Automatic LaTex document generation from Excel spreadsheet

  - by Bowler

  I have some data in an excel file from which I have to generate a report. I repeat this task fairly regularly and am looking to automate it. I have a LaTeX project into which I usually just copy data by hand, export the necessary worksheets as pdfs and add them to my LaTeX project and compile with pdflatex. It has occured to me that there must be a way to automate this process. Is there an efficient way to export the data from excel and into a LaTeX project, possibly a vba script in excel could run the process? Also, it doesn't have to be LaTeX, I'm not all that experienced with MS office's more advanced features is there some way akin to a mail merge that I could achieve this with? In some ways this might be better in case I have to pass the work on to someone who doesn't know LaTeX. Thanks.

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• Looking for a free or open-source burner emulator [closed]

  - by Jared Harley

  Possible Duplicate: Virtual CDR driver I am looking for a free or open-source virtual CD/DVD emulator to run in a Windows environment. What I want is similar to what SlySoft's Virtual Clone Drive or Daemon Tools provides, but the emulated drive needs to be a burner of some type. The burner should be able to save disc images (.iso, .ccd, etc) to my harddrive - basically, the same as if I burned the files to a CD-R, and then ripped them back to a disc image. I have already looked around some and come across 2 - DVD neXt COPY iTurns and NoteBurner M4P. Both of these programs create a virtual CD-RW drive, but they are integrated into their product (for burning from iTunes to create mp3 files) and cannot create disc images. I am currently writing a piece of software that will have the capability to burn disc images onto CDs/DVDs, and I don't want to end up with a 100 coasters while I'm testing my software. Anyone have any ideas? Related ServerFault queston: Create netbook recovery image without DVD burner (virtual burner?)

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• My computer resets when i try to install Windows 7 (USB/DVD)

  - by Ranhiru

  I had a troublesome software starting up when Windows 7 was starting and i had no way to remove it because i couldn't log in to Windows. Not even safe mode. But i used Hiren's Boot CD to edit the registry to stop that software from starting up... But my efforts were not useful as Windows kept on going to an ultimate freeze just before the login screen should have been shown. And just freezes and I cannot do anything. So i decided heck with it and i now want to format the disk and reinstall a fresh copy of Windows 7. But now regardless of USB or DVD i use to boot the setup, it loads fine till you see the animating Windows and it just resets the laptop! Just plain resets! Hiren's Boot CD and Mini XP, strange enough but still works :( Any ideas what might be causing the laptop to reset in Windows 7 setup?

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• Is there an Alternative to TextMate's mate and rmate for Windows?

  - by TiernanO

  As part of the upcoming TextMate 2 release, there will be a new feature called rmate, which will allow you to edit files from a remote machine (Linux/Unix/OSX) via SSH using your local copy of TextMate... Is there something similar for Windows? I know i could use CyberDuck, find the file i want to edit, download locally, work on it and then re-upload, but rmate looks like you just type rmate on the remote server, and text mate pops up with the file. (i have not tried since i am not a TextMate owner) Is there something similar for Windows?

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• options' default values of autoconf ./configure scripts

  - by hamstergene

  Having run ./configure --help there is a list of options that can be tweaked in the future build, for example --enable-luajit Enable LuaJit Support --disable-env clearing/setting of ENV vars Though any option can be used with enable and disable prefix, some are presented as --enable-me and other as --disable-me in the help output. Is this supposed to hint me of default values, and if yes, how do I to figure them out? Because either way makes sense to me: luajit is disabled by default and therefore it is presented as --enable-luajit so I can enable it by conveniently copy-pasting it from help output to command line. being listed with --enable in help output indicates that luajit is enabled by default.

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• chmod -R 777 /. - RHEL 5.5

  - by user1263746

  A shell script testing went bad and it issued chmod -R 777 /. to the system, instead of chmod -R 777 ./ and as expected it wiped the critical meta data. We have turned off the system and it will not function properly the next time it is turned on. I am told that rpm --setperms -a rpm --setugids -a should atleast fix the permission of the packages maintained by rpm. Is it worth doing? And is there any script available which will copy the permission from an identical system? To atleast get the box working. The Box is running RHEL5.5 Thanks!

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• Script to Change Pronunciations on Mac

  - by user106990

  So I've been looking around on how to change how my mac says things, I have found my answer but what I need is some help with the coding. Here is what I want to do: Create a list of word pairs. Create a script that substitutes words in its parameter list according to your word-pairs list, and passes the modified parameter list to "/usr/bin/say". I This is a quick copy of http://superuser.com/q/170041/106990 and I have very little coding know how and would like some help. I don't care in what language. Any help would be really appreciated. Thanks in advanced.

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• What is the safest and least expensive way to store 10 terabytes of data?

  - by Josh T

  I'm a member of a production company and we're preparing for our first feature film. We've been discussing methods of data storage to keep all of our original content safe (for as long as possible). While we understand data is never 100% safe, we'd like to find the safest solution for us. We've considered: 16TB NAS for on-site storage 4-5 2TB hard drives (cheap, but not redundant), copy original footage to drives then seal in static free bag Burn data to Blu-Ray disks (time consuming and expensive: 200 disks == $5000) Tape drive(s)? I know the least about tape drives, except the fact that they're more reliable than disks. Any experience/knowledge with this amount of data is hugely appreciated.

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• Downloading videos from a flash website

  - by Mimi

  There are those plugins that can capture flash videos from websites like Youtube and others. There's also the browsing cache which keeps the videos and I can copy them somewhere else and have them stored on my computer. I know of these, but how can I download a video from a website that (I think) is all flash because the address doesn't change wherever you navigate to and so it stays the same when you play a video that's on the website? No plugin I've tried (realplayer, ant video downloadr, IDM) have worked with it and nothing gets cached from that website.

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