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• Problem Writing to Samba Share

  - by Chris

  Hello, I have had a problem writing to a Samba Share I believe you have the answer in this post that you posted in October. Can you tell me how to do this? Thank you very much "On the Samba server, you need to ensure that the nobody user has write permissions to /Windows_Backups/DC. You're forcing everyone to be impersonated by the nobody account, so that account will need file-level permissions on that share directory. Samba will respect local permissions when figuring out who can write where, in this case it is somewhat like Windows."

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• NFS mount of /var/www to OS X

  - by ploughguy

  I have spent 2 hours trying to create an NFS mount from my Ubuntu 10.04 LTS server to my OS X desktop system. Objective: three way file compare between the code base on the Mac, the development system on the local Linux test system, and the hosted website. The hosted service uses cpanel so I can mount a webdisk - easy as pie - took 10 seconds. The local Ubuntu box, on the other hand - nothing but pain and frustration. Here is what I have tried: In File Browser, navigate to /var/www/site and right-click. Select share this folder. Enter sharename wwwsite and a comment. Click button "Create Share". Message says - you can only share file systems you own. There is a message on how to fix this, but the killer is that this is sharing by SMB. It will change the LFs to CR-LFs which will affect the file comparison. So forget this option. In a terminal window, run shares-admin (I have not been able to convince it to give me the "Shared Folders" option in the System Administration window - Maybe it is somewhere else in the menu, but I cannot find it) define an NFS export. Enter the path /var/www/site, select NFS enter the ip address of the iMac and save. On the mac, try to mount the file system using the usual methods - finder, command line "mount" command - not found. Nothing. Tried restarting the linux box in case there is a daemon that needs restarting - nothing. So I have run out of stuff to do. I have tried searching the documentation - it is pretty basic. The man page documentation is as opaque as ever. Please, oh please, will someone help me to get this @38&@^# thing to work! Thanks for reading this far... PG.

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• I need an other videocard to replace my ATI HD 5870 which one is good? [closed]

  - by Chris

  At this moment I have a ATI HD 5870 iCooler 5 and I game a lot. I want to replace the card for another, I don't have room in my case to add another 5870. I mainly play games like Battlefield 3, but I can't play this game on Ultra high, for me is this pretty important. So here are my questions: Price is not an issue because computers are a big hobby to me and hobbies cost money :-) Can anyone recommend me a better card, ATI or Nvidia does not mather to me. Why is this card better?

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• Disqus cache of unposted posts

  - by user129107

  Some webpages implement Disqus and also have the rather bad policy of adding auto refresh to the page. This result in for example one writing a long answer in a debate and then a refresh comes along – and everything is gone. Is the comments, written, but not posted, cached somewhere? Is it possible to retrieve? I have experienced this on various pages. In the current case the debate page was reloaded and a rather lengthy post with a lot of references and long thought out sentences vanished. This page closes the debate during night time, and do a auto refresh of the page when one pass midnight – as such I'm not able to retrieve the debate for another 8 hours. Other pages implement for example an auto refresh after 20 minutes. Linux, Google Chrome.

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• Many user stories share the same technical tasks: what to do?

  - by d3prok

  A little introduction to my case: As part of a bigger product, my team is asked to realize a small IDE for a DSL. The user of this product will be able to make function calls in the code and we are also asked to provide some useful function libraries. The team, together with the PO, put on the wall a certain number of user stories regarding the various libraries for the IDE user. When estimating the first of those stories, the team decided that the function call mechanism would have been an engaging but not completely obvious task, so the estimate for that user story raised up from a simple 3 to a more dangerous 5. Coming to the problem: The team then moved to the user stories regarding the other libraries, actually 10 stories, and added those 2 points of "function call mechanism" thing to each of those user story. This immediately raised up the total points for the product of 20 points! Everyone in the team knows that each user story could be picked up by the PO for the next iteration at any time, so we shouldn't isolate that part in one user story, but those 20 points feel so awfully unrealistic! I've proposed a solution, but I'm absolutely not satisfied: We created a "Design story" and put those annoying 2 points over it. However when we came to realize and demonstrate it to our customers, we were unable to show something really valuable for them about that story! Here the problem is whether we should ignore the principle of having isolated user stories (without any dependency between them). What would you do, or even better what have you done, in situations like this? (a small foot-note: following a suggestion I've moved this question from stackoverflow)

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• rsync synchronizing files only without creating folders on destination

  - by Vincent

  Is it possible with rsync to not create directories on destination? Imagine I have that source : a/ a/x.txt b/ b/y.txt And that I have this destination : a/ a/z.txt The wanted result of rsync source destination : a/ a/x.txt a/z.txt Of course my real situation involves thousand files/folders structure and I don't want solutions involving explicit list of synced folders, which I can do. I'm looking for a clean way just to prevent any folder creation on destination. By exclude or filtering... That could even be something outside rsync, like a hack with permissions if rsync can't do this... For information, this is really easy to get this kind of situations, in my case I have: A server with 2 disks, let's say A & B. And a local drive C. I usually use rsync to sync (and merge) remote A & B into local C. Then sometimes I just want to sync back some C files into A and B. (Just new Files... not non-existing folders on destination)

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• How to setup users for desktop app with SQL Azure as backend?

  - by Manuel

  I'm considering SQL Azure as DB for a new application I'm developing. The reason I want to go with Azure is because I don't want to have to maintain yet another database(s) and I want my users to be able to access the data from anywhere. The problem is that I'm not clear regarding how to users will connect. The application is a basic CRUD type of windows app. I've read that you need to add your IP to SQL Azure's firewall to connect to it, but I don't know if it's only for administration purposes only. Can anyone clarify if anyone (anywhere) can access the data with the proper credentials? Which of the following scenarios would work best (if at all)? A) Add each user to SQL Azure and have the app connect directly to Azure as if it was connecting to SQL Server B) Add an anonymous user SQL Azure and pass the real user's password/hash with every call so the Azure database can service the requests accordingly. C) Put a WCF service in between so that it handles the authentication stuff. The service will only serve the appropriate information to the user given his/her authentication and SQL Azure would be open to the service exclusively. D) - ideas are welcomed - This is confusing because all Azure examples I see are for websites. I have a hard time believing SQL Azure wouldn't handle the case of desktop apps connecting to it. So what's the best practice?

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• Group Policy dealing with IE zone assignment not sticking!

  - by Brandon

  I have a group policy (which ONLY deals with the zone assignment) -that is continually switching on and off with reboots. I thought it was a conflicting group policy but when I run group policy modeling report it doesn't show any descrepancies that I can see. I thought it may be an issue with one domain controller wasn't replicating my policy change to the other one, but this isn't the case. I checked both domain controllers and they show the same information. The assignment is on a user basis and is in: user configuration > administrative templates > windows components > internet explorer > internet control panel > security and is site to zone assignment.

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• Is there a feature in Nagios that allows Memory between checks?

  - by Kyle Brandt

  There are various instances where there are values I want to monitor with Nagios, and I don't care as much about the value itself, but rather how it compares to the previous value. For instance, I wrote one to check the fail counters in OpenVZ. In this case, I didn't care about the value that much, but rather I cared if the value increased. Another example might be switch ports, I would be most interested to get alerted about the change of state of a port (Although perhaps a trap would be better for this one). For my OpenVZ script, I used a temp file, but I am wondering if there is a better way? Maybe Nagios has some variables that plugins (check scripts) can access that are persistent across checks?

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• Can we execute steps conditionally in a JMeter script?

  - by Phanindra K

  I have recorded a sequence of steps to be executed for testing my web application, in a JMeter .jmx script. (The recording tool used was BadBoy). It is possible that one of the steps might return an error response in the HTTP response content. In this case, I need the script to stop execution of that thread. However, since the error page is customized, JMeter does not recognize this as an error and proceeds to the next steps. Is there any way to check for certain keywords, for example, and decide if the response is an error?

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• Windows freezes, showing a random color or pattern

  - by Manu

  I have a PC with windows 7, and I'm experiencing random freezes with increasing frequency. After some time (from 30 minutes to a few hours) the screen will shows a random color or pattern (vertical lines) and nothing works anymore, I need to reboot manually. I've checked the events log, but nothing is shown except for the unexpected reboot. I've tested the RAM with Memtest86+ 4.20, and the graphics card with FurMark 1.10.3, no errors have been found. I've updated the graphic drivers and openned the case to remove dust, but the issue is still there. Also, the problem doesn't seem to arise when I'm playing games fullscreen, but when I'm surfing the web, using itunes, or coding. My hardware is as follows : intel core i5 750 CPU, ATI Radeon HD 5670 graphics card, ASUSTeK P7P55D motherboard, two 2Gb KINGSTON DDR3 ram sticks, 2 SATA hard drives, a Netgear dongle for wifi.

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• init.d service died

  - by jerluc

  Adapting some code from a linux forum, I've added a service script to /etc/init.d on my ubuntu natty server to start/stop/restart node.js It literally was working the first day I made it, but then today, after viewing my website this morning, the server threw a 404, and upon further inspection, the node.js process was gone. So I went to start the service again, only this time, node.js didn't start at all, and ever since I haven't been able to get my service script working. Below is the entire script: #!/bin/sh # # Node Server Startup # case "$1" in start) echo -n "Starting node: " daemon node /usr/local/www/server.js echo touch /var/lock/subsys/node ;; stop) echo -n "Shutting down node: " killall node echo rm -f /var/lock/subsys/node rm -f /var/run/node.pid ;; status) status node ;; restart) $0 stop $0 start ;; reload) echo -n "Reloading node: " killall node -HUP echo ;; *) echo "Usage: $0 {start|stop|restart|reload|status}" exit 1 esac exit 0 Thanks for any help!

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• What browser feature is this exploiting and how to stop it ?

  - by ldigas

  http://raffa991.ra.funpic.de/lol/ Warning: It is some kind of an annoying "you are an idiot" sign combined with a lot of popup message boxes. Open with care! In any case, it crashed my firefox 3.5.4. (or to be more precise, made it unusable) ... I don't know about other browsers. Since it's been a while since something that stupid did something like that, I'm wondering ... what weakness is that thing using (Javascript ?), and how to protect oneself from it ?

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• Excel: link value once, then prevent change

  - by user1832164

  For some budgeting spreadsheets I'm working on, I'd like to link each month to a value (in this case, a percentage). However, if the original percentage is changed I ONLY want to change values going forward. For example, let's say item one is budgeted at 10%, so each month reflects 10% of the total (which changes every month). If I decide to change that to 12% going forward, I don't want the previously linked values to also change from 10 to 12% (and throw off lots of other numbers). My thought was to have a check box where if I placed an x, the values would be locked to the value at the time of placing the x and no longer change. Is this possible? I know there are options for doing a paste special, but I'm creating this spreadsheet for someone who is not very Excel savvy, so I want it to be as seamless as possible. Many thanks.

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• Windows DIR listing switch to exclude files in hidden folders

  - by Jason

  I'm trying to get a list of files from a directory excluding files in hidden folders. With the following command, hidden folders are traversed even though I've set /A:-H to exclude hidden directories. Is there a different switch to stop them from being traversed too? dir "C:\SVN" /A:-H /w /b /s Alternatively, for this use case I know the name of the hidden folders I want to exclude, so if there is a way to exclude the folders by name ("\.svn\") that might have to suffice. Thanks!

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• What is the best way to get the external internet gateway IP reported periodically?

  - by basilmir

  I have a OS X Server behind an airport extreme, serving services via opened ports on the airport. The server has a 10.0.x.x local address, always the same one. The airport extreme gets it's external IP address via PPPoE, and sometimes... once a week it changes. For security reasons WE ACTUALLY like this behavior. But i need a way to know the external IP address just in case i need to connect and do something to the server while on the outside. What can i do?

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• Should I indicate that the user exists or was deleted on the error page?

  - by animuson

  On an ordinary public website, the user's profile is always publicly visible to all visitors (such as Stack Overflow), where they can limit certain pieces of information via privacy settings or just removing the information. Now the user has decided to delete their account (in my case deactivate) so that their account doesn't technically "exist" anymore. The way my system is set up, when their account is deactivated, their username for any content connected to them just becomes "Anonymous User" as if it were a guest that posted. I feel like this could cause some confusion for other users. I'm also concerned about what kind of error to display when someone attempts to view their profile page. My gut tells me to just display a standard 404 page to hide the fact that they ever existed, but then you also have to consider that, since usernames must be unique, anyone can go to the register page and type in the username to see if it really exists or not. I have a similar problem with another website, which gives users the ability to hide their profiles from the public and only allow registered users to view it. Again it's with the dilemma of what kind of error message to display when an unregistered users attempts to view their profile with invalid permissions. So, would it be acceptable to display basic errors such as "user has been deactivated" or "you must be logged in to view this profile" in order to give other visitors some idea of why the page can't be displayed, or should I attempt to cover the user's privacy a little and just display a standard 404 without indicating in any way that the user might exist? Are there any other issues that I'm not realizing about either route? To go back to the beginning, should I even bother changing the user's name to "Anonymous User" when their account is deactivated? Would it be acceptable to just display a non-linked version of their username in place of the normal linked display name?

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• Update 3 for "NetBeans Platform for Beginners"

  - by Geertjan

  The latest monthly update of NetBeans Platform for Beginners was released during the last few days. Without any question at all, this book is awesome. I love how it is a 'living book' and that on a monthly basis new updates are made available. In this particular update, as before, reader comments and questions have led to changes and enhancements in the book. In addition, there's now a tighter integration between the long list of samples on GitHub and the book, since wherever a sample relates to a text in the book, the book has a handy icon, so that you know when to hop over to GitHub to get a related sample. Do you have comments or questions about the book? That's what the feedback link is for: https://leanpub.com/nbp4beginners/feedback And there's also a free sample, just in case you'd like to get a feel for the book prior to buying it: http://samples.leanpub.com/nbp4beginners-sample.pdf If you're from a company where you're all sharing a single copy of the book, it would be great if you'd go back and support this great project (and hopefully encourage future books being written) by buying additional copies, ideally one for each developer. Let's show the authors that writing books on the NetBeans Platform is a really profitable thing to do (and I'm hoping they'll write one on Maven and the NetBeans Platform, as well)!

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• HTTP Live Streaming Broadcast

  - by user761389

  I'm designing an app for streaming video from a device (e.g. iPhone) via a server to one or more devices and have been researching Apples HTTP Live Streaming protocol. One thing that isn't clear is whether it is possible to stream live video (with audio) to the server and then have it streamed simultaneously in real time to the client devices. From reading the documentation and technical notes from Apple it seems like the index file needs to be created before the segmented video files can be served to a client. Is this right? If so maybe HTTP Live Streaming isn't suitable in this case, what other technologies or software should I consider? Thanks

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• Installing ubuntu server as linux distro on dell server - what drivers will be missed

  - by Cookie

  Dell (via USC) unpacks specific drivers for both RedHat and Suse to use after installation on its servers. As Ubuntu server isn't officially supported, this clearly isn't happening for Ubuntu. Is Ubuntu server then running with native drivers? In that case, which drivers are native with Ubuntu, and aren't (e.g. are Dell replaced) with RedHat/Suse? Are dell optimized drivers available for Ubuntu somewhere? Can the ones for RedHat or Suse be used with Ubuntu? Are there disadvantages of this lack of fine-tuned drivers, and if yes, what are they? Would they make the switch (and extra costs, as both RedHat and Suse Enterprise aren't cheap) away from the free Ubuntu server worthwhile? Dell recommends Canonical's commercial support for Ubuntu server on its machines, is this recommendable? Do they offer fine-tuned Dell drivers to replace native drivers?

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• Structuring Access Control In Hierarchical Object Graph

  - by SB2055

  I have a Folder entity that can be Moderated by users. Folders can contain other folders. So I may have a structure like this: Folder 1 Folder 2 Folder 3 Folder 4 I have to decide how to implement Moderation for this entity. I've come up with two options: Option 1 When the user is given moderation privileges to Folder 1, define a moderator relationship between Folder 1 and User 1. No other relationships are added to the db. To determine if the user can moderate Folder 3, I check and see if User 1 is the moderator of any parent folders. This seems to alleviate some of the complexity of handling updates / moved entities / additions under Folder 1 after the relationship has been defined, and reverting the relationship means I only have to deal with one entity. Option 2 When the user is given moderation privileges to Folder 1, define a new relationship between User 1 and Folder 1, and all child entities down to the grandest of grandchildren when the relationship is created, and if it's ever removed, iterate back down the graph to remove the relationship. If I add something under Folder 2 after this relationship has been made, I just copy all Moderators into the new Entity. But when I need to show only the top-level Folders that a user is Moderating, I need to query all folders that have a parent folder that the user does not moderate, as opposed to option 1, where I just query any items that the user is moderating. Thoughts I think it comes down to determining if users will be querying for all parent items more than they'll be querying child items... if so, then option 1 seems better. But I'm not sure. Is either approach better than the other? Why? Or is there another approach that's better than both? I'm using Entity Framework in case it matters.

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• How can I organize my video collection and update meta data?

  - by Pieter Breed

  I have a large collection of downloaded video files containing different movies, tv shows and music videos. I have a FreeNAS box set up that uses Fuppes as a UPnP media server. My media player on Windows correctly detects this UPnP collection and can stream from it fine. However, All of my music videos, tv shows and movies are all sorted under the same 'Videos' group. I would like to seperate the different types of video files so that they can correctly go under 'Recorded TV' or whatever the case may be. Any ideas? I guess I am looking for something like an MP3Tagger but for video files?

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• Will 5 Terabyte NAS drive be compatible with Windows XP SP3 32 bit?

  - by TrevorBoydSmith

  (NOTE: The operating system (in this case Windows XP SP3 32 bit) we are using is not a choice.) I am trying to setup a short term storage device. First, I found a large 5 Terabyte NAS drive that would IMO fulfill my storage requirements. Second, I also found that Windows XP seems to have a hard drive size limit (see 'Is there a limit to the size of a hard drive for Windows XP pre-SP1?'): XP should handle up to 2 TB per volume after the service packs are applied. You are correct. There was a 137gb limit on the orginal pre service pack windows xp. This was addressed/fixed in SP1. My question is, will my Windows XP SP3 32 bit machine see the 5 Terabyte NAS and be able to read/write properly to the NAS drive?

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• IIS doesn't respond to 127.0.0.1 (external IP works fine)

  - by Jordan

  I have an AWS web server - call it box.company.com. It's running IIS and if I visit http://box.company.com in a web browser (from any machine, including box.company.com), it responds correctly with our site. However, if I visit localhost/ or 127.0.0.1/ when I'm logged into box.company.com, I get a "couldn't connect to host" message. The hosts file has only one entry - the standard "127.0.0.1 localhost" line. Pinging 127.0.0.1 works fine. Pinging localhost correctly resolves to 127.0.0.1 and works fine. I've tried restarting IIS and restarting the DNS Cache. I had this problem once before, and restarting the server fixed it, but I'd like to know what's going on in case this happens again in the future.

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• Gathering application architecture

  - by userbb

  Suppose there is system for gathering info about system activities. There is a client part with an interface and there are agent parts that are installed on each machine. I estimate that there could be max 20 computers now. Later could be more like 50. My solutions: Agent stores data into local database e.g. sqlite. There is also a service which can be used by a client to query data. So if a client wants to display data for 50 computers, he sends a query to 50 computers. I'am on that solution now but maybe it's totally wrong. Agent stores data into local database (I don't known good one for that). There is also server (main database) and local databases are synchronized with the server. In this case, a client connects to the main database to display data. Agent sends data in realtime to main database. So same as point 2, but there is no sync. Like in point 3, but agent buffers data in local database and sends it in small chunks to main database. What is the best approach?

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