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• Unity 3D (with Nvidia driver) becomes very slow and laggy

  - by Graham

  How can I prevent my Unity 3D desktop from becoming slow after a while, given that I have an Nvidia Quadro NVS 290 graphics in TwinView mode? The desktop starts out fast on login, but becomes slow / lagging / hesitant / high latency after a while, symptoms being spikes in CPU usage by /usr/bin/X whenever I cause any graphical activity with the mouse or keyboard (e.g. typing, changing tabs, dragging windows). The desktop remains slow even with all windows (except htop in Terminal) and extraneous processes killed. Detail: Changing tabs in Terminal takes about a second, and X spikes to 76% CPU. As I type into Firefox, X spikes to 95% CPU. Dragging Termiinal window, X goes to 70% CPU. Basically, every graphical action sends CPU usage of X through the roof. Device: Nvidia Quadro NVS 290 Driver package: binary driver nvidia-current-updates (280.13-0ubuntu5) Dual Monitors: Pair of DELL UltraSharp 1908FP in TwinView (X screen 2560x1024) OS: Fresh install of Ubuntu 11.10 amd64 Desktop with all updates. Hardware: Dell Precision T5400 Workstation Pastebin of Xorg.0.log Pastebin of xorg.conf Pastebin of nvidia-xconfig -t output (easier to read than xorg.conf) Output of /usr/lib/nux/unity_support_test -p: To obtain the following htop screenshow I typed "asdf" several times in in this text box, alt-tabbed to Terminal and took a screenshot of the high X CPU usage. This also happens when firefox is not running: Quadro NVS 290 has "No" thermal sensor according to sensors-detect: Next adapter: NVIDIA i2c adapter 0 at 2:00.0 (i2c-0) Do you want to scan it? (YES/no/selectively): Client found at address 0x50 Probing for `Analog Devices ADM1033'... No Probing for `Analog Devices ADM1034'... No P robing for `SPD EEPROM'... No Probing for `EDID EEPROM'... Yes (confidence 8, not a hardware monitoring chip) I tried the nouveau driver by disabling the nvidia-current-updates under Additional Drivers, but Ubuntu and xrandr -q fail to detect the second monitor. This may be issue 737349. Funniest thing is that Nouveau wiki says that XRandR 1.2 dual-monitor is supported so it should work with a second monitor.

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• Server vendor that allows 3rd party disks

  - by Alvin S

  As noted here, Dell is no longer allowing 3rd party disks to be used with their latest servers. As in, they don't work period. Which means that if you buy one of these boxes and want to upgrade the storage later, you have buy disks from Dell at significant premiums. Dell has just given me a very strong reason to take my server business elsewhere. My company buys (instead of leasing) our servers, and typically uses them for 5 years. I need to be able to upgrade/repurpose storage periodically, and do not want to be locked in to whatever Dell might have in stock, at inflated prices to boot. As you will see in the comments of the above link, it seems HP is doing the same thing. I am looking for a server vendor that offers 3-5 year warranty with same day/next day onsite service, and allows me to use 3rd party disks. Suggestions?

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• requests are taken to the wrong directory

  - by gidireich

  Hi, I use xampp on windows 7 64, to test locally my php web application I use virtual hosts to have access to my code from different domain names. Now, I created a new version of the code and want to access both versions using different domain names. I added a new virtual host newversion.mysite.local to httpd-vhosts.conf and directed it to the directory of the new version. Also updated the windows hosts file with the line 127.0.0.4 newversion.mysite.local A strange thing happens: when browsing to newversion.mysite.local I'm being taken to the old version, which is located at a different location. How the hell this happens? Please help me with ideas Thank you Gidi

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• Evil DRY

  - by StefanSteinegger

  DRY (Don't Repeat Yourself) is a basic software design and coding principle. But there is just no silver bullet. While DRY should increase maintainability by avoiding common design mistakes, it could lead to huge maintenance problems when misunderstood. The root of the problem is most probably that many developers believe that DRY means that any piece of code that is written more then once should be made reusable. But the principle is stated as "Every piece of knowledge must have a single, unambiguous, authoritative representation within a system." So the important thing here is "knowledge". Nobody ever said "every piece of code". I try to give some examples of misusing the DRY principle. Code Repetitions by Coincidence There is code that is repeated by pure coincidence. It is not the same code because it is based on the same piece of knowledge, it is just the same by coincidence. It's hard to give an example of such a case. Just think about some lines of code the developer thinks "I already wrote something similar". Then he takes the original code, puts it into a public method, even worse into a base class where none had been there before, puts some weird arguments and some if or switch statements into it to support all special cases and calls this "increasing maintainability based on the DRY principle". The resulting "reusable method" is usually something the developer not even can give a meaningful name, because its contents isn't anything specific, it is just a bunch of code. For the same reason, nobody will really understand this piece of code. Typically this method only makes sense to call after some other method had been called. All the symptoms of really bad design is evident. Fact is, writing this kind of "reusable methods" is worse then copy pasting! Believe me. What will happen when you change this weird piece of code? You can't say what'll happen, because you can't understand what the code is actually doing. So better don't touch it anymore. Maintainability just died. Of course this problem is with any badly designed code. But because the developer tried to make this method as reusable as possible, large parts of the system get dependent on it. Completely independent parts get tightly coupled by this common piece of code. Changing on the single common place will have effects anywhere in the system, a typical symptom of too tight coupling. Without trying to dogmatically (and wrongly) apply the DRY principle, you just had a system with a weak design. Now you get a system which just can't be maintained anymore. So what can you do against it? When making code reusable, always identify the generally reusable parts of it. Find the reason why the code is repeated, find the common "piece of knowledge". If you have to search too far, it's probably not really there. Explain it to a colleague, if you can't explain or the explanation is to complicated, it's probably not worth to reuse. If you identify the piece of knowledge, don't forget to carefully find the place where it should be implemented. Reusing code is never worth giving up a clean design. Methods always need to do something specific. If you can't give it a simple and explanatory name, you did probably something weird. If you can't find the common piece of knowledge, try to make the code simpler. For instance, if you have some complicated string or collection operations within this code, write some general-purpose operations into a helper class. If your code gets simple enough, its not so bad if it can't be reused. If you are not able to find anything simple and reasonable, copy paste it. Put a comment into the code to reference the other copies. You may find a solution later. Requirements Repetitions by Coincidence Let's assume that you need to implement complex tax calculations for many countries. It's possible that some countries have very similar tax rules. These rules are still completely independent from each other, since every country can change it of its own. (Assumed that this similarity is actually by coincidence and not by political membership. There might be basic rules applying to all European countries. etc.) Let's assume that there are similarities between an Asian country and an African country. Moving the common part to a central place will cause problems. What happens if one of the countries changes its rules? Or - more likely - what happens if users of one country complain about an error in the calculation? If there is shared code, it is very risky to change it, even for a bugfix. It is hard to find requirements to be repeated by coincidence. Then there is not much you can do against the repetition of the code. What you really should consider is to make coding of the rules as simple as possible. So this independent knowledge "Tax Rules in Timbuktu" or wherever should be as pure as possible, without much overhead and stuff that does not belong to it. So you can write every independent requirement short and clean. DRYing try-catch and using Blocks This is a technical issue. Blocks like try-catch or using (e.g. in C#) are very hard to DRY. Imagine a complex exception handling, including several catch blocks. When the contents of the try block as well as the contents of the individual catch block are trivial, but the whole structure is repeated on many places in the code, there is almost no reasonable way to DRY it. try { // trivial code here using (Thingy thing = new thingy) { //trivial, but always different line of code } } catch(FooException foo) { // trivial foo handling } catch (BarException bar) { // trivial bar handling } catch { // trivial common handling } finally { // trivial finally block } The key here is that every block is trivial, so there is nothing to just move into a separate method. The only part that differs from case to case is the line of code in the body of the using block (or any other block). The situation is especially interesting if the many occurrences of this structure are completely independent: they appear in classes with no common base class, they don't aggregate each other and so on. Let's assume that this is a common pattern in service methods within the whole system. Examples of Evil DRYing in this situation: Put a if or switch statement into the method to choose the line of code to execute. There are several reasons why this is not a good idea: The close coupling of the formerly independent implementation is the strongest. Also the readability of the code and the use of a parameter to control the logic. Put everything into a method which takes a delegate as argument to call. The caller just passes his "specific line of code" to this method. The code will be very unreadable. The same maintainability problems apply as for any "Code Repetition by Coincidence" situations. Enforce a base class to all the classes where this pattern appears and use the template method pattern. It's the same readability and maintainability problem as above, but additionally complex and tightly coupled because of the base class. I would call this "Inheritance by Coincidence" which will not lead to great software design. What can you do against it: Ideally, the individual line of code is a call to a class or interface, which could be made individual by inheritance. If this would be the case, it wouldn't be a problem at all. I assume that it is no such a trivial case. Consider to refactor the error concept to make error handling easier. The last but not worst option is to keep the replications. Some pattern of code must be maintained in consistency, there is nothing we can do against it. And no reason to make it unreadable. Conclusion The DRY-principle is an important and basic principle every software developer should master. The key is to identify the "pieces of knowledge". There is code which can't be reused easily because of technical reasons. This requires quite a bit flexibility and creativity to make code simple and maintainable. It's not the problem of the principle, it is the problem of blindly applying a principle without understanding the problem it should solve. The result is mostly much worse then ignoring the principle.

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• How do I make changes to /proc/acpi/wakeup permanent?

  - by Jolan

  I had a problem with my Ubuntu 12.04 waking up immediately after going into suspend. I solved the problem by changing the settings in /proc/acpi/wakeup, as suggested in this question: How do I prevent immediate wake up from suspend?. After changing the settings, the system goes flawlessly into suspend and stays suspended, but after I wake it back up, the settings in /proc/acpi/wakeup are different from what I set them to. Before going to suspend: cat /proc/acpi/wakeup Device S-state Status Sysfs node SMB0 S4 *disabled pci:0000:00:03.2 PBB0 S4 *disabled pci:0000:00:09.0 HDAC S4 *disabled pci:0000:00:08.0 XVR0 S4 *disabled pci:0000:00:0c.0 XVR1 S4 *disabled P0P5 S4 *disabled P0P6 S4 *disabled pci:0000:00:15.0 GLAN S4 *enabled pci:0000:03:00.0 P0P7 S4 *disabled pci:0000:00:16.0 P0P8 S4 *disabled P0P9 S4 *disabled USB0 S3 *disabled pci:0000:00:04.0 USB2 S3 *disabled pci:0000:00:04.1 US15 S3 *disabled pci:0000:00:06.0 US12 S3 *disabled pci:0000:00:06.1 PWRB S4 *enabled SLPB S4 *enabled I tell the system to suspend, and it works as it should. But later after waking it up, the settings are changed to either: USB0 S3 *disabled pci:0000:00:04.0 USB2 S3 *enabled pci:0000:00:04.1 US15 S3 *disabled pci:0000:00:06.0 US12 S3 *enabled pci:0000:00:06.1 or USB0 S3 *enabled pci:0000:00:04.0 USB2 S3 *enabled pci:0000:00:04.1 US15 S3 *enabled pci:0000:00:06.0 US12 S3 *enabled pci:0000:00:06.1 Any ideas? Thank you for your response. Unfortunately it did not solve my problem. all of /sys/bus/usb/devices/usb1/power/wakeup /sys/bus/usb/devices/usb2/power/wakeup /sys/bus/usb/devices/usb3/power/wakeup /sys/bus/usb/devices/usb4/power/wakeup as well as /sys/bus/usb/devices/3-1/power/wakeup are set to disabled, and the notebook still wakes up by itself right after going to sleep. The only thing it seems to react to are the settings in /proc/acpi/wakeup, which keep changing (resetting) every time i power off/restart my notebook.

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• Configuring TMUX's status bar

  - by wdkrnls

  I want my tmux session to show my current ip address in the right hand side of the status bar but I am having the hardest time figuring up the right syntax. The command works perfectly in the shell, but tmux won't parse it. set -g status-right '#[fg=white]#(host (hostname))' [Note: I am using the fish shell] I really want it to be: set -g status-right '#[fg=white]#(hostname)@#(host (hostname) | cut -d " " -f 4)' But since I can't get the former status bar to work, this is a lost cause. The weird thing is I got the first one to work once, but then I added the cut.

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• apache not displaying php pages, offering them for download instead.

  - by Peter NUnn

  Hi folks, we are trying to setup apache (apache 2 in this case, although apache does the same thing) and html pages display just fine, however, any php pages linked into buttons on the front page are offered for download rather than being displayed. Any ideas what we have missed? Its proving difficult to search on this in google as the terms are so heavily used elsewhere. I know this is a bit general, but we have tried adding types to the to the apache.conf (or httpd.conf for apache1) are having no joy at all. Thanks. Peter.

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• on coding style

  - by user12607414

  I vastly prefer coding to discussing coding style, just as I would prefer to write poetry instead of talking about how it should be written. Sometimes the topic cannot be put off, either because some individual coder is messing up a shared code base and needs to be corrected, or (worse) because some officious soul has decided, "what we really need around here are some strongly enforced style rules!" Neither is the case at the moment, and yet I will venture a post on the subject. The following are not rules, but suggested etiquette. The idea is to allow a coherent style of coding to flourish safely and sanely, as a humane, inductive, social process. Maxim M1: Observe, respect, and imitate the largest-scale precedents available. (Preserve styles of whitespace, capitalization, punctuation, abbreviation, name choice, code block size, factorization, type of comments, class organization, file naming, etc., etc., etc.) Maxim M2: Don't add weight to small-scale variations. (Realize that Maxim M1 has been broken many times, but don't take that as license to create further irregularities.) Maxim M3: Listen to and rely on your reviewers to help you perceive your own coding quirks. (When you review, help the coder do this.) Maxim M4: When you touch some code, try to leave it more readable than you found it. (When you review such changes, thank the coder for the cleanup. When you plan changes, plan for cleanups.) On the Hotspot project, which is almost 1.5 decades old, we have often practiced and benefited from such etiquette. The process is, and should be, inductive, not prescriptive. An ounce of neighborliness is better than a pound of police-work. Reality check: If you actually look at (or live in) the Hotspot code base, you will find we have accumulated many annoying irregularities in our source base. I suppose this is the normal condition of a lived-in space. Unless you want to spend all your time polishing and tidying, you can't live without some smudge and clutter, can you? Final digression: Grammars and dictionaries and other prescriptive rule books are sometimes useful, but we humans learn and maintain our language by example not grammar. The same applies to style rules. Actually, I think the process of maintaining a clean and pleasant working code base is an instance of a community maintaining its common linguistic identity. BTW, I've been reading and listening to John McWhorter lately with great pleasure. (If you end with a digression, is it a tail-digression?)

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• Xeon X5550 vs Six-core Opteron for database server

  - by gregmac

  I'm specing out a database server, and the price works out to be reasonably close between an Intel X5550 Quad-core and an AMD 2425HE (2.1Ghz) Six-core Opteron. I've been looking for some comparisons between the two, but the only thing useful I've found is an AnandTech Review of the 2435 which compares it to Intel Xeons, but concludes they both have their place. My load is MS SQL Server 2008, with an OLTP database that has about an equal amount of reading/writing (and it's a reasonably heavy load). So my question is, what is going to work better in this situation, assuming the drives are the same: Xeon X5550, with 16GB 1333Mhz RAM (Dell R510) or an Opteron 2425HE (2.1Ghz) or 2439SE (2.8Ghz) with 16GB of 800Mhz RAM? (Dell 2970) Note: the 2439 adds $500, but the overall pricing works out that it's not that much more than the R510. Using the 2425HE, the Dell 2970 server is slightly less than the similarly-equipped R510). If it adds a decent amount of performance, it's worthwhile to go faster. (single CPU, in both cases).

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• Set mouse or keyboard button to simulate left click and hold or rapid left click repeating in Windows?

  - by miahelf

  Does anyone know a way to configure Windows 7 or use third party software to do this? I would like to click my middle mouse button and have it tell Windows to left click and hold until I click the middle mouse button again. A keyboard key would be fine as well. Some games and apps have me holding down the left mouse button for a long time and I would like to reduce the stress on my mouse hand. Also, I would like to do a similar thing but have it repeatedly click the left mouse button automatically if possible. If none of that is possible, how about temporalily setting a keyboard key to achieve a left mouse button emulation?

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• my torrent speed is slower all of the sudden

  - by nazmi98

  Last year when I tried to download torrent the speed was around 120 kb/s, but now it's only 10 kbs/s. I'm really confused here. I have been trying everything that I could find on the internet but nothing seems to work, so I'm really desperate for help. One more thing: I don't know if this will help, but i'm from Malaysia. My internet speed is 1 mb. I tried using all the PCs that I own and all seems to produce the same result.

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• WebCenter Spaces 11g PS2 Task Flow Customization

  - by Javier Ductor

  Previously, I wrote about Spaces Template Customization. In order to adapt Spaces to customers prototype, it was necessary to change template and skin, as well as the members task flow. In this entry, I describe how to customize this task flow.Default members portlet:Prototype Members Portlet:First thing to do, I downloaded SpacesTaskflowCustomizationApplication with its guide.This application allows developers to modify task flows in Spaces, such as Announcements, Discussions, Events, Members, etc. Before starting, some configuration is needed in jDeveloper, like changing role to 'Customization Developer' mode, although it is explained in the application guide. It is important to know that the way task flows are modified is through libraries, and they cannot be updated directly in the source code like templates, you must use the Structure panel for this. Steps to customize Members portlet:1. There are two members views: showIconicView and showListView. By default it is set to Iconic view, but in my case I preferred the View list, so I updated in table-of-members-taskflow.xml this default value.2. Change the TableOfMembers-ListView.jspx file. By editing this file, you can control the way this task flow is displayed. So I customized this list view using the structure panel to get the desired look&feel.3. After changes are made, click save all, because every time a library changes an xml file is generated with all modifications listed, and they must be saved.4. Rebuild project and deploy application.5. Open WLST command window and import this customization to MDS repository with the 'import' command.Eventually, this was the result:Other task flows can be customized in a similar way.

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• GRUB2 prompt instead of BURG boot screen after mistake during BURG installation

  - by Tomas Lycken

  I just installed BURG, but during the installation I made a mistake: after the package was installed, I got to some command-line based GUI for configuration, where I forgot to mark my (only) hard disk as the boot device before I hit OK. I tried to reinstall (apt-get purge burg && apt-get autoremove followed by apt-get install burg) but I wasn't able to get to the same screen again (I didn't find the GUI). When I now start my computer, I am taken to a GRUB2 prompt and no BURG (or GRUB2) boot menu is shown. Since I don't know any GRUB commands and I am helpless. How do I reinstall GRUB/BURG correctly? Update: I rebooted my computer, and got a BURG prompt (which appears to be the same thing as a GRUB prompt, but if there's a difference I wouldn't know it...). I have booted from a Live USB, but I don't know what to do next. The text above has been updated to reflect this new situation - for the original text, please see the previous versions of this post. (No answers were posted when this was edited...)

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• At the Java DEMOgrounds - Oracle’s Java Embedded Suite 7.0

  - by Janice J. Heiss

  The Java Embedded Suite 7.0, a new, packaged offering that facilitates the creation of  applications across a wide range of  embedded systems including network appliances, healthcare devices, home gateways, and routers was demonstrated by Oleg Kostukovsky of  Oracle’s Java Embedded Global Business Unit. He presented a device-to-cloud application that relied upon a scan station connected to Java Demos throughout JavaOne. This application allows an NFC tag distributed on a handout given to attendees to be scanned to gather various kinds of data. “A raffle allows attendees to check in at six unique demos and qualify for a prize,” explained Kostukovsky. “At the same time, we are collecting data both from NFC tags and sensors. We have a sensor attached to the back of the skin page that collects temperature, humidity, light intensity, and motion data at each pod. So, all of this data is collected using an application running on a small device behind the scan station."“Analytics are performed on the network using Java Embedded Suite and technology from Oracle partners, SeeControl, Hitachi, and Globalscale,” Kostukovsky said. Next, he showed me a data visualization web site showing sensory, environmental, and scan data that is collected on the device and pushed into the cloud. The Oracle product that enabled all of this, Java Embedded Suite 7.0, was announced in late September. “You can see all kinds of data coming from the stations in real-time -- temperature, power consumption, light intensity and humidity,” explained Kostukovsky. “We can identify trends and look at sensory data and see all the trends of all the components. It uses a Java application written by a partner, SeeControl. So we are using a Java app server and web server and a database.” The Market for Java Embedded Suite 7.0 “It's mainly geared to mission-to-mission applications because the overall architecture applies across multiple industries – telematics, transportation, industrial automation, smart metering, etc. This architecture is one in which the network connects to sensory devices and then pre-analyzes the data from these devices, after which it pushes the data to the cloud for processing and visualization. So we are targeting all those industries with those combined solutions. There is a strong interest from Telcos, from carriers, who are now moving more and more to the space of providing full services for their interim applications. They are looking to deploy solutions that will provide a full service to those who are building M-to-M applications.”

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• Can't Install Windows 2008 R2 on Lenovo Laptop With SSD

  - by Ben

  I am trying to install Windows Server 2008 R2 on a new Lenovo X201 or T410 laptop. Setup halts with the following pop-up: A required CD/DVD device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now. Note: If the windows installation media is in the CD/DVD drive you can safely remove it for this step. The CD drive is obviously working, as it's booting from CD to get to this point. The only thing I can think is that it is to do with the fact they have SSD disks in - but that's just a guess.

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• Live CD with good anti-virus software to scan/repair Windows?

  - by overtherainbow

  Hello, I browsed through the archives, and it seems like there's no live CD from which to run a good, up-to-date anti-virus application, at least to check whether a Windows host has been compromised The Ultimate Boot CD has only three AV applications, and their virus definition is from... 2007 In a report, ClamAV scored very low. It's nice that it's open-source, but if it's not as good as commercial alternatives... Those of you into this kind of thing, do you confirm that there's just no good live CD to inspect Windows hosts, and possibly repair them? If there is, what do you recommend? Thank you.

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• VSDB to SSDT part 3 : command-line deployment with SqlPackage.exe, replacement for Vsdbcmd.exe

  - by Etienne Giust

  For our continuous integration needs, we use a powershell script to handle deployment. A simpler approach would be to have a deployment task embedded within the build process. See the solution provided here by Jakob Ehn (a most interesting read which also dives into the '”deploying from Visual Studio” specifics) : http://geekswithblogs.net/jakob/archive/2012/04/25/deploying-ssdt-projects-with-tfs-build.aspx   For our needs, though, clearly separating our build phase from our deployment phase is important. It allows us to instantly deploy old versions. Also it is more convenient for continuous integration. So we stick with the powershell script approach. With VSDB projects, that script used to call the following command (the vsdbcmd executable was locally available, along with needed libraries): vsdbcmd.exe /a:Deploy /dd /cs:<CONNECTIONSTRING TO TARGET DB> /dsp:SQL /manifest:< PATH TO .deploymanifest FILE>   To be able to do the approximately same thing with a SSDT produced file (dacpac), you would call this command on a machine which has VS2012 installed (or the SSDT installed, see here : http://msdn.microsoft.com/en-us/library/hh500335%28v=vs.103%29):   C:\Program Files (x86)\Microsoft SQL Server\110\DAC\bin\SqlPackage.exe /Action:Publish /SourceFile:<PATH TO Database.dacpac FILE> /Profile:<PATH TO .publish.xml FILE>   And from within a powershell script :   & "C:\Program Files (x86)\Microsoft SQL Server\110\DAC\bin\SqlPackage.exe" /Action:Publish /SourceFile:<PATH TO Database.dacpac FILE> /Profile:<PATH TO .publish.xml FILE>   The command will consume a publish.xml file where the connection string and the deployment options are specified. You must be familiar with it if you have done some deployments from visual studio. If not, please refer to the above mentioned article by Jakob Ehn.   It is also possible to pass those parameters in the command line. The complete SqlPackage.exe syntax is detailed here : http://msdn.microsoft.com/en-us/library/hh550080%28v=vs.103%29.aspx

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• NET START command not passing parameters in Windows Server 2008

  - by Amanbbk

  My application calls a Stored Procedure, through the stored procedure I am calling a Windows Service using the NET START command as follows: SELECT @Cmd = 'Net Start ServiceName /"' + @param1 + '" /"' + @param2 + '"' Now the parameters passed here are not reaching the OnStart method. These values are blank. Protected Overrides Sub OnStart(ByVal args() As String) Try service1= New Service service1.param2 = args(1) service1.param1 = args(0) Here I get args(0) as the name of service instead of the value that is passed, and args(1) is blank. Although the args.Getlength(0) returns 2. The service starts successfully, it invokes the executable, but the parameters are not there. What can be the reason? Administrative access might be required in NET START command? Has the syntax changed for NET START command in Windows Server 2008? Windows Services do not accept parameters in Windows Server 2008? The same thing is running fine on Windows Server 2003.

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• Can i enlarge os c drive of my windows 8?

  - by Sorgatz

  Last year I got a new Western Digital WD Blue 500GB HDD to replace my old drive. The first thing I did was to install latest Windows 8. While installing Windows 8 I created 3 partitions, C drive for the OS and others for storage. The OS partition is 120GB (which at the time I thought would be plenty big) but I'm now realizing its too small! I wonder if it's possible to re-size HDD partition without reformatting and re-install my Windows 8. So that is my question, Can i enlarge os c drive of my windows 8 without having to re-format? I've used the Norton Partition Magic and Disk Management to make this happen but there doesn't seem to be any options to make it happen. Thanks for any help you guys can give regarding my question. I've worked hard to optimize my current install of Windows 8 and would hate to start all over again.

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• How to control admission policy in vmware HA?

  - by John

  Simple question, I have 3 hosts running 4.1 Essentials Plus with vmware HA. I tried to create several virtual machines that filled 90% of each server's memory capacity. I know that vmware has really sophisticated memory management within virtual machines, but I do not understand how the vCenter can allow me even to power on the virtual machines that exceed the critical memory level, when the host failover can be still handled. Is it due to the fact that virtual machines does not use the memory, so that it is still considered as free, so virtual machines can be powered on ? But what would happen if all VMs would be really using the RAM before the host failure - they could not be migrated to other hosts after the failure. The default behaviour in XenServer is that, it automatically calculates the maximum memory level that can be used within the cluster so that the host failure is still protected. Vmware does the same thing ? The admission policy is enabled. Vmware HA enabled.

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• Exchange Disconnecting on EHLO with remote telnet

  - by Timothy Baldridge

  When I go to the local terminal on my Exchange box (SBS 2008) I can do this: telnet 127.0.0.1 25 220 Exchange banner here EHLO example.com 250 Server name However when I go from another box, or from the actual IP of the server I get this: telnet 192.168.21.20 25 220 Exchange banner here EHLO example.com 421 4.4.1 Connection timed out Connection to host lost. The odd thing is, this server is currently in production and working fine (receiving mail for our entire domain). But my C# programs can't send mail to it (they get this same error). Any ideas?

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• Where do deleted items go on the hard drive ?

  - by Jerry

  After reading the quote below on the Casey Anthony trial (CNN) ,I am curious about where deleted files actually go on a hard drive, how they can be seen after being deleted, and to what extent the data can be recovered (fully, partially, etc). "Earlier in the trial, experts testified that someone conducted the keyword searches on a desktop computer in the home Casey Anthony shared with her parents. The searches were found in a portion of the computer's hard drive that indicated they had been deleted, Detective Sandra Osborne of the Orange County Sheriff's Office testified Wednesday in Anthony's capital murder trial." I know some of the questions here on SO address third party software that can used for this kind of thing, but I'm more interested in how this data can be seen after deletion, where it resides on the hard drive, etc. I find the whole topic intriguing, so any additional insight is welcome.

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• Where do deleted items go on the hard drive?

  - by Jerry

  After reading the quote below on the Casey Anthony trial (CNN) ,I am curious about where deleted files actually go on a hard drive, how they can be seen after being deleted, and to what extent the data can be recovered (fully, partially, etc). "Earlier in the trial, experts testified that someone conducted the keyword searches on a desktop computer in the home Casey Anthony shared with her parents. The searches were found in a portion of the computer's hard drive that indicated they had been deleted, Detective Sandra Osborne of the Orange County Sheriff's Office testified Wednesday in Anthony's capital murder trial." I know some of the questions here on Super User address third party software that can used for this kind of thing, but I'm more interested in how this data can be seen after deletion, where it resides on the hard drive, etc. I find the whole topic intriguing, so any additional insight is welcome.

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• How to prevent any files from being copied onto the Desktop?

  - by Kaushik Gopal

  Gentlepeeps, Is there any solution to prevent copying of files onto the desktop? My folks and i currently have one super-common-comp in our place. And when all of the laptops are busy, we tend to do some quick surfing on this comp. I prefer to keep things freakishly organized in this comp and one thing i hate is having those off-shoot irritating forwarded downloads on my desktop. Is there some way to restrict files from being copied onto the desktop? I tried making the administrator user's desktop folder as read-only :P . That doesn't solve the problem. Any other ideas/software/solutions? cheers.

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• How to set up server/domain name correctly in hosts file with HTTPS

  - by Byakugan

  I am trying to do local network and I am using these kind of types of network. 1) Main server which connects to internet with static IP 2) Second computer connected to first one locally with address like 192.168.0.2 - when I write this address to address line it is like i wrote localhost in original main server - so it should show my local web browser etc ... It has domain name this IP and connected router for it ... example www.domain.com so I added to my main server hosts file (linux powered) lines like these: 192.168.0.2 domain.com www.domain.com It was working ok when I entered my domain name in local computer it showed my site ... But after some time I added HTTPS cerfiticate and added this line to my apatche server: Redirect permanent / https://www.domain.com/ And now it does not work even when i add something like this to my hosts file: 192.168.0.2 https://www.domain.com So any idea how do do this thing work? Thank you.

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