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• How can I monitor ports on Windows?

  - by Olav

  What is the simplest way on "local" (1*) Windows, for known ports, to: Find out if it is used. Find out as much as possible about what is behind the port. Find out as much as possible about traffic through the port. Find out if something else is interfering with the port and traffic to it. I have used Fiddler in the past, but I think that's mostly HTTP? I don't if Wire-shark does more? I think there is a tool closely integrated with Windows? Which one? (5). I am looking at NMap, but its seems to be more a suite of tools, and a high entry level. 1*: Primarily this is for what happens inside my Windows Machine, but if necessary, I can for example use a VM, or the wireless connection.

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• Make Chrome always open PDFs itself

  - by jdm

  Hi, I'm looking for a way to make Google Chrome always open PDFs with its internal viewer when I click a link, as opposed to downloading it to the default location. It works with most URLs, but some servers set a special header to force the file to be downloaded ("Content-Disposition: attachment;", e.g. http://www.uni-goettingen.de/en/46260.html). What I want is the opposite of this question: Stop PDFs from displaying inside Google Chrome, or what is asked for here, but applied to Chrome: How to ignore “Content-Disposition: attachment” in Firefox Btw., I'm running Chrome 8.0.552.0 dev on Ubuntu 10.4.

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• Why is heap size fixed on JVMs?

  - by themel

  Can anyone explain to me why JVMs (I didn't check too many, but I've never seen one that didn't do it that way) need to run on a fixed heap size? I know it's easier to implement on a simple contiguous heap, but the Sun JVM is now over a decade old, so I'd expect them to have had time to improve this. Needing to define the maximum memory size of your program at startup time seems such a 1960s thing to do, and then there are the bad interactions with OS virtual memory management (GC retrieving swapped out data, inability to determine how much memory the Java process is really using from the OS side, huge amounts of VM space wasted (I know, you don't care on your fancy 48bit machines...)). I also guess that the various sad attempts to build small operating systems inside the JVM (EE application servers, OSGi) are at least partially to blame on this circumstance, because running multiple Java processes on a system invariably leads to wasted resources because you have to give each of them the memory it might have to use at peak. Surprisingly, Google didn't yield the storms of outrage over this that I would expect, but they may just have been buried under the millions of people finding out about fixed heap size and just accepting it for a fact.

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• How to move a selcection of files into a new folder via the right click menu?

  - by LinuxDudester

  I recently switch from OSX to Xubuntu 14.04 and I'm loving my new found freedom. For the most part I've managed to customize my Linux operating system to my needs and likes. But theres one feature I'm missing the most. I need to toss a bunch of items in a folder really fast, since I am working with lots of images and text files. In OS X there was a nifty shortcut that manages the operation in one fell swoop so you don't have to make a folder and then take further action to populate it. All I needed to is to select the items I want in the Finder (file manager), right-click on them to bring up OS X's contextual menu, and choose the first option: New Folder with Selection. The Finder will then create a new folder with those items stored safely inside, removing at least one step from the process for you automatically. Super easy! Now I was wondering how can I do this in Linux? Or most importantly in Xubuntu? Any help would be greatly appreciated!

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• Setting nagios location in map

  - by Mech Software

  I have Nagios installed and I'm working on getting the network map correct. The problem I have is that "Nagios" appears to be in the "internet" when it should be located on the MechNAS server. What I want is Nagios Process to show up inside the local network. So it should show up at the same layer as MechNAS and development. Where exactly is that configured? I didnt see any place to set that up and it looks now like it's out there on it's own. Documentation and Googling didnt seem to turn up anything either.

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• Remote Destkop into Server 2008R2 with Firewall On

  - by Eternal21

  I've got a fresh install of Remove Server 2008 R2, 64 bit. The problem is I can't Remote Destkop into it. I clicked 'Enable Remote Desktop' inside 'Initial Configuration Tasks', and set it to: Allow connections only from computers running Remote Destkop with Network Level Authentication (more secure). The thing is, this used to work just fine, and then it stopped. The only way I can get it to work now is if I turn of Windows Firewall completely off (Public network location settings). Obviously I don't want to run the server with firewall off, so what specific settings in Firewall do I need to disable, or am I doing something wrong?

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• How to not startx in hosted inux CentOS 5.5 ,and how to make full screen

  - by user61104

  Hello all Im beginner to VMWare player , im using CentOS 5.5 as the virtual OS and installed the VMWare Player in windows xp 32 bit And its working great , but when I like to start the GNUME gui to use x server its starting the GUI desktop right inside the VMWare server I like it just to start , and I will connect form out side ( for example with xming x server ) how can I do that ? Second question is how can I make the VMWare server with the GUI display to be full screen on my desktop ? Now when I resize the window its getting full screen but the Linux main window remain centered and small . and I like it to stretch full screen

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• Merge Two Folders To Act As One (Software Raid 0?)

  - by Dboy1612

  Using Windows 7, I'm trying to setup what I've come to call a "Software Raid of Folders", not completely sure it's the right term, but I'm sure anyone who knows the true term will understand what I'm getting at. I have two folders, on two seperate harddrive, I would like to "merge" these folders while keeping them on seperate harddrive so they act as one folder. Example: Music and Videos are to be merged together to a new folder called "Merged" Music runs off of Harddrive 1 Videos runs off of Harddrive 2 Anything new saved inside Merged is saved within Videos that runs off of Harddrive 2 Now you see how I came up with the term "Software Raid", it's like an average RAID 0 setup, but instead I want to do it with just two specific folders on two different drives within Windows. Any help on this is apprecieated!

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• How to move your focus out of the text?

  - by Aerovistae

  I've got a PDF open in Acrobat. I like to scroll the "standard" way, where I can press the arrow key up to go up by a line or two, and the arrow key down for the opposite. But sometimes I accidentally click the text, and then suddenly the arrow keys control moving the cursor around inside the page instead, so I have to hold it down and move the cursor all the way to the bottom of the page before it'll start scrolling the page down, and then all the way back up if I want to go up again. I can't find any way to move focus out of the text once I've clicked it. I actually have to close Acrobat and reopen the PDF. It's kind of amazing. Solutions?

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• Need to call a script at logon based on hostname. Win 2k3 Domain and XP/7 workstations.

  - by Malocchio

  I have a user logon script. I want to install printers based on hostname. Inside this folder \domain.local\SYSVOL\domain.local\Policies{DF3F608C-8D78-934F-B79F-1965F3C4409B}\User\Scripts\Logon I have cmd files for each host/workstation and the logon.cmd. Terminal Servers are honoring the environment variable %clientname% but the workstations are not. Relevant area of logon.cmd rem Delete all existing printer connections c:\windows\system32\con2prt.exe /f rem Call workstation specific script for connecting to printers %clientname%.cmd Excerpt from clientname.cmdL: rundll32 printui,PrintUIEntry /in /n\\fileserv\PhaserPS rundll32 printui,PrintUIEntry /in /n\\fileserv\CanonIR rundll32 printui,PrintUIEntry /y /n\\fileserv\CanonIR

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• SHOPPYBAG virus

  - by Sysadmin Evstar

  I am curious -- when the ShoppyBag virus gets sent to you from a compromised "friend", inside the message is a secret one-pixel IMG unique to your email address --- and when your GMail message pulls up the message and the IMG is loaded from their server and displayed, their server knows you have read the message. At that moment, does it then grab your Gmail address book, the Flash Cookies, and all the Local Shared Objects it can find, i.e. at the instant you READ the message with the ShoppyBag virus, is it already too late? Do you have to Delete it to the Trash , then Delete Forever it , without reading it to be safe?

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• How do I apply an arcball (using quaternions) along with mouse events, to allow the user to look around the screen using the o3d webgl framework?

  - by Chris

  How do I apply an arcball (using quaternions) along with mouse events, to allow the user to look around the screen using the o3d webgl framework? This sample (http://code.google.com/p/o3d/source/browse/trunk/samples_webgl/o3d-webgl-samples/simpleviewer/simpleviewer.html?r=215) uses the arcball for rotating the transform of an "object", but rather than apply this to a transform, I would like to apply the rotation to the camera's target, to create a first person style ability to look around the scene, as if the camera is inside the centre of the arcball instead of rotating from the outside. The code that is used in this sample is var rotationQuat = g_aball.drag([e.x, e.y]); var rot_mat = g_quaternions.quaternionToRotation(rotationQuat); g_thisRot = g_math.matrix4.mul(g_lastRot, rot_mat); The code that I am using which doesn't work var rotationQuat = g_aball.drag([e.x, e.y]); var rot_mat = g_quaternions.quaternionToRotation(rotationQuat); g_thisRot = g_math.matrix4.mul(g_lastRot, rot_mat); var cameraRotationMatrix4 = g_math.matrix4.lookAt(g_eye, g_target, [g_up[0], g_up[1] * -1, g_up[2]]); var cameraRotation = g_math.matrix4.setUpper3x3(cameraRotationMatrix4,g_thisRot); g_target = g_math.addVector(cameraRotation, g_target); where am I going wrong? Thanks

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• Why are browsers so heavy?

  - by Kaivosukeltaja

  Back in 1998 I had a computer with 233MHz Pentium MMX CPU and a GFX card with no 3D acceleration. It was able to run games like Quake II at a decent FPS rate. My current computer has tons more performance and a mid-class GPU, yet struggles to reach 20 FPS when rendering a single model inside a skybox with WebGL. Even regular pages with lots of 2D CSS animations bring many modern computers to their metaphorical knees. As a web developer I understand there's a lot going on in a web page but not what makes it that heavy. Modern browsers compile JavaScript to CPU native machine code before running it and rendering into a canvas element shouldn't trigger DOM rebuilds so theoretically it should be a lot faster than it is. What am I missing here and is it possible to avoid or minimize whatever is making the browsers slow to build more efficient websites?

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• Rewrite 2 different directories with htaccess?

  - by jason

  I have a tricky problem (for me at least). I'm trying to rewrite / to a folder /webroot/www. I have some simple code and it works: RewriteRule ^$ /webroot/www/ [L] However at the same time if the URL starts with components, followed by anything else (ex. foo, as in /components/foo), and foo is an actual directory that exists inside components, I should rewrite to /components/foo/www instead. How can I achieve that? I can't seem to figure it out. I'm using Apache with .htaccess.

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• Live search/filter as you type in client approach

  - by Pinoniq

  As an exercise for myself to practice my JavaScript "skills" I'm trying to write a client-side filter. It should be able to filter "content blocks" as the user types. By "content block", I mean a list of DomElements that each contain at least one text node - it is possible that they contain more, and even a different amount of text nodes, nested inside other nodes, etc. I've thought of 2 approaches: On page initialization, scan all nodes and store all the text in some kind of Map or a tree. Simply iterate over every item and check whether it has the string to search/filter for. One could add performance here by caching, only filtering the current remaining items if text is added, etc. Obviously, if the number of nodes is really big, option 1 will take a while to build the 'index' but it will perform faster once it is built. Option 2 however will be available right on page load since no initialization is performed. But of course it will take longer to search. So my question is: what is the best approach here? And how would one implement 'caching' and/or 'index'?

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• apple adress book mass email [on hold]

  - by Thijser

  I have been asked to help a small non profit organasation with some IT problems. They currently have a mailing list of around 200 people saved on a mac inside adres book. Now currently these people are send emails in groups of around 20 as the standard apple email program does not allow more. I know that there are programs that can be used to send email to a larger number of people however these usually require a database and I'm not sure how to use those. Anybody got any tips?

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• Is there a keyboard shortcut to indent a nested bullet point in a table cell the proper way?

  - by ray023

  Open Word and insert a table (1 x 1 will work just fine). Right-click in the table and, in the context menu, select "Bullets" and a bullet image from the bullet library. Type something and press enter. Type something else, but, instead of clicking enter, right-click and select "Increase Indent" Notice something else moves into the proper indentation of a nested bullet: Outside of a Word table, you would simply press tab to get this behavior, but I want a keyboard shortcut (if available) to do this inside the table. This is what I've tried: Ctrl + Tab: Just indents the text, not the bullet Ctrl + T: Same as Ctrl + Tab Ctrl + M: Indents the text and the bullet but does not change the bullet style Can this be done outside the right-click context menu?

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• Remote desktop connection dos not respond anymore (no more task bar)

  - by Bronzato

  I have a remote desktop connection (from my home) to the company's server. On this I opened a Remote Desktop Connection Manager and inside this connect to a specific server. I was busy copying a file but this task never ends. So I kill the process and now I have a blue screen and no more taskbar. Very frustrating. When I try CTRL+ALT+END (=CTRL+ALT+DEL) this is executed on the main server and not the server which gives me the blue screen. I don't know if I'm clear. I know I should have keep Task Manager open and type Run... explorer.exe but I closed it. Any help is really appreciated!

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• SQL Server 2012 Express LocalDB &ndash; How to get started

  - by krislankford

  As many of you aware, SQL Server can be a bit of a pig when it comes to system resources on your development machine. As part of the 2012 products Microsoft has added SQL Server 2012 Express LocalDB which is a happy medium for myself when thinking about having to install a full blown SQL Server on my box. This however does not work in all cases for all development but if you are doing web or local client development then it should suffice. On the other hand, if you are working with technologies like SharePoint or trying to run Team Foundation Server on your local box then you will be out of luck while using LocalDB. To start of with, the localDB setup is delivered and packaged with Visual Studio 2012 RC. If you want to get the stand-alone installer you can download it here in either the 32 or 64 bit flavors. Once you get it installed you can start using it right away in either Visual Studio 2010 or the new Visual Studio 2012 RC. To get started you can open the SQL Server object explorer in Visual Studio by clicking   the menu option View –> SQL Server Object Explorer. This will bring up to the navigation pane where you can add a SQL Server. Once you add the SQL Server you will be prompted with the “Connect to Server” dialog to enter the server for which you can use “(localdb)\v11.0”. Click connect and you should be connected to your localDB where you can create and manage databases from Visual Studio 2010, Visual Studio 2012 or SSMS. Once you have started creating databases here you can use the database projects in Visual Studio with these database as well as use the (localdb)\v11.0 server name inside your connections string information for your development environment. Hope this helps someone get started with SQL Server 2012 Express LocalDB! It provides a great balance for developing against SQL Server 2012.

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• Can OpenVPN be set up so the server doesn't have interface that is part of the VPN?

  - by BCS

  I'm looking to set up a VPN (OpenVPN is my first choice but I'm not stuck with it) in such a way that the server that hosts the VPN is not visible from within the VPN. That is; any packet that a client sends via the VPN interface will get delivered to another client's VPN interface or get dropped. In the other direction, the server shouldn't have a VPN interface at all and normal network operations shouldn't be able to send packets on the network. Can this be done? All the docs I have found have assumed that clients will connect via DHCP (this requiring that the server connect at least to that extent) but I can't think of any reason that a VPN couldn't use static IP's or that the DHCP server couldn't be implemented inside the VPN (see edit) server without setting up a VPN interface on the server. Edit: Based on the link on bridged mode from Phil Hollenback's answer it seems that OpenVPN does in fact have the "internal DHCP server" that I'm thinking of.

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• Easiest method of creating multiple Word documents with incremental number?

  - by DakotaDusty

  I need to create about 80 Word documents that are identical except for a numerical identifier in the document. The identifier is the same as the document filename, eg. the document named "SN-100.doc" must have the string "SN-100" inside the document text. Each unique document will reside in a folder location given by its unique numerical identifier.For example, the file directory hierarchy will look something like this: /SN001/SN-1.doc /SN002/SN-2.doc . . . /SN080/SN-80.doc What is the easiest and fastest method of doing this?

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• My stereo headphones cable is broken, what can I do?

  - by ucas

  I have a pair of stereo headphones, I got them on Amazon. Now, the right headphone stops producing sound. To fix that I need to move/shake the tip of the cable (the one before that part of tip which goes inside the headphone jack on the laptop). But as time goes, this sort of fix helps less and less. It looks that the cable is a bit broken at the place where I shake/move cable. Is that the end of use of my headphones? Is that a reject of the device? Is there a way to fix it, for example, changing the very tip of the cable at the very end of it. Any advice on buying headphones?

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• Representing a world in memory

  - by user9993

  I'm attempting to write a chunk based map system for a game, where as the player moves around chunks are loaded/unloaded, so that the program doesn't run out of memory by having the whole map in memory. I have this part mostly working, however I've hit a wall regarding how to represent the contents of each chunk in memory because of my so far limited understanding of OOP languages. The design I have currently has a ChunkManager class that uses a .NET List type to store instances of Chunk classes. The "chunks" consist of "blocks". It's similar to a Minecraft style game. Inside the Chunk classes, I have some information such as the chunk's X/Y coordinate etc, and I also have a three dimensional array of Block objects. (Three dimensional because I need XYZ values) Here's the problem: The Block class has some basic properties, and I had planned on making different types of blocks inherit from this "base" class. So for example, I would have "StoneBlock", "WaterBlock" etc. So because I have blocks of many different types, I don't know how I would create an array with different object types in each cell. This is how I currently have the three dimensional array declared in my Chunk class: private Block[][][] ArrayOfBlocks; But obviously this will only accept Block objects, not any of the other classes that inherit from Block. How would I go about creating this? Or am I doing it completely wrong and there's a better way?

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• Is it possible to redirect/bounce TCP traffic to an external destination, based on rules?

  - by xfx

  I'm not even sure if this is possible... Also, please forgive my ignorance on the subject. What I'm looking for is for "something" that would allow me to redirect all TCP traffic arriving to host A to host B, but based on some rules. Say host A (the intermediary) receives a request (say a simple HTTP request) from a host with domain X. In that case, it lets it pass through and it's handled by host A itself. Now, let's suppose that host A receives another HTTP request from a host with domain Y, but this time, due to some customizable rules, host A redirects all the traffic to host B, and host B is able to handle it as if came directly from domain Y. And, at this point, both host B and the host with domain Y are able to freely communicate (of course, thought host A). NOTE: All these hosts are on the Internet, not inside a LAN. Please, let me know if the explanation is not clear enough.

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• View Webserver Form Internal and Extenal

  - by Just4Net

  We have a web server hosted out of our office, and it works fine when people access the site from outside the office. The problem is that when people are inside the office and go to the website (www.example.com) it's very slow, as it goes out over the internet and comes back in. Or LAN is Windows with Active Directory and our web server is CentOS with its own internet connection. How can I set when users in my office want see website opens it from local network instead of going out of one internet connection and back in through the other?

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