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  • Massive Affiliate Shopping Platform. Is WordPress really suitable? [closed]

    - by SPI
    I am working on an online shopping platform that acquires it's data from various affiliate programs through XML files. I am talking hundreds and thousands of items per program here that change often if they go out of stock. My clients choice of CMS was WordPress. I am guessing he assumed the user friendly interface would make life easy for him. However, the fact that he hired me to parse the XML files, store data in the back-end and basically make everything work tells me he had very little clue about what he was getting himself into. My impression is that WordPress has a very specific way of handling data as it divides everything into categories/sub-categories in the back-end which is very counter intuitive to a business model where data exists in numbers of over hundreds and thousands of items and is further cross referenced by programs so that any change in the programs XML file can easily be reflected products page. Conclusion I have a very specific database model implemented for handling my clients needs. However, this model conflicts with how wordpress chooses to save data in the back-end natively. I am absolutely convinced WordPress is geared towards anything that might resemble a blog and definitely not THIS. I am thinking about asking my client to shift to a custom CMS. Before making my pitch though, I wanted to run this by the stack community. Thanks for the input in advance.

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  • How to make Flash 'play well with others'?

    - by Sensei James
    What up fam. So this isn't a question asking about memory management schemes; for those of you who may not know, the Flash Virtual Machine relies on garbage collection by using reference counting and mark and sweep (for good coverage of these topics, check out Grant Skinner's article and presentation). And yes, Flash also provides the "delete" operator, which can (unfortunately only) be used to remove the properties of dynamic objects. What I want to know is how to make it so that Flash programs don't continue to consume CPU and memory while running in the background (save loading content or communicating remotely, for example). The motivation for this question comes in part from Apple's ban on cross compiled applications (in its SDK 4) on the grounds that they do not behave as predicted with the multitasking feature central to iPhone OS 4. My intention is not only to make Flash programs that will 'pass muster' as far as multitasking in iPhone OS 4, but also to simply make better (behaving) Flash programs. Put another way, how might a Flash application mimic the multitasking feature of iPhone OS 4? Does the Flash API provide the means for a developer to put their applications to 'sleep' while other programs run, and then to 'awaken' them just as quickly? In our own program, we might do something as crude as detecting when the user has been idle (no mouse motion or key press) for (say) four seconds: var idle_id:uint = setInterval(4000, pause_program); var current_movie_clip:MovieClip; var current_frame:uint; ... // on Mouse move or key press... clearInterval(idle_id); idle_id = setInterval(4000, pause_program); ... function pause_program():void { current_movie_clip = event.target as MovieClip; current_frame = current_movie_clip.currentFrame; MovieClip(root).gotoAndStop("program_pause_screen"); } (on the program pause screen) resume_button.addEventListener(MouseEvent.CLICK, resume_program); function resume_program(event:MouseEvent) { current_movie_clip.gotoAndPlay(current_frame); } If that's the right idea, what's the best way to detect that an application should be shelved? And, more importantly, is it possible for Flash Player to detect that some of its running programs are idle, and to similarly shelve them until the user performs an action to resume them? (Please feel free to answer as much or as little of the many questions I've posed.)

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  • Is there a way to split a widescreen monitor in to two or more virtual monitors?

    - by Mike Thompson
    Like most developers I have grown to love dual monitors. I won't go into all the reasons for their goodness; just take it as a given. However, they are not perfect. You can never seem to line them up "just right". You always end up with the monitors at slight funny angles. And of course the bezel always gets in the way. And this is with identical monitors. The problem is much worse with different monitors -- VMWare's multi monitor feature won't even work with monitors of differnt resolutions. When you use multiple monnitors, one of them becomes your primary monitor of focus. Your focus may flip from one monitor to the other, but at any point in time you are usually focusing on only one monitor. There are exceptions to this (WinDiff, Excel), but this is generally the case. I suggest that having a single large monitor with all the benefits of multiple smaller monitors would be a better solution. Wide screen monitors are fantastic, but it is hard to use all the space efficiently. If you are writing code you are generally working on the left-hand side of the window. If you maximize an editor on a wide-screen monitor the right-hand side of the window will be a sea of white. Programs like WinSplit Revolution will help to organise your windows, but this is really just addressing the symptom, not the problem. Even with WinSplit Revolution, when you maximise a window it will take up the whole screen. You can't lock a window into a specific section of the screen. This is where virtual monitors comes in. What would be really nice is a video driver that sits on top of the existing driver, but allows a single monitor to be virtualised into multiple monitors. Control Panel would see your single physical monitor as two or more virtual monitors. The software could even support a virtual bezel to emphasise what is happening, or you could opt for seamless mode. Programs like WinSplit Revolution and UltraMon would still work. This virtual video driver would allow you to slice & dice your physical monitor into as many virtual monitors as you want. Does anybody know if such software exists? If not, are there any budding Windows display driver guru's out there willing to take up the challenge? I am not after the myriad of virtual desktop/window manager programs that are available. I get frustrated with these programs. They seem good at first but they usually have some strange behaviour and don't work well with other programs (such as WinSplit Revolution). I want the real thing!

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  • Why Is Hibernation Still Used?

    - by Jason Fitzpatrick
    With the increased prevalence of fast solid-state hard drives, why do we still have system hibernation? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. The Question SuperUser reader Moses wants to know why he should use hibernate on a desktop machine: I’ve never quite understood the original purpose of the Hibernation power state in Windows. I understand how it works, what processes take place, and what happens when you boot back up from Hibernate, but I’ve never truly understood why it’s used. With today’s technology, most notably with SSDs, RAM and CPUs becoming faster and faster, a cold boot on a clean/efficient Windows installation can be pretty fast (for some people, mere seconds from pushing the power button). Standby is even faster, sometimes instantaneous. Even SATA drives from 5-6 years ago can accomplish these fast boot times. Hibernation seems pointless to me [on desktop computers] when modern technology is considered, but perhaps there are applications that I’m not considering. What was the original purpose behind hibernation, and why do people still use it? Quite a few people use hibernate, so what is Moses missing in the big picture? The Answer SuperUser contributor Vignesh4304 writes: Normally hibernate mode saves your computer’s memory, this includes for example open documents and running applications, to your hard disk and shuts down the computer, it uses zero power. Once the computer is powered back on, it will resume everything where you left off. You can use this mode if you won’t be using the laptop/desktop for an extended period of time, and you don’t want to close your documents. Simple Usage And Purpose: Save electric power and resuming of documents. In simple terms this comment serves nice e.g (i.e. you will sleep but your memories are still present). Why it’s used: Let me describe one sample scenario. Imagine your battery is low on power in your laptop, and you are working on important projects on your machine. You can switch to hibernate mode – it will result your documents being saved, and when you power on, the actual state of application gets restored. Its main usage is like an emergency shutdown with an auto-resume of your documents. MagicAndre1981 highlights the reason we use hibernate everyday: Because it saves the status of all running programs. I leave all my programs open and can resume working the next day very easily. Doing a real boot would require to start all programs again, load all the same files into those programs, get to the same place that I was at before, and put all my windows in exactly the same place. Hibernating saves a lot of work pulling these things back up again. It’s not unusual to find computers around the office here that have been hibernated day in and day out for months without an actual full system shutdown and restart. It’s enormously convenient to freeze your work space at the exact moment you stopped working and to turn right around and resume there the next morning. Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.     

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  • Synchronous Actions

    - by Dan Krasinski-Oracle
    Since the introduction of SMF, svcadm(1M) has had the ability to enable or disable a service instance and wait for that service instance to reach a final state.  With Oracle Solaris 11.2, we’ve expanded the set of administrative actions which can be invoked synchronously. Now all subcommands of svcadm(1M) have synchronous behavior. Let’s take a look at the new usage: Usage: svcadm [-v] [cmd [args ... ]] svcadm enable [-rt] [-s [-T timeout]] <service> ... enable and online service(s) svcadm disable [-t] [-s [-T timeout]] <service> ... disable and offline service(s) svcadm restart [-s [-T timeout]] <service> ... restart specified service(s) svcadm refresh [-s [-T timeout]] <service> ... re-read service configuration svcadm mark [-It] [-s [-T timeout]] <state> <service> ... set maintenance state svcadm clear [-s [-T timeout]] <service> ... clear maintenance state svcadm milestone [-d] [-s [-T timeout]] <milestone> advance to a service milestone svcadm delegate [-s] <restarter> <svc> ... delegate service to a restarter As you can see, each subcommand now has a ‘-s’ flag. That flag tells svcadm(1M) to wait for the subcommand to complete before returning. For enables, that means waiting until the instance is either ‘online’ or in the ‘maintenance’ state. For disable, the instance must reach the ‘disabled’ state. Other subcommands complete when: restart A restart is considered complete once the instance has gone offline after running the ‘stop’ method, and then has either returned to the ‘online’ state or has entered the ‘maintenance’ state. refresh If an instance is in the ‘online’ state, a refresh is considered complete once the ‘refresh’ method for the instance has finished. mark maintenance Marking an instance for maintenance completes when the instance has reached the ‘maintenance’ state. mark degraded Marking an instance as degraded completes when the instance has reached the ‘degraded’ state from the ‘online’ state. milestone A milestone transition can occur in one of two directions. Either the transition moves from a lower milestone to a higher one, or from a higher one to a lower one. When moving to a higher milestone, the transition is considered complete when the instance representing that milestone reaches the ‘online’ state. The transition to a lower milestone, on the other hand, completes only when all instances which are part of higher milestones have reached the ‘disabled’ state. That’s not the whole story. svcadm(1M) will also try to determine if the actions initiated by a particular subcommand cannot complete. Trying to enable an instance which does not have its dependencies satisfied, for example, will cause svcadm(1M) to terminate before that instance reaches the ‘online’ state. You’ll also notice the optional ‘-T’ flag which can be used in conjunction with the ‘-s’ flag. This flag sets a timeout, in seconds, after which svcadm gives up on waiting for the subcommand to complete and terminates. This is useful in many cases, but in particular when the start method for an instance has an infinite timeout but might get stuck waiting for some resource that may never become available. For the C-oriented, each of these administrative actions has a corresponding function in libscf(3SCF), with names like smf_enable_instance_synchronous(3SCF) and smf_restart_instance_synchronous(3SCF).  Take a look at smf_enable_instance_synchronous(3SCF) for details.

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  • Customer Loyalty vs. Customer Engagement: Who Cares?

    - by Jeb Dasteel-Oracle
    Have you read the recent Forbes OracleVoice blog titled Customer Loyalty is Dead. Long Live Engagement!? If you haven’t, take a look. This article prompted lots of conversation in the social realm. Many who read the article voiced their reactions to the headline and now I’m jumping in to add my view. Normal 0 false false false EN-US X-NONE X-NONE Customer loyalty is still key. It’s the effect and engagement is the cause. We at least know that to be true for our customers. We are in an age where customers are demanding to be heard. We need them to be actively involved – or engaged – as well. Greater levels of customer engagement, properly targeted, positively correlate with satisfaction. Our data has shown us this over and over. Satisfied customers are more loyal and more willing to vocalize their satisfaction through referencing, and are more likely to purchase again, all of which in turn drives incremental revenue – from the customer doing the referencing AND the customer on the receiving end of that reference. Turning this around completely, if we begin to see the level of a customer’s engagement start to wane, this is an indicator that their satisfaction, loyalty, and future revenue are likely at risk. At Oracle, we’ve put in place many programs to target, encourage, and then track engagement, allowing us to measure engagement as a determinant of loyalty. Some of these programs include our Key Accounts, solution design and architectural, Executive Sponsorship, as well as executive advisory boards. Specific programs allow us to engage specific contacts within specific customer organizations (based on role) and then systematically track their engagement activities over time, along side of tracking customer satisfaction, loyalty, referenceability, and incremental revenue contribution. Continuous measurement of engagement allows us to better understand customer views of what it means to partner with a provider and adjust program participation to better meet the needs of the partnership. We can also track across customer segments, and design new programs that are even more effective than the ones we have in place today. In case you missed any of my previous Forbes articles, I’ve included links below for easy access. Award-Winning Companies Put Customers First The Power of Peer Networks: 5 Reasons to Get (and Stay) Involved Technology At Work: Traveling In Style Customer Central: 8 Strategies for Putting Customers at the Core of Your Business Technology at Work: Five Companies Doing IT Right /* 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-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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  • Unable to find reference to std library math function inside library

    - by Alex Marshall
    Hello, I've got several programs that use shared libraries. Those shared libraries in turn use various standard C libraries. ie Program A and Program B both use Shared Library S. Shared Library S uses std C math. I want to be able to statically link Shared Library S against the standard library, and then statically link Programs A and B against S so that I don't have to be dragging around the library files, because these programs are going to be running on an embedded system running BusyBox 0.61. However, when I try to statically link the programs against Shared Library S, I get an error message from GCC stating : ../lib/libgainscalecalc.a(gainscalecalc.): In function 'float2gs': [path to my C file].c:73: undefined reference to 'log' Can somebody please help me out ? The make commands I'm using are below : CFLAGS += -Wall -g -W INCFLAGS = -I$(CROSS_INCLUDE)/usr/include LIBFLAGS += -L$(CROSS_LIB)/usr/lib -lm gainscalecalc_static.o: gainscalecalc.c $(CC) $(CFLAGS) -c $< -I. $(INCFLAGS) -o $@ gainscalecalc_dynamic.o: gainscalecalc.c $(CC) $(CFLAGS) -fPIC -c $< -o $@ all: staticlib dynamiclib static_driver dynamic_driver clean: $(RM) *.o *.a *.so *~ driver core $(OBJDIR) static_driver: driver.c staticlib $(CC) $(CFLAGS) -static driver.c $(INCFLAGS) $(LIBFLAGS) -I. -L. -lgainscalecalc -o $@ dynamic_driver: driver.c dynamiclib $(CC) $(CFLAGS) driver.c -o $@ -L. -lgainscalecalc staticlib: gainscalecalc_static.o $(AR) $(ARFLAGS) libgainscalecalc.a gainscalecalc_static.o $(RANLIB) libgainscalecalc.a chmod 777 libgainscalecalc.a dynamiclib: gainscalecalc_dynamic.o $(CC) -shared -o libgainscalecalc.so gainscalecalc_dynamic.o chmod 777 libgainscalecalc.so Edit: Linking against the shared libraries compiles fine, I just haven't tested them out yet

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  • C++ operator new, object versions, and the allocation sizes

    - by mizubasho
    Hi. I have a question about different versions of an object, their sizes, and allocation. The platform is Solaris 8 (and higher). Let's say we have programs A, B, and C that all link to a shared library D. Some class is defined in the library D, let's call it 'classD', and assume the size is 100 bytes. Now, we want to add a few members to classD for the next version of program A, without affecting existing binaries B or C. The new size will be, say, 120 bytes. We want program A to use the new definition of classD (120 bytes), while programs B and C continue to use the old definition of classD (100 bytes). A, B, and C all use the operator "new" to create instances of D. The question is, when does the operator "new" know the amount of memory to allocate? Compile time or run time? One thing I am afraid of is, programs B and C expect classD to be and alloate 100 bytes whereas the new shared library D requires 120 bytes for classD, and this inconsistency may cause memory corruption in programs B and C if I link them with the new library D. In other words, the area for extra 20 bytes that the new classD require may be allocated to some other variables by program B and C. Is this assumption correct? Thanks for your help.

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  • Accepting more simultaneous keyboard inputs

    - by unknownthreat
    Sometimes, a normal computer keyboard will only accept user's inputs up to a certain key simultaneously. I got a logitech keyboard that can accept up to 3-4 key presses at the same time. The computer does not accept any more input if you press more than 4 keys for this keyboard. And it also depends on certain areas of your keyboard as well. Some locations allow more key to be pressed (like the arrow keys), while some locations permit you to press only 1-2 keys. This also differs from keyboard to keyboard as well. Some older keyboards only accept up 1-2 keys. This isn't problematic with usual office work, but when it comes to gaming. For instance, imagine a platform game, where you have to jump, attack, and control direction at the same time. This implies several key presses and some keyboards cannot accept such simultaneous input. However, I've tried this on several games and the amount of possible keyboard inputs seem to be also different. Therefore, we have two issues: Keyboards have different amount of simultaneous inputs. Some games can accept more keyboard inputs than other games. At first, I thought this is hardware only problem, but why do some programs behave differently? Why some programs can accept more keyboard inputs than other programs? So how can we write our programs to accept more keyboard inputs?

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  • Python 3.3 Webserver restarting problems

    - by IPDGino
    I have made a simple webserver in python, and had some problems with it before as described here: Python (3.3) Webserver script with an interesting error In that question, the answer was to use a While True: loop so that any crashes or errors would be resolved instantly, because it would just start itself again. I've used this for a while, and still want to make the server restart itself every few minutes, but on Linux for some reason it won't work for me. On windows the code below works fine, but on linux it keeps saying Handler class up here ... ... class Server: def __init__(self): self.server_class = HTTPServer self.server_adress = ('MY IP GOES HERE, or localhost', 8080) global httpd httpd = self.server_class(self.server_adress, Handler) self.main() def main(self): if count > 1: global SERVER_UP_SINCE HOUR_CHECK = int(((count - 1) * RESTART_INTERVAL) / 60) SERVER_UPTIME = str(HOUR_CHECK) + " MINUTES" if HOUR_CHECK > 60: minutes = int(HOUR_CHECK % 60) hours = int(HOUR_CHECK // 60) SERVER_UPTIME = ("%s HOURS, %s MINUTES" % (str(hours), str(minutes))) SERVING_ON_ADDR = self.server_adress SERVER_UP_SINCE = str(SERVER_UP_SINCE) SERVER_RESTART_NUMBER = count - 1 print(""" SERVER INFO ------------------------------------- SERVER_UPTIME: %s SERVER_UP_SINCE: %s TOTAL_FILES_SERVED: %d SERVING_ON_ADDR: %s SERVER_RESTART_NUMBER: %s \n\nSERVER HAS RESTARTED """ % (SERVER_UPTIME, SERVER_UP_SINCE, TOTAL_FILES, SERVING_ON_ADDR, SERVER_RESTART_NUMBER)) else: print("SERVER_BOOT=1\nSERVER_ONLINE=TRUE\nRESTART_LOOP=TRUE\nSERVING_ON_ADDR:%s" % str(self.server_adress)) while True: try: httpd.serve_forever() except KeyboardInterrupt: print("Shutting down...") break httpd.shutdown() httpd.socket.close() raise(SystemExit) return def server_restart(): """If you want the restart timer to be longer, replace the number after the RESTART_INTERVAL variable""" global RESTART_INTERVAL RESTART_INTERVAL = 10 threading.Timer(RESTART_INTERVAL, server_restart).start() global count count = count + 1 instance = Server() if __name__ == "__main__": global SERVER_UP_SINCE SERVER_UP_SINCE = strftime("%d-%m-%Y %H:%M:%S", gmtime()) server_restart() Basically, I make a thread to restart it every 10 seconds (For testing purposes) and start the server. After ten seconds it will say File "/home/username/Desktop/Webserver/server.py", line 199, in __init__ httpd = self.server_class(self.server_adress, Handler) File "/usr/lib/python3.3/socketserver.py", line 430, in __init__ self.server_bind() File "/usr/lib/python3.3/http/server.py", line 135, in server_bind socketserver.TCPServer.server_bind(self) File "/usr/lib/python3.3/socketserver.py", line 441, in server_bind self.socket.bind(self.server_address) OSError: [Errno 98] Address already in use As you can see in the except KeyboardInterruption line, I tried everything to make the server stop, and the program stop, but it will NOT stop. But the thing I really want to know is how to make this server able to restart, without giving some wonky errors.

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  • Understanding the value of Customer Experience & Loyalty for the Telecommunications Industry

    - by raul.goycoolea
    Worried by economic woes and market forces, especially in mature markets, communications service providers (CSPs) increasingly focus on improving customer experience. In fact, it seems difficult to find a major message by a C-level executive in the developed world that does not include something on "meeting and exceeding customers' needs". Frequently in customer satisfaction studies by prominent firms, CSPs fall short of the leadership demonstrated by other industries that take customer-centric approaches to their bottom-line strategies. Consider the following:Despite the continued impact of global economic crisis, in July 2010, Apple Computer posted record revenue and net quarterly profit. Those who attribute the results primarily to the iPhone 4 launch should note that Apple also shipped around 30% more Macintosh computers than the same period the previous year. Even sales of the iPod line increased by 8% in a highly commoditized, shrinking media player market. Finally, Apple began selling iPads during the quarter, with total sales of more than 3 million units. What does Apple have that the others lack? Well, some great products (and services) to be sure, but it also excels at customer service and support, marketing, and distribution, and has one of the strongest brands globally. Its products are useful, simple to use, easy to acquire and augment, high quality, and considered very cool. They also evoke such an emotional response from many of Apple's customers, which they turn up their noses at competitive products.In other words, Apple appears to have mastered virtually every aspect of customer experience and the resultant loyalty of its customer base - even in difficult financial times. Through that unwavering customer focus, Apple continues to drive its revenues and profits to new heights. Other customer loyalty leaders like Wal-Mart, Google, Toyota and Honda are also doing well by focusing on customer experience as an essential driver of profitability. Service providers should note this performance and ask themselves how they might leverage the same principles to increase their own profitability. After all, that is what customer experience and loyalty are all about: profitability.To successfully manage all the critical touch points of customer experience, CSPs must shun the one-size-fits-all approach. They can no longer afford to view customer service fundamentally as an act of altruism - which mentality dates back to the industry's civil service days, when CSPs were typically government organizations that were critical to economic development and public safety.As regulators and public officials have pushed, and continue to push, service providers to new heights of reliability - using incentives and punishments - most CSPs already have some of the fundamental building blocks of customer service in place. Yet despite that history and experience, service providers still lag other industries in providing what is seen as good customer service.As we observed in the TMF's 2009 Insights Research report, Customer Experience Management: Driving Loyalty & Profitability there has been resurgence in interest by CSPs. More and more of them have stated ambitions to catch up other industries, and they are realizing that good customer service is a powerful strategy for increasing business performance and profitability, not an act of good will.CSPs are recognizing the connection between customer experience and profitability, as demonstrated in many studies. For example, according to research by Bain & Company, a 5 percent improvement in customer retention rates can yield as much as a 75 percent increase in profits for companies across a range of industries.After decades of customer experience strategy formulation, Bain partner and business author, Frederick Reichheld, considers "would you recommend us to a friend?" as the ultimate question for a customer. How many times have you or your friends recommended an iPod, iPhone or a Mac? What do your children recommend to their peers? Their peers to them?There are certain steps service providers have to take to create more personalized relationships with their customers, as well as reduce churn and increase profitability, all while becoming leaner and more agile. First, they have to define customer experience, we define it as the result of the sum of observations, perceptions, thoughts and feelings arising from interactions and relationships between customers and their service provider(s). Virtually every customer touch point - whether directly or indirectly linked to service providers and their partners - contributes to customer perception, satisfaction, loyalty, and ultimately profitability. Gaining leadership in customer experience and satisfaction will not be a simple task, as it is affected by virtually every customer-facing aspect of the service provider, and in turn impacts the service provider deeply - especially on the all-important bottom line. The scope of issues affecting customer experience is complex and dynamic.With new services, devices and applications extending the basis of customer experience to domains beyond the direct control of the service provider, it is likely to increase in complexity and dynamism.Customer loyalty = increased profitsAs stated earlier, customer experience programs are not fundamentally altruistic exercises, but a strategic means of improving competitiveness and profitability in the short and long term. Loyalty is essential to deriving long term profits from customers.Some of the earliest loyalty programs date back to the 1930s, when packaged goods companies offered embedded coupons for rewards to buyers, and eventually retail chains began offering reward programs to frequent shoppers. These programs continued for decades but were leapfrogged in the 1980s by more aggressive programs from the airlines.This movement was led by American Airlines, which launched the first full-scale loyalty marketing program of the modern era with the AAdvantage frequent flyer scheme. It was the first to reward frequent fliers with notional air miles that could be accumulated and later redeemed for free travel. Figure 1: Opportunities example of Customer loyalty driven profitOther airlines and travel providers were quick to grasp the incredible value of providing customers with an incentive to use their company exclusively. Within a few years, dozens of travel industry companies launched similar initiatives and now loyalty programs are achieving near-ubiquity in many service industries, especially those in which it is difficult to differentiate offerings by product attributes.The belief is that increased profitability will result from customer retention efforts because:•    The cost of acquisition occurs only at the beginning of a relationship: the longer the relationship, the lower the amortized cost;•    Account maintenance costs decline as a percentage of total costs, or as a percentage of revenue, over the lifetime of the relationship;•    Long term customers tend to be less inclined to switch and less price sensitive which can result in stable unit sales volume and increases in dollar-sales volume;•    Long term customers may initiate word-of-mouth promotions and referrals, which cost the company nothing and arguably are the most effective form of advertising;•    Long-term customers are more likely to buy ancillary products and higher margin supplemental products;•    Long term customers tend to be satisfied with their relationship with the company and are less likely to switch to competitors, making market entry or competitors gaining market share difficult;•    Regular customers tend to be less expensive to service, as they are familiar with the processes involved, require less 'education', and are consistent in their order placement;•    Increased customer retention and loyalty makes the employees' jobs easier and more satisfying. In turn, happy employees feed back into higher customer satisfaction in a virtuous circle. Figure 2: The virtuous circle of customer loyaltyFigure 2 represents a high-level example of a virtuous cycle driven by customer satisfaction and loyalty, depicting how superiority in product and service offerings, as well as strong customer support by competent employees, lead to higher sales and ultimately profitability. As stated above, this is not a new concept, but succeeding with it is difficult. It has eluded many a company driven to achieve profitability goals. Of course, for this circle to be virtuous, the customer relationship(s) must be profitable.Trying to maintain the loyalty of unprofitable customers is not a viable business strategy. It is, therefore, important that marketers can assess the profitability of each customer (or customer segment), and either improve or terminate relationships that are not profitable. This means each customer's 'relationship costs' must be understood and compared to their 'relationship revenue'. Customer lifetime value (CLV) is the most commonly used metric here, as it is generally accepted as a representation of exactly how much each customer is worth in monetary terms, and therefore a determinant of exactly how much a service provider should be willing to spend to acquire or retain that customer.CLV models make several simplifying assumptions and often involve the following inputs:•    Churn rate represents the percentage of customers who end their relationship with a company in a given period;•    Retention rate is calculated by subtracting the churn rate percentage from 100;•    Period/horizon equates to the units of time into which a customer relationship can be divided for analysis. A year is the most commonly used period for this purpose. Customer lifetime value is a multi-period calculation, often projecting three to seven years into the future. In practice, analysis beyond this point is viewed as too speculative to be reliable. The model horizon is the number of periods used in the calculation;•    Periodic revenue is the amount of revenue collected from a customer in a given period (though this is often extended across multiple periods into the future to understand lifetime value), such as usage revenue, revenues anticipated from cross and upselling, and often some weighting for referrals by a loyal customer to others; •    Retention cost describes the amount of money the service provider must spend, in a given period, to retain an existing customer. Again, this is often forecast across multiple periods. Retention costs include customer support, billing, promotional incentives and so on;•    Discount rate means the cost of capital used to discount future revenue from a customer. Discounting is an advanced method used in more sophisticated CLV calculations;•    Profit margin is the projected profit as a percentage of revenue for the period. This may be reflected as a percentage of gross or net profit. Again, this is generally projected across the model horizon to understand lifetime value.A strong focus on managing these inputs can help service providers realize stronger customer relationships and profits, but there are some obstacles to overcome in achieving accurate calculations of CLV, such as the complexity of allocating costs across the customer base. There are many costs that serve all customers which must be properly allocated across the base, and often a simple proportional allocation across the whole base or a segment may not accurately reflect the true cost of serving that customer;  This is made worse by the fragmentation of customer information, which is likely to be across a variety of product or operations groups, and may be difficult to aggregate due to different representations.In addition, there is the complexity of account relationships and structures to take into consideration. Complex account structures may not be understood or properly represented. For example, a profitable customer may have a separate account for a second home or another family member, which may appear to be unprofitable. If the service provider cannot relate the two accounts, CLV is not properly represented and any resultant cancellation of the apparently unprofitable account may result in the customer churning from the profitable one.In summary, if service providers are to realize strong customer relationships and their attendant profits, there must be a very strong focus on data management. This needs to be coupled with analytics that help business managers and those who work in customer-facing functions offer highly personalized solutions to customers, while maintaining profitability for the service provider. It's clear that acquiring new customers is expensive. Advertising costs, campaign management expenses, promotional service pricing and discounting, and equipment subsidies make a serious dent in a new customer's profitability. That is especially true given the rising subsidies for Smartphone users, which service providers hope will result in greater profits from profits from data services profitability in future.  The situation is made worse by falling prices and greater competition in mature markets.Customer acquisition through industry consolidation isn't cheap either. A North American service provider spent about $2,000 per subscriber in its acquisition of a smaller company earlier this year. While this has allowed it to leapfrog to become the largest mobile service provider in the country, it required a total investment of more than $28 billion (including assumption of the acquiree's debt).While many operating cost synergies clearly made this deal more attractive to the acquiring company, this is certainly an expensive way to acquire customers: the cost per subscriber in this case is not out of line with the prices others have paid for acquisitions.While growth by acquisition certainly increases overall revenues, it often creates tremendous challenges for profitability. Organic growth through increased customer loyalty and retention is a more effective driver of profit, as well as a stronger predictor of future profitability. Service providers, especially those in mature markets, are increasingly recognizing this and taking steps toward a creating a more personalized, flexible and satisfying experience for their customers.In summary, the clearest path to profitability for companies in virtually all industries is through customer retention and maximization of lifetime value. Service providers would do well to recognize this and focus attention on profitable customer relationships.

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  • PHP Network Monitoring

    - by Vlad Patrascu
    Is there a way that I can monitor the traffic, Upload/Download (separately) using PHP? I`d like to echo out something like that: Upload: 523 GB | Download: 25 GB This should be based on the System Uptime, so if I restart the computer, the count should restart. Thanks in Advance.

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  • pfsense peer-to-peer OpenVPN not connecting

    - by John P
    I'm trying to setup a peer-to-peer OpenVPN between two pfsense servers running 2.0.1-RELEASE, but the client keeps getting the connection dropped, with a status of "reconnecting; ping-restart" and nothing appears to be routing between them. Both these firewalls are also doing PPTP VPNs that are working correctly. FW01 ("server") ======================= LAN: 10.1.1.2/24 WAN: xx.xx.126.34/27 ServerMode: Peer to Peer (Shared Key) Protocol: UDP DeviceMode: tun Interface: WAN Port 1194 Tunnel: 10.0.8.1/30 Local Network: 10.1.1.0/24 Remote Network: 192.168.1.0/24 Firewall Rule in OpenVPN tab: UDP * * * * * none FW03 (client) LAN: 192.168.1.2/24 WAN: xx.xx.9.66/27 ServerMode: Peer to Peer (Shared Key) Protocol: UDP DeviceMode: tun Interface: WAN Server Host: xx.xx.126.34 Tunnel: -- also tried 10.1.8.0/24 Remote Network: 10.1.1.0/24 Client Logs: System Log Apr 6 18:00:08 kernel: ... Restarting packages. Apr 6 18:00:13 check_reload_status: Starting packages Apr 6 18:00:19 php: : Restarting/Starting all packages. Apr 6 18:00:56 kernel: ovpnc1: link state changed to DOWN Apr 6 18:00:56 check_reload_status: Reloading filter Apr 6 18:00:57 check_reload_status: Reloading filter Apr 6 18:00:57 kernel: ovpnc1: link state changed to UP Apr 6 18:00:57 check_reload_status: rc.newwanip starting ovpnc1 Apr 6 18:00:57 check_reload_status: Syncing firewall Apr 6 18:01:02 php: : rc.newwanip: Informational is starting ovpnc1. Apr 6 18:01:02 php: : rc.newwanip: on (IP address: ) (interface: ) (real interface: ovpnc1). Apr 6 18:01:02 php: : rc.newwanip: Failed to update IP, restarting... Apr 6 18:01:02 php: : send_event: sent interface reconfigure got ERROR: incomplete command. all reload reconfigure restart newip linkup sync Client OpenVPN log Apr 6 18:39:14 openvpn[12177]: Inactivity timeout (--ping-restart), restarting Apr 6 18:39:14 openvpn[12177]: SIGUSR1[soft,ping-restart] received, process restarting Apr 6 18:39:16 openvpn[12177]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Apr 6 18:39:16 openvpn[12177]: Re-using pre-shared static key Apr 6 18:39:16 openvpn[12177]: Preserving previous TUN/TAP instance: ovpnc1 Apr 6 18:39:16 openvpn[12177]: UDPv4 link local (bound): [AF_INET]64.94.9.66 Apr 6 18:39:16 openvpn[12177]: UDPv4 link remote: [AF_INET]64.74.126.34:1194 Server OpenVPN log Apr 6 14:40:36 openvpn[22117]: UDPv4 link remote: [undef] Apr 6 14:40:36 openvpn[22117]: UDPv4 link local (bound): [AF_INET]xx.xx.126.34:1194 Apr 6 14:40:36 openvpn[21006]: /usr/local/sbin/ovpn-linkup ovpns1 1500 1557 10.1.8.1 10.1.8.2 init Apr 6 14:40:36 openvpn[21006]: /sbin/ifconfig ovpns1 10.1.8.1 10.1.8.2 mtu 1500 netmask 255.255.255.255 up Apr 6 14:40:36 openvpn[21006]: do_ifconfig, tt-ipv6=0, tt-did_ifconfig_ipv6_setup=0 Apr 6 14:40:36 openvpn[21006]: TUN/TAP device /dev/tun1 opened Apr 6 14:40:36 openvpn[21006]: Control Channel Authentication: using '/var/etc/openvpn/server1.tls-auth' as a OpenVPN static key file Apr 6 14:40:36 openvpn[21006]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Apr 6 14:40:36 openvpn[21006]: OpenVPN 2.2.0 amd64-portbld-freebsd8.1 [SSL] [LZO2] [eurephia] [MH] [PF_INET6] [IPv6 payload 20110424-2 (2.2RC2)] built on Aug 11 2011 Apr 6 14:40:36 openvpn[17171]: SIGTERM[hard,] received, process exiting Apr 6 14:40:36 openvpn[17171]: /usr/local/sbin/ovpn-linkdown ovpns1 1500 1557 10.1.8.1 10.1.8.2 init Apr 6 14:40:36 openvpn[17171]: ERROR: FreeBSD route delete command failed: external program exited with error status: 1 Apr 6 14:40:36 openvpn[17171]: event_wait : Interrupted system call (code=4) Apr 6 14:06:32 openvpn[17171]: Initialization Sequence Completed Apr 6 14:06:32 openvpn[17171]: UDPv4 link remote: [undef] Apr 6 14:06:32 openvpn[17171]: UDPv4 link local (bound): [AF_INET]xx.xx.126.34:1194

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  • Monitor Mode on the Intel Centrino(R) Advanced-N 6205 (WEP Penetration) On Windows

    - by WindowsEscapist
    Can anyone tell me a way to do WEP hacking (legal, of course) (on my own wireless connection, for the purposes of this question) with Wireshark or similar programs on an Intel Centrino Advanced-N 6205? (Laptop is Acer Aspire 5750-6866.) According to the programs, I cannot accomplish this (monitor mode) but seeing as it is a fairly recent wireless card (should be able to support this) are there any cracked drivers available or does anyone have the knowledge to make one? Much appreciated! Thanks.

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  • Touch gestures in IE not working without explorer.exe being run once

    - by Michael
    Edit: Rephrasing my question: Upon further troubleshooting, I can conclude that: Touch gestures (dragging, pinch to zoom, touch-and-hold right click) in Internet Explorer start to work when: The system has been running for ~2 minutes. This coincides with the delayed start of services. Explorer.exe is being run, then killed. I assume Explorer.exe starts some services? The services with delayed start are as follows: Security Center Software Protection Windows Defender, Search and Update Windows Font Cache Service Microsoft .NET Framework NGEN v4.0.30319_X64 and X86 I see no connection between these services and touch gestures, but just in case, I manually tried starting these services, but without luck. What else happens delayed after system boot, which also happens when explorer is started? Old question: Details: Internet Explorer 9 and Windows 7 Professional, running on a HP TouchSmart (touch screen PC). It is going to be a kiosk PC (running a custom GUI for displaying websites). Scenario 1: When running Internet Explorer as a normal program in Windows 7, touch functions work perfectly. I can scroll the website by dragging it with my finger, I can pinch zoom and I can touch-and-hold right click. I now change the default shell in Windows to Internet Explorer (ie. IE starts instead of explorer.exe). Internet Explorer of course starts up when logging in. However, touch functions are reduced to basic clicking (no dragging, no pinch zooming, no touch-and-hold right click). Then I manually start explorer.exe, and the touch functions work again! And here is the weird part: When I kill explorer.exe, the touch functions keeps working - even if I close IE and start a new instance. Scenario 2: The exact same, but instead of changing the default shell to Internet Explorer, I change it to my own program, which uses an embedded Internet Explorer ("WebBrowser"). Same thing happens. What I've tried: Autorun programs: When explorer.exe launches, it launches all the autorun programs. There are no relevant programs being run by explorer, but just in case, I have manually started all the autorun programs, so that it is identical (but without explorer.exe) to a normal login. It still does not work (until I launch explorer.exe). Specifically TabTip.exe, TabTip32.exe and wisptis.exe are all running. All services are also started. To sum it up Running explorer.exe once changes something in the touch capabilities of Internet Explorer. It doesn't matter if explorer.exe is running - as long as it has been run once. Does anyone know what causes this behavior? Or how I can circumvent it neatly?

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  • Apache2 not restarting on ubuntu

    - by Mirage
    I have installed apache 2 in ubuntu but when i try to restart it gives me this error vmware@ubuntu:~$ sudo /etc/init.d/apache2 restart * Restarting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Mon Apr 12 17:37:43 2010] [warn] NameVirtualHost *:80 has no VirtualHosts apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Mon Apr 12 17:37:43 2010] [warn] NameVirtualHost *:80 has no VirtualHosts When i try http://localhost nothing comes

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  • How to check on which port apache is running

    - by Mirage
    Is there any command to find out if apache is running or not. and on which port except by seeingports.conf files When i try netstat command then apaches does not appear in that. but when i use apache2 restart command then it says restart ok i don't know where it is running

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  • Proftp error message Fatal: unknown configuration directive 'DisplayFirstChdir' on line 22 of '/etc/proftpd/proftpd.conf'

    - by LedZeppelin
    Sorry for the newb factor but I'm trying to set up a server using this guide: http://www.intac.net/build-your-own-server/ I'm at the end of step 5 and when I try to restart proftp I get the following error message me@me-desktop:~$ sudo service proftpd restart * Stopping ftp server proftpd [ OK ] * Starting ftp server proftpd Fatal: unknown configuration directive 'DisplayFirstChdir' on line 22 of '/etc/proftpd/proftpd.conf' [fail] Any clues on how to change line 22?

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  • The RPC services keeps stopping

    - by oshirowanen
    For some reason, the RPC service keeps stopping which prevents me from remoting into the server. When this happens I have to manually make my way to the server to restart it as simply starting the service (which does not complain when starting), does not let me remote into the server. I have to restart the server manually to be able to remove into the server again. It seems to be happening a few times a day. Does anyone know why this might be happening?

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  • How does the linux update manager work?

    - by Mr.Student
    I want to know how the update manager for linux works. For instance, how does my linux distro check to see if there are any available updates for download and which servers to download these updates? If I am dealing with 3rd party software not apart of the main distro, how do those programs interact with my update manager to notify me that those programs have available updates? Lastly what would be some good literature on the subject?

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  • Postfix SMTP auth not working with virtual mailboxes + SASL + Courier userdb

    - by Greg K
    So I've read a variety of tutorials and how-to's and I'm struggling to make sense of how to get SMTP auth working with virtual mailboxes in Postfix. I used this Ubuntu tutorial to get set up. I'm using Courier-IMAP and POP3 for reading mail which seems to be working without issue. However, the credentials used to read a mailbox are not working for SMTP. I can see from /var/log/auth.log that PAM is being used, does this require a UNIX user account to work? As I'm using virtual mailboxes to avoid creating user accounts. li305-246 saslauthd[22856]: DEBUG: auth_pam: pam_authenticate failed: Authentication failure li305-246 saslauthd[22856]: do_auth : auth failure: [user=fred] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error] /var/log/mail.log li305-246 postfix/smtpd[27091]: setting up TLS connection from mail-pb0-f43.google.com[209.85.160.43] li305-246 postfix/smtpd[27091]: Anonymous TLS connection established from mail-pb0-f43.google.com[209.85.160.43]: TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits) li305-246 postfix/smtpd[27091]: warning: SASL authentication failure: Password verification failed li305-246 postfix/smtpd[27091]: warning: mail-pb0-f43.google.com[209.85.160.43]: SASL PLAIN authentication failed: authentication failure I've created accounts in userdb as per this tutorial. Does Postfix also use authuserdb? What debug information is needed to help diagnose my issue? main.cf: # TLS parameters smtpd_tls_cert_file = /etc/ssl/certs/smtpd.crt smtpd_tls_key_file = /etc/ssl/private/smtpd.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 # SMTP parameters smtpd_sasl_local_domain = smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination smtp_tls_security_level = may smtpd_tls_security_level = may smtpd_tls_auth_only = no smtp_tls_note_starttls_offer = yes smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom /etc/postfix/sasl/smtpd.conf pwcheck_method: saslauthd mech_list: plain login /etc/default/saslauthd START=yes PWDIR="/var/spool/postfix/var/run/saslauthd" PARAMS="-m ${PWDIR}" PIDFILE="${PWDIR}/saslauthd.pid" DESC="SASL Authentication Daemon" NAME="saslauthd" MECHANISMS="pam" MECH_OPTIONS="" THREADS=5 OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd" /etc/courier/authdaemonrc authmodulelist="authuserdb" I've only modified one line in authdaemonrc and restarted the service as per this tutorial. I've added accounts to /etc/courier/userdb via userdb and userdbpw and run makeuserdb as per the tutorial. SOLVED Thanks to Jenny D for suggesting use of rimap to auth against localhost IMAP server (which reads userdb credentials). I updated /etc/default/saslauthd to start saslauthd correctly (this page was useful) MECHANISMS="rimap" MECH_OPTIONS="localhost" THREADS=0 OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd -r" After doing this I got the following error in /var/log/auth.log: li305-246 saslauthd[28093]: auth_rimap: unexpected response to auth request: * BYE [ALERT] Fatal error: Account's mailbox directory is not owned by the correct uid or gid: li305-246 saslauthd[28093]: do_auth : auth failure: [user=fred] [service=smtp] [realm=] [mech=rimap] [reason=[ALERT] Unexpected response from remote authentication server] This blog post detailed a solution by setting IMAP_MAILBOX_SANITY_CHECK=0 in /etc/courier/imapd. Then restart your courier and saslauthd daemons for config changes to take effect. sudo /etc/init.d/courier-imap restart sudo /etc/init.d/courier-authdaemon restart sudo /etc/init.d/saslauthd restart Watch /var/log/auth.log while trying to send email. Hopefully you're good!

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  • I can't log in to Nagios web interface

    - by M. Saâd
    When i try to login to Nagios in my web browser and after having repeatedly enter my login and password on my Nagios page http://127.0.0.1/nagios/, i get this : Authorization Required This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required. Apache/2.2.15 (Red Hat) Server at 127.0.0.1 Port 80 I changed the password : htpasswd -c /etc/nagios/htpasswd.users nagiosadmin And restart the server : service httpd restart But without result !

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  • Uninstall php and nginx or fix setup

    - by jreed121
    First off, I'm a huge linux noob - sorry... I'm trying to setup nginx with php-fpm on debian and I'm pretty sure that I've completely screwed it up. nginx seems to be running fine because I can it it from a web browser and it load the stock "Welcome to nginx!" page. I'm not so sure about php-fpm though. When I try something like # restart php-fpm I get: bash: restart: command not found First off php-fpm some how got installed as php5-fpm when I do root@server:/etc/init.d# ls, which seems to contradict every tutorial and help doc I've read (supposed to be 'php-fpm'). I can restart it with this: service php5-fpm restart And just enter the package name 'php5-fpm' I get this: root@server:~# php5-fpm [17-Nov-2012 23:15:36] NOTICE: PHP message: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/suhosin.so' - /usr/lib/php5/20100525/suhosin.so: cannot open shared object file: No such file or directory in Unknown on line 0 [17-Nov-2012 23:15:36] ERROR: An another FPM instance seems to already listen on /var/run/php5-fpm.sock [17-Nov-2012 23:15:36] ERROR: FPM initialization failed The root for nginx is /usr/share/nginx/html, when I try to navigate to a .php file in there with my web browser, it tries to download the file instead of interpret it. I would like this folder to be in my user's home directory ie: /home/administrator/www or /home/nginx/www. I know in order to do this I need to modify nginx.conf, but I find that configuration file difficult to understand. I suppose the fact that my .php scripts aren't being handled is my bigger problem anyways. When I try to see what running on port 9000 (php-fpm default port) with lsof -i :9000 it returns nothing - I guess indicating that it isn't listening. then I head over to vim /etc/php5/fpm/php-fpm.conf and there is no where to designate a port number. So should I just uninstall everything and start from scratch? If so, how do I clean it all up? Any suggestions for a tutorial once I'm ready to try again? Should I attempt to troubleshoot this mess? If so where should I start? Sorry guys, I'm feeling pretty stupid and lost right now. I'm not sure what my next steps are in trying to resolve this issue are. I realize that this is a horrible question for this type of Q&A site, but I'd really appreciate any guidance.

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  • php info not effect when edit value in php.ini on nginx webserver

    - by khoanhd
    I've already installed php, fcgi, nginx, the system running as no problem, but the problem happen when: I update memory_limit in php.ini, then restart php-cgi, nginx, but when use phpinfo, theo memory_limit is not effected. I install 2 new extensions: curl and memcache, add 2 lines: extension=curl.so and extension=memcache.so, restart php-cgi and nginx, phpinfo also not show up the value curl and memcache in phpinfo. So, how should i do?Please help me.

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  • I just restarted Apache and now the server is down

    - by James
    I am pretty terrified right now. I'm scared I'm going to get a call in a couple minutes from a hundred people saying the website doesn't work. I was at the terminal changing some configuration files when I went to restart the server to update the .conf files with this command: /etc/init.d/apache2 graceful After I ran that, none of the websites work and I have no idea what to do. There are about 100 errors I am getting according to the log files. They all begin with "PHP Notice" and most relate to "use of undefined constant" Also, I just spoke with a coworker, describing what I did, and he noticed that there are two installations of apache on the server and that I restarted the one that we don't use. This is what the error log says (assuming it's the correct error log): [Wed Jan 05 11:52:06 2011] [notice] Graceful restart requested, doing restart Warning: DocumentRoot [/u/apps/staging/antetr/current/public/] does not exist [Wed Jan 05 11:52:08 2011] [warn] NameVirtualHost *:80 has no VirtualHosts (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs FINAL UPDATE: Ok, I fixed it. The problem was (as you experts facepalming probably know) that it couldn't access an error log in the directory I was working in. I created an empty error log file and tried the restart command again and now all the sites are back up... Though my original problem is still there.. Thanks to all those who offered advice, it really helped and let me breathe for a moment.

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