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• Forking a GPL dual licensed software with business owned copyrights

  - by Eric

  After receiving some threats of the copyrights holder of a dual licensed software(GPL2 and commercial) to buy the commercial version for projects in production, I am thinking to make a fork. In a case of GPL2 and commercially dual licensed with business owned copyrights software, is forking the GPL2 version an option? Also, is forking a good way to deal with such cases? Background information The software is a web CMS released under 2 versions a GPL2 free open source edition and a commercial edition including technical support and extra functionality. The problem is that now, basing their argumentation on the "distribution" definition of the GPL2, the company holding the copyrights argue that delivering the software and some extensions to a client is considered as a "distribution". And that such a "distribution" falls under the GPL2 obligation to release the custom made extension code. Custom made extensions are mainly designs, templates and very specific functionality. Basically they give me 3 choices: Buying the commercial licensed edition for projects based on the GPL in production, Deleting all the projects in production based on GPL2 version, Releasing all the extensions as GPL2 code. The first 2 options are nothing realistic for finished projects. The third option could be fine, but as most of the extensions are very specific, cleaning the code to make it usable by other users means lot of works and also I am not sure the clients will appreciate to have their website designs and specific functionality released publicly. The copyrights holding company even contacted some clients directly, giving them the "choice". I know that this is a very corporate interpretation of GPL2, and a such action is nothing close to legal, but as an independent developer, I don't want to take the risk to get involved in some long and tiring legal procedures. PS. This question was first asked on Stack Overflow where it felt out of the scope and closed, after reading the present site FAQ, discussing about software licensing seems fine.

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• Registration Now Open: Virtual Developer Day, North America, APAC & Europe

  - by Tanu Sood

  Is your organization looking at developing Web or Mobile application based upon the Oracle platform?  Oracle is offering a virtual event for Developer Leads, Managers and Architects to learn more about developing Web, Mobile and beyond based on Oracle applications. This event will provide sessions that range from introductory overviews to technical deep dives covering Oracle's strategic framework for developing multi-channel enterprise applications for the Oracle platforms. Multiple tracks cover every interest and every level and include live online Q&A chats with Oracle's technical staff. For registration and information on Vortual Developer Day: Oracle ADF Development, please follow the link HERE Sign up for one of the following events below: Americas - Tuesday - November 19th / 9am to 1pm PDT / 12pm to 4pm EDT / 1pm to 5pm BRT APAC - Thursday - November 21st / 10am - 1:30pm IST (India) / 12:30pm - 4pm SGT (Singapore) / 3:30pm -7pm AESDT EMEA - Tuesday - November 26th / 9am - 1pm GMT / 1pm - 5pm GST / 2:30pm -6:30pm IST And for those interested in Cloud Application Foundation, including Weblogic and Coherence, don't forget to sign up for the following events: Americas - Tuesday, November 5, 2013 - 9 am - 1 pm PDT/ 12 pm - 4 pm EDT/ 1 pm - 5 pm BRT EMEA - December 3, 2013 - 9 a, - 1 pm GMT/ 1pm - 5pm GST/ 2:30 pm - 6:30 pm ISTThe event will guide you through tooling updates and best practices around developing applications with WebLogic and Coherence as target platforms.

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• How to run python web pages with Apache?

  - by wamp

  Currently our web server is LAMP based, but I need to install trac, which is written by python, how can Apache support python requests?

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• Stairway to SQLCLR Level 3: Security (General and SAFE Assemblies)

  In the third level of our Stairway to SQLCLR, we look at the various mechanisms in place to help us control Security. In this Level we will focus on SAFE mode and see how secure SQLCLR is by default. Free eBook - Performance Tuning with DMVsThis free eBook provides you with the core techniques and scripts to monitor your query execution, index usage, session and transaction activity, disk IO, and more. Download the free eBook.

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• 6 Ways To Customize the Windows 8 Start Screen

  - by Chris Hoffman

  While you can’t get rid of the Start screen in Windows 8, there are lots of ways to customize the look and feel of the Start screen and make it your own. In addition to removing tiles you don’t want to see, you can turn the Start screen into a full-screen desktop application, folder, and website launcher. You can tone the colors down or use an even more colorful design. 7 Ways To Free Up Hard Disk Space On Windows HTG Explains: How System Restore Works in Windows HTG Explains: How Antivirus Software Works

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• Designing a system with different business rules for different customers

  - by user1595846

  My company is rewriting our proprietary business application. The current architecture is poorly done and inflexible. It is coded more procedural oriented as opposed to object oriented. It has become difficult to maintain. Our system is a web application written in .Net Webforms. I am considering ASP.Net MVC for the rewrite. We intend to rewrite it with a good, solid architecture with the goal of maintainability and reusable classes for some of our other systems and services. We would also like the system to be customizable for different customers in the event that we market the system. I am considering redesigning the system based on the layered architecture (Presentation, Business, Data Access layers) described in the Microsoft Patterns and Practices Application Architecture Guide. http://msdn.microsoft.com/en-us/library/ff650706.aspx Hopefully this isn't too open ended, but how would you recommend allowing for different business logic/rules for different customers? I'm aware of Windows Workflow Foundation, but from what I've read about it, it seems many business rules could be too complicated to handle there. Also, Can anyone point me to where I can download an example of a .net solution that is based on the Application Architecture Guide? I have already downloaded the Layered Architecture Solution Guidance and the Expense Sample on codeplex. I was looking for something a bit larger and more robust that I could step through the code and see how it works. If you feel there are better architectures to base our redesign on please feel free to share. I appreciate your help!

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• I need a form to tie MySQL Records together.

  - by John R

  I need a HTML-based form to tie database records together. The user scenario that I envision is somthing like this: A super-user does a search of the database and is delivered a table of records based on that search; each record is numbered with the database-record id. There would also be two text fields next to each record. These text fields would allow: the user to make a reference from one record to another. For example, a user could enter into record id #457 the integer 242 to indicate that there is a correlation with record ID #242. The user would also describe the type of relationship it is. This could be accomplished with a simple integer in the second field that indicates the type of relationship between the two records. When the super-user hits the submit button, all of these relationships are saved in a mySqljoin table. One option is to give me advice on how to implement and code this myself in PHP. However, before I reinvent the wheel, another option is to lead me to a free script that does something similar.

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• What is the value of checking in failing unit tests?

  - by Adam W.

  While there are ways of keeping unit tests from being executed, what is the value of checking in failing unit tests? I will use a simple example: Case Sensitivity. The current code is case sensitive. A valid input into the method is "Cat" and it would return an enum of Animal.Cat. However, the desired functionality of the method should not be case sensitive. So if the method described was passed "cat" it could possibly return something like Animal.Null instead of Animal.Cat and the unit test would fail. Though a simple code change would make this work, a more complex issue may take weeks to fix, but identifying the bug with a unit test could be a less complex task. The application currently being analyzed has 4 years of code that "works". However, recent discussions regarding unit tests have found flaws in the code. Some just need explicit implementation documentation (ex. case sensitive or not), or code that does not execute the bug based on how it is currently called. But unit tests can be created executing specific scenarios that will cause the bug to be seen and are valid inputs. What is the value of checking in unit tests that exercise the bug until someone can get around to fixing the code? Should this unit test be flagged with ignore, priority, category etc, to determine whether a build was successful based on tests executed? Eventually the unit test should be created to execute the code once someone fixes it. On one hand it shows that identified bugs have not been fixed. On the other, there could be hundreds of failed unit tests showing up in the logs and weeding through the ones that should fail vs. failures due to a code check-in would be difficult to find.

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• Best way to update UI when dealing with data synchronization

  - by developerdoug

  I'm working on a bug at work. The app is written in Objective-C for iOS based device, for the iPad. I'm the new guy there and I've been given a hard task. Sometimes, the UIButton text property does not show the correct state when syncing. Basically, when the app is syncing, my UI control would say "Syncing" and when its not syncing it'll display "Updated @ [specific date]". Right now there is a property on the app delegate called "SyncInProgress". When querying / syncing, occurring on background thread, it updates a counter. The property will return a bool checking expression 'counter 0'. There are three states I need to deal with. Sync has started. Sync is updating tables. Sync finished. These items need to occur in order. My coworker suggested to take a state based approach instead of just responding to events. I'm not sure about how to go about that. Would it be best to have the UI receive a notification to determine what state its in or to pull every so often if state changed? Here are two posts that I put on stackoverflow, in the last few days, that relate to this. http://stackoverflow.com/questions/11025469/ios-syncing-using-a-state-approach-instead-of-just-reacting-to-events http://stackoverflow.com/questions/11037930/viewcontroller-when-viewwillappear-called-does-not-always-correctly-reflect-stat Any ideas that anyone might have to very much appreciated. Thanks, developerDoug

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• Running a webserver behind a firewall, is it secure?

  - by i.am.intern

  Currently we have a Linux-based firewall which NAT-ing our public IP address to give internet access to our staff's PCs and a Windows Server 2003 for internal filesharing. I want to host Redmine/SVN (a bugtracker) internally behind this firewall using a Linux server. This webserver will be accessed by our clients externally so they can post bug reports. This means that I have to open port 80 & 22 at the firewall to give access to the webserver and me to SSH it from home. However, let's say I'm using password-based SSH for the webserver and somebody cracked it. Does that mean the cracker could ping and access other servers and PCs in the network?

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• Tracking "To Do" Items

  - by Bill Graziano

  One of the challenges I struggle with is keeping a good "to do" list of things I need to do on the various SQL Servers I support. I have servers that I don't visit on a regular basis so my situation may be different than many of you. Though I'm sure you all have servers that you only touch every few months. (And it's usually the accounting server!) It's difficult for me to remember what changes I made and what changes I need to make. I've tried Outlook, OneNote and various other to do list managers and haven't been happy with any of them. Many are close but just don't give me what I need. As a result I've started writing my own. It's web-based so you can use it from anywhere -- including on a server. It also knows just enough about SQL Server to help structure your to do items and your notes. It isn't agent based and doesn't do any monitoring. Think OneNote or Evernote but with some "SQL Servery" stuff built in. If you'd like to try this or take a survey I'm putting together, add your email address to my mailing list.  I should be ready in a week or so.  I'm only going to use this list for notifications about this service. I'd like to find a small group of people that feel the same pain I do and maybe we can build something interesting.

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• How can I debug what's slowing down new session logins?

  - by David Planella

  For a while, I've had an issue whereby it takes up to 5 minutes from the moment I enter my password in Lightdm's login screen until I can do anything with my computer. That's on Ubuntu 12.04. During that time, I see there is disk activity, but I'm not sure how to figure out what's causing it and whether that is the real cause. I've played around with Bootchart unsuccessfully. Any ideas on what the best way to debug this issue is?

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• Openfire Installation Issue - Can't Login to admin panel

  - by Lobe

  I am trying to get Openfire to install on an Ubuntu virtual machine, however upon completing the web based installer, I am unable to login to the admin panel. So far I: downloaded Debian installer Installed using stock options Added database and built the structure using supplied SQL file Completed web based installer I am now trying to login using username: admin and my password, however I constantly get a wrong username/password error. There is a record generated in the MySQL database showing the admin user with an encrypted password, and changing to an unencoded password doesn't work. What is the problem here?

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• Chrome install failed on ubuntu 12.04

  - by Nathan

  I have tried sudo apt-get install -f and then sudo apt-get update but I still have the same dependency problems: dpkg: dependency problems prevent configuration of google-chrome-stable:i386: google-chrome-stable:i386 depends on xdg-utils And idea how to fix it? BTW, when I use sudo apt-get install -f, I got an output: After this operation, 119 MB disk space will be freed. Do you want to continue [Y/n]? y which seems to remove the files.

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• No Option To Duel Boot Ubuntu 12.04 USB

  - by Jordan

  I have used universal usb installer on my HP probook 2000 on my Kingston data traveler (8GB). When I boot I select to boot from USB and then click on Install Ubuntu 12.04 LTS, I get to the partition part, but there is no option to keep existing Windows and dual boot. I only have Erase entire disk and something else. How can I get this dual boot to come up? Screen Shot Here I also cannot use a CD/DVD

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• Is Page-Loading Time Relevant?

  - by doug

  Take this (ServerFault) page for instance. It has about 20 elements. When the last of these has loaded, the page is deemed "loaded"--but not before. This is certainly the protocol used by our testing service (which is among the small group of well-known vendors that offer that sort of service). Obviously this method is based on a clear, definite endpoint--therefore it's easy to apply w/ concomitant reliability. I think it's also the metric used by the popular Firefox plugin, 'YSlow.' For my employer's website, nearly always the last-to-load items are tracking code, tracking pixels, etc., so from the user's point of view--their perception--the page was "loaded" well before it had actually loaded based on the criterion used by our testing service (15-20% is a rough estimate). I'm sure i'm not the first person to consider this nor the first to wonder if it is causing micro-optimization while ignoring overall system-level, or user-perceived performance. So my question is, are there are other more practical (yet still reasonably precise) measures of page loading time?

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• Introducing the PeopleSoft Interaction Hub

  - by Matthew Haavisto

  The PeopleSoft Applications Portal has just been re-branded as the PeopleSoft Interaction Hub.  It's not just a name change, however.  As part of our ongoing efforts to deliver a richer user experience to PeopleSoft customers, Oracle/PeopleSoft is now offering an enhanced restricted use license (login required) of the PeopleSoft Interaction Hub free with PeopleTools.  This change extends the existing restricted use license to include the following additional capabilities: Dynamic Unified Navigation.  Enables customers to easily provide seamless, unified navigation among their entire PeopleSoft application portfolio. Site-wide branding.  Makes it easier to brand your ecosystem and provide a vivid, contemporary appearance for your applications. These additions augment the capabilities provided in the previous restricted use license, which remain available: creation and use of collaborative workspaces, and pre-built collaborative services for use in related content.  (See the license notes (login required)for a complete list of everything that is granted with the PeopleTools license.)PeopleSoft is moving to deliver a contemporary user experience for your applications users, and the this license change supports that direction.  In addition, the name change reflects our positioning of the PeopleSoft Interaction Hub as a primary means for unifying your PeopleSoft ecosystem, and providing a richer, web-site-based user experience rather than a pillared, application-based experience.See this white paper to get an idea of some of the capabilities that you can employ with the PeopleSoft Interaction Hub to enhance the PeopleSoft user experience.  In addition, this red paper provides valuable 'how-to' guidance.  In the near future we will be producing a best practices guide for deployment.  In the mean time, the most recent release/feature pack of the PIH automates the setup of unified navigation with a Workcenter specifically supporting Unified Navigation. This Workcenter guides administrators through the setup process, and streamlines things.So what should customers do if they still want to use the PeopleSoft Interaction Hub for traditional portal purposes?  Customers can employ the PIH's full capabilities such as multiple site deployment/management and content management, by buying the full, unrestricted license. We are continuing to enhance the product, and it remains part of Applications Unlimited, and we have some exciting features planned.

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• Can't ssh from Ubuntu to RHEL or CentOS

  - by Alex N

  I am trying to setup publickey based authenitcation for 2 different boxes. One RHEL another on e is CentOS. I am having same issue with both where ssh fails and falls back to password based authentication. Error that seems to be causing this is quite obscure: debug1: Unspecified GSS failure. Minor code may provide more information Credentials cache file '/tmp/krb5cc_1000' not found Both boxes are completely unrelated. I have my public key in .ssh/authorized_keys file on both boxes, all permissions are checked and good(700 for .ssh and 600 for internals) I have bunch of other servers that are running on various flavors(Gentoo, Fedora, FreeBSD etc.) and publickey ssh works just fine, but CentOS and RHEL giving me this for some reason :( Anyone experienced this before? I am not even sure how to further analyze this issue :(

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• Sorting for 2D Drawing

  - by Nexian

  okie, looked through quite a few similar questions but still feel the need to ask mine specifically (I know, crazy). Anyhoo: I am drawing a game in 2D (isometric) My objects have their own arrays. (i.e. Tiles[], Objects[], Particles[], etc) I want to have a draw[] array to hold anything that will be drawn. Because it is 2D, I assume I must prioritise depth over any other sorting or things will look weird. My game is turn based so Tiles and Objects won't be changing position every frame. However, Particles probably will. So I am thinking I can populate the draw[] array (probably a vector?) with what is on-screen and have it add/remove object, tile & particle references when I pan the screen or when a tile or object is specifically moved. No idea how often I'm going to have to update for particles right now. I want to do this because my game may have many thousands of objects and I want to iterate through as few as possible when drawing. I plan to give each element a depth value to sort by. So, my questions: Does the above method sound like a good way to deal with the actual drawing? What is the most efficient way to sort a vector? Most of the time it wont require efficiency. But for panning the screen it will. And I imagine if I have many particles on screen moving across multiple tiles, it may happen quite often. For reference, my screen will be drawing about 2,800 objects at any one time. When panning, it will be adding/removing about ~200 elements every second, and each new element will need adding in the correct location based on depth.

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• Desktop goes un-usable after upgrade to 12.04

  - by Tom Nail

  I have multiple Ubuntu systems connected to a KVM, one of which I recently upgraded from Ubuntu 10 to 12.04. After the upgrade, this system desktop does fine until it is allowed to go to idle (i.e., I've switched to another system on the KVM and it locks it's desktop). When I come back to it, the screen is garbled and paging across at a rate seemingly determined by the mouse. Although no pointer is visible, I can get the screen to stop paging (and just be garbled) by moving the mouse left and right. The paging will slow down and come to a stop, if I can align things carefully enough. This condition persists even when I try to go to a CLI-based login (e.g., CTRL+Alt+F1) and will continue until I reboot the machine. Unfortunately, I'm not very familiar with the Unity desktop, so I don't know where to find things to troubleshoot. A restart of lightdm doesn't change anything, so I'm wondering if this might be more hardware based( although this machine hasn't given me any trouble previously in the same setup). The .xsession-errors file has some issues with compiz, nautilus and GConf listed, but I'm not sure those are actually germane to the issue. Thanks for any help, -=Tom

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• What is a Windows text editor that will make it easy for me to have four text files open onscreen at once?

  - by Ascendant

  When brainstorming / planning I like to have four text files open onscreen at once: One for notes/stream of consciousness, one for action items to follow up on, one for a rough outline, etc.... What I'm looking for is an easy way to create / save four text files in this manner in Windows. Most importantly, I need the lines to wrap based on the width of the actual window itself. Not based on a ruler or document size (a la Word or WordPad) and not wrapping "manually only" (like Windows' built in Notepad application.) Also, I need the windows to have no, or at least, little, fluff at the top of each document (menubars, ribbons, etc.) On my Mac, I've found that the built-in TextEdit application is almost perfect for this. There's no header or ribbon taking up space for each document, and lines wrap when they hit the end of the window. I haven't had any luck finding a Windows application that works the same way.

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• Computer becomes unreachable on lan after some time

  - by Ashfame

  I work on my laptop and ssh into my desktop. I use a lot of key based authentication for many servers for work but recently I couldn't login because ssh would pick up and try all the keys and it stops trying before ultimately falling back to password based login. So right now I am using this command: ssh -X -o PubkeyAuthentication=no [email protected] #deskto The issue is after sometime the desktop would just become unreachable from laptop. I won't be able to open its localhost through IP and today I tried ping'in it and found a weird thing. Instead of 192.168.1.4, it tries to ping 192.168.1.3 which I am sure is the root cause as it just can't reach 192.168.1.4 when its actually trying for 192.168.1.3 Ping command output: ashfame@ashfame-xps:~$ ping 192.168.1.4 PING 192.168.1.4 (192.168.1.4) 56(84) bytes of data. From 192.168.1.3 icmp_seq=1 Destination Host Unreachable From 192.168.1.3 icmp_seq=2 Destination Host Unreachable From 192.168.1.3 icmp_seq=3 Destination Host Unreachable From 192.168.1.3 icmp_seq=4 Destination Host Unreachable From 192.168.1.3 icmp_seq=5 Destination Host Unreachable From 192.168.1.3 icmp_seq=6 Destination Host Unreachable From 192.168.1.3 icmp_seq=7 Destination Host Unreachable From 192.168.1.3 icmp_seq=8 Destination Host Unreachable From 192.168.1.3 icmp_seq=9 Destination Host Unreachable ^C --- 192.168.1.4 ping statistics --- 10 packets transmitted, 0 received, +9 errors, 100% packet loss, time 9047ms pipe 3 Also the ping command message comes in multiple and not one by one. (izx answer's the weirdness I thought there was in ping command.) I did check for desktop, its local IP is still the same, so something is going on in my laptop. Any ideas? P.S. - Laptop runs Ubuntu 12.04 & Desktop runs Ubuntu 11.10 Laptop is connected through wifi to router and Desktop is connected through LAN to router. Update: Even after setting up static IP leases in router settings, I again ran into this issue.

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• Im trying to install and run ubuntu server on oracle virtual machine?

  - by user214409

  I have vm installed on I have downloaded the iso. When I run the server and select the iso file I get the error message; Failed to open the optical disk file C:\Users\Owner\VirtualBox VMs\Server4\ubuntu-12.04.3-server-i386.iso. Could not get the storage format of the medium 'C:\Users\Owner\VirtualBox VMs\Server4\ubuntu-12.04.3-server-i386.iso' (VERR_NOT_SUPPORTED). Result Code: VBOX_E_IPRT_ERROR (0x80BB0005) Component: Medium Interface: IMedium {05f2bbb6-a3a6-4fb9-9b49-6d0dda7142ac} Callee: IVirtualBox {fafa4e17-1ee2-4905-a10e-fe7c18bf5554} Callee RC: VBOX_E_OBJECT_NOT_FOUND (0x80BB0001)

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• Is there a way to automate testing for a GNS3 network topology?

  - by Chedy2149

  I'm working on an MPLS backbone topology using GNS3, this topology includes configuration of several networking technologies such as IPv6, BGP, OSPF, IPv6 to IPv4 dynamic tunneling, MPLS based VPNs, MPLS based traffic engineering... So I'm a beginner with basic knowledge in networking (Ipv4 addressing, basic routing and switching) and I can't just easly test if my topology works or not, moreover fiddling with configuration I've noticed that sometimes when getting MPLS config right and missing BGP config all my topology is messed up. Given that I use Cisco 7200 series routers, is there any way to build a test harness for my topology in order to guarentee correctness with a single push button automated process?

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• core.* files eating up server space (~50MB)

  - by skytreader

  I'm renting server space from someone and, upon logging in my control panel after quite sometime, noticed an abnormal spike (~50MB) in the disk usage. Upon investigating, I found a lot of core.* files scattered around my public_html directory. Each one is more than 5MB in size but no more than 6MB. The * part is all numbers (in programming regex, that should be core\.\d+). I downloaded one and checked the contents. There was a lot of balderdash characters (NUL mostly, but also a scattering of ETB, ETX, STX) but there's this block of readable text which says: This text is part of the internal format of your mail folder, and is not a real message. It is created automatically by the mail system software. If deleted, important folder data will be lost, and it will be re-created with the data reset to initial values. Pretty self-explanatory. A few blocks above the text are some more readable messages that look like logs but is sandwiched in between non printable characters. I've extracted some below. Scan not valid for mh mailboxes Bogus character 0x%x in news state Can't rewrite news state %.80s Error closing backup news state %.80s No state for newsgroup %.80s found Now, a few concerns: Am I under attack? The messages seem to be about my webmail but I don't use my personal webmail that much---only for a vanity email address and an inbox for an outdated comments system. However, lately, I seem to notice a spike in the spam for my vanity mail. (Note: the comments system is covered by a captcha but every now and then some get through. My vanity email has a spam filter but it isn't as good as I'd like). Next, if this is a feature, can I turn it off? Is it advisable to? I've only 150MB so you see why I'm fretting over a 50MB spike. Some final details: my only server-side scripts are in PHP. The directory which accumulated the most number of these core files is the one containing the Wordpress-managed subdomain of my site. I manage my server through CPanel. Lastly, I decided to delete this files and after some checking nothing seems amiss in my websites nor in my mail. They are indeed the ones responsible for the ~50MB spike as my disk space usage is back to expected.

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