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  • How can I create a copy of a vm in vSphere Client running on ESXi 4.0?

    - by user37860
    I'd like to create copies of the VMs located on my datastore that I can put up temporarily on a different server while I perform some maintenance on our main virtualization server. Aside from using the Converter utility (which I don't believe I can use with the Linux machines) is there a way to make copies of these machines? It would make my life a lot easier. Thanks!

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  • Which is a better use of my SSD Drive [on hold]

    - by RS Conley
    I have the choice of setting up a system with two SSD Drives in Raid 1 mode as my boot drive for Windows 7 64-bit. With the Program Files and User Folders moved to a Second regular HD Drive also configured using Raid 1. Or Setup a single SSD Drive (120 GB or 256 gb) as a cache Drive using Intel Rapid Storage Technology combined with two normal hard drives configured as Raid 1. Which setup would have the faster hard drive performance over the life of the computer?

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  • Running Radius on a Novell Backbone

    - by YsoL8
    Hello I am a rookie network engineer and I've been asked to create a secure wireless system intergrated with an existing network. So far I'd decided to use 802.1x secuity with a Radius enabled server over a Novell backbone. My question is: does Novell still support this type of server setup? I heard rumours it is at the end of it's supported life and I'd like some confirmation. Also can I get some recommendations on better backbone / server providers. Cheers

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  • Single machine domain with Windows 7 OS

    - by Robert Koritnik
    Is it possible to setup one single machine with Windows 7 x64 OS and somehow make it work as if it's part of a certain domain? So domain controller would be simulated in some way? I would like to avoid VMs and make it actually work on one machine with non server OS. Is there even a simpler way of doing it? Why: I have to setup development environment for Sharepoint 2010 and it will make my life much easier if my machine would be part of a domain.

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  • Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

    - by tharrison
    I need a static IP address that handles SSL traffic from a known source (a partner). Our servers are behind an AWS Elastic Load Balancer (ELB), which cannot provide a static IP address; many threads about this here. My thought is to create an instance in EC2 whose sole purpose in life is to be a reverse proxy server having it's own IP address; accepting HTTPS requests and forwarding them to the load balancer. Are there better solutions?

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  • WordPress-based ticketing systems?

    - by CarlF
    I have been asked to set up a ticketing/help desk system for a small nonprofit. Our server runs Debian GNU/Linux. Because we already have WordPress installed and plan to exploit it heavily going forward, I'm wondering whether there are any WP-based ticketing systems. Obviously, it will simplify the admin's life to have less software installed on the server. Thanks.

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  • shortcut for Eventvwr > Connect to another computer

    - by Peter
    I was wondering if you can write the following action in a batch command? eventvwr (open the event viewer) Menu Action Connect to another computer Type in the name of the computer. Connect. This would make my life just a few minutes/day more efficient ;-) Update As we've just upgraded to Windows 7 and I needed a new solution, it seems to be possible like this: %windir%\system32\eventvwr.exe targethostname

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  • Are there any well known anti-patterns in the field of system administration?

    - by ojblass
    I know a few common patterns that seem to bedevil nearly every project at some point in its life cycle: Inability to take outages Third party components locking out upgrades Non uniform environments Lack of monitoring and alerting Missing redundancy Lack of Capacity Poor Change Management Too liberal or tight access policies Organizational changes adversely blur infrastructure ownership I was hoping there is some well articulated library of these anti-patterns summarized in a book or web site. I am almost positive that many organizations are learning through trial by fire methods. If not let's start one.

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  • .screenrc - multiple regions on launch

    - by Rob B
    I know it's possible, but I can't for the life of me figure out how, to launch screen with one window in split region mode? ie: I have screen set to open multiple windows on launch, but want window 0 to be split into two regions with an application running in each region

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  • Exchange-Server Query

    - by Rudi Kershaw
    First, a little background. I've recently been taken on as a web and software developer for a small company, who has no other in-house IT support. They've been asking my opinion on lots of IT subjects that are quite far out of my comfort zone. I'm definitely not a network admin. Their IT consultancy contractor is pushing them to upgrade their dedicated exchange server, even though it seems like the one they currently have has a lot of life left in it and is running problem free. They say it's "coming to the natural end of it's life". They want to install a monster with a Xeon E5-2420, 32GB RAM, 2x 1TB HDDs, Windows Server 2012 and Microsoft Exchange 2010. They want to charge a small fortune for it. Basically, this system seems massively over the top seeing as it won't be doing anything else other than running as an exchange server for a company with less than 25 email accounts. My employers also have a file server system in-house that hosts three web apps, an SQL server, their local domain, print server and shared folders. That machine is using the same specs as the proposed new one, and it is barely using any of it's potential. I asked if Microsoft Exchange 2010 could be installed on their file server, but they said that MS Exchange can't run on the same system as an SQL server because for some reason they will eat up each others resources (even though the SQL server isn't touching 1% of the current system's CPU or RAM). My question is really, are they trying to rip my employers off? Could MS Exchange be installed on their other server (on a virtual instance or not), or does the old one even need replacing at all? Going with their current suggestion will cost the company in excess of £6k, and it seems entirely unnecessary. I apologies, because I know this is probably a little thin on details, but if I carry on I could end up writing a massive essay that no-one will want to read. I've been doing my research, but I'm not knowledgeable enough make any hard decisions. Let me know if you need any more details. Thank you for any help you can offer. Further Details: The new exchange would need to support Outlook Web App, 25 users, a few public mailboxes, and email exchange with Blackberries.

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  • Wrap app with dynamic libraries into one large static app

    - by progo
    I have an old program that kind of depends on older dynamic libraries. They tend to get upgraded easily with distro's updates. I figured that there would be a script with using ldd that would gather the libs needed and create one bigger, statically linked application that wouldn't break so easily. If I could do this, alot of older KDE libraries could be removed from my system and easen my life. Thanks!

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  • How do I turn on basic HTTP-auth for a page in jboss?

    - by Electrons_Ahoy
    I'm setting up a jboss server for testing some java code that talks to http servers. That's pretty easy. However one of the things I'm testing is interfacing with classic "old-school" HTTP-Auth protected pages, and for the life of me I can't figure out how to turn that on in jboss (and my google-fu seems to have let me down.) So, how do I add a basic username and password to a single html (or jsp) file in jboss using http Basic Access Authentication?

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  • Cost of running colour laser printers.

    - by Ian Ringrose
    Has anyone got a good list of the costs of running colour laser printers, both for colour and black that take into account different usage volumes. E.g if the dram needs replacing after 20,000 pages, but I am only do 10,000 in the next 3 years, I don’t care about the cost of a new dram. So a simple “cost per page” figure is each printer is not good enough to be useful in real life. (A spread sheet / website that I could type my own usage values into would be great.)

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  • Skype + webcam recommendations

    - by jamie
    I'm looking for a webcam for use with Skype which has a built in microphone. I specifically want to be able to use the microphone in the camera when i'm taking calls which aren't video calls on skype. Are they any that do this? Does the microsoft H5D Life Camera do this? The operating environment is windows 7 64 bit.

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  • How to get the Vista taskbar to span multiple monitors?

    - by NoCarrier
    I can't for the life of me get the vista taskbar to span multiple monitors. I've searched and looked far and wide, and alas the only pseudo-solution i can find is Ultra-Mon, but a) it doesn't quite look the same and b) i don't want to have to pay for something that Windows really ought to be able to do out of the box. Does anyone have a solution for this? Will this get addressed in Windows 7?

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  • Rewrite rules for Drupal Boost with Lighttpd

    - by bsdjunkie
    I have been given the super task of preparing a web site to get hammered.... Or site is drupal based, I have found what could be my answer in the form of Boost. But I can't for the life of me find any information on the Lighttpd rewrite rules to make it function. All suggestion welcome! Thanks

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  • How it was detected if last ACK lost in TCP connection termination procedure?

    - by sonali
    In TCP Connection Termination, when client enters in TIME_WAIT state means the client waits for a period of time equal to double the maximum segment life (MSL) time, to ensure the ACK it sent was received. (I read above from a book computer networking by kurose and also given in following URL http://www.tcpipguide.com/free/t_TCPConnectionTermination-2.htm ) But how it was detected if last ACK(send by client as a response to server FIN) lost?

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  • SFTP "Could not connect to server error"

    - by Ash
    I'm having problems connecting to my server via SFTP. I can SSH in to the system perfectly fine, but for some odd reason, i'm not able to SFTP (which I used to be able to). I have cleared ALL my iptables rules iptables -F still no access. I have removed the sub system (to allow FULL access) still no access. I can't for the life of me figure out what the problem is. Thus is therefore making a solution impossible.

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  • How do I find a bigger battery for my laptop?

    - by KeyStroke
    Hi, I have an ASUS K42JR laptop, and the battery life in this thing sucks (2 hours max). I'd like to get a bigger battery for it, and I've found a bunch online, but I have no idea which one fits/works with my laptop. Any idea how I can find that out? and which site do you recommend I buy it from? Your help is much appreciated

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  • Quick method to determine SSD drive health?

    - by ewwhite
    I have an Intel X-25M drive that was marked "failed" twice in a ZFS storage array, as noted here. However, after removing the drive, it seems to to mount, read and write in other computers (Mac, PC, USB enclosure, etc.) Is there a good way to determine the drive's present health? I feel that the previous failure in the ZFS solution was the convergence of bugs, bad error reporting and hardware. It seems like this drive may have some life in it, though.

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  • Scala n00b: Critique my code

    - by Peter
    G'day everyone, I'm a Scala n00b (but am experienced with other languages) and am learning the language as I find time - very much enjoying it so far! Usually when learning a new language the first thing I do is implement Conway's Game of Life, since it's just complex enough to give a good sense of the language, but small enough in scope to be able to whip up in a couple of hours (most of which is spent wrestling with syntax). Anyhoo, having gone through this exercise with Scala I was hoping the Scala gurus out there might take a look at the code I've ended up with and provide feedback on it. I'm after anything - algorithmic improvements (particularly concurrent solutions!), stylistic improvements, alternative APIs or language constructs, disgust at the length of my function names - whatever feedback you've got, I'm keen to hear it! You should be able to run the following script via "scala GameOfLife.scala" - by default it will run a 20x20 board with a single glider on it - please feel free to experiment. // CONWAY'S GAME OF LIFE (SCALA) abstract class GameOfLifeBoard(val aliveCells : Set[Tuple2[Int, Int]]) { // Executes a "time tick" - returns a new board containing the next generation def tick : GameOfLifeBoard // Is the board empty? def empty : Boolean = aliveCells.size == 0 // Is the given cell alive? protected def alive(cell : Tuple2[Int, Int]) : Boolean = aliveCells contains cell // Is the given cell dead? protected def dead(cell : Tuple2[Int, Int]) : Boolean = !alive(cell) } class InfiniteGameOfLifeBoard(aliveCells : Set[Tuple2[Int, Int]]) extends GameOfLifeBoard(aliveCells) { // Executes a "time tick" - returns a new board containing the next generation override def tick : GameOfLifeBoard = new InfiniteGameOfLifeBoard(nextGeneration) // The next generation of this board protected def nextGeneration : Set[Tuple2[Int, Int]] = aliveCells flatMap neighbours filter shouldCellLiveInNextGeneration // Should the given cell should live in the next generation? protected def shouldCellLiveInNextGeneration(cell : Tuple2[Int, Int]) : Boolean = (alive(cell) && (numberOfAliveNeighbours(cell) == 2 || numberOfAliveNeighbours(cell) == 3)) || (dead(cell) && numberOfAliveNeighbours(cell) == 3) // The number of alive neighbours for the given cell protected def numberOfAliveNeighbours(cell : Tuple2[Int, Int]) : Int = aliveNeighbours(cell) size // Returns the alive neighbours for the given cell protected def aliveNeighbours(cell : Tuple2[Int, Int]) : Set[Tuple2[Int, Int]] = aliveCells intersect neighbours(cell) // Returns all neighbours (whether dead or alive) for the given cell protected def neighbours(cell : Tuple2[Int, Int]) : Set[Tuple2[Int, Int]] = Set((cell._1-1, cell._2-1), (cell._1, cell._2-1), (cell._1+1, cell._2-1), (cell._1-1, cell._2), (cell._1+1, cell._2), (cell._1-1, cell._2+1), (cell._1, cell._2+1), (cell._1+1, cell._2+1)) // Information on where the currently live cells are protected def xVals = aliveCells map { cell => cell._1 } protected def xMin = (xVals reduceLeft (_ min _)) - 1 protected def xMax = (xVals reduceLeft (_ max _)) + 1 protected def xRange = xMin until xMax + 1 protected def yVals = aliveCells map { cell => cell._2 } protected def yMin = (yVals reduceLeft (_ min _)) - 1 protected def yMax = (yVals reduceLeft (_ max _)) + 1 protected def yRange = yMin until yMax + 1 // Returns a simple graphical representation of this board override def toString : String = { var result = "" for (y <- yRange) { for (x <- xRange) { if (alive (x,y)) result += "# " else result += ". " } result += "\n" } result } // Equality stuff override def equals(other : Any) : Boolean = { other match { case that : InfiniteGameOfLifeBoard => (that canEqual this) && that.aliveCells == this.aliveCells case _ => false } } def canEqual(other : Any) : Boolean = other.isInstanceOf[InfiniteGameOfLifeBoard] override def hashCode = aliveCells.hashCode } class FiniteGameOfLifeBoard(val boardWidth : Int, val boardHeight : Int, aliveCells : Set[Tuple2[Int, Int]]) extends InfiniteGameOfLifeBoard(aliveCells) { override def tick : GameOfLifeBoard = new FiniteGameOfLifeBoard(boardWidth, boardHeight, nextGeneration) // Determines the coordinates of all of the neighbours of the given cell override protected def neighbours(cell : Tuple2[Int, Int]) : Set[Tuple2[Int, Int]] = super.neighbours(cell) filter { cell => cell._1 >= 0 && cell._1 < boardWidth && cell._2 >= 0 && cell._2 < boardHeight } // Information on where the currently live cells are override protected def xRange = 0 until boardWidth override protected def yRange = 0 until boardHeight // Equality stuff override def equals(other : Any) : Boolean = { other match { case that : FiniteGameOfLifeBoard => (that canEqual this) && that.boardWidth == this.boardWidth && that.boardHeight == this.boardHeight && that.aliveCells == this.aliveCells case _ => false } } override def canEqual(other : Any) : Boolean = other.isInstanceOf[FiniteGameOfLifeBoard] override def hashCode : Int = { 41 * ( 41 * ( 41 + super.hashCode ) + boardHeight.hashCode ) + boardWidth.hashCode } } class GameOfLife(initialBoard: GameOfLifeBoard) { // Run the game of life until the board is empty or the exact same board is seen twice // Important note: this method does NOT necessarily terminate!! def go : Unit = { var currentBoard = initialBoard var previousBoards = List[GameOfLifeBoard]() while (!currentBoard.empty && !(previousBoards contains currentBoard)) { print(27.toChar + "[2J") // ANSI: clear screen print(27.toChar + "[;H") // ANSI: move cursor to top left corner of screen println(currentBoard.toString) Thread.sleep(75) // Warning: unbounded list concatenation can result in OutOfMemoryExceptions ####TODO: replace with LRU bounded list previousBoards = List(currentBoard) ::: previousBoards currentBoard = currentBoard tick } // Print the final board print(27.toChar + "[2J") // ANSI: clear screen print(27.toChar + "[;H") // ANSI: move cursor to top left corner of screen println(currentBoard.toString) } } // Script starts here val simple = Set((1,1)) val square = Set((4,4), (4,5), (5,4), (5,5)) val glider = Set((2,1), (3,2), (1,3), (2,3), (3,3)) val initialBoard = glider (new GameOfLife(new FiniteGameOfLifeBoard(20, 20, initialBoard))).go //(new GameOfLife(new InfiniteGameOfLifeBoard(initialBoard))).go // COPYRIGHT PETER MONKS 2010 Thanks! Peter

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