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Free Advanced ADF eCourse, part II

- by Frank Nimphius

Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} A second part of the advanced Oracle ADF online training is available for free. Lynn Munsinger and her team worked hard to deliver this second part of the training as close to the release of the first installment as possible. This two part advanced ADF training provides you with a wealth of advanced ADF know-how and insight for you to adopt in a self-paced manner. Part 1 (though I am sure you have this bookmarked): http://tinyurl.com/advadf-part1 Part 2 (the new material): http://tinyurl.com/advadf-part2 Quoting Lynn: "This second installment provides you with all you need to know about regions, including best practices for implementing contextual events and other region communication patterns. It also covers the nitty-gritty details of building great looking user interfaces, such as how to work with (not against!) the ADF Faces layout components, how to build page templates and declarative components, and how to skin the application to your organization’s needs. It wraps up with an in-depth look at layout components, and a second helping of additional region considerations if you just can’t get enough. Like the first installment, the content for this course comes from Product Management. This 2nd eCourse compilation is a bit of a “Swan Song” for Patrice Daux, a long-time JDeveloper and ADF curriculum developer, who is retiring the end of this month. Thanks for your efforts, Patrice, and bon voyage!" Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Indeed: Great job Patrice! (and all others involved)

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About the K computer

- by nospam(at)example.com (Joerg Moellenkamp)

Okay ? after getting yet another mail because of the new #1 on the Top500 list, I want to add some comments from my side: Yes, the system is using SPARC processor. And that is great news for a SPARC fan like me. It is using the SPARC VIIIfx processor from Fujitsu clocked at 2 GHz. No, it isn't the only one. Most people are saying there are two in the Top500 list using SPARC (#77 JAXA and #1 K) but in fact there are three. The Tianhe-1 (#2 on the Top500 list) super computer contains 2048 Galaxy "FT-1000" 1 GHz 8-core processors. Don't know it? The FeiTeng-1000 ? this proc is a 8 core, 8 threads per core, 1 ghz processor made in China. And it's SPARC based. By the way ? this sounds really familiar to me ? perhaps the people just took the opensourced UltraSPARC-T2 design, because some of the parameters sound just to similar. However it looks like that Tianhe-1 is using the SPARCs as input nodes and not as compute notes. No, I don't see it as the next M-series processor. Simple reason: You can't create SMP systems out of them ? it simply hasn't the functionality to do so. Even when there are multiple CPUs on a single board, they are not connected like an SMP/NUMA machine to a shared memory machine ? they are connected with the cluster interconnect (in this case the Tofu interconnect) and work like a large cluster. Yes, it has a lot of oomph in Linpack ? however I assume a lot came from the extensions to the SPARCv9 standard. No, Linpack has no relevance for any commercial workload ? Linpack is such a special load, that even some HPC people are arguing that it isn't really a good benchmark for HPC. It's embarrassingly parallel, it can work with relatively small interconnects compared to the interconnects in SMP systems (however we get in spheres SMP interconnects where a few years ago). Amdahl isn't hitting that hard when running Linpack. Yes, it's a good move to use SPARC. At some time in the last 10 years, there was an interesting twist in perception: SPARC was considered as proprietary architecture and x86 was the open architecture. However it's vice versa ? try to create a x86 clone and you have a lot of intellectual property problems, create a SPARC clone and you have to spend 100 bucks or so to get the specification from the SPARC Foundation and develop your own SPARC processor. Fujitsu is doing this for a long time now. So they had their own processor, their own know-how. So why was SPARC a good choice? Well ? essentially Fujitsu can do what they want with their core as it is their core, for example adding the extensions to the SPARCv9 chipset ? getting Intel to create extensions to x86 to help you with your product is a little bit harder. So Fujitsu could do they needed to do with their processor in order to create such a supercomputer. No, the K is really using no FPGA or GPU as accelerators. The K is really using the CPU at doing this job. Yes, it has a significantly enhanced FPU capable to execute 8 instructions in parallel. No, it doesn't run Solaris. Yes, it uses Linux. No, it doesn't hurt me ... as my colleague Roland Rambau (he knows a lot about HPC) said once to me ... it doesn't matter which OS is staying out of the way of the workload in HPC.

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Test your internet connection - Emtel Fixed Broadband

Already at the begin of April, I had a phone conversation with my representative at Emtel Ltd. about some upcoming issues due to the ongoing construction work in my neighbourhood. Unfortunately, they finally raised the house two levels above ours, and of course this has to have a negative impact on the visibility between the WiMAX outdoor unit on the roof and the aimed access point at Medine. So, today I had a technical team here to do a site survey and to come up with potential solutions. Short version: It doesn't look good after all. The site survey Well, the two technicians did their work properly, even re-arranged the antenna to check the connection with another end point down at La Preneuse. But no improvements. Looks like we are out of luck since the construction next door hasn't finished yet and at the moment, it even looks like they are planning to put at least one more level on top. I really wonder about the sanity of the responsible bodies at the local district council. But that's another story. Anyway, the outdoor unit was once again pointed towards Medine and properly fixed with new cable guides (air from the sea and rust...). Both of them did a good job and fine-tuned the reception signal to a mere 3 over 9; compared to the original 7 over 9 I had before the daily terror started. The site survey has been done, and now it's up to Emtel to come up with (better) solutions. Well, I wouldn't mind to have an unlimited, symmetric 3G/UMTS or even LTE connection. Let's see what they can do... Testing the connection There are several online sites available which offer you to check certain aspects of your internet connection. Personally, I'm used to speedtest.net and it works very well. I think it is good and necessary to check your connection from time to time, and only a couple of days ago, I posted the following on Emtel's wall at Facebook (21.05.2013 - 14:06 hrs): Dear Emtel, could you eventually provide an answer on the miserable results of SpeedTest? I chose Rose Hill (Hosted by Emtel Ltd.) as testing endpoint... Sadly, no response to this. Seems that the marketing department is not willing to deal with customers on Facebook. Okay, over at speedtest.net you can use their Flash-based test suite to check your connection to quite a number of servers of different providers world-wide. It's actually very interesting to see the results for different end points and to compare them to each other. The results Following are the results of Rose Hill (hosted by Emtel) and respectively Frankfurt, Germany (hosted by Vodafone DE): Speedtest.net result of 30.05.2013 between Flic en Flac and Rose Hill, Mauritius (Emtel - Fixed Broadband) Speedtest.net result of 30.05.2013 between Flic en Flac and Frankfurt, Germany (Emtel - Fixed Broadband) Luckily, the results are quite similar in terms of connection speed; which is good. I'm currently on a WiMAX tariff called 'Classic Browsing 2', or Fixed Broadband as they call it now, which provides a symmetric line of 768 Kbps (or roughly 0.75 Mbps). In terms of downloads or uploads this means that I would be able to transfer files in either direction with approximately 96 KB/s. Frankly speaking, thanks to compression, my choice of browser and operating system I usually exceed this value and I have download rates up to 120 KB/s - not too bad after all. Only the ping times are a little bit of concern. Due to the difference in distance, or better said based on the number of hubs between the endpoints, they indicate the amount of time that it takes to send a package from your machine to the remote server and get a response back. A lower value is better, and usually the ping is less than 300 ms between Mauritius and Europe. The alternatives in Mauritius Not sure whether I should note this done because for my requirements there are no alternatives to Emtel WiMAX at the moment. It would be great to have your opinion on the situation of internet connectivity in Mauritius. Are there really alternatives? And if so, what are the conditions?

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Life at Oracle Russia: Stanislav, Tech Sales Manager

- by Maria Sandu

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Oracle is a place that brings together talented people from various countries and with a diversity of backgrounds. We often invite our employees to speak about their life at Oracle as we think It is important to share an insight into what working for our company looks like. This time we asked Stanislav to speak about his experience at Oracle. He is Technology Sales Manager at Oracle Russia. He joined the company in July 2011 as a Sales Representative for the Financial sector and had previously worked for another American IT company. He was promoted to a Management position in 2013. “I have been in this Industry for 15 years and I am now Technology Sales Manager, covering Database, BI and Fusion Middleware products. What I’ve learned in my role is that respect is one of the most important values a good professional should have. By respecting and embracing everyone’s opinions, we create a very good work environment that encourages innovation and change. It eventually leads to a stronger team where people listen to each other and value each other’s opinion. On the other hand, It is mandatory to have good knowledge about the area you work in and to continously seek to improve your expertise. Last but not least, working as a team is a top priority and It is something that I’ve learned at Oracle. There’s little you can achieve by yourself comparing to what you can do when you’re part of a team.” Stanislav shared the top three words that best describe his team and those were: professional, dynamic and smart. “The team I manage is a very professional, dynamic and smart one. I am really proud to work with such talented people! They are an asset to the Oracle business because they are the very best in the IT industry worldwide!” When asked why he would apply at Oracle if he was looking for a job, Stanislav responded “I would say because Oracle is a legend of the IT industry. It is a very dynamic company where you can fulfill your potential and gain extremely valuable knowledge. No doubt this is the number 1 IT company!” We invite you to explore our career opportunities on oracle.com/careers and to discover more stories about the life at Oracle on our blog. You can get the latest updates about careers within Oracle by following Oracle LinkedIn, CareersatOracle Facebook or joinOracleEMEA Twitter. /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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Windows Phone 7 and WS-Trust

- by Your DisplayName here!

A question that I often hear these days is: “Can I connect a Windows Phone 7 device to my existing enterprise services?”. Well – since most of my services are typically issued token based, this requires support for WS-Trust and WS-Security on the client. Let’s see what’s necessary to write a WP7 client for this scenario. First I converted the Silverlight library that comes with the Identity Training Kit to WP7. Some things are not supported in WP7 WCF (like message inspectors and some client runtime hooks) – but besides that this was a simple copy+paste job. Very nice! Next I used the WSTrustClient to request tokens from my STS: private WSTrustClient GetWSTrustClient() { var client = new WSTrustClient( new WSTrustBindingUsernameMixed(), new EndpointAddress("https://identity.thinktecture.com/…/issue.svc/mixed/username"), new UsernameCredentials(_txtUserName.Text, _txtPassword.Password)); return client; } private void _btnLogin_Click(object sender, RoutedEventArgs e) { _client = GetWSTrustClient(); var rst = new RequestSecurityToken(WSTrust13Constants.KeyTypes.Bearer) { AppliesTo = new EndpointAddress("https://identity.thinktecture.com/rp/") }; _client.IssueCompleted += client_IssueCompleted; _client.IssueAsync(rst); } I then used the returned RSTR to talk to the WCF service. Due to a bug in the combination of the Silverlight library and the WP7 runtime – symmetric key tokens seem to have issues currently. Bearer tokens work fine. So I created the following binding for the WCF endpoint specifically for WP7. <customBinding> <binding name="mixedNoSessionBearerBinary"> <security authenticationMode="IssuedTokenOverTransport" messageSecurityVersion="WSSecurity11 WSTrust13 WSSecureConversation13 WSSecurityPolicy12 BasicSecurityProfile10"> <issuedTokenParameters keyType="BearerKey" /> </security> <binaryMessageEncoding /> <httpsTransport/> </binding> </customBinding> The binary encoding is not necessary, but will speed things up a little for mobile devices. I then call the service with the following code: private void _btnCallService_Click(object sender, RoutedEventArgs e) { var binding = new CustomBinding( new BinaryMessageEncodingBindingElement(), new HttpsTransportBindingElement()); _proxy = new StarterServiceContractClient( binding, new EndpointAddress("…")); using (var scope = new OperationContextScope(_proxy.InnerChannel)) { OperationContext.Current.OutgoingMessageHeaders.Add(new IssuedTokenHeader(Globals.RSTR)); _proxy.GetClaimsAsync(); } } works. download

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Incentivizing Work with Development Teams

- by MarkPearl

Recently I saw someone on twitter asking about incentives and if anyone had past experience with incentivizing work. I promised to respond with some of the experiences I have had in the past so here goes... **Disclaimer** - these are my experiences with incentives, generally in software development - in some other industries this may not be applicable – this is also my thinking at this point in time, with more experience my opinion may change. Incentivize at the level that you want people to group at If you are wanting to promote a team mentality, incentivize teams. If you want to promote an individual mentality, incentivize individuals. There is nothing worse than mixing this up. Some organizations put a lot of effort in establishing teams and team mentalities but reward individuals. This has a counter effect on the resources they have put towards establishing a team mentality. In the software projects that I work with we want promote cross functional teams that collaborate. Personally, if I was on a team and knew that there was an opportunity to work on a critical component of the system, and that by doing so I would get a bigger bonus, then I would be hesitant to include other people in solving that problem. Thus, I would hinder the teams efforts in being cross functional and reduce collaboration levels. Does that mean everyone in the team should get an even share of an incentive? In most situations I would say yes - even though this may feel counter-intuitive. I have heard arguments put forward that if “person x contributed more than person Y then they should be rewarded more” – This may sound controversial but I would rather treat people how would you like them to perform, not where they currently are at. To add to this approach, if someone is free loading, you bet your bottom dollar that the team is going to make this a lot more transparent if they feel that individual is going to be rewarded at the same level that everyone else is. Bad incentives promote destructive work If you are going to incentivize people, pick you incentives very carefully. I had an experience once with a sales person who was told they would get a bonus provided that they met an ordering target with a particular supplier. What did this person do? They sold everything at cost for the next month or so. They reached the goal, but the company didn't gain anything from it. It was a bad incentive. Expect the same with development teams, if you incentivize zero bug levels, you will get zero code committed to the solution. If you incentivize lines of code, you will get many many lines of bad code. Is there such a thing as a good incentives? Monetary wise, I am not sure there is. I would much rather encourage organizations to pay their people what they are worth upfront. I would also advise against paying money to teams as an incentive or even a bonus or reward for reaching a milestone. Rather have a breakaway for the team that promotes team building as a reward if they reach a milestone than pay them more money. I would also advise against making the incentive the reason for them to reach the milestone. If this becomes the norm it promotes people to begin to only do their job if there is an incentive at the end of the line. This is not a behaviour one wants to encourage. If the team or individual is in the right mind-set, they should not work any harder than they are right now with normal pay.

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Finalists for Community Manager of the Year Announced

- by Mike Stiles

For as long as brand social has been around, there’s still an amazing disparity from company to company on the role of Community Manager. At some brands, they are the lead social innovators. At others, the task has been relegated to interns who are at the company temporarily. Some have total autonomy and trust. Others must get chain-of-command permission each time they engage. So what does a premiere “worth their weight in gold” Community Manager look like? More than anyone else in the building, they have the most intimate knowledge of who the customer is. They live on the front lines and are the first to detect problems and opportunities. They are sincere, raving fans of the brand themselves and are trusted advocates for the others. They’re fun to be around. They aren’t salespeople. Give me one Community Manager who’s been at the job 6 months over 5 focus groups any day. Because not unlike in speed dating, they must immediately learn how to make a positive, lasting impression on fans so they’ll want to return and keep the relationship going. They’re informers and entertainers, with a true belief in the value of the brand’s proposition. Internally, they live at the mercy of the resources allocated toward social. Many, whose managers don’t understand the time involved in properly curating a community, are tasked with 2 or 3 too many of them. 63% of CM’s will spend over 30 hours a week on one community. They come to intuitively know the value of the relationships they’re building, even if they can’t always be shown in a bar graph to the C-suite. Many must communicate how the customer feels to executives that simply don’t seem to want to hear it. Some can get the answers fans want quickly, others are frustrated in their ability to respond within an impressive timeframe. In short, in a corporate world coping with sweeping technological changes, amidst business school doublespeak, pie charts, decks, strat sessions and data points, the role of the Community Manager is the most…human. They are the true emotional connection to the real life customer. Which is why we sought to find a way to recognize and honor who they are, what they do, and how well they have defined the position as social grows and integrates into the larger organization. Meet our 3 finalists for Community Manager of the Year. Jeff Esposito with VistaprintJeff manages and heads up content strategy for all social networks and blogs. He also crafts company-wide policies surrounding the social space. Vistaprint won the NEDMA Gold Award for Twitter Strategy in 2010 and 2011, and a Bronze in 2011 for Social Media Strategy. Prior to Vistaprint, Jeff was Media Relations Manager with the Long Island Ducks. He graduated from Seton Hall University with a BA in English and a minor in Classical Studies. Stacey Acevero with Vocus In addition to social management, Stacey blogs at Vocus on influential marketing and social media, and blogs at PRWeb on public relations and SEO. She’s been named one of the #Nifty50 Women in Tech on Twitter 2 years in a row, as well as included in the 15 up-and-coming PR pros to watch in 2012. Carly Severn with the San Francisco BalletCarly drives engagement, widens the fanbase and generates digital content for America’s oldest professional ballet company. Managed properties include Facebook, Twitter, Tumblr, Pinterest, Instagram, YouTube and G+. Prior to joining the SF Ballet, Carly was Marketing & Press Coordinator at The Fitzwilliam Museum at Cambridge, where she graduated with a degree in English. We invite you to join us at the first annual Oracle Social Media Summit November 14 and 15 at the Wynn in Las Vegas where our finalists will be featured. Over 300 top brand marketers, agency executives, and social leaders & innovators will be exploring how social is transforming business. Space is limited and the information valuable, so get more info and get registered as soon as possible at the event site.

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Admin Panel like Custom Framework

- by bhuvin

I want to Create a Framework , like Admin panel , which can rule almost all the aspects of what is shown on the frontend. For an (most basic) example: If suppose the links which are to be shown in a navigation area is passed from the server, with the order and the url , etc. The whole aim is to save the time on the tedious tasks. You can just start creating menus and start assigning pages to it. Give a url, actual files which are to be rendered (in case of static files.), in case of dynamic files, giving the file accordingly. And all this is fully server side manageable using different portlets, sort of things. So basic Roadmap is having : Areas like: Header Area - Which can contain logos, links etc. Navigation Area - Which can contains links and submenus. Content Area - Now this is where the tricky part is that that it has zones like: left, center & right. It contains Order in which it has to be displayed. So, when someday we want to change the way the articles appear on the page, we can do so easily, without any deployments. Now these zones can have n number of internal elements, like the word cloud, or the advertisement area. Footer Area: Again similar as Header Area. Currently there is a preexisting custom framework, which uses XSLT files for pulling out data from the server side. And it has the above capabilities. For example: If there's a grid it will be having a <table> tag embedded in the XSLT file. Now whatever might be the source of the data, we serialize this as XML and give it to the XSLT file and the html is derived from this and is appended to the layer in a page. The problem with this approach is: The XSLT conversion is occurring on the server side, so the server is responsible for getting the data, running XSLT transform, and append the html generated to the layer div. So, according to me, firstly this isn't the server's concern to do so. Secondly for larger applications this might be slower. Debugging isn't possible for XSLT transformation. So, whenever we face problems with data its always a bit of a trial & error method. Maintaining it is a bit of an eerie job i.e. styling changes, and other stuff. Adding dynamic values. Like JavaScript can't actually be very easily used in this. Secondly, we can't use JQuery or any other libraries with this since this is all occurring on the server. For now what I have thought about is using Templating - Javascript - JSON combination in place of XSLT, this will be offloaded to the client and the rendering will take place accordingly. This could solve the above problems and also could add mobile support for the same. Only problem which I could think of is that: It is much work and adding new portlets on the go needs to be looked into. What could be the alternatives for this? What kind of problems are there with the JavaScript approach? What are the different ways to implement the same? Are there any existing frameworks for similar usage?

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Is Visual Source Safe (The latest Version) really that bad? Why? What's the Best Alternative? Why? [closed]

- by hanzolo

Over the years I've constantly heard horror stories, had people say "Real Programmers Dont Use VSS", and so on. BUT, then in the workplace I've worked at two companies, one, a very well known public facing high traffic website, and another high end Financial Services "Web-Based" hosted solution catering to some very large, very well known companies, which is where I currently Reside and everything's working just fine (KNOCK KNOCK!!). I'm constantly interfacing with EXTREMELY Old technology with some of these financial institutions.. OLD LIKE YOU WOULDN'T BELIEVE.. which leads me to the conclusion that if it works "LEAVE IT", and that maybe there's some value in old technology? at least enough value to overrule a rewrite!? right?? Is there something fundamentally flawed with the underlying technology that VSS uses? I have a feeling that if i said "someone said VSS Sucks" they would beg to differ, most likely give me this look like i dont know -ish, and I'd never gain back their respect and my credibility (well, that'll be hard to blow.. lol), BUT, give me an argument that I can take to someone whose been coding for 30 years, that builds Platforms that leverage current technology (.NET 3.5 / SQL 2008 R2 ), write's their own ORM with scaffolding and is able to provide a quality platform that supports thousands of concurrent users on a multi-tenant hosted solution, and does not agree with any benefits from having Source Control Integrated, and yet uses the Infamous Visual Source Safe. I have extensive experience with TFS up to 2010, and honestly I think it's great when a team (beyond developers) can embrace it. I've worked side by side with someone whose a die hard SVN'r and from a purist standpoint, I see the beauty in it (I need a bit more, out of my SS, but it surely suffices). So, why are such smarties not running away from Visual Source Safe? surely if it was so bad, it would've have been realized by now, and I would not be sitting here with this simple old, Check In, Check Out, Version Resistant, Label Intensive system. But here I am... I would love to drop an argument that would be the end all argument, but if it's a matter of opinion and personal experience, there seems to be too much leeway for keeping VSS. UPDATE: I guess the best case is to have the VSS supporters check other people's experiences and draw from that until we (please no) experience the breaking factor ourselves. Until then, i wont be engaging in a discussion to migrate off of VSS.. UPDATE 11-2012: So i was able to convince everyone at my work place that since MS is sun downing Visual Source Safe it might be time to migrate over to TFS. I was able to convince them and have recently upgraded our team to Visual Studio 2012 and TFS 2012. The migration was fairly painless, had to run analyze.exe which found a bunch of errors (not sure they'll ever affect the project) and then manually run the VSSConverter.exe. Again, painless, except it took 16 hours to migrate 5 years worth of everything.. and now we're on TFS.. much more integrated.. much more cooler.. so all in all, VSS served it's purpose for years without hick-up. There were no horror stories and Visual Source Save as source control worked just fine. so to all the nay sayers (me included). there's nothing wrong with using VSS. i wouldnt start a new project with it, and i would definitely consider migrating to TFS. (it's really not super difficult and a new "wizard" type converter is due out any day now so migrating should be painless). But from my experience, it worked just fine and got the job done.

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College Ratings via the Federal Government

- by user9147039

A few weeks back you might remember news about a higher education rating system proposal from the Obama administration. As I've discussed previously, political and stakeholder pressures to improve outcomes and increase transparency are stronger than ever before. The executive branch proposal is intended to make progress in this area. Quoting from the proposal itself, "The ratings will be based upon such measures as: Access, such as percentage of students receiving Pell grants; Affordability, such as average tuition, scholarships, and loan debt; and Outcomes, such as graduation and transfer rates, graduate earnings, and advanced degrees of college graduates.” This is going to be quite complex, to say the least. Most notably, higher ed is not monolithic. From community and other 2-year colleges, to small private 4-year, to professional schools, to large public research institutions…the many walks of higher ed life are, well, many. Designing a ratings system that doesn't wind up with lots of unintended consequences and collateral damage will be difficult. At best you would end up potentially tarnishing the reputation of certain institutions that were actually performing well against the metrics and outcome measures that make sense in their "context" of education. At worst you could spend a lot of time and resources designing a system that would lose credibility with its "customers". A lot of institutions I work with already have in place systems like the one described above. They are tracking completion rates, completion timeframes, transfers to other institutions, job placement, and salary information. As I talk to these institutions there are several constants worth noting: • Deciding on which metrics to measure is complicated. While employment and salary data are relatively easy to track, qualitative measures are more difficult. How do you quantify the benefit to someone who studies in one field that may not compensate him or her as well as another field but that provides huge personal fulfillment and reward is a difficult measure to quantify? • The data is available but the systems to transform the data into actual information that can be used in meaningful ways are not. Too often in higher ed information is siloed. As such, much of the data that need to be a part of a comprehensive system sit in multiple organizations, oftentimes outside the reach of core IT. • Politics and culture are big barriers. One of the areas that my team and I spend a lot of time talking about with higher ed institutions all over the world is the imperative to optimize for student success. This, like the tracking of the students’ achievement after graduation, requires a level or organizational capacity that does not currently exist. The primary barrier is the culture of "data islands" in higher ed, and the need for leadership to drive out the divisions between departments, schools, colleges, etc. and institute academy-wide analytics and data stewardship initiatives that will enable student success. • Data quality is a very big issue. So many disparate systems exist (some on premise, some "in the cloud") that keep data about "persons" using different means to identify them. Establishing a single source of truth about an individual and his or her data is difficult without some type of data quality policy and tools. Good tools actually exist but are seldom leveraged. Don't misunderstand - I think it's a great idea to drive additional transparency and accountability into the system of higher education. And not just at home, but globally. Students and parents need access to key data to make informed, responsible choices. The tools exist to not only enable this kind of information to be shared but to capture the very metrics stakeholders care most about and in a way that makes sense in the context of a given institution's "place" in the overall higher ed panoply.

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Gnome Install Error (1)

- by Guy1984

I'm trying to install Gnome on my Ubuntu 12.04 P.Pangolin and getting the following errors: root@***:~# sudo apt-get install gnome-core gnome-session-fallback Reading package lists... Done Building dependency tree Reading state information... Done gnome-core is already the newest version. gnome-session-fallback is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded. 5 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up bluez (4.98-2ubuntu7) ... start: Job failed to start invoke-rc.d: initscript bluetooth, action "start" failed. dpkg: error processing bluez (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of gnome-bluetooth: gnome-bluetooth depends on bluez (>= 4.36); however: Package bluez is not configured yet. dpkg: error processing gnome-bluetooth (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-shell: gnome-shell depends on gnome-bluetooth (>= 3.0.0); however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-shell (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-user-share: gnome-user-share depends on gnome-bluetooth; however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-user-share (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-core: gnome-core depends on gNo apport report written because the error message indicates its a followup error from a previous failure. No apport report written because the error message indicates its a followup error from a previous failure. No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already nome-bluetooth (>= 3.0); however: Package gnome-bluetooth is not configured yet. gnome-core depends on gnome-shell (>= 3.0); however: Package gnome-shell is not configured yet. gnome-core depends on gnome-user-share (>= 3.0); however: Package gnome-user-share is not configured yet. dpkg: error processing gnome-core (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: bluez gnome-bluetooth gnome-shell gnome-user-share gnome-core E: Sub-process /usr/bin/dpkg returned an error code (1) Syslog: Oct 5 16:04:17 ks34900 bluetoothd[5176]: Bluetooth daemon 4.98 Oct 5 16:04:17 ks34900 bluetoothd[5176]: Starting SDP server Oct 5 16:04:17 ks34900 bluetoothd[5176]: opening L2CAP socket: Address family not supported by protocol Oct 5 16:04:17 ks34900 bluetoothd[5176]: Server initialization failed Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init alert plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init time plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init proximity plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to open control socket: Address family not supported by protocol (97) Oct 5 16:04:17 ks34900 bluetoothd[5176]: Can't init bnep module Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init network plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Unable to start SCO server socket Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init audio plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Failed to init gatt_example plugin Oct 5 16:04:17 ks34900 bluetoothd[5176]: Can't open HCI socket: Address family not supported by protocol (97) Oct 5 16:04:17 ks34900 bluetoothd[5176]: adapter_ops_setup failed Oct 5 16:04:17 ks34900 kernel: init: bluetooth main process (5176) terminated with status 1 Oct 5 16:04:17 ks34900 kernel: init: bluetooth main process ended, respawning Oct 5 16:04:17 ks34900 bluez: Stopping uarts Oct 5 16:04:17 ks34900 bluez: Stopping rfcomm Any thoughts?

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Oracle Applications Cloud Release 8 Customization: Your User Interface, Your Text

- by ultan o'broin

Introducing the User Interface Text Editor In Oracle Applications Cloud Release 8, there’s an addition to the customization tool set, called the User Interface Text Editor (UITE). When signed in with an application administrator role, users launch this new editing feature from the Navigator's Tools > Customization > User Interface Text menu option. See how the editor is in there with other customization tools? User Interface Text Editor is launched from the Navigator Customization menu Applications customers need a way to make changes to the text that appears in the UI, without having to initiate an IT project. Business users can now easily change labels on fields, for example. Using a composer and activated sandbox, these users can take advantage of the Oracle Metadata Services (MDS), add a key to a text resource bundle, and then type in their preferred label and its description (as a best practice for further work, I’d recommend always completing that description). Changing a simplified UI field label using Oracle Composer In Release 8, the UITE enables business users to easily change UI text on a much wider basis. As with composers, the UITE requires an activated sandbox where users can make their changes safely, before committing them for others to see. The UITE is used for editing UI text that comes from Oracle ADF resource bundles or from the Message Dictionary (or FND_MESSAGE_% tables, if you’re old enough to remember such things). Functionally, the Message Dictionary is used for the text that appears in business rule-type error, warning or information messages, or as a text source when ADF resource bundles cannot be used. In the UITE, these Message Dictionary texts are referred to as Multi-part Validation Messages. If the text comes from ADF resource bundles, then it’s categorized as User Interface Text in the UITE. This category refers to the text that appears in embedded help in the UI or in simple error, warning, confirmation, or information messages. The embedded help types used in the application are explained in an Oracle Fusion Applications User Experience (UX) design pattern set. The message types have a UX design pattern set too. Using UITE The UITE enables users to search and replace text in UI strings using case sensitive options, as well as by type. Users select singular and plural options for text changes, should they apply. Searching and replacing text in the UITE The UITE also provides users with a way to preview and manage changes on an exclusion basis, before committing to the final result. There might, for example, be situations where a phrase or word needs to remain different from how it’s generally used in the application, depending on the context. Previewing replacement text changes. Changes can be excluded where required. Multi-Part Messages The Message Dictionary table architecture has been inherited from Oracle E-Business Suite days. However, there are important differences in the Oracle Applications Cloud version, notably the additional message text components, as explained in the UX Design Patterns. Message Dictionary text has a broad range of uses as indicated, and it can also be reserved for internal application use, for use by PL/SQL and C programs, and so on. Message Dictionary text may even concatenate together at run time, where required. The UITE handles the flexibility of such text architecture by enabling users to drill down on each message and see how it’s constructed in total. That way, users can ensure that any text changes being made are consistent throughout the different message parts. Multi-part (Message Dictionary) message components in the UITE Message Dictionary messages may also use supportability-related numbers, the ones that appear appended to the message text in the application’s UI. However, should you have the requirement to remove these numbers from users' view, the UITE is not the tool for the job. Instead, see my blog about using the Manage Messages UI.

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Career-Defining Moments

- by Robz / Fervent Coder

Originally posted on: http://geekswithblogs.net/robz/archive/2013/06/25/career-defining-moments.aspx Fear holds us back from many things. A little fear is healthy, but don’t let it overwhelm you into missing opportunities. In every career there is a moment when you can either step forward and define yourself, or sit down and regret it later. Why do we hold back: is it fear, constraints, family concerns, or that we simply can't do it? I think in many cases it comes to the unknown, and we are good at fearing the unknown. Some people hold back because they are fearful of what they don’t know. Some hold back because they are fearful of learning new things. Some hold back simply because to take on a new challenge it means they have to give something else up. The phrase sometimes used is “It’s the devil you know versus the one you don’t.” That fear sometimes allows us to miss great opportunities. In many people’s case it is the opportunity to go into business for yourself, to start something that never existed. Most hold back hear for a fear of failing. We’ve all heard the phrase “What would you do if you knew you couldn’t fail?”, which is intended to get people to think about the opportunities they might create. A better term I heard recently on the Ruby Rogues podcast was “What would be worth doing even if you knew you were going to fail?” I think that wording suits the intent better. If you knew (or thought) going in that you were going to fail and you didn’t care, it would open you up to the possibility of paying more attention to the journey and not the outcome. In my case it is a fear of acceptance. I am fearful that I may not learn what I need to learn or may not do a good enough job to be accepted. At the same time that fear drives me and makes me want to leap forward. Some folks would define this as “The Flinch”. I’m learning Ruby and Puppet right now. I have limited experience with both, limited to the degree it scares me some that I don’t know much about either. Okay, it scares me quite a bit! Some people’s defining moment might be going to work for Microsoft. All of you who know me know that I am in love with automation, from low-tech to high-tech automation. So for me, my “mecca” is a little different in that regard. Awhile back I sat down and defined where I wanted my career to go and it had to do more with DevOps, defined as applying developer practices to system administration operations (I could not find this definition when I searched). It’s an area that interests me and why I really want to expand chocolatey into something more awesome. I want to see Windows be as automatable and awesome as other operating systems that are out there. Back to the career-defining moment. Sometimes these moments only come once in a lifetime. The key is to recognize when you are in one of these moments and step back to evaluate it before choosing to dive in head first. So I am about to embark on what I define as one of these “moments.” On July 1st I will be joining Puppet Labs and working to help make the Windows automation experience rock solid! I’m both scared and excited about the opportunity!

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Delegates: A Practical Understanding

- by samerpaul

It's been a while since I have written on this blog, and I'm planning on reviving it this summer, since I have more time to do so again.I've also recently started working on the iPhone platform, so I haven't been as busy in .NET as before.In either case, today's blog post applies to both C# and Objective-C, because it's more about a practical understanding of delegates than it is about code. When I was learning coding, I felt like delegates was one of the hardest things to conceptually understand, and a lot of books don't really do a good job (in my opinion) of explaining it. So here's my stab at it.A Real Life Example of DelegatesLet's say there are three of you. You, your friend, and your brother. You're each in a different room in your house so you can't hear each other, even if you shout. 1)You are playing a computer game2) Friend is building a puzzle3) Brother is nappingNow, you three are going to stay in your room but you want to be informed if anything interesting is happening to the one of you. Let's say you (playing the computer game) want to know when your brother wakes up.You could keep walking to the room, checking to see if he's napping, and then walking back to your room. But that would waste a lot of time / resources, and what if you miss when he's awake before he goes back to sleep? That would be bad.Instead, you hand him a 2-way radio that works between your room and his room. And you inform him that when he wakes up, he should press a button on the radio and say "I'm awake". You are going to be listening to that radio, waiting for him to say he's awake. This, in essence, is how a delegate works.You're creating an "object" (the radio) that allows you to listen in on an event you specify. You don't want him to send any other messages to you right now, except when he wakes up. And you want to know immediately when he does, so you can go over to his room and say hi. (the methods that are called when a delegate event fires). You're also currently specifying that only you are listening on his radio.Let's say you want your friend to come into the room at the same time as you, and do something else entirely, like fluff your brother's pillow. You will then give him an identical radio, that also hooks into your brother's radio, and inform him to wait and listen for the "i'm awake" signal.Then, when your brother wakes up, he says "I'm awake!" and both you and your friend walk into the room. You say hi, and your friend fluffs the pillow, then you both exit.Later, if you decide you don't care to say hi anymore, you turn off your radio. Now, you have no idea when your brother is awake or not, because you aren't listening anymore.So again, you are each classes in this example, and each of you have your own methods. You're playing a computer game (PlayComputerGame()), your friend is building a puzzle (BuildPuzzle()) and your brother is napping (Napping()). You create a delegate (ImAwake) that you set your brother to do, when he wakes up. You listen in on that delegate (giving yourself a radio and turning it on), and when you receive the message, you fire a new method called SayHi()). Your friend is also wired up to the same delegate (using an identical radio) and fires the method FluffPillow().Hopefully this makes sense, and helps shed some light on how delegates operate. Let me know! Feel free to drop me a line at Twitter (preferred method of contact) here: samerabousalbi

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How to introduce a computer illiterate 50-year old to programming [closed]

- by sunday

The other day my dad asked me a question that I would have never expected from him. "How can I learn C++?" My dad is turning 56 this year and computers are a distant concept for him. He doesn't know how to use a phone very well besides calling numbers (no speed dial or contacts); though he has started to learn computers a little better - to the point that he knows how to open the internet (in Windows) and browse around (and has successfully completed several job applications entirely on his own online, of which he was offered positions too). But still, these are too narrow-windowed experiences to mean much, really. While he may not have the background, my dad knows how to read. And I mean reading as a skill, not just an ability. He has little to no college education (financial problems, family, etc.) and was fortunate enough to finish high school, but still taught himself to become a master electrician and has been one for almost 30 years now. He did the same with guitar, learning to play at a very professional level and has been praised for his skill. In high school, he picked up a weight lifting book - and was the only person in his high school at the time to qualify officially as an "athlete" by national standards. In all cases, he just needed something to read. Something to teach him. He absorbs information like a sponge. I have no doubt in my dad's motivation or capability of doing this, so my general goal is simply: Get my dad into the world of computers, and get him on the road to programming. I strongly believe that once I get him through the fundamentals, his drive and reading skill will keep him going on this own. So I'm asking you all: where should I start with all this? And what are the best resources out there? Should I get him to start Linux instead of Windows? Is C++ a bad idea? Remember, he needs to (IMO) learn computers first, and then get that first grasp (the "Hello world" experience) of programming. For money's sake and at top preference, I'd like free online resources that he can read, but by all means any good suggestions in print or paid-for-online are welcome (that I could possibly look into later to purchase). And also, I intend to start him off with C++ (no Python, Java, etc.), because I know it the best and will be able to help him along the way with code. (I have minimal knowledge right now in other languages). Edit: I'm getting a lot of persistent suggestions to use Python. The only reason I wanted to do C++ is that I KNOW it and can be THERE when my dad needs help. My VERY FIRST exposure to programming ever was Java. I learned Java, and I got good at it. I open to other suggestions, but please provide an effective application of your suggestions. EDIT #2: I understand my approach/thinking/knowledge could be lacking here. I'm a sophomore level undergraduate CS major. If you don't agree with anything in my post, tell me why - give me ideas, information - that's why I'm asking in the first place. To narrow down my general goal to specific reachable goals.

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No Customer Left Behind

- by Kathryn Perry

A guest post by David Vap, Group Vice President, Oracle Applications Product Development What does customer experience mean to you? Is it a strategy for your executives? A new buzz word and marketing term? A bunch of CRM technology with social software added on? For me, customer experience is a customer-centric worldview that produces a deeper understanding of your business and what it takes to achieve sustainable, differentiated success. It requires you to prioritize and examine the journey your customers are on with your brand, so you can answer the question, "How can we drive greater value for our business by delivering a better customer experience?" Businesses that embrace a customer-centric worldview understand their business at a much deeper level than most. They know who their customers are, what their value is, what they do, what they say, what they want, and ultimately what that means to their business. "Why Isn't Everyone Doing It?" We're all consumers who have our own experiences with many brands. Good or bad, some of those experiences stay with us. So viscerally we understand the concept of customer experience from the stories we share. One that stands out in my mind happened as I was preparing to leave for a 12-month job assignment in Europe. I wanted to put my cable television subscription on hold. I wasn't leaving for another vendor. I wasn't upset. I just had a situation where it made sense to put my $180 per month account on pause until I returned. Unfortunately, there was no way for this cable company to acknowledge that I was a loyal customer with a logical request - and to respond accordingly. So, ultimately, they lost my business. Research shows us that it costs six to seven times more to acquire a new customer than to retain an existing one. Heavily funding the efforts of getting new customers and underfunding the efforts of serving the needs of your existing (who are your greatest advocates) is a vicious and costly cycle. "Hey, These Guys Suck!" I love my Apple iPad because it's so easy to use. The explosion of these types of technologies, combined with new media channels, has raised our expectations and made us hyperaware of what's going on and what's available. In addition, social media has given us a megaphone to share experiences both positive and negative with greater impact. We are now an always-on culture that thrives on our ability to access, connect, and share anywhere anytime. If we don't get the service, product, or value we expect, it is easy to tell many people about it. We also can quickly learn where else to get what we want. Consumers have the power of influence and choice at a global scale. The businesses that understand this principle are able to leverage that power to their advantage. The ones that don't, suffer from it. Which camp are you in?Note: This is Part 1 in a three-part series. Stop back for Part 2 on November 19.

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How to be Agile when new work keeps affecting completed work?

- by jdln

The project I'm working on is to re-skin an existing website. The functionally will stay the same, its just the styles that are changing. The HTML is not changing, I'm only modifying the CSS files. The site is pretty complex. There are dozens of pages. Users can be logged in and have a number of different roles. Depending on their role the content of the page and what pages they are allowed to see varys. We're using GIT and Github. I'm trying to write CSS that works as components. So when the same form elements, headings, etc appear on multiple pages they are already styled and are consistent. Most of time this is working well. Sadly the format and class names in the HTML are at times messy and unpredictable. When I fix something on one page it can break another. The job is also harder as no one knows exactly all the variations that are possible due to the user roles. As such I'm continuously finding new variations as I go along. I'm making headway by putting a lot of comments in my CSS. If I need to remove a CSS rule Ill comment it out so I can still see it with the chrome dev tools, and ill put a comment in the CSS saying why I removed it and for what page this was done. This means that if on another page I'm about to add add the rule to fix a different problem, there is more of a chance I will see how this would break the first page. This allows me to either find a different solution that will work for both pages, or I can make the override page specific. This has been working quite well for me. If I had complete free reign and the only deadline was to finish the project by the end then this method would be fine. However my manager is trying to mitigate risk by breaking the work into areas to be completed per sprint. This is counter to how I have been approaching things as something like my typography styles will affect all other pages on the site. The other issue is that the different stakeholders want to sign off each section as I go along. However once I've finished a section it may change if I change CSS that affects it and also affects a new section I'm working on. I've asked that the stakeholders have a quick unofficial sign off in stages (eg per sprint), and have the final official sign off at the end of the project, but this is being met with resistance. I do understand why it would be higher risk to do this, but the only way to guarantee that a signed off section will not change is to make ALL future changes page specific. In addition to this I'm being told that all work that I push to the Git repo should be ready to go live, and as such should not contain any code comments. This is risky for me as I wont know until I've finished the site if I will ever benefit from these comments or not. Has anyone else been in a similar situation and managed to find a compromise that worked for my development approach and also the desires of management and stakeholders to have a more Agile approach? A more Agile workflow works great when you can break the work into components and know that once something is done it wont be affected by future work. However the nature of this project makes this hard to achieve.

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Writing a method to 'transform' an immutable object: how should I approach this?

- by Prog

(While this question has to do with a concrete coding dilemma, it's mostly about what's the best way to design a function.) I'm writing a method that should take two Color objects, and gradually transform the first Color into the second one, creating an animation. The method will be in a utility class. My problem is that Color is an immutable object. That means that I can't do color.setRGB or color.setBlue inside a loop in the method. What I can do, is instantiate a new Color and return it from the method. But then I won't be able to gradually change the color. So I thought of three possible solutions: 1- The client code includes the method call inside a loop. For example: int duration = 1500; // duration of the animation in milliseconds int steps = 20; // how many 'cycles' the animation will take for(int i=0; i<steps; i++) color = transformColor(color, targetColor, duration, steps); And the method would look like this: Color transformColor(Color original, Color target, int duration, int steps){ int redDiff = target.getRed() - original.getRed(); int redAddition = redDiff / steps; int newRed = original.getRed() + redAddition; // same for green and blue .. Thread.sleep(duration / STEPS); // exception handling omitted return new Color(newRed, newGreen, newBlue); } The disadvantage of this approach is that the client code has to "do part of the method's job" and include a for loop. The method doesn't do it's work entirely on it's own, which I don't like. 2- Make a mutable Color subclass with methods such as setRed, and pass objects of this class into transformColor. Then it could look something like this: void transformColor(MutableColor original, Color target, int duration){ final int STEPS = 20; int redDiff = target.getRed() - original.getRed(); int redAddition = redDiff / steps; int newRed = original.getRed() + redAddition; // same for green and blue .. for(int i=0; i<STEPS; i++){ original.setRed(original.getRed() + redAddition); // same for green and blue .. Thread.sleep(duration / STEPS); // exception handling omitted } } Then the calling code would usually look something like this: // The method will usually transform colors of JComponents JComponent someComponent = ... ; // setting the Color in JComponent to be a MutableColor Color mutableColor = new MutableColor(someComponent.getForeground()); someComponent.setForeground(mutableColor); // later, transforming the Color in the JComponent transformColor((MutableColor)someComponent.getForeground(), new Color(200,100,150), 2000); The disadvantage is - the need to create a new class MutableColor, and also the need to do casting. 3- Pass into the method the actual mutable object that holds the color. Then the method could do object.setColor or similar every iteration of the loop. Two disadvantages: A- Not so elegant. Passing in the object that holds the color just to transform the color feels unnatural. B- While most of the time this method will be used to transform colors inside JComponent objects, other kinds of objects may have colors too. So the method would need to be overloaded to receive other types, or receive Objects and have instanceof checks inside.. Not optimal. Right now I think I like solution #2 the most, than solution #1 and solution #3 the least. However I'd like to hear your opinions and suggestions regarding this.

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SCVMM 2012 R2 - Installing Virtual Switch Fails with Error 2916

- by Brian M.

So I've been attempting to teach myself SCVMM 2012 and Hyper-V Server 2012 R2, and I seem to have hit a snag. I've connected my Hyper-V Host to SCVMM 2012 successfully, and created a logical network, logical switch, and uplink port profile (which I essentially blew through with the default settings). However when I attempt to create a virtual switch on my Hyper-V host, I run into an issue. The job will use my logical network settings I created to configure the virtual switch, but when it tries to apply it to the host, it stalls and eventually fails with the following error: Error (2916) VMM is unable to complete the request. The connection to the agent vmhost1.test.loc was lost. WinRM: URL: [h**p://vmhost1.test.loc:5985], Verb: [GET], Resource: [h**p://schemas.microsoft.com/wbem/wsman/1/wmi/root/virtualization/v2/Msvm_ConcreteJob?InstanceID=2F401A71-14A2-4636-9B3E-10C0EE942D33] Unknown error (0x80338126) Recommended Action Ensure that the Windows Remote Management (WinRM) service and the VMM agent are installed and running and that a firewall is not blocking HTTP/HTTPS traffic. Ensure that VMM server is able to communicate with econ-hyperv2.econ.loc over WinRM by successfully running the following command: winrm id –r:vmhost1.test.loc This problem can also be caused by a Windows Management Instrumentation (WMI) service crash. If the server is running Windows Server 2008 R2, ensure that KB 982293 (h**p://support.microsoft.com/kb/982293) is installed on it. If the error persists, restart vmhost1.test.loc and then try the operation again. Refer to h**p://support.microsoft.com/kb/2742275 for more details. I restarted the server, and upon booting am greeted with a message stating "No active network adapters found." I load up powershell and run "Get-NetAdapter -IncludeHidden" to see what's going on, and get the following: Name InterfaceDescription ifIndex Status ---- -------------------- ------- ----- Local Area Connection* 5 WAN Miniport (PPPOE) 6 Di... Ethernet Microsoft Hyper-V Network Switch Def... 10 Local Area Connection* 1 WAN Miniport (L2TP) 2 Di... Local Area Connection* 8 WAN Miniport (Network Monitor) 9 Up Local Area Connection* 4 WAN Miniport (PPTP) 5 Di... Ethernet 2 Broadcom NetXtreme Gigabit Ethernet 13 Up Local Area Connection* 7 WAN Miniport (IPv6) 8 Up Local Area Connection* 9 Microsoft Kernel Debug Network Adapter 11 No... Local Area Connection* 3 WAN Miniport (IKEv2) 4 Di... Local Area Connection* 2 WAN Miniport (SSTP) 3 Di... vSwitch (TEST Test Swi... Hyper-V Virtual Switch Extension Ada... 17 Up Local Area Connection* 6 WAN Miniport (IP) 7 Up Now the machine is no longer visible on the network, and I don't have the slightest idea what went wrong, and more importantly how to undo the damage I caused in order to get back to where I was (save for re-installing Hyper-V Server, but I really would rather know what's going on and how to fix it)! Does anybody have any ideas? Much appreciated!

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Gnome Install Error (1) [closed]

- by Guy1984

I'm trying to install Gnome on my Ubuntu 12.04 P.Pangolin and getting the following errors: root@***:~# sudo apt-get install gnome-core gnome-session-fallback Reading package lists... Done Building dependency tree Reading state information... Done gnome-core is already the newest version. gnome-session-fallback is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded. 5 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up bluez (4.98-2ubuntu7) ... start: Job failed to start invoke-rc.d: initscript bluetooth, action "start" failed. dpkg: error processing bluez (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of gnome-bluetooth: gnome-bluetooth depends on bluez (>= 4.36); however: Package bluez is not configured yet. dpkg: error processing gnome-bluetooth (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-shell: gnome-shell depends on gnome-bluetooth (>= 3.0.0); however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-shell (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-user-share: gnome-user-share depends on gnome-bluetooth; however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-user-share (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-core: gnome-core depends on gNo apport report written because the error message indicates its a followup error from a previous failure. No apport report written because the error message indicates its a followup error from a previous failure. No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already nome-bluetooth (>= 3.0); however: Package gnome-bluetooth is not configured yet. gnome-core depends on gnome-shell (>= 3.0); however: Package gnome-shell is not configured yet. gnome-core depends on gnome-user-share (>= 3.0); however: Package gnome-user-share is not configured yet. dpkg: error processing gnome-core (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: bluez gnome-bluetooth gnome-shell gnome-user-share gnome-core E: Sub-process /usr/bin/dpkg returned an error code (1) Any thoughts?

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Gnome Install Error (1) [closed]

- by Guy1984

I'm trying to install Gnome on my Ubuntu 12.04 P.Pangolin and getting the following errors: root@***:~# sudo apt-get install gnome-core gnome-session-fallback Reading package lists... Done Building dependency tree Reading state information... Done gnome-core is already the newest version. gnome-session-fallback is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded. 5 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up bluez (4.98-2ubuntu7) ... start: Job failed to start invoke-rc.d: initscript bluetooth, action "start" failed. dpkg: error processing bluez (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of gnome-bluetooth: gnome-bluetooth depends on bluez (>= 4.36); however: Package bluez is not configured yet. dpkg: error processing gnome-bluetooth (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-shell: gnome-shell depends on gnome-bluetooth (>= 3.0.0); however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-shell (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-user-share: gnome-user-share depends on gnome-bluetooth; however: Package gnome-bluetooth is not configured yet. dpkg: error processing gnome-user-share (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of gnome-core: gnome-core depends on gNo apport report written because the error message indicates its a followup error from a previous failure. No apport report written because the error message indicates its a followup error from a previous failure. No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already nome-bluetooth (>= 3.0); however: Package gnome-bluetooth is not configured yet. gnome-core depends on gnome-shell (>= 3.0); however: Package gnome-shell is not configured yet. gnome-core depends on gnome-user-share (>= 3.0); however: Package gnome-user-share is not configured yet. dpkg: error processing gnome-core (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: bluez gnome-bluetooth gnome-shell gnome-user-share gnome-core E: Sub-process /usr/bin/dpkg returned an error code (1) Any thoughts?

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Unable to delete a file using bash script

- by user3719091

I'm having problems removing a file in a bash script. I saw the other post with the same problem but none of those solutions solved my problem. The bash script is an OP5 surveillance check and it calls an Expect process that saves a temporary file to the local drive which the bash script reads from. Once it has read the file and checked its status I would like to remove the temporary file. I'm pretty new to scripting so my script may not be as optimal as it can be. Either way it does the job except removing the file once it's done. I will post the entire code below: #!/bin/bash #GET FLAGS while getopts H:c:w: option do case "${option}" in H) HOSTADDRESS=${OPTARG};; c) CRITICAL=${OPTARG};; w) WARNING=${OPTARG};; esac done ./expect.vpn.check.sh $HOSTADDRESS #VARIABLES VPNCount=$(grep -o '[0-9]\+' $HOSTADDRESS.op5.vpn.results) # Check if the temporary results file exists if [ -f $HOSTADDRESS.op5.vpn.results ] then # If the file exist, Print "File Found" message echo Temporary results file exist. Analyze results. else # If the file does NOT exist, print "File NOT Found" message and send message to OP5 echo Temporary results file does NOT exist. Unable to analyze. # Exit with status Critical (exit code 2) exit 2 fi if [[ "$VPNCount" > $CRITICAL ]] then # If the amount of tunnels exceeds the critical threshold, echo out a warning message and current threshold and send warning to OP5 echo "The amount of VPN tunnels exceeds the critical threshold - ($VPNCount)" # Exit with status Critical (exit code 2) exit 2 elif [[ "$VPNCount" > $WARNING ]] then # If the amount of tunnels exceeds the warning threshold, echo out a warning message and current threshold and send warning to OP5 echo "The amount of VPN tunnels exceeds the warning threshold - ($VPNCount)" # Exit with status Warning (exit code 1) exit 1 else # The amount of tunnels do not exceed the warning threshold. # Print an OK message echo OK - $VPNCount # Exit with status OK exit 0 fi #Clean up temporary files. rm -f $HOSTADDRESS.op5.vpn.results I have tried the following solutions: Create a separate variable called TempFile that specifies the file. And specify that in the rm command. I tried creating another if statement similar to the one I use to verify that file exist and then rm the filename. I tried adding the complete name of the file (no variables, just plain text of the file) I can: Remove the file using the full name in both a separate script and directly in the CLI. Is there something in my script that locks the file that prevents me from removing it? I'm not sure what to try next. Thanks in advance!

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postfix cannot getting my domain name?

- by Kossel

Hi I'm trying to setup webmin+postfix+dovecot+roundcube, for this moment I want things be as simple as possible so I'm using linux users as email accounts. I can send/receive from the same domain, I mean [email protected] can send/receive to/from [email protected] I tested smtp/imap with outlook and says no problem. if I send a mail from gmail it reject with error of: Technical details of temporary failure: The recipient server did not accept our requests to connect. when I login with roundcube the email address display in the right corner is something like user1@com and I get this error message from logs: [11-Nov-2012 07:39:03 +0400]: IMAP Error: Login failed for user1 from 187.150.xx.xx. Could not connect to com:143: php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/webmail/program/include/rcube_imap.php on line 191 (POST /webmail/?_task=login&_action=login) it says Could not connect to com:143 looks like it cannot read the domain name. I used http://mxtoolbox.com/ to check the mx record and it says it can find the server of mail.mydomain.com. I quit sure the problema is from postfix or my server configs, but I have been looking for every config file and cannot find the answer of this. any suggestion I will appreciate. here are some of my configs (I don't want to make this question too long, I can provide any other information to solve this question): postfix main.cf #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_sasl_security_options = noanonymous smtpd_sasl_auth_enable = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. mydomain = mydomain.com myhostname = mail.mydomain.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases mydestination = $mydomain, $myhostname mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + virtual_alias_domains = mydomain.com smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination permit_sasl_authenticated myorigin = $mydomain roundcube conf // ---------------------------------- // IMAP // ---------------------------------- $rcmail_config['default_host'] = '%d'; $rcmail_config['default_port'] = 143; $rcmail_config['imap_auth_type'] = null; $rcmail_config['imap_delimiter'] = null; $rcmail_config['imap_ns_personal'] = null; $rcmail_config['imap_ns_other'] = null; $rcmail_config['imap_ns_shared'] = null; $rcmail_config['imap_force_caps'] = false; $rcmail_config['imap_force_lsub'] = false; $rcmail_config['imap_force_ns'] = false; $rcmail_config['imap_timeout'] = 0; $rcmail_config['imap_auth_cid'] = null; $rcmail_config['imap_auth_pw'] = null; $rcmail_config['imap_cache'] = null; $rcmail_config['messages_cache'] = false;

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Unclear pricing of Windows Azure

- by Dirk

How do you people think about the Windows Azure pricing model and the way it is presented to the user? I just found out that Azure keeps charging hours for STOPPED instances. I just received a bill from more than 100 euro for 3 STOPPED instances (not) running "HelloAzure". I the past I also played around with Amazon Web Services. Amazon doesn't charge for stopped instances. I was wondering: "Should I have known this before, or is Microsoft doing a bad job in clear communication in the pricing model?" Quote from http://www.microsoft.com/windowsazure/pricing/ : Compute time, measured in service hours: Windows Azure compute hours are charged only for when your application is deployed. When developing and testing your application, developers will want to remove the compute instances that are not being used to minimize compute hour billing. Partial compute hours are billed as full hours. I read this, so I stopped all instances after a few hours playing around. Now it seems I should have deleted them, not just "stopped". Strictly speaking, all depends on the definition of the word "deployed". If you upload an application, but it is not running, can it still be regarded as being "deployed"? May be, but when you read this for the first time, with AWS experience in mind, I don't think it's 100% clear what this means. Technically speaking, an uploaded application only uses (read: should only use / needs only) a few MB harddrive space. It doesn't require any CPU time. If Azure wants to reserve CPU's for not running instances.. well, that's Azure's choice, not mine. I don't want to spread a hate campaign at all, but I do want to know how people think about this subject. Should Microsoft be more clear about their pricing model or do you think it's clear enough? Second question: did anyone got refunded for a similar case? Thanks in advance! UPDATE 27-01-2011 I sent an email to customer support a few days ago, but I guess that didn't reach anu human being because I didn't hear anything from it. So, I made a telephone call today with a Dutch customer support representative (I live in Holland). She totally understood the problem and she's trying to get a refund for me. However, she mentioned that "usually these refund requests are denied", but she's going to try. She also mentioned that I'm not the first one with this (or similar) problem. UPDATE 28-01-2011 I just received a phonecall from Microsoft support. The lady told me some good news: the money will refunded. However, the invoice has not been made yet, and my creditcard will first be chardged, after which it will be refunded, but hey, that's no problem for me! I'm glad the way it's solved! Thanks everybody!

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Monitoring slow nginx/unicorn requests

- by injekt

I'm currently using Nginx to proxy requests to a Unicorn server running a Sinatra application. The application only has a couple of routes defined, those of which make fairly simple (non costly) queries to a PostgreSQL database, and finally return data in JSON format, these services are being monitored by God. I'm currently experiencing extremely slow response times from this application server. I have another two Unicorn servers being proxied via Nginx, and these are responding perfectly fine, so I think I can rule out any wrong doing from Nginx. Here is my God configuration: # God configuration APP_ROOT = File.expand_path '../', File.dirname(__FILE__) God.watch do |w| w.name = "app_name" w.interval = 30.seconds # default w.start = "cd #{APP_ROOT} && unicorn -c #{APP_ROOT}/config/unicorn.rb -D" # -QUIT = graceful shutdown, waits for workers to finish their current request before finishing w.stop = "kill -QUIT `cat #{APP_ROOT}/tmp/unicorn.pid`" w.restart = "kill -USR2 `cat #{APP_ROOT}/tmp/unicorn.pid`" w.start_grace = 10.seconds w.restart_grace = 10.seconds w.pid_file = "#{APP_ROOT}/tmp/unicorn.pid" # User under which to run the process w.uid = 'web' w.gid = 'web' # Cleanup the pid file (this is needed for processes running as a daemon) w.behavior(:clean_pid_file) # Conditions under which to start the process w.start_if do |start| start.condition(:process_running) do |c| c.interval = 5.seconds c.running = false end end # Conditions under which to restart the process w.restart_if do |restart| restart.condition(:memory_usage) do |c| c.above = 150.megabytes c.times = [3, 5] # 3 out of 5 intervals end restart.condition(:cpu_usage) do |c| c.above = 50.percent c.times = 5 end end w.lifecycle do |on| on.condition(:flapping) do |c| c.to_state = [:start, :restart] c.times = 5 c.within = 5.minute c.transition = :unmonitored c.retry_in = 10.minutes c.retry_times = 5 c.retry_within = 2.hours end end end Here is my Unicorn configuration: # Unicorn configuration file APP_ROOT = File.expand_path '../', File.dirname(__FILE__) worker_processes 8 preload_app true pid "#{APP_ROOT}/tmp/unicorn.pid" listen 8001 stderr_path "#{APP_ROOT}/log/unicorn.stderr.log" stdout_path "#{APP_ROOT}/log/unicorn.stdout.log" before_fork do |server, worker| old_pid = "#{APP_ROOT}/tmp/unicorn.pid.oldbin" if File.exists?(old_pid) && server.pid != old_pid begin Process.kill("QUIT", File.read(old_pid).to_i) rescue Errno::ENOENT, Errno::ESRCH # someone else did our job for us end end end I have checked God status logs but it appears CPU and Memory Usage are never out of bounds. I also have something to kill high memory workers, which can be found on the GitHub blog page here. When running a tail -f on the Unicorn logs I see some requests, but they're far and few between, when I was at around 60-100 a second before this trouble seemed to have arrived. This log also shows workers being reaped and started as expected. So my question is, how would I go about debugging this? What are the next steps I should be taking? I'm extremely baffled that the server will sometimes respond quickly, but at others time it's very slow, for long periods of time (which may or may not be peak traffic times). Any advice is much appreciated.

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