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• Windows Server 2008 SOMETIMES blocks connection to an FTP Site

  - by ssilver2k2

  Hello Everyone Recently, our company has been having issue connecting to a special FTP server that we use offsite to upload small files. We can connect to the test server perfectly fine, but when we use the production ftp, it only randomly connects. If I plug my laptop directly into the modem and pull one of our other static IP addresses, I can connect just fine, but if I use our internal network, it is hit or miss. Also, turning OFF the firewall does NOT change the status of our connection problems. It will still time out. The weird issue is that it sometimes works, and when it does, it instantly asks for credentials and logs us on for that session, but if we disconnect and try again, it may or may not work. This also coincidentally occurred after uninstalling hamachi, and it blew away our internet settings on our Windows Server 2008 box, but everything else is working fine, and it was working fine before hamachi was installed.

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• How to ask Debian not to check last mount time of its file system?

  - by Landy

  I'm using Debian 6.0.5. To test a feature of my product, I need to modify the system date&time back and forth frequently. Once a time I set the system date back to one month ago, then I reboot the system, and it reported the last mount time of the file system is in the future and enter the maintenance mode automatically. I had to run the fsck to make sure the file system is not broken to boot into Debian. Is there any way to ask Debian stop checking the last mount time of its file system when booting? Thanks.

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• Where should custom vmware-tools scripts go

  - by Cylindric

  I have installed the VMWare Tools into a test Ubuntu guest, and it's created the standard scripts as expected: poweroff-vm-default poweron-vm-default resume-vm-default suspend-vm-default I add some custom actions to the scripts, but it says in the top of the file ########################################################################## # DO NOT modify this file directly as it will be overwritten the next # time the VMware Tools are installed. ########################################################################## So where should the custom scripts go, if I'm not supposed to modify these ones? scriptsdir="`dirname $0`/scripts/`basename $0`.d" if [ -d "$scriptsdir" ]; then for scriptfile in "$scriptsdir"/*; do [ -x "$scriptfile" ] && "$scriptfile" poweron-vm done fi

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• Point in Polygon, Ray Method: ending infinite line

  - by user2878528

  Having a bit of trouble with point in polygon collision detection using the ray method i.e. http://en.wikipedia.org/wiki/Point_in_polygon My problem is I need to give an end to the infinite line created. As with this infinite line I always get an even number of intersections and hence an invalid result. i.e. ignore or intersection to the right of the point being checked what I have what I want My current code based of Mecki awesome response for (int side = 0; side < vertices.Length; side++) { // Test if current side intersects with ray. // create infinite line // See: http://en.wikipedia.org/wiki/Linear_equation a = end_point.Y - start_point.Y; b = start_point.X - end_point.X; c = end_point.X * start_point.Y - start_point.X * end_point.Y; //insert points of vector d2 = a * vertices[side].Position.X + b * vertices[side].Position.Y + c; if (side - 1 < 0) d1 = a * vertices[vertices.Length - 1].Position.X + b * vertices[vertices.Length - 1].Position.Y + c; else d1 = a * vertices[side-1].Position.X + b * vertices[side-1].Position.Y + c; // If points have opposite sides, intersections++; if (d1 > 0 && d2 < 0 ) intersections++; if (d1 < 0 && d2 > 0 ) intersections++; } //if intersections odd inside = true if ((intersections % 2) == 1) inside = true; else inside = false;

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• Does it make sense to write tests for legacy code when there is no time for a complete refactoring?

  - by is4

  I usually try to follow the advice of the book Working Effectively with Legacy Code. I break dependencies, move parts of the code to @VisibleForTesting public static methods and to new classes to make the code (or at least some part of it) testable. And I write tests to make sure that I don't break anything when I'm modifying or adding new functions. A colleague says that I shouldn't do this. His reasoning: The original code might not work properly in the first place. And writing tests for it makes future fixes and modifications harder since devs have to understand and modify the tests too. If it's GUI code with some logic (~12 lines, 2-3 if/else block, for example), a test isn't worth the trouble since the code is too trivial to begin with. Similar bad patterns could exist in other parts of the codebase, too (which I haven't seen yet, I'm rather new); it will be easier to clean them all up in one big refactoring. Extracting out logic could undermine this future possibility. Should I avoid extracting out testable parts and writing tests if we don't have time for complete refactoring? Is there any disadvantage to this that I should consider?

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• How do I make a backup of a live server?

  - by Jurily

  At my new job, I have a production server with the following qualities: Windows (XP I think), ancient hardware Absolutely vital database No backups whatsoever Everyone in the company has full admin rights, the passwords are stored in a .txt on the global share No installers, except for the OS The machine itself is sitting on a wooden shelf 5 feet above the ground against an external wall with frequent truck traffic on the other side; the shelf is already bent from the constant load Hasn't been rebooted in $DEITY knows how long, my predecessor wasn't even sure if it would survive it UPS is installed, but since everything is hooked up to it, it would last 10 minutes tops No spare parts or hardware budget How do I make a full backup with minimal impact on the server? I'm not sure how close it is to a total meltdown. For all I know, plugging in a USB stick could kill the company, and of course it will be all my fault, since "it was running fine before you touched it". The ideal solution would be a VM, so I have a test environment as well (separate of course).

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• How to make WinServer's AD work with Linux DNS/DHCP on VMware?

  - by Borald

  Hope you're fine. I got 2 virtual machines : Windows Server 2008 with Active Directory installed. Linux that works as a DNS and DHCP Server I need to make them work together, but I don't if this is going to be possible because VMWARE is sharing the NIC with other virtual machines and computer itself. I've assigned different IP static adresses to the servers. Is there a way for me to make these things get interconnected and test them on some virtual clients ? Any help will be much appreciated... (useful links,tutorials,..) Thanks in advance !

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• BizTalk 2009 - How do I do t"HAT"?

  - by StuartBrierley

  In my previous life working with BizTalk Server 2004, I came to view HAT (the Health and Activity Tracking tool) as one of my first ports of call in the case of problems with any of our BizTalk solutions.  When you move to BizTalk Server 2009 it is quickly apparent that HAT is no longer with us. HAT was useful in BizTalk 2004 mainly as it provided developers and administrators with a number of useful queries and views of what was going on inside BizTalk at runtime; when and what type of messages were received and sent, what messages had been suspended, what orchestration were running or suspended, you could even follow the process flow of a message or orchestration to see what was going on. With BizTalk Server 2009 much of the functionality of HAT can now be found in the BizTalk Administration console.  Select a BizTalk Group and you will be shown the Group Hub Overview page.  This provides a number of default queries that replicate some of those found in the old HAT. You can also use the Group Hub page to create new queries.  These can then be saved and loaded in other Group Hub instances - useful for creating queries in development for later use in Test, Psuedo-Live and Live environments. In the next few posts I am going to look at some of the common queries that we might miss from HAT and recreate them (or something close) using the new query option. Messages - last 100 received Messages - last 100 sent Messages - last 50 suspended Service instances - last 100 I have yet to try the updated Admin-HAT-Console in anger, and after using old-HAT for so long it may take some getting uesd to, but so far I would say that moving the HAT functionality into the BizTalk Administration console was probably the correct way to go.  Having one tool as the place to look for the combined functionality on offer certainly seems to be the sensible option.

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• Halloween: Season for Java Embedded Internet of Spooky Things (IoST) (Part 3)

  - by hinkmond

  So, let's now connect the parts together to make a Java Embedded ghost sensor using a Raspberry Pi. Grab your JFET transistor, LED light, wires, and breadboard and follow the connections on this diagram. The JFET transistor plugs into the breadboard with the flat part facing left. Then, plug in a wire to the same breadboard hole row as the top JFET lead (green in the diagram) and keep it unconnected to act as an antenna. Then, connect a wire (red) from the middle lead of the JFET transistor to Pin 1 on your RPi GPIO header. And, connect another wire (blue) from the lower lead of the JFET transistor to Pin 25 on your RPi GPIO header, then connect another (blue) wire from the lower lead of the JFET transistor to the long end of a common cathode LED, and finally connect the short end of the LED with a wire (black) to Pin 6 (ground) of the RPi GPIO header. That's it. Easy. Now test it. See: Ghost Sensor Testing Here's a video of me testing the Ghost Sensor circuit on my Raspberry Pi. We'll cover the Java SE app needed to record the ghost analytics in the next post. Hinkmond

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• Nagios dropping ICMP packets

  - by Ankh2054

  I am running a Nagios server on vmware 4.0 and every now and again during the day it alerts that some of servers cannot be reached via ICMP, clearly staging that a certain percentage of packets send are lost. This does not happen to all servers. I know the servers are actually up, because I have done a parallel test from another windows box, just using simple ping and no packets were lost. I also now from the way we monitor out switch that no packets were lost on those particular ports. Could anyone suggest a way to troubelshoot this further ? AT present this points to the nagios server itself loosing packets. thanks

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• Can a working Tomcat 6 webapp be turned into a usable .war file?

  - by Bill Cole

  Problem: I have a working webapp on a FreeBSD 8.1 Tomcat 6 test server that I need to move to a production system. The developer who last touched it (and had root on that server) has moved on and isn't helpful. The running app seems to have been deployed from a CVS server that is now unavailable. My thinking is that I would like to find a way to wrap the working webapp into a proper .war so that I can deploy it on a pristine host and (after testing) send the existing system to a very deep bitbucket. But I'm not having luck finding a way to do that. I'm a sysadmin not a developer and don't work much with Tomcat systems so I may be (likely am) overlooking something blindingly simple. I gather that I may be able to just tar up the deployed directory and untar it on the new machine, but I have a nagging feeling that there are pitfalls in that.

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• multicast and iptables

  - by Massimo

  I have secured a linux box, starting with iptables -P INPUT DROP iptables -P OUTPUT DROP iptables -P FORWARD DROP and after adding rules to enable specific protocols and streams. Which are the correct rules to add multicast support ? I am trying with these - for both client and server multicast : iptables -A INPUT -m pkttype --pkt-type multicast -j ACCEPT iptables -A OUTPUT -m pkttype --pkt-type multicast -j ACCEPT iptables -A INPUT --protocol igmp -j ACCEPT iptables -A OUTPUT --protocol igmp -j ACCEPT iptables -A INPUT --dst "224.0.0.0/4" -j ACCEPT iptables -A OUTPUT --dst "224.0.0.0/4" -j ACCEPT Linux 2.6.38-12 / iptables 1.4.10 Is there any internet service to test my multicast set ( pc + adsl router + provider ) ?

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• Would Apple be able to tell if I'm running Mac OS inside a VM?

  - by Thomas Havlik

  Just as the question/title says. I understand that running Mac OS inside of a VM is against the EULA for the consumer version (but not the server, which is much more expensive!) If I were to purchase a legal copy of Mac OS, and install it to a VM, then register as an Apple Developer, would they shut me out? Is there a way they can tell the difference between emulated hardware and Apple computers? I'm slightly unfamiliar with how all of Apple's software works. Windows goes through this "genuine" test whenever installing service packs, but I don't know if Mac goes through the same trouble. Many thanks, -Tom

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• Is it viable to make a port from a C++ application to Java through LLVM

  - by Javier Mr

  how viable is it to port a C++ application to Java bytecode using LLVM (I guess LLJVM)? The thing is that we currently have a process written in C++ but a new client has made mandatory to been able to run the program in a multiplatform way, using the Java Virtual Machine with obviously no native code (no JNI). The idea is to be able to take the generated jar and copy then to different systems (Linux, Win, 32 bits - 64 bits) and it should just work. Looking around looks like it is possible to compile C++ to LLVM IR code and then that code to java bytecode. There is no need of the generated code to be readable. I have test a bit with similar things using emscripten, this takes C++ code and compile it to JavaScript. The result is valid JS but totally unreadable (looks like assambler). Does anybody done a port of an application from C++ to Java bytecode using this tecnique? What problems could we face? Is a valid approach for production code? Note: I am aware that currently we have some non standard C++ and close source libraries, we are looking to removing this non standard code and all close source libraries and use Free Libre Open Source Software, so lets suppose all code is standard C++ code with all code available at compile time. Note: It is not an option to write portable C++ code and then compile it to the desired target platform, the compiled program must be mltiplatform thus the use of JVM (right now we are not looking in similar solutions but Python or other language base, but i would also like to heard about it)

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• MySQL documentation writer for MEM and Replication wanted!

  - by stefanhinz

  As MySQL is thriving and growing, we're looking for an experienced technical writer located in the UK or Ireland to join the MySQL documentation team. For this job, we need the best and most dedicated people around. You will be part of a geographically distributed documentation team responsible for the technical documentation of all MySQL products. Team members are expected to work independently, requiring discipline and excellent time-management skills as well as the technical facilities and experience to communicate across the Internet. Candidates should be prepared to work intensively with our engineers and support personnel. The overall team is highly distributed across different geographies and time zones. Our source format is DocBook XML. We're not just writing documentation, but also handling publication. This means you should be familiar with DocBook, and willing to learn our publication infrastructure. Your areas of responsibility would initially be MySQL Enterprise Monitor, and MySQL Replication. This means you should be familiar with MySQL in general, and preferably also with the MySQL Enterprise offerings. A MySQL certification will be considered an advantage. Other qualifications you should have: Native English speaker 5 or more years previous experience in writing software documentation Familiarity with distributed working environments and versioning systems such as SVN Comfortable with working on multiple operating systems, particularly Windows, Mac OS X, and Linux Ability to administer own workstations and test environment Excellent written and oral communication skills Ability to provide (online) samples of your work, e.g. books or articles If you're interested, contact me under [email protected]. For reference, the job offer can be viewed here.

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• Setting up SSL on Nginx, Passenger, Sinatra

  - by 12preschph

  I have a Sinatra app that runs both on locally and on Heroku. When visiting my site over HTTPS across Heroku, it will indeed work as Heroku provides this by default. How can I set up SSL to work on my localhost machine? I will enable my Sinatra app to only allow secure connections so I need to test this both in development and production. Currently, I am running the following locally: SERVER= nginx/1.6.0 + Phusion Passenger 4.0.42 Also, where is my nginx folder? I don't have it installed in the normal location (Ubuntu) so this must come custom with Passenger?

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• my file download speed is 180-200kbps but speedtest is showing 1.7mbps and i am subsribed to 2mbps pack?

  - by edward

  i'm from Malaysia. I am subscribed to 2mbps pack from my country's ISP. But all i get is only 200kbps when download files from the internet, when i test my speed on speedtest.com , it shows me 1.7mbps. I am pretty confused , ISP should give users what they stated , yeah a 2mbps. But i only recieved 200kbps and the speedtest shows 1.7mbps which makes me confused even further. So i started googling and found out that it is related to something called VPN compression? can anyone explain to me how these things works? why am i getting much much lower speed than i have subscribe to. (I am using a D-Link DSL-2750 U modem) Thanks.

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• Windows' "open with" with java and a jar file

  - by Boldewyn

  I use the rest-client to test REST APIs. It is basically just a .jar file, that is called via java -jar rest-client.jar. The rest-client uses two file extensions, in my case .rcq, to store data in files. I want to let the explorer open .rcq files with java -jar rest-client.jar <infile>, however, if I configure it (via GUI) to use the JAR alone, it obviously doesn't work. I'd be fine with touching HKEY_CLASSES_ROOT for this, as well, but don't know the exact syntax. By the way: It's WinXP.

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• Desktop Fun: Mountains Theme Wallpapers

  - by Asian Angel

  Do you love to go on hikes in the mountains and enjoy the scenery? Bring those sweeping views and a touch of the great outdoors to your desktop with our Mountains Theme Wallpaper collection. Note: Click on the picture to see the full-size image—these wallpapers vary in size so you may need to crop, stretch, or place them on a colored background in order to best match them to your screen’s resolution.         For more fun wallpapers be certain to visit our new Desktop Fun section. Similar Articles Productive Geek Tips Windows 7 Welcome Screen Taking Forever? Here’s the Fix (Maybe)Desktop Fun: Starship Theme WallpapersDesktop Fun: Underwater Theme WallpapersDesktop Fun: Forest Theme WallpapersDesktop Fun: Fantasy Theme Wallpapers TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Monitor Applications With Kiwi LocPDF is a Visual PDF Search Tool Download Free iPad Wallpapers at iPad Decor Get Your Delicious Bookmarks In Firefox’s Awesome Bar Manage Photos Across Different Social Sites With Dropico Test Drive Windows 7 Online

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• Do I need a web service for watershed.ustream.tv?

  - by Corey

  I am looking to use the watershed.ustream.tv service for a one-time event. Do I really need my own web service? In the control panel it says “WARNING: the test web service will always approve all requests so do NOT use it in a production environment!”. I'm not looking for any advanced features, I'm not even using the chat functionality. All I want to do is broadcast a funeral service without any advertising. I've looked for support on the watershed site, but I can't find any. Any help or advise would be appreciated.

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• how to architect this to make it unit testable

  - by SOfanatic

  I'm currently working on a project where I'm receiving an object via web service (WSDL). The overall process is the following: Receive object - add/delete/update parts (or all) of it - and return the object with the changes made. The thing is that sometimes these changes are complicated and there is some logic involved, other databases, other web services, etc. so to facilitate this I'm creating a custom object that mimics the original one but has some enhanced functionality to make some things easier. So I'm trying to have this process: Receive original object - convert/copy it to custom object - add/delete/update - convert/copy it back to original object - return original object. Example: public class Row { public List<Field> Fields { get; set; } public string RowId { get; set; } public Row() { this.Fields = new List<Field>(); } } public class Field { public string Number { get; set; } public string Value { get; set; } } So for example, one of the "actions" to perform on this would be to find all Fields in a Row that match a Value equal to something, and update them with some other value. I have a CustomRow class that represents the Row class, how can I make this class unit testable? Do I have to create an interface ICustomRow to mock it in the unit test? If one of the actions is to sum all of the Values in the Fields that have a Number equal to 10, like this function, how can design the custom class to facilitate unit tests. Sample function: public int Sum(FieldNumber number) { return row.Fields.Where(x => x.FieldNumber.Equals(number)).Sum(x => x.FieldValue); } Am I approaching this the wrong way?

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• Windows Phone Camp Hands On Accelerator Lab in Dallas

  - by Bill Osuch

  Microsoft is hosting another Windows Phone Accelerator lab this December 13-15 in Dallas: Do you have the next million dollar idea that you just can’t find the time to finish?  Do you already have an app for Android and iPhone that you want to expand into new markets?    It’s time to turn your napkin sketches and leverage your hard work into real, sellable apps for Windows Phone in ONE WEEK!  Join us for a special Windows Phone event you don’t want to miss - Windows Phone Accelerator!    In this 3-day developer retreat, we will have experts on hand to help you build, test, pitch, and deploy your app into the Windows Phone Marketplace.  You will have hands on technical assistance, Marketplace subscriptions, and developer phones for testing.    It’s a great chance to get step-by-step advice from Microsoft and community experts and all you have to do is bring your existing app or app idea that you are ready to build.   Seating is limited and registration is not guaranteed.  Get your spot today!   Agenda: Tuesday, 9am-5pm Kick-off Open Lab; 1:1 Meetings   Wednesday, 8:30am-6pm Open Lab; 1:1 Meetings   Thursday, 8:30am-1pm Open Lab; 1:1 Meetings   Thursday, 1pm - 3pm App pitches & Giveaways Register at this link

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• Can't set up IIS Web Server on Server 2008 x64 correctly (what have I missed?)

  - by balexandre

  Using a VM I installed Windows 2008 Server x64 and as the image below shows, added the IIS Role full image and assigned all role features of IIS full image But if I have an ASP.NET (aspx) page that does (C#) Session["test-session"] = "A"; and read in other page I always get nothing! NOTE: I do have an entire ASP.NET web application, the example above is to be succinct and explicit on what is the problem I'm facing. Can anyone know what do I have to do to the Server, so I can use the Session variables? All help is greatly appreciated, Thank you

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• Accessing localhost:8080 through local network

  - by Theron Luhn

  I'm developing a Python WSGI website. I'm running a Paste development server on my Mac (OS X 10.7) on port 8080. I want to test the website on some other devices and OSs I have connected to the local network (Windows 7 VM, iPad, iPhone, etc.), but am having trouble. I turned on Web Sharing, and am able to access that (port 80) without a problem on all my devices. Port 8080 still doesn't work. An excerpt from my Paste configuration: [server:main] use = egg:waitress#main host = 127.0.0.1 port = 8080 The OS X firewall (Settings - Security - Firewall) is off. I have no other firewall software installed. My network is through a Linksys WRT160N router. I haven't done much with the settings, so most of them are at their defaults. I've been Googling all morning, but can't find a solution.

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• How to make sure you server NIC performance is at best on Windows?

  - by Bobb

  I realised that I followed some obscure paper on setting NICs on Windows for too long. It might be outdated with new hardware released in past couple of years and with W2008R2. I read a bit about offloading and RSS settings on Windows and I realiased that it is very much circumstantial. Noone can really say - enable that and disable this. etc. So what I really want is for my next server try and setup testing environment and measure how my particular application will behave with different settings. The target is going to be latency of TCP primarily. Please note I am talking about latency inside the box. Are there precision tools for Windows to measure latency (down to microseconds)? P.S. I know this is not easy question. Windows time drift is awful problem for any precision test but still I am sure I am not the fist person to need that... Please share your experience

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