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• Safe to use high port numbers? (re: obscuring web services)

  - by sofakng

  I have a small home network and I'm trying to balance the need for security versus convenience. The safest way to secure internal web servers is to only connect using VPNs but this seems overkill to protect a DVRs remote web interface (for example). As a compromise, would it be better to use very large ports numbers? (eg. five digits up to 65531) I've read that port scanners typically only scan the first 10,000 ports so using very high port numbers is a bit more secure. Is this true? Are there better ways to protect web servers? (ie. web guis for applications)

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• ACT On' OVCA for Cloud Providers Program Launch Webcast: June 12, 2014 - 9am UKT / 10am CET / 11am EET

  - by Cinzia Mascanzoni

  Normal 0 false false false EN-US X-NONE X-NONE We invite you to join the OVCA for Cloud Providers ‘ACT On' program launch at 11am BST / 12noon CET on June 12. · More and more customers realize the value of shifting to a Converged IT Infrastructure, this is why IDC expects this market to grow 40% annually for the next 2 years. · The Oracle Virtual Compute Appliance (OVCA) with attached ZFS storage is the perfect answer to this market trend. By providing rapid application and cloud deployment, OVCA allows customers to cut capital expenditures by up to 50% and deploy key applications up to 7x faster. · For Partners, OVCA supports their journey to consolidation, virtualization and cloud, and allows them to sell higher value services to their customers. The objective of this webcast is to share with you the OVCA value proposition, help you identify the best target partners, and provide you with the Enablement and Demand Generation content and resources. To register and for further details click here /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• Developing an Interface to a Dynamic System

  - by radix07

  I work for a small company and have been designing a GUI to interface our embedded system. The problem with this embedded system is that it is not a finished product (may never be) and is constantly under development and being tweaked and updated for different customers and applications in small volumes. So to deal with this I made a program that can export all the data from a spreadsheet where most of the embedded system variables are sourced from and throw them into a small database for the GUI application to use. This database program I made also spits out a cross reference file for the embedded system which allows the GUI to look up all the variables. This system works pretty well so far, and is even integrated with version control among the GUI, database, and embedded system. The big problem is that there is constant development on several projects that use this system and it gets terribly tedious to keep the system up to date and bring in new changes. This has gotten to the point to where I have had to code the GUI to dynamically (generically) generate all interfaces since I am never guaranteed to find the same data the same way. I have not been able to come up with a good way to uniquely identify the data I import from excel since all fields are able to be changed (due to engineering stubbornness, code re-factoring and/or excel issues) and I cannot assign a fixed reference within the sheet itself. So, are there any good methods or ideas on how to handle the chaos?

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• Why do mapped drives only reappear after logging out and back in, and not after a reboot?

  - by razumny

  I work in a corporate environment, where we use mostly Windows 7 Professional computers, though some legacy applications are still being run on Windows XP. We have security in place on the network not to allow access to network resources to computers that are not members of Active Directory. When logging in, our users get their home folder and a common network drive mapped to H: and F:, respectively. Sometimes, this does not happen, and the drives are not mapped. The solution is to have the user log off, and back in to Windows. If they reboot, the drives remain unmapped. Does anyone know why this may be?

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• Why won't Windows use the other CPU cores?

  - by revloc02

  In Windows Task Manager the Performance tab shows the first CPU maxed out, the other 7 just idling along with the occasional spike. What gives? More info: I've got 8GB and only 4.5GB are being used. The Processes tab has no indication of any process hogging processing power. In fact System Idle Process is 98-99. When I program stuff and have like 8 to 12 applications going (several directly unrelated to programming of course) my computer slows to a crawl. Sysyem Info: Intel Core i7-2600K Processor (quad-core with hyper-threading), 8GB RAM, Intel BOXDZ68BC LGA 1155 Motherboard, 500GB HDD

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• Reducing volume of an audio device on windows 7

  - by bdonlan

  I have a USB headset with a very loud amplifier, but low granularity in its gain control. In order to get comfortable audio, I have to reduce the individual application levels in the mixer to '1', and the master mixer to around '10'. Of course, new applications start out at '10', and immediately blast out my ears. Is there a way to add a filter to cut down the volume some so I can get better control of it? That is, reduce the volume of '100' so I can work within a reasonable range.

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• Gesture Based NetBeans Tip Infrastructure

  - by Geertjan

  All/most/many gestures you make in NetBeans IDE are recorded in an XML file in your user directory, "var/log/uigestures", which is what makes the Key Promoter I outlined yesterday possible. The idea behind it is for analysis to be made possible, when you periodically pass the gestures data back to the NetBeans team. See http://statistics.netbeans.org for details. Since the gestures in the 'uigestures' file are identifiable by distinct loggers and other parameters, there's no end to the interesting things that one is able to do with it. While the NetBeans team can see which gestures are done most frequently, e.g., which kinds of projects are created most often, thus helping in prioritizing new features and bugs, etc, you as the user can, depending on who and how the initiative is taken, directly benefit from your collected data, too. Tim Boudreau, in a recent article, mentioned the usefulness of hippie completion. So, imagine that whenever you use code completion, a tip were to appear reminding you about hippie completion. And then you'd be able to choose whether you'd like to see the tip again or not, etc, i.e., customize the frequency of tips and the types of tips you'd like to be shown. And then, it could be taken a step further. The tip plugin could be set up in such a way that anyone would be able to register new tips per gesture. For example, maybe you have something very interesting to share about code completion in NetBeans. So, you'd create your own plugin in which there'd be an HTML file containing the text you'd like to have displayed whenever you (or your team members, or your students, maybe?) use code completion. Then you'd register that HTML file in plugin's layer file, in a subfolder dedicated to the specific gesture that you're interested in commenting on. The same is true, not just for NetBeans IDE, but for anyone creating their applications on top of the NetBeans Platform, of course.

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• Looking to Implement/Upgrade Your MDM Solution? OOW Has the Session For You

  - by Mala Narasimharajan

  By Bala Mahalingam  Hurray!  Oracle Open World next week.  Oh my God!  I need to plan my calendar for MDM focused sessions. The implementation/upgrade of Oracle Master Data Management solution is an art & science combined. This year at Open World, we have a dedicated session focused on sharing two great implementation stories of Oracle Customer Hub. Also hear from Oracle on the implementation/upgrade approach and methodology for Oracle Master Data Management and Data Quality applications. Here are some of the questions that you might be thinking around the implementation of Oracle MDM solution. If you are in the process of implementation / upgrade or evaluating the options for implementation of MDM solution and you would like to hear directly from T-Mobile and Sony on their roadmap and implementation experience, then I would highly recommend this session.     Hope to see you at Oracle Open World 2012 and stay in touch via our future blogs. Look here for a list of all the MDM sessions at OpenWorld.

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• Using Queries with Coherence Read-Through Caches

  - by jpurdy

  Applications that rely on partial caches of databases, and use read-through to maintain those caches, have some trade-offs if queries are required. Coherence does not support push-down queries, so queries will apply only to data that currently exists in the cache. This is technically consistent with "read committed" semantics, but the potential absence of data may make the results so unintuitive as to be useless for most use cases (depending on how much of the database is held in cache). Alternatively, the application itself may manually "push down" queries to the database, either retrieving results equivalent to querying the cache directly, or may query the database for a key set and read the values from the cache (relying on read-through to handle any missing values). Obviously, if the result set is too large, reading through the cache may cause significant thrashing. It's also worth pointing out that if the cache is asynchronously synchronized with the database (perhaps via database change listener), that an application may commit a transaction to the database, then generate a key set from the database via a query, then read cache entries through the cache, possibly resulting in a race condition where the application sees older data than it had previously committed. In theory this is not problematic but in practice it is very unintuitive. For this reason it often makes sense to invalidate the cache when updating the database, forcing the next read-through to update the cache.

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• What is the steps to make a frame work for a company? [on hold]

  - by bbb

  we want to make a frame work for our company. Our company mission is developing web applications and CMS and websites. Till now we had a lot of problems with the various types of codding. we didnt have a frame work and every programmer codes as he wants and it was too hard for the others to edit them. Now we want to make a frame work for the company. We want to make an archive of dll files that are written by our self our other and make the programmers to use just from them and we want to make a frame work for the type of codding. WE NEED A STRUCTURE FOR THE COMPANY. I dont know how to do this and what is the first and second and third step to do this. I need some guidance about it. For example I say that the frame work should contains the followings: The base should be SOLID The method should be Code-First The standards should be Naming Convention The type should be 3 layer programming The method should be MVC We should use from our dll archive The UI should be with HTML and CSS And using from Bootstrap Am I right or not or is it complete or...???

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• Odd behavior of permissions and icons

  - by Urban

  After some virus had infected my Windows 7, I did a complete format and re-installed the OS. I was just installing applications and copying back some data when I noticed some shortcuts changing their icons to something I couldnt recognize (Yellow icons in the image below). Also, a few exe files which previously did not ask for User permission, are now asking for it. Wondering if this is an icon cache problem, I cleared the cache by deleting the IconCache.db in AppData/Local but the problem still persists. Although I did a full system scan with MS Security Essentials, I'm not sure if this is another virus or some other problem. I would appreciate any suggestions you might have. Edit: Now even Firefox needs permissions to launch. It's icon hasnt changed, but it's got the 'shield' overlay on it like the other yellow icons.

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• How to restore pre-windows-8 Alt+Shift keyboard behavior?

  - by SandRock

  Before Windows 8, the Alt+Shift shortcut changed the input method (keyboard layout) for the current app. This permitted to map an input method to each app. For example I could keep the default layout for my apps where I write in english and switch to a french layout in apps where I write in french. This was working great: each app had his keyboard layout. Now with Windows 8 the Alt+Shift key has a global behavior for all applications. This meens I have to change my input method almost each time I change from app to app. Is there a way to restore the pre-Windows-8 behavior? Or is there another shortcut?

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• Move a window back into the visible area in Xubuntu?

  - by Johan

  I have this annoying little problem on my laptop that sometimes after I have used a external monitor (with higher resolution) some applications place them self outside the visible area of my desktop. So the question is how do I move them back into the visible area? (Please note, no part of the window is visible so I can't use the mouse.) Is there some app that can give me focus to move a application to the mouse pointer or something like that? Please note that I'm running Xubuntu (XFCE) on this laptop. Thanks

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• Windows Azure Error: Failed to start Storage Emulator: the SQL Server instance ‘localhost\SQLExpress’ could not be found

  - by DigiMortal

  When running some of your Windows Azure applications when storage emulator is not configured you may get the following error: "Windows Azure Tools: Failed to initialize Windows Azure storage emulator. Unable to start Development Storage. Failed to start Storage Emulator: the SQL Server instance ‘localhost\SQLExpress’ could not be found.   Please configure the SQL Server instance for Storage Emulator using the ‘DSInit’ utility in the Windows Azure SDK.". Here’s how to solve this problem. You need to run DSInit utility to create database. For Windows Azure SDK 1.6 the location for DSInit utility is: C:\Program Files\Windows Azure Emulator\emulator\devstore By default DSInit expects that your database server is (local)\SQLEXPRESS but you can change it easily. If you have MSSQL instance called SQLEXPRESS then it is enough to just run DSInit. If you need some other instance then run the following command: DSInit /sqlinstance:<instance name> For default instance use “.” as instance name: DSInit /sqlinstance:. You can find more information about sqlinstance and other switches from DSInit documentation. If database was correctly created you should see dialog like this: When storage database is ready you can run your application.

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• Unreal Torunament (UT99) no sound in 12.04?

  - by Talas

  I've been trying to get sound working in Unreal Torunament for a couple of days now. I'm using the native Unreal Tournament version, not wine or something like that. I have sound in all other games and media applications that I have tried. In older ubuntu versions it worked fine. I'm now using kubuntu 12.04, I have all the alsa-oss and oss-compat packages installed. I have followed most of the advice out there, and it all seems to fall on padsp and aoss. My problem, however, is that even when trying to use padsp or aoss, I can't get any sound at all. (Note UT has two output modes: ALAudio and Generic(OSS), I have tried both). Is there some configuration required to use padsp or aoss correctly? I have ran it like padsp ./ut and aoss ./ut If using the AL backend in UT I get (both aoss and padsp give this): Bound to ALAudio.so open /dev/dsp: Invalid argument Audio initialization failed. If using the OSS backend in UT I get (both aoss and padsp give this): Bound to Audio.so Failed to open audio device. Audio initialization failed. Note that so far, I have gotten absolutely no sound. Thanks for any help!

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• Authenticated proxy in Windows command prompt

  - by tlvince

  My Internet access is delivered through an authenticated proxy. This is setup correctly in the "Internet Options" control panel applet and all browsing/GUI apps work fine. For cmd, proxy settings are typically set by exporting http_proxy. The applications I'm trying to use are git and Putty's pscp.exe. I've tried the following syntax to no avail: set http_proxy=http://username:[email protected]:port/ I've also experimented with Netsh.exe and ProxyCfg.exe with no luck. How does one configure an authenticated proxy in the Windows command prompt?

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• cant recognize the path of hard drive which is not a part of an array

  - by Abhishek

  hi there, I have a problem on my server as below.. On my server i configured a raid array of 3 hard disks, in my c drive their is a web applications running on Apache Tomcat server. Now because of shortage of storage i entered a new hard disk to the server which is not a part of that raid array. Now through my web application i upload some images to new hard drive and file uploaded successfully but when through that same application, i try to retrieve those images and show on a web site i does not recognize that and dose not give any error. i try to access that drive with absolute path but it not works. Can any one help me to find the solution of this problem? Thank You in advance.

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• EC2 Amazon Linux AMI MySQL CPU @ 62% When Idle?

  - by Jeff

  I am running MySQL on an Amazon Linux AMI. There is nothing connected to it. There are no connections and no other applications running that use MySQL. It is completely idle, but yet, top is reporting that mysql is using 62% of the CPU? Why is this happening and how do I fix it? Cpu(s): 0.2%us, 0.2%sy, 0.0%ni, 97.8%id, 0.0%wa, 0.0%hi, 0.0%si, 1.7%st Mem: 1738504k total, 390708k used, 1347796k free, 56888k buffers Swap: 917500k total, 0k used, 917500k free, 229804k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2959 mysql 20 0 466m 39m 5244 S 62.2 2.3 4:00.67 mysqld 1 root 20 0 19252 1504 1212 S 0.0 0.1 0:00.20 init 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd There are no connections... mysql> show processlist; +----+------+-----------+------+---------+------+-------+------------------+ | Id | User | Host | db | Command | Time | State | Info | +----+------+-----------+------+---------+------+-------+------------------+ | 5 | root | localhost | NULL | Query | 0 | NULL | show processlist | +----+------+-----------+------+---------+------+-------+------------------+

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• PATH env variable on Mac OS X and/or Eclipse

  - by Jason S

  When I print out the path in bash, it prints this: /usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin When I run System.out.println(System.getenv("PATH")); in Java running under Eclipse, it prints /usr/bin:/bin:/usr/sbin:/sbin How can I figure out why there is this discrepancy? I need to add /usr/local/bin to the PATH and make it available to Java apps under Eclipse. (note: I have made no modifications system paths, so these are the defaults set by the OS or perhaps by one or more of the applications i've installed.)

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• Standard/Compliance for web programming?

  - by MarkusK

  I am working with developers right now that write code the way they want and when i tell them to do it other way they respond that its just matter of preference how to do it and they have their way and i have mine. I am not talking about the formatting of code, but rather of way site is organized in classes and the way the utilize them. and the way they create functions and process forms etc. Their coding does not match my standards, but again they argue that its matter of preference and as long as goal achieved the can be different way's to do it. I agree but their way is proven to have bugs and we spend a lot of time going back and forth with them to fix all problems security or functionality, yet they still write same code no matter how many times i asked them to stop doing certain things. Now i am ready to dismiss them but friend of mine told me that he has same exact problem with freelance developers he work with. So i don't want to trade one bad apple for another. Question is is there some world wide (or at least europe and usa) accepted standard or compliance on how write secure web based applications. What application architecture should be for maintainable application. Is there are some general standard that can be used for any language ruby php or java govern security and functionality and quality of code? Or at least for PHP and MySQL i use for my website. So i can make them follow this strict standard and stop making excuses.

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• Eclipse and NetBeans replacing embedded IDEs (part 2 and part 3)

  - by Geertjan

  After part 1, in Embedded Insights, the series Eclipse and NetBeans replacing embedded IDEs by principal analyst Robert Cravotta continues below. Many embedded tool developers are choosing to migrate their embedded development toolset to an open source IDE platform for a number of reasons. Maintaining an up-to-date IDE with the latest ideas, innovations, and features requires continuous effort from the tool development team. In contrast to maintaining a proprietary IDE, adopting an open source IDE platform enables the tool developers to leverage the ideas and effort of the community and take advantage of advances in IDE features much sooner and without incurring the full risk of experimenting with new features in their own toolsets. Both the Eclipse and NetBeans platforms deliver regular releases that enable tool developers to more easily take advantage of the newest features in the platform architecture.  Read more of part 2 here, in an article published Thursday, May 17th, 2012. Both the NetBeans and Eclipse projects began as development environments and both evolved into platforms that support a wider array of software products. Both platforms have been actively supported and evolving open source projects that have competed and coexisted together for the past decade and this has led to a level a parity between the two platforms. From the perspective of a tool developer, applications are built the same way on either platform – the difference is in the specific terminology and tools. Read more of part 3 here, in an article published Tuesday, June 12th, 2012. And, as a bonus in this blog entry, here's how to get started creating an IDE on the NetBeans Platform:  http://netbeans.dzone.com/how-to-create-commercial-quality-ide

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• Win8 x64 Laptop (Samsung) unable to boot after installing Ubuntu

  - by user285872

  I posted here a while back and no one was able to help me so I am going to try to explain my problem better. I have a Samsung series 7 Ultrabook and I connected a USB optical drive with an Ubuntu 14.04 installation disc. I did not set or change any of my partitions, however, as I mainly wanted to just be able to boot from the disc and fool around with Ubuntu. Upon restarting my computer I get a blue-screen message saying: Recovery Your PC needs to be repiared The Boot configuration date file is missing some required information. File: \BCD Error Code: 0xc000000d You'll need to use the recovery tools on your installing media. If you don't have any installation media (like a disc or USB device), contact your system administrator or PC manufacturer. However I am never given the option to even try to boot to anything. When I turn my computer on the optical drive spins and then after a moment or two comes to a halt. I turned off safeboot and switched it to CSM (I believe that is what it is called) mode, and that makes it so when I turn my computer on it takes me to a Windows Recovery screen. I am able to change the date I want to recover and view all the applications installed, however upon recovering Windows says "All boot options are tried. Press key to recover with factory image using Recovery or any other keys for next boot loop iteration." It seems to be stuck in a loop. Can someone please help me?! I'm so confused and nothing is working!

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• What is the maximum memory that an IIS6 web site/app pool can use?

  - by Robin M

  I have an IIS 6 server running on Windows 2003 SP2 x86. The server has 4GB of RAM and runs consistently with 2GB allocated. I realise that with x86, the server won't utilize all of the 4GB RAM and the application space is also limited but the IIS processes seem to be limited elsewhere. w3wp.exe never has more than 500MB allocated and I occasionally get OutOfMemory exceptions from a busy .NET application (there are several applications running, each with a separate application pool). What is the maximum memory that an IIS6 web site/app pool can use?

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• How to remove program shortcuts on the desktop in window in Windows 7

  - by wdkrnls

  I have a bunch of "Shortcut" icons on my Windows desktop folder which don't appear as .lnk files in the powershell view of C:/users/ME/Desktop nor in fact do they show up at all. They do show up in the file manager, however, and right clicking the "Shortcut" and selecting Properties reveals that they refer directly to the corresponding applications in my C:/Program Files/ directory. How can I prevent them from being displayed on the desktop (or in Windows Explorer) without uninstalling them? I tried selecting them and deleting them, but Windows prompted me for administrator permissions to delete the programs themselves, and not the shortcuts.

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• How can I prevent Apache from exposing a user's password?

  - by Marius Marais

  When using basic authentication (specifically via LDAP, but htpasswd also) with Apache, it makes the REMOTE_USER variable available to the PHP / Ruby / Python code underneath -- this is very useful for offloading authentication to the webserver. In our office environment we have lots of internal applications working like this over SSL, all quite secure. BUT: Apache exposes the PHP_AUTH_USER (=REMOTE_USER) and PHP_AUTH_PW variables to any application inside PHP. (PHP_AUTH_PW contains the plaintext password the user entered.) This means it's possible for the app to harvest usernames and passwords. Presumably the same information is available to Python and Ruby (all three are currently in use; PHP is being phased out). So how can I prevent Apache from doing this? One idea is to use Kerberos Negotiate authentication (which does not expose the password and has the benefit of being SSO), but that automatically falls back to Basic for some browsers (Chrome and in some cases Firefox), causing the password to be exposed again.

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