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• Options for remote desktop software for helping remote users?

  - by Nick G

  I need an easy way to jump on someone elses machine to help them solve a problem. It needs to be really easy for them to install (preferably doesn't actually require an "install" but just running an exe?). It must punch through any firewalls automatically using a relay server or P2P (so Remote Desktop itself is no use to me). I've found commercial products like MeetMeNow but they're really expensive. I want something that you can either buy a cheap pack of sessions or minutes, or preferably something free. I'm not in the business of commerical support and would only use it once every couple of months perhaps.

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• Technology Choice for a Client Application [on hold]

  - by AK_

  Not sure this is the right place to ask... I'm involved in the development of a new system, and now we are passing the demos stage. We need to build a proper client application. The platform we care most about is Windows, for now at least, but we would love to support other platforms, as long as it's free :-). Or at least very cheap. We anticipate two kinds of users: Occasional, coming mostly from the web. Professional, who would probably require more features, and better performance, and probably would prefer to see a native client. Our server exposes two APIs: A SOAP API, WCF behind the scenes, that supports 100% of the functionality. A small and very fast UDP + Binary API, that duplicates some of the functionality and is intended for the sake of performance for certain real-time scenarios. Our team is mostly proficient in .Net, C#, C++ development, and rather familiar with Web development (HTML, JavaScript). We are probably intending to develop two clients (for both user profiles), a web app, and a native app. Architecturally, we would like to have as many common components as possible. We would like to have several layers: Communication, Client Model, Client Logic, shared by both of the clients. We would also like to be able to add features to both clients when only the actual UI is a dual cost, and the rest is shared. We are looking at several technologies: WPF + Silverlight, Pure HTML, Flash / Flex (AIR?), Java (JavaFx?), and we are considering poking at WinRT(or whatever the proper name is). The question is which technology would you recommend and why? And which advantages or disadvantages will it have regarding our requirements?

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• Purchase Vouchers From A Reputable Source

  - by Harold Green

  We have seen a recent increase in counterfeit vouchers being marketed online and we want to make sure our Candidates are aware of the risks of purchasing vouchers from unauthorized sellers. Please be advised that only Oracle University and Oracle University authorized resellers may sell vouchers for Oracle Certification exams. If you purchase a voucher from any other source, your voucher may not be valid and you run the risk of program sanctions from Oracle which could include a lifetime ban on taking Oracle Certification exams. Be sure your voucher is from an authorized source: Oracle University Oracle Authorized Reseller If you are unsure whether your voucher seller is an Authorized Reseller: Call Oracle University to confirm. Check for the official Oracle Reseller logo on the website. Ebay, Craigslist, etc are not authorized resale avenues. The only exceptions to the above sources are vouchers from programs that provide a discount on exams, or vouchers from your employer who has purchased them through their partner program or with learning credits. These vouchers may not purchased by you, but may be provided to you from: Oracle Academy Oracle Workforce Development Partner Your employer who has purchased vouchers directly from Oracle  This investment is too important to trust to chance. Be sure that you are purchasing your voucher from a reputable source so that you can free your mind to prepare for your exam. View the full Oracle Certification Exam Voucher Use Policy.

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• Team Foundation Service Preview now open for all!

  - by Tarun Arora

  The concept of TFS in the cloud was first presented back in early 2010, the product team worked hard to preview a constantly evolving solution at the BUILD conference last year and after having completed 31 Sprints today the preview service has been opened for all. No more invitation codes required, TfsPreview has been made public! “Since we announced the Team Foundation Service Preview at the BUILD conference last year, we’ve limited the on boarding of new customers by requiring invitation codes to create accounts.  The main reason for this has been to control the growth of the service to make sure it didn’t run away from us and end up with a bad user experience.  In this time period, we’ve continued to work on our infrastructure, performance, scale, monitoring, management and, of course, some cool new features like cloud build. ”   - Brian Harry Since the service is still in preview, it is free for all… If you haven’t, now is the best time to try out the offering. There is no fixed time line on how long before service becomes chargeable but the terms of service support production use, the service is reliable and the product team committed to carry all of your data forward into production. “The service will remain in “preview” for a while longer while we work through additional features like data portability, commercial terms, etc but the terms of service support production use, the service is reliable and we expect to carry all of your data forward into production. ”  - Brian Harry As of today it’s possible to use TFS Preview with VS 2012 RC, VS 2010 SP1, VS 2008 SP1, the service currently does not work with VS 2005, this is something the product team is actively working on. You can refer to Brian’s announcement blog post here, http://blogs.msdn.com/b/bharry/archive/2012/06/11/team-foundation-service-preview-is-public.aspx

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• Why is my mdadm raid-1 recovery so slow?

  - by dimmer

  On a system I'm running Ubuntu 10.04. My raid-1 restore started out fast but quickly became ridiculously slow (at this rate the restore will take 150 days!): dimmer@paimon:~$ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdc1[2] sdb1[1] 1953513408 blocks [2/1] [_U] [====>................] recovery = 24.4% (477497344/1953513408) finish=217368.0min speed=113K/sec unused devices: <none> Eventhough I have set the kernel variables to reasonably quick values: dimmer@paimon:~$ cat /proc/sys/dev/raid/speed_limit_min 1000000 dimmer@paimon:~$ cat /proc/sys/dev/raid/speed_limit_max 100000000 I am using 2 2.0TB Western Digital Hard Disks, WDC WD20EARS-00M and WDC WD20EARS-00J. I believe they have been partitioned such that their sectors are aligned. dimmer@paimon:/sys$ sudo parted /dev/sdb GNU Parted 2.2 Using /dev/sdb Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) p Model: ATA WDC WD20EARS-00M (scsi) Disk /dev/sdb: 2000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 2000GB 2000GB ext4 (parted) unit s (parted) p Number Start End Size File system Name Flags 1 2048s 3907028991s 3907026944s ext4 (parted) q dimmer@paimon:/sys$ sudo parted /dev/sdc GNU Parted 2.2 Using /dev/sdc Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) p Model: ATA WDC WD20EARS-00J (scsi) Disk /dev/sdc: 2000GB Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 2000GB 2000GB ext4 I am beginning to think that I have a hardware problem, otherwise I can't imagine why the mdadm restore should be so slow. I have done a benchmark on /dev/sdc using Ubuntu's disk utility GUI app, and the results looked normal so I know that sdc has the capability to write faster than this. I also had the same problem on a similar WD drive that I RMAd because of bad sectors. I suppose it's possible they sent me a replacement with bad sectors too, although there are no SMART values showing them yet. Any ideas? Thanks. As requested, output of top sorted by cpu usage (notice there is ~0 cpu usage). iowait is also zero which seems strange: top - 11:35:13 up 2 days, 9:40, 3 users, load average: 2.87, 2.58, 2.30 Tasks: 142 total, 1 running, 141 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3096304k total, 1482164k used, 1614140k free, 617672k buffers Swap: 1526132k total, 0k used, 1526132k free, 535416k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 45 root 20 0 0 0 0 S 0 0.0 2:17.02 scsi_eh_0 1 root 20 0 2808 1752 1204 S 0 0.1 0:00.46 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root RT 0 0 0 0 S 0 0.0 0:00.02 migration/0 4 root 20 0 0 0 0 S 0 0.0 0:00.17 ksoftirqd/0 5 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 6 root RT 0 0 0 0 S 0 0.0 0:00.02 migration/1 ... dmesg errors, definitely looking like hardware: [202884.000157] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [202884.007015] ata5.00: failed command: FLUSH CACHE EXT [202884.013728] ata5.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 [202884.013730] res 40/00:00:ff:59:2e/00:00:35:00:00/e0 Emask 0x4 (timeout) [202884.033667] ata5.00: status: { DRDY } [202884.040329] ata5: hard resetting link [202889.400050] ata5: link is slow to respond, please be patient (ready=0) [202894.048087] ata5: COMRESET failed (errno=-16) [202894.054663] ata5: hard resetting link [202899.412049] ata5: link is slow to respond, please be patient (ready=0) [202904.060107] ata5: COMRESET failed (errno=-16) [202904.066646] ata5: hard resetting link [202905.840056] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [202905.849178] ata5.00: configured for UDMA/133 [202905.849188] ata5: EH complete [203899.000292] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [203899.007096] ata5.00: failed command: IDENTIFY DEVICE [203899.013841] ata5.00: cmd ec/00:01:00:00:00/00:00:00:00:00/00 tag 0 pio 512 in [203899.013843] res 40/00:00:ff:f9:f6/00:00:38:00:00/e0 Emask 0x4 (timeout) [203899.041232] ata5.00: status: { DRDY } [203899.048133] ata5: hard resetting link [203899.816134] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [203899.826062] ata5.00: configured for UDMA/133 [203899.826079] ata5: EH complete [204375.000200] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [204375.007421] ata5.00: failed command: IDENTIFY DEVICE [204375.014799] ata5.00: cmd ec/00:01:00:00:00/00:00:00:00:00/00 tag 0 pio 512 in [204375.014800] res 40/00:00:ff:0c:0f/00:00:39:00:00/e0 Emask 0x4 (timeout) [204375.044374] ata5.00: status: { DRDY } [204375.051842] ata5: hard resetting link [204380.408049] ata5: link is slow to respond, please be patient (ready=0) [204384.440076] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [204384.449938] ata5.00: configured for UDMA/133 [204384.449955] ata5: EH complete [204395.988135] ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [204395.988140] ata5.00: failed command: IDENTIFY DEVICE [204395.988147] ata5.00: cmd ec/00:01:00:00:00/00:00:00:00:00/00 tag 0 pio 512 in [204395.988149] res 40/00:00:ff:0c:0f/00:00:39:00:00/e0 Emask 0x4 (timeout) [204395.988151] ata5.00: status: { DRDY } [204395.988156] ata5: hard resetting link [204399.320075] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [204399.330487] ata5.00: configured for UDMA/133 [204399.330503] ata5: EH complete

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• Let's Get It Started! Oracle OpenWorld Music Festival

  - by Oracle OpenWorld Blog Team

  By Karen Shamban How are you spending your day at Oracle OpenWorld? At the Oracle Users Forum? Getting some training at Oracle University? Meeting up with colleagues and friends to discuss technology? Doing some or all of the above while enjoying the gorgeous fall weather in San Francisco? Regardless of how your day is going, be sure to attend the opening keynote this evening - starting at 5:00 p.m. -  at Moscone North, Hall D. Larry Ellison is the featured keynoter, so you know he'll have something interesting and intriguing to say. Following the keynote is the Welcome Reception, being held this year in both the Howard Street Tent and Yerba Buena Gardens. Debuting tonight is the Oracle OpenWorld Music Festival and it's going to be awesome! The schedule for this evening is below. Note that due to limited capacity at some venues, admission (free with your Oracle OpenWorld badge) is first-come, first-served.  Enjoy yourself, and rock on! Time Performer Venue 7:00 p.m DJ ZAQ John Colins 7:00 p.m DJ Blondie K. Ruby Skye 7:15 p.m The Velvet Teen Mezzanine 8:30 p.m Astral Mezzanine 8:30 p.m. Macy Gray Yerba Buena Gardens 9:00 p.m. American Steel Mezzanine 8:30 p.m. Magic Wands Ruby Skye 10:00 p.m. The Crystal Method Ruby Skye 10:30 p.m. Dirty Ghosts Mezzanine

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• Copying dovecot maildir to another server with courier maildir

  - by NovumCoder

  Hi all, i just moved all my mailboxes first from one server to the new one by using rsync. After that i created the folders using Thunderbird to have same folder structure like on old server. Then i copied all mail files into the folders. Now when i subscribe and click on the folder in Thunderbird it starts downloading the headers of all mails, but after finishing download nothing appears in the mail list. Its like my folder is empty and everytime i click again on the folder thunderbird starts again downloading headers. What is wrong here? I found a solution using a tool called imapsync, but its not for free, so i started doing it by copy&paste. I thought Thunderbird will be able to fix the indexes. :-( Or is there a better solution to migrate from dovecot maildir to courier maildir?

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• Installing Solaris with Window. Disk partitioning problem.

  - by RishiPatel

  I am running windows and want to install the solaris but having hard time while using installer. I have 1 primary partition of 40GB and one extended partition. Extended partition have 4 logical drive. Solaris disk management window show only two partition one is of 40GB(Primary) and second is Extended partition. Can i convert a logical drive into primary partition( I have one free of 25 GB). Please look at the screenshot of disk management utitlity of window. http://img195.imageshack.us/img195/2005/20726948.jpg Is there any way to install solaris without reformatting the and repartitioning whole drive? In case it is not possible how should i partition and using which utility ?

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• Volume size doesn't match Disk size after gparted expansion

  - by Cybersylum

  I just expanded a basic disk on a Windows XP VM from 15gb to 40 gb using GPARTED LiveCD (0.5.2-11). I didn't notice anything unusual during the expansion; but after I rebooted back into Windows, the disk capacity doesn't match the disk size as it should (only 1 volume on the disk). The disk shows as 40gb; but the C: volume still shows the original size. I've tried expanding the disk again with GPARTED (no change), and using VMware converter and have it adjust the size of the volume during the process (complains about a lack of space of snapshot error inside the os). The volume has 27% free space so I don't think it is a space issue. Chkdsk doesn't seem to find anything wrong either. The OS seems to run just fine, it doesn't see the additional space however. Any ideas?

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• SQL Saturday #274 Slovenia

  - by Dejan Sarka

  Yes, here it is SQL Saturday #274 is coming to Slovenia (#sqlsatSlovenia). The event will take place on Saturday, December 21st, at company pixi* labs, Informacijske tehnologije, d.o.o. Poslovna cona A 2 SI-4208 Šencur This company generously offered to host the event. We, the whole Slovenian SQL Server community, are very grateful for this. At this time, a call for speakers went out, and we are already getting the first proposals. We are especially happy that we will get possibility to show the foreign speakers how beautiful Slovenia and especially the capital Ljubljana is in December. Expect a lot of partying right on the streets, no matter of weather. Be prepared, we have slightly weird customs when it comes to drinks. For example, our regular special discount offer is not three drinks for the price of two; it is six drinks for the price of five. If you are a speaker or want to become one, consider sending a proposal. Since most of the sessions will be held in English and you don’t want to speak, consider coming as a visitor as well. Or maybe you would be interested to become a sponsor. Although we are targeting a low budgeted event, any kind of sponsorship is very welcome. Please feel free to contact the organizers if you are interested to become a sponsor: Matija Lah – [email protected], Mladen Prajdic - [email protected], or Dejan Sarka  - [email protected]. Looking forward to see you all!

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• Text comparison utility

  - by Aaron

  I know this has been asked before...but I have a spin as I have been trying out varying free software offerings. I want to rid out department of DiffDoc the problem is that I am having trouble locating something that will do what we need. WinMerge has been the latest attempt... The problem is simple. One Word doc...one PDF with a portion of it containing the text to be compared against. Compare them and be done. Raw text, ignore whitespace, ignore carriage returns, etc... Just compare the text and give me the results in some sort of report. NOTE: Have tried ExamDiff, kdiff3, Tortoise, and a few others...

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• New Exam Prep Seminar for Program With PL/SQL!

  - by Harold Green

  We're happy to announce the availability of a brand new Exam Prep Seminar titled Certification Exam Prep Seminar: Program with PL/SQL. This new Exam Prep Seminar is available as a standalone product. For those of you preparing for the Oracle PL/SQL Developer Certified Associate certification, this seminar is a great value and and an excellent way to gain valuable insight from one of Oracle University's top Database instructors. This Exam Prep Seminar will accelerate your preparation, make your prep time more efficient and give you insight to the breadth and depth of the certification exam. This type of exam preparation has traditionally only been available at the Oracle OpenWorld conference, but is now available to anyone through this new format. Of course with online video, you can now start, stop, rewind, and review as needed! Also note that because this seminar is in the Oracle Training On Demand format, you can also watch it on your your iPad through Oracle University's new free iPad app. QUICK LINKS SEMINAR: Certification Exam Prep Seminar: Program with PL/SQL APPLICABLE EXAMS: 1Z0-147: Program With PL/SQL 1Z0-144:  Oracle Database 11g: Program with PL/SQL CERTIFICATION: Oracle PL/SQL Developer Certified Associate

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• System Monitoring Redundancy

  - by Josh Brower

  I consult in a small business environment where I have two HyperV hosts (with <10 VMs) + a couple other servers. I recently had an issue where one of the HyperV hosts had a CPU issue and it came down, bringing most of my non-critical VMs with it, plus a free piece of software that I use for network & system monitoring and availability. Because of this, and the fact that iDRAC locked up to, I did not get any alerts about the crash. So I am wondering how I can (cheaply) get a redundant availability monitoring system in place--Is is as simple as running Nagios or Zenoss (or whatever) on two different HyperV hosts? It just seems like running more than one copy of Nagios/Zenoss/etc could be expensive and have high overhead. Thoughts? Thanks! -Josh

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• Windows Azure Event

  - by Blog Author

  Get cloud ready with Windows Azure The cloud is everywhere and here at Microsoft we’re flying high with our cloud computing release, Windows Azure. As most of you saw at the Professional Developers Conference, the reaction to Windows Azure has been nothing short of “wow” – and based on your feedback, we’ve organized this special, all-day Windows Azure Firestarter event to help you take full advantage of the cloud. Maybe you've already watched a webcast, attended a recent MSDN Event on the topic, or done your own digging on Azure. Well, here's your chance to go even deeper. This one-of-a-kind event will focus on helping developers get ‘cloud ready’ with concrete details and hands-on tactics. We’ll start by revealing Microsoft’s strategic vision for the cloud, and then offer an end-to-end view of the Windows Azure platform from a developer’s perspective. We’ll also talk about migrating your data and existing applications (regardless of platform) onto the cloud. We’ll finish up with an open panel and lots of time to ask questions. Following this event, please join us for an engaging conversation about any and all Cloud Computing topics. This FREE event is hosted by Northwest Cloud, the cloud agnostic community group, and sponsored by Microsoft. http://www.nwcloud.org/redmond/2010-04-06

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• Multi-Resolution Mobile Development

  - by user2186302

  I'm about to start development on my first game for mobile phone (I already have a flash prototype completed so it's jsut a matter of "porting" it to mobile and fixing up the code) and plan on hopefully being able to get the game working on iphones and most android devices. I am using Haxe along with OpenFL and HaxeFlixel for development. My question is: What resolution should I design the game in initially and/or what is the best way to develop a game for multiple resolutions. I have found multiple different methods, the best, in my opinion, being strategy 3 on this page: http://wiki.starling-framework.org/manual/multi-resolution_development. However I have some questions about this. First, what would the best base resolution to use be, the guide suggests 240*320 which seems alright to me, although if I chose to use pixel graphics as I most probably will given I'm using HaxeFlixel, I'm not sure if they'll look too blocky on larger screens which I'm not even sure is a problem as it might still look alright. (Honestly, not sure about that and if anyone has any examples of games that use this method and look nice). Finally, please feel free to share whatever methods you use and think is best. For example, HaxeFlixel has a scaling feature that scales the game to fit the exact screen size, but I'm afraid that would lead to blurry and improperly scaled graphics since it would scale by non-integers. But, I'm not sure how noticeable a problem that may or may not be. Although from experience I'm pretty sure it won't look nice and currently I do not think I'm going to go for this option. So, I would really appreciate any help on this subject. Thank you in advance.

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• Thunderbird gives " Not enough disk space " alert, after trying to download more emails ( Win 7, 64 bit )

  - by James C

  So, today I have installed Mozilla Thunderbird 24.2.0 on my Windows 7 (64 bit) machine. It was downloading emails, until it hit an error. An alert showed up saying : "There is not enough disk space to download new messages. Try deleting old mail, emptying the Trash folder, and compacting your mail folders, and then try again." Now, disk space is not a problem, there is enough free space left ( almost 50 % of the drive ). How to stop the alert and continue downloading ?

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• DHCP server with database backend

  - by Cory J

  I have been looking around for something to replace my (ancient) ISC-DHCPd server. A DHCP server with a database backend sounds like a great idea to me, as I could then have a nice, friendly web interface to my server. Surprisingly, I can't any major open-source projects that offer this. Does anyone know of one? I have also read about modifying ISC to use a database backend...can anyone tell me if this solution is stable enough for a busy production server? Or is using a database a Bad Idea™ all together? PS - http://stackoverflow.com/questions/893887/dchp-with-database-backend looks like SO couldn't answer this old, similar question. EDIT: I am looking for something on a free OS platform, Linux or BSD. If there is something absolutely great that is Windows-only though, still interested.

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• Tracking feature requests for small-scale components

  - by DXM

  I'm curious how other development teams (especially those that work in moderate to large development groups) track "future" features/wishlists for functionality for internally developed frameworks or components. I know the standard advice is that a development team should find one good tool for tracking bugs/features and use that for everything and I agree with that if the future requests are for the product itself. In my company we have an engineering department, which is broken up into multiple groups and within each there can be one to several agile teams. The bug tracking product we use has been "a leader since 1997" (their UI/usability seems to also be evaluated against that year even today) but my agile team or even group doesn't really control what is being used by the whole department. What we are looking to track is not necessarily product features but expansion/nice to have functionality for internal components that go into our product. So to name a few for example... framework/utility library on top of CppUnit which our developers share low-level IPC communications framework Common development SDK that myself and several other team leads started to help share some common code/tools at the department-wide level (this SDK is released as internal "product" to each of the groups). Is the standard practice to use the one bug tracking tool? Or would it make more sense to setup something more localized specifically for our needs and maintain it ourselves? It's also unclear how management will feel if developers start performing "IT" roles of maintaining software and servers. At the same time, right now, we use excel files, internal wiki and MS OneNote for this kind of stuff and that just doesn't feel right. (I'm afraid to ask for actual software recommendations, since that might make this question more localized or something. Also developers needs this way more than management, so it would be nice to find something either free or no more than the cost of a happy hour).

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• Developing games using virtualization on macOS (or Linux) [on hold]

  - by zpinner

  From what I've seen, most of the gamedev tools and engines (that could generate cross platform games) are not supported on Mac. Havok/Project Anarchy, UDK, GameMaker, e.g. . Basically, the only options I found are: Unity3d and monogame + xamarin. Unity is nice and I've been playing with it for some time, but the free version is quite limited when we're talking about shaders, that made me consider that as an indie developer, I might want more freedom to experiment new things, without paying the expensive unity license. I didn't try monogame + xamarin yet, and altough XNA is a very nice game framework, I'd like to have more freedom to experiment and finish a game first before paying for the IDE, which is not possible with the current Xamarin business model. That leaves me with the thought that I must go back to windows, which I'd preferably do it partially, if it's possible. Using BootCamp is something that I'd like to avoid, since it's a pain to reboot when changing OS and that would probably force me to become a 100% windows user. Is there anyone actually developing a game using virtualization solutions like parallels or vmwareFusion? How was your experience?

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• How do I boot a virtual machine image from my network?

  - by Haabda

  I have many machines which require the same configurations. My goal is to boot them all from the network and load a virtual machine. It would be wonderful to have one image for all of our customer service machines. That way, I could load the virtual image, perform updates, and know the next time they boot up they will have all the changes. Ideally, the machines would store the image locally and only download a new image if there has been a change. With all the information out there on "desktop virtualization", "PXE booting", and "virtual machines", I feel lost. I have been reading for hours and feel like I have only just scratched the surface. I would like to do this using open source or free software. Any suggestions?

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• Glimpse: Open Source Web Development

  - by Elizabeth Ayer

  We’re delighted to announce that Red Gate will be backing Glimpse! For those of you who aren’t familiar with the project, Glimpse is an open source tool which does for the server what Firebug does for the client. It’s been in beta for the last year, and we’re very excited to give Glimpse the support and dedicated effort needed to take it to a v1 and beyond. Glimpse’s founders (Nik Molnar and Anthony van der Hoorn) have joined Red Gate, and they’re just as excited as we are about the opportunities that active development of Glimpse will bring. They will continue to write code, support the community and drive the project forward (as they’ve done since its inception). With full-time attention on growing Glimpse and its community, users and developers can expect the project to accelerate, with frequent releases of new functionality. Red Gate is excited about its first major involvement with open source. You may well be wondering, though, why Red Gate is doing this. Glimpse dovetails beautifully with Red Gate’s .NET tools, which makes Glimpse an ideal framework for plugging in advanced, paid-for functionality (like performance analysis) the way web developers want to see it. As a means to this end, we will contribute to the Glimpse open source project in order to broaden its adoption and delight web developers. Since bringing in .NET Reflector in 2008, we’ve learnt sharp lessons from the community about the right and wrong ways to engage with developers, not to mention the enduring value of free. Glimpse further shows what the .NET community can achieve through open source collaboration, and we’re looking forward to working with the Glimpse community to make something enduring and awesome. Nik and Anthony, themselves passionate advocates of community-driven software, will continue to control the Glimpse project, steering it to best meet the needs of its users and contributors. If you have any questions or queries about Glimpse, or Red Gate’s involvement in the project, please tweet with the #glimpse hashtag, contact us at Red Gate on [email protected], or post to the Glimpse Development Forum on Google Groups.

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• Today @ OOW: Identity Management for the SoMoClo world

  - by B Shashikumar

  Today at OpenWord, we have a very interesting lineup of Identity Management sessions that discuss how to extend identity management securrley to cloud, mobile and social ecosystems. Here are 3 of the can’t miss identity management sessions today: Identity Management and the Cloud: Security is regularly identified as the #1 barrier to cloud service adoption. Oracle Identity Management is designed to help customers extend and connect core identity services to SaaS applications and systems. This session explores how organizations are using Oracle Identity Management with cloud services and how some customers are offering identity management as a cloud service. Real-time External Authorization for Applications, Middleware and Databases: Externalization of authorization is key to manageability and audit. This session covers enterprise wide authorization solution deployment best practices and real-world examples of using Oracle Entitlements Server—the one-stop standards-compliant authorization solution—for middleware, applications, and data. Delivering Secure WiFi on the Tube as an Olympics Legacy from London 2012: In this session, Virgin Media, the U.K.’s first combined provider of broadband, TV, mobile, and home phone services, shares how it is providing free secure Wi-Fi services to the London Underground, using Oracle Virtual Directory and Oracle Entitlements Server, leveraging back-end legacy systems that were never designed to be externalized. As an Olympics 2012 legacy, the Oracle architecture will form a platform to be consumed by other Virgin Media services such as video on demand. Here is the complete lineup of Identity Management sessions today at OOW.

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• Personalized Pricing

  - by David Dorf

  In past postings I've spent a fair amount of time talking about targeted promotions.  Using a complete view of the customer that includes purchase history, location history, and psychographics gleaned from social media, we can select the offer with the greatest chance of redemption.  This is done to influence shopping behavior, which might be introducing the consumer to a new product line, increasing their basket size, increasing frequency of purchases, etc. Safeway seems to be taking a slightly different approach with their personalized pricing.  In additional to offering electronic coupons and club card offers, they are also providing a personalized price for certain items based on purchase history.  So when Sally want to shop at Safeway, she first checks the "Just for U" website for three types of deals.  She starts by selecting manufacturer coupons to load into her loyalty card, then she checks the Club Card for offers like "buy one get one free." The third step is the interesting one.  Safeway will set a particular lower price for Sally good for 90 days on items she buys often.  Clearly this isn't enforcing a new behavior but rather instilling loyalty.  I would love to know exactly how they are determining the personalized price.  Of course bargain hunters can still stack the three offers so they can, for example, get their $4.99 Oatmeal for $0.72. I like this particular question and answer from their website's FAQ: My offers are not that great. Can I tell you what offers I need? That's a good idea. That functionality is not currently available, but we appreciate your input and are constantly improving our just for U program. Stay tuned for exciting enhancements! I suppose if Safeway is tracking all the purchases, they can easily determine whether the customer if profitable.  As long as the customer stays profitable, why not let them determine a few offers themselves?  Food for thought.

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• Dynamically setting a value in XAML page:

  - by kaleidoscope

  This is find that I came across while developing the Silverlight screen for MSFT BPO Invoice project. Consider an instance wherein I am calling a xaml page as a popup in my parent xaml. And suppose we wanted to dynamically set a textbox field in the parent page with the  values that we select from the popup xaml. I tried the following approaches to achieve the above scenario: 1. Creating an object of the parent page within the popup xaml and initializing its textbox field.         ParentPage p = new ParentPage();         ParentPage.txtCompCode.Text = selectedValue; 2. Using App app = (App)Application.Current and storing the selected value in app. 3. Using IsolatedStorage All the above approaches failed to produce the desired effect since in the first case I did not want the parent page to get initialized over and over again and furthermore in all the approaches the value was not spontaneously rendered on the parent page. After a couple of trials and errors I decided to tweak the g.cs file of the Parent xaml. *.g.cs files are autogenerated and their purpose is to wire xaml-element with the code-behind file. This file is responsible for having reference to xaml-elements with the x:Name-property in code-behind. So I changed the access modifier of supposed textbox fields to 'static' and then directly set the value in popup xaml page as so: ParentPage.txtCompCode.Text = selectedValue; This seemed to work perfectly. We can access any xaml's g.cs file by going to the definition of InitializeComponent() present in the constructor of the xaml. PS: I may have failed to explore other more efficient ways of getting this done. So if anybody does find a better alternative please feel free to get back to me. Tinu

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• Maximizing TCP connections on HAProxy load balancer

  - by imaginative

  I am currently using HAProxy in order to load balance tcp connections from clients to my Erlang app server. The connection is persistent, which means I'm limited to roughly 64K clients on an optimized server (I'm currently running HAProxy on an m1.large EC2 instance). My app server is designed to horizontally scale based on the number of TCP connections. What's worrying me though is I'll need an equal number of HAProxy servers as app servers since it's a 1:1 connection. Is there currently a way to "proxy" the tcp connection to the app server so that once HAProxy sends the client off to my Erlang server, it can free up the connection, ready to serve another client? Are there any papers, existing solutions out there I can read so that I only have to worry about the 64K limit on my app servers, and not on the load balancing servers themselves?

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