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  • Sony Vaio dead keyboard

    - by Filip Górny
    I have strange problem with my almost new laptop. Aftear I leave it turned on for some hours and back to use it, it was printing something like ^[[2~ on the screen and I cannot stop it. After rebooting it did not show any activity. After few hours I managed to turn it on by hiting random keys at keyboard. I starts that way but I have to use external keyboard to type anything. When I randomly stroke the keys when is turned on, it sometimes print that unrecognised characters. It works the same way at linux and windows (ubuntu, windows 7). What can be the reason it started to work so strange and is there anyway to fix it without sending it to warranty and waiting few weeks? :/ I dont remember to make it wet, but they may be something like cigaretes ashes in it, I could not remember...

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  • Firewall to block traffic to specific websites

    - by Ctroy
    I have recently switched from MAC to Windows Vista. I used to have LittleSnitch on Mac where I can create filters and disable browsing to other websites. I mean, I can create filters so that LittleSnitch will not send traffic to specific websites like Google Analytics etc. However, I cannot find a similar software on Windows. I tried Zone Alarm firewall, but it doesn't let you add filters to stop traffic to specific websites. Are there any software available on windows which are similar to LittleSnitch?

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  • Lync using SQL 2008 R2 SP1 - Publish Topology error

    - by EKS
    Error that shows in the web page opened by the Topology builder: Error: An error occurred: "Microsoft.Rtc.Common.Data.SqlConnectionException" "A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)" Looking in the log file: ( I assume this is the acutal error making it STOP) Installed SQL Server 2005 Backward Compatibility version is 8.05.1054 Error: SQL Server 2005 Backward Compatibility is not installed or its version is not high enough. SQL Server 2005 Backward Compatability SP2 or higher must be installed. I have installed SQLServer2005_BC_x64.msi from MS, and cant seem to find this SP2 version. SQL server is a 2008 R2 SP1. I have also tested with a 2008 SP3 SQL server same error. Named pippes output via ( OSQL /L) SQL-2008-1 SQL2

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  • emulate fake monitor on windows 7?

    - by Claudiu
    Is there any way to emulate a monitor on Windows 7? I have one physical monitor, and I want Windows to think I have two. I actually don't care whether the second monitor is visible anywhere, or if I can see it - everything rendered there may as well go to the equivalent of /dev/null - but I need Windows to think there is one there. The reason is that I want to run a virtual machine with two monitors with VirtualBox in seamless mode, and it doesn't let me go to seamless mode if there are more virtual monitors than physical ones. I don't need to see the second virtual monitor, but VirtualBox won't just stop displaying it like it did in earlier versions.

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  • Supervisor HTTP Server Port Issue.

    - by Catalina
    I have supervisor setup to manage a few processes. It works perfectly fine when I boot my server, however when I stop it and try to start it again it fails and give's me this error msg: * Starting Supervisor daemon manager... Error: Another program is already listening on a port that one of our HTTP servers is configured to use. Shut this program down first before starting supervisord. For help, use /usr/bin/supervisord -h ...fail! I'm running nginx on port 80 and 4 web servers on ports 8000, 8001, 8002, 8003 Does anyone have any idea of what is going on? When I reboot everything works fine.

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  • Touchpad stops working when plugging in new laptop PSU

    - by drahcir
    I recently bought a psu for my Compaq 6710b and when I plug it in to the laptop the touchpad seems to go stop working, especially when the laptop is charging. I checkout this site and it suggests that the problem might be static electricity building up due to poor earthing.I tried replacing the cable that leads from the psu to the wall socket with the one I had of my old psu but to no avail. I even tried to see if I put the psu farther away might reduce to interference but also resulted in failure. Any ideas on how I could solve this problem?

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  • Problem with OWA search. Mailstore catalogues

    - by Anthony
    Dear All, I have trawled for the last few days but have not been able to come up with a solution; any help would be much appreciated. Exchange 2007 STD on Windows 2003 64Bit and users report search not working in OWA. So I first check indexing is enabled on the mail stores Get-MailboxDatabase |ft Name,IndexEnabled which all report true, So I try a test Test-ExchangeSearch [email protected] Which is a false -1 Ok, So I run the reset - resetsearchindex.ps1 this works and the event log reports the stores being crawled and finished. BUT- My complete catalogue data is 300kb - LOL! I wish! Obviously all tests fail so I do it manually; Stop indexing service, Delete catalogues. Restart Still no dice, This is where I’m up to, I have tried many different variations of the above and being through oodles of MS documentation Has anyone got any ideas?

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  • Google Chrome auto-clicker extension?

    - by Joel Murphy
    I'm looking for an auto-clicker that will auto click page elements in Google Chrome. Standard auto-clickers work fine, but I'd like to continue working on my computer without having to keep Google Chrome open. Does anyone know of any extensions that offer this functionality? Anything that allows me to specify an element to be clicked on, or set screen co-ordinates within a webpage and will click away until I decide to stop the script would be perfect. I've tried looking at macro extensions, but they don't seem to offer the functionality I want. Can anybody suggest a particular extension? Thanks in advance.

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  • How to recreate Windows Live Mail filter rules in Thunderbird?

    - by FernandoSBS
    I have some filters in Windows Live Mail that I'm trying to port to thunderbird without success. It seems Thunderbird filter is very limited. Here is an ex of a filter i'm trying to recreate: Apply this rule after the message arrives Where the From line contains '[email protected]' or '[email protected]' or 'Programa TAM Fidelidade' and Where the message body contains 'esteja visualizando' and 'por ser cadastrado no Programa TAM Fidelidade' Move it to the Deleted items folder and Stop processing more rules In Thunderbird I can´t combine a list of "or"s with some "and"s, because it only allows you to select "message matches ALL of the criteria below" or "ANY of the below". Am I missing something or it really is very limited?

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  • How do I connect to the serial console port os a Sunfire 280R?

    - by DrStalker
    We have a Sunfire 280R (old SPARC/Solaris server) that is refusing to come up after being relocated. We're trying to connect to the serial console port, but all we get is random gibberish on the screen. We've tried both connecting with a DB25DB9 adapter and using a DB-25-RJ45 adapter with a cisco RJ45-DB9 adapter to a windows laptop. We're configuring the laptop to 9600 baud, 8 bit, 1 stop bit, no parity. We've tried both no flow control and Xon/Xoff. We get the same results hooking up to the serial port on a working SPARC server, so it's probably something in our setup rather than a fault with the server. How do we get access to to serial console so we can work out what is stopping this box from getting to the network? Is there a special sun adapter we need to get/make to get the serial link working?

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  • RTL8168B/8111B Lan card is not detected in Redhat..Error is make ***/lib/modules/2.6.18-53.e15/build

    - by Deepak Narwal
    0 Hello friends... In My computer Lan card model is Realtek RTL8168B/8111B PCI-E GIGABIT ETHERNET NIC (NDIS 6.20) My system is dual boot windows 7 and redhat 5.1.Redhat is not picking up this model of Lan card automaticlly. I tried it by downloading from realtak site for this particular model and find some .tar packages for my kernal and when i tried to install them ... check old drivers & unload it build the module and install make */lib/modules/2.6.18-53.e15/build: no such file or directory stop make[1]: *[modules] error 2 make : [modules] error 2 i downloaded tar files from sites and unpack according to their instrution i tried to run autorun.sh script as mentioned in readme file but after doing this it is showing above error... Now what to do i am not getting

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  • Tomcat memory usage grows until crash with no GC run

    - by Phil
    I'm administrating a server running Tomcat that is getting a lot of traffic lately. If I monitor memory usage in Task Manager I can see the memory usage growing and eventually tomcat crashes around the 1GB mark. Here's the memory relevent bits I've set in Tomcat Properties (this is a Windows Server): Intial memory pool: 1024 MB Maximum memory pool: 1024 MB -XX:MaxPermSize=256M The weird thing is since these problems arose I've deployed Lambda Probe to the Tomcat instance and the memory usage values I see there are much lower, for example Task Manager might show 467MB used while the "Total" used in Probe is 212 MB. Also, the Maximum Total listed in Probe is 1.29GB, when I would have expected 1GB, the maximum memory set above. If I force the garbage collector to run using Probe, I can keep Tomcat from crashing for a while (indefinitely, AFAIK). So why doesn't the GC run automatically and stop Tomcat from crashing? Thanks.

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  • Where is the Plesk Error Log / Or how can I get Plesk running again?

    - by Josh Pennington
    I currently have a VPS that is running Plesk and for some unknown reason it will not start. All the more information it gives me about it not starting is the following: Operation start with the VPS(s) VEID54635644 service "psa" is finished with errors: #703 Can not start/stop/restart service: service "psa" status is not "running" after command "start". This does really mean anything to me. Currently my server provider does not seem interested in helping me get Plesk running again so I am hoping I can get this going again on my own. I am assuming that there has to be an error log SOMEWHERE for Plesk, but the only thing I can find is located at /usr/local/psa/admin/logs/httpds_access_log and that just looks like an access log, not an error log (it is the only file in the directory). Is there another log somewhere in the system for this that I do not know about? Is there a way to find out why Plesk did not start? Thanks Josh Pennington

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  • Can't communicate using PuTTY, but can with Termite

    - by SharpHawk
    I'm trying to establish a serial connection to a peripheral from my PC's RS-232 port. Pretty simple stuff, and I've had not trouble doing it with countless peripherals before. And yet when I configure PuTTY to the right baud rate, stop bits, etc. I'll type in "*IDN?", press enter, and the unit won't reply. After going over my settings over and over again, I decided to try another terminal program, Termite. This time it worked like a charm. What puzzles me, and what I'm trying to figure out by posting this question, is why Termite would work when PuTTY did not despite the fact that they both have the same settings. PuTTY: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Termite: http://www.compuphase.com/software_termite.htm EDIT: I now tried Tera Term as well, and it works. So PuTTY is the odd one out.

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  • amazon aws, rds

    - by b0x0rz
    just need a quick info on two questions but very related. 1 if we use rds on amazon aws, what happens if some of the machines rds is running on crash? i mean what happens with the data? is it gone? 2 if we use rds on amazon aws via beanstalk, and decide to stop them is the database gone, i mean data, is it gone? thnx a lot, simple yes/no will do, but if you can give more info or a solution to mitigate these issues if any of the answers is unfavorable, that would be great.

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  • Make errors when compiling HPL-2.1 on MOSIX-clustered Debian server

    - by tlake
    I'm trying to compile HPL 2.1 on a MOSIX-clustered Debian server, but the make process terminates with errors as seen below. Included are my makefile and two versions of output: one from a standard execution, and one from an execution run with the debug flag. Any help and guidance would be very much appreciated! The makefile: # ---------------------------------------------------------------------- # - shell -------------------------------------------------------------- # ---------------------------------------------------------------------- # SHELL = /bin/bash # CD = cd CP = cp LN_S = ln -s MKDIR = mkdir RM = /bin/rm -f TOUCH = touch # # ---------------------------------------------------------------------- # - Platform identifier ------------------------------------------------ # ---------------------------------------------------------------------- # ARCH = Linux_PII_CBLAS # # ---------------------------------------------------------------------- # - HPL Directory Structure / HPL library ------------------------------ # ---------------------------------------------------------------------- # TOPdir = $(HOME)/hpl-2.1 INCdir = $(TOPdir)/include BINdir = $(TOPdir)/bin/$(ARCH) LIBdir = $(TOPdir)/lib/$(ARCH) # HPLlib = $(LIBdir)/libhpl.a # # ---------------------------------------------------------------------- # - Message Passing library (MPI) -------------------------------------- # ---------------------------------------------------------------------- # MPinc tells the C compiler where to find the Message Passing library # header files, MPlib is defined to be the name of the library to be # used. The variable MPdir is only used for defining MPinc and MPlib. # MPdir = /usr/local MPinc = -I$(MPdir)/include MPlib = $(MPdir)/lib/libmpi.so # # ---------------------------------------------------------------------- # - Linear Algebra library (BLAS or VSIPL) ----------------------------- # ---------------------------------------------------------------------- # LAinc tells the C compiler where to find the Linear Algebra library # header files, LAlib is defined to be the name of the library to be # used. The variable LAdir is only used for defining LAinc and LAlib. # LAdir = $(HOME)/CBLAS/lib LAinc = LAlib = $(LAdir)/cblas_LINUX.a # # ---------------------------------------------------------------------- # - F77 / C interface -------------------------------------------------- # ---------------------------------------------------------------------- # You can skip this section if and only if you are not planning to use # a BLAS library featuring a Fortran 77 interface. Otherwise, it is # necessary to fill out the F2CDEFS variable with the appropriate # options. **One and only one** option should be chosen in **each** of # the 3 following categories: # # 1) name space (How C calls a Fortran 77 routine) # # -DAdd_ : all lower case and a suffixed underscore (Suns, # Intel, ...), [default] # -DNoChange : all lower case (IBM RS6000), # -DUpCase : all upper case (Cray), # -DAdd__ : the FORTRAN compiler in use is f2c. # # 2) C and Fortran 77 integer mapping # # -DF77_INTEGER=int : Fortran 77 INTEGER is a C int, [default] # -DF77_INTEGER=long : Fortran 77 INTEGER is a C long, # -DF77_INTEGER=short : Fortran 77 INTEGER is a C short. # # 3) Fortran 77 string handling # # -DStringSunStyle : The string address is passed at the string loca- # tion on the stack, and the string length is then # passed as an F77_INTEGER after all explicit # stack arguments, [default] # -DStringStructPtr : The address of a structure is passed by a # Fortran 77 string, and the structure is of the # form: struct {char *cp; F77_INTEGER len;}, # -DStringStructVal : A structure is passed by value for each Fortran # 77 string, and the structure is of the form: # struct {char *cp; F77_INTEGER len;}, # -DStringCrayStyle : Special option for Cray machines, which uses # Cray fcd (fortran character descriptor) for # interoperation. # F2CDEFS = # # ---------------------------------------------------------------------- # - HPL includes / libraries / specifics ------------------------------- # ---------------------------------------------------------------------- # HPL_INCLUDES = -I$(INCdir) -I$(INCdir)/$(ARCH) $(LAinc) $(MPinc) HPL_LIBS = $(HPLlib) $(LAlib) $(MPlib) # # - Compile time options ----------------------------------------------- # # -DHPL_COPY_L force the copy of the panel L before bcast; # -DHPL_CALL_CBLAS call the cblas interface; # -DHPL_CALL_VSIPL call the vsip library; # -DHPL_DETAILED_TIMING enable detailed timers; # # By default HPL will: # *) not copy L before broadcast, # *) call the BLAS Fortran 77 interface, # *) not display detailed timing information. # HPL_OPTS = -DHPL_CALL_CBLAS # # ---------------------------------------------------------------------- # HPL_DEFS = $(F2CDEFS) $(HPL_OPTS) $(HPL_INCLUDES) # # ---------------------------------------------------------------------- # - Compilers / linkers - Optimization flags --------------------------- # ---------------------------------------------------------------------- # CC = /usr/bin/gcc CCNOOPT = $(HPL_DEFS) CCFLAGS = $(HPL_DEFS) -fomit-frame-pointer -O3 -funroll-loops # # On some platforms, it is necessary to use the Fortran linker to find # the Fortran internals used in the BLAS library. # LINKER = ~/BLAS LINKFLAGS = $(CCFLAGS) # ARCHIVER = ar ARFLAGS = r RANLIB = echo # # ---------------------------------------------------------------------- Make output: ~/BLAS -DHPL_CALL_CBLAS -I/homes/laket/hpl-2.1/include -I/homes/laket/hpl-2.1/include/Linux_PII_CBLAS -I/usr/local/include -fomit-frame-pointer -O3 -funroll-loops -o /homes/laket/hpl-2.1/bin/Linux_PII_CBLAS/xhpl HPL_pddriver.o HPL_pdinfo.o HPL_pdtest.o /homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a /homes/laket/CBLAS/lib/cblas_LINUX.a /usr/local/lib/libmpi.so /bin/bash: /homes/laket/BLAS: Is a directory make[2]: *** [dexe.grd] Error 126 make[2]: Target `all' not remade because of errors. make[2]: Leaving directory `/homes/laket/hpl-2.1/testing/ptest/Linux_PII_CBLAS' make[1]: *** [build_tst] Error 2 make[1]: Leaving directory `/homes/laket/hpl-2.1' make: *** [build] Error 2 make: Target `all' not remade because of errors. Make -d output: Considering target file `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a'. Looking for an implicit rule for `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a'. Trying pattern rule with stem `libhpl.a'. Trying implicit prerequisite `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a,v'. Trying pattern rule with stem `libhpl.a'. Trying implicit prerequisite `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/RCS/libhpl.a,v'. Trying pattern rule with stem `libhpl.a'. Trying implicit prerequisite `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/RCS/libhpl.a'. Trying pattern rule with stem `libhpl.a'. Trying implicit prerequisite `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/s.libhpl.a'. Trying pattern rule with stem `libhpl.a'. Trying implicit prerequisite `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/SCCS/s.libhpl.a'. No implicit rule found for `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a'. Finished prerequisites of target file `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a'. No need to remake target `/homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a'. Finished prerequisites of target file `dexe.grd'. Must remake target `dexe.grd'. ~/BLAS -DHPL_CALL_CBLAS -I/homes/laket/hpl-2.1/include -I/homes/laket/hpl-2.1/include/Linux_PII_CBLAS -I/usr/local/include -fomit-frame-pointer -O3 -funroll-loops -o /homes/laket/hpl-2.1/bin/Linux_PII_CBLAS/xhpl HPL_pddriver.o HPL_pdinfo.o HPL_pdtest.o /homes/laket/hpl-2.1/lib/Linux_PII_CBLAS/libhpl.a /homes/laket/CBLAS/lib/cblas_LINUX.a /usr/local/lib/libmpi.so Putting child 0x0129a2c0 (dexe.grd) PID 24853 on the chain. Live child 0x0129a2c0 (dexe.grd) PID 24853 /bin/bash: /homes/laket/BLAS: Is a directory make[2]: Reaping losing child 0x0129a2c0 PID 24853 *** [dexe.grd] Error 126 Removing child 0x0129a2c0 PID 24853 from chain. Failed to remake target file `dexe.grd'. Finished prerequisites of target file `dexe'. Giving up on target file `dexe'. Finished prerequisites of target file `all'. Giving up on target file `all'. make[2]: Target `all' not remade because of errors. make[2]: Leaving directory `/homes/laket/hpl-2.1/testing/ptest/Linux_PII_CBLAS' Reaping losing child 0x010ce900 PID 24841 make[1]: *** [build_tst] Error 2 Removing child 0x010ce900 PID 24841 from chain. Failed to remake target file `build_tst'. make[1]: Leaving directory `/homes/laket/hpl-2.1' Reaping losing child 0x00d91ae0 PID 24774 make: *** [build] Error 2 Removing child 0x00d91ae0 PID 24774 from chain. Failed to remake target file `build'. Finished prerequisites of target file `install'. make: Target `all' not remade because of errors. Giving up on target file `install'. Finished prerequisites of target file `all'. Giving up on target file `all'. Thanks!

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  • Limiting use of filesharing services

    - by EpsilonVector
    I live in an apartment with 3 other roommates, and we share the internet connection though a wireless router (Level One WBR-3406TX). One of the roommates is always running utorrent, and it is slowing down everybody's connection way too much. Unfortunately, he feels like he shouldn't have to give up on downloading stuff, and is refusing to stop hogging the bandwidth. I was wondering if there's something I can do to the router configuration that would disrupt his use of utorrent just enough to to make the internet usable for the rest of us, and still have it work well enough for him so that he doesn't start poking around looking for answers.

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  • What's the best way to clean up after a fork bomb?

    - by raldi
    $ ls bash: no more processes Uh oh. Looks like someone made a fork bomb. Where I used to work, this pretty much meant that the shared server would need to be power-cycled, since even the sysadmins with root often couldn't get the problem cleaned up. Often, they couldn't even get a prompt. I've heard a few tricks (notably, to send STOP signals rather than KILL signals, since the latter would allow the remaining threads to immediately replace the killed ones), but I've never seen a comprehensive guide entitled So, You Have Yourself a Fork Bomb? Let's make one.

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  • Mac internet problems

    - by Bradley Herman
    Our office is set up with mostly macs (7 of them) but we do have a windows laptop and a windows desktop on the network as well. The network is configured with a modem going into a switch/router throughout the office to the computers, along with a wireless router. Everything runs fine most of the time, but periodically while using the web, certain sites will stop loading and timeout repeatedly. This usually lasts 20 minutes or so and can be incredibly annoying. Resetting the modem/router and/or rebooting the computer never helps. The weirdest part is that in almost every case, the websites are fine on our Windows machines. I frequently use github, google, Stack Overflow, and jQuery reference and I can count on the sites being unavailable to me at least once a day. While I can't get them to load, I can spin my chair around to the windows server behind me and load the sites just fine. Any idea what the hell could be going on here?

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  • How to force laptop mode on/off

    - by Vi
    root@vi-notebook:/home/vi# laptop_mode start force Laptop mode enabled, not active How to start laptop mode? It starts successfully when AC adapter is removed, but not by explicit command. The system is GNU/Linux Debian i386 squeeze (not up to date), 2.6.30-zen2-31270-gc7099db-dirty, Acer Extensa 5220. Update: Changed to ENABLE_LAPTOP_MODE_ON_AC=1 in /etc/laptop_mode/laptop-mode.conf, now it is turned on always. But I can't turn it off with laptop_mode stop force, it stays turned on anyway. How do I turn it off again?

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  • How to get a service to listen on port 80 on Windows Server 2003

    - by Miky D
    I've coded a custom windows service that listens on TCP port 80 but when I try to install it on a Windows Server 2003 machine it fails to start because some other service is already listening on that port. So far I've disabled the IIS Admin service and the HTTP SSL service but no luck. When I run netstat -a -n -o | findstr 0.0:80 it gives me the process id 4 as the culprit, but when I look at the running processes that process id points to the "System" process. What can I do to get the System process to stop listening on port 80 and get my service to listen instead? P.S. I should point out that the service runs fine if I install it on my Windows XP or Windows 7 development boxes. Also, I should specify that this has nothing to do with it being a service. I've tried starting a regular application that attempts to bind to port 80 on the Windows Server 2003 with the same outcome - it fails because another application is already bound to that port.

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  • Change location of RSS Dynamic Desktops

    - by Andy
    I'm currently using CCleaner to take care of my computer, but I also have a dynamic desktop background provided by Bing (I'm running Windows 7 HP) - and unfortunately the two conflict. Whenever I 'clean' my computer using CCleaner it messes up my destop backgrounds as they are stored in the temporary internet files directory, and for some reason I don't appear to be able to get as far as the 'Enclosures' sub directory in order to tell CCleaner to exclude the directory (I can see it in Windows Explorer but not in CCleaner's directory browser). Therefore, I am looking for an alternative solution to this problem and wondered if I could change the directory to which the images were downloaded on the RSS feed. If anybody knows how to do this, I would be grateful if you could share or indeed, I would be equally as greatful if anyone knows any other ways of getting around CCleaner. Please note that I don't want to stop cleaning the whole of my temporary internet files though - I just don't want the wallpapers that have been downloaded to be deleted... Thanks in advance!

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  • Trusted Root certificates regularly disappear on Windows 7

    - by Evgeny
    I've installed several self-signed certificates on my Windows 7 Ultimate x64 machine for development purposes. One was installed into Trusted Root CAs and 2 were installed into My Certificates and Trusted People. Every day or two the certificate installed into Trusted Root CAs disappears and I have to re-install it! This is annoying the hell out of me. Why is it happening and how do I stop it? The other certificates (installed into other stores) do not disappear. My first thought was some kind of Group Policy, but my machine is not part of a domain - though it does obtains its IP address from a corporate DHCP server, so I'm not sure if they can somehow still manage to apply Group Policy to me.

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  • Ubuntu Kernel Panic on Inserting Network Cable

    - by Skizz
    I've been having a recurring kernel panic with my Ubuntu 9.04 installation (see other posts by me). Today, I was fiddling around trying to get some cable attached when the system panicked. Looking at the layout, the only cable in the vicinity was the network cable. Upon further investigation, it seems that the system reliably panics whenever I insert a network cable. Removing the cable does not cause the panic. How do I stop the system panicking when I insert the network cable? If more information is needed, please add comments/answers and I'll post the required data.

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  • Caching DNS server (bind9.2) CPU usage is so so so high.

    - by Gk
    Hi, I have a caching-only dns server which get ~3k queries per second. Here is specs: Xeon dual-core 2,8GHz 4GB of RAM Centos 5x (kernel 2.6.18-164.15.1.el5PAE) bind 9.4.2 rndc status: recursive clients: 666/4900/5000 About 300 new queries (not in cache) per second. Bind always uses 100% on one core on single-thread config. After I recompiled it to multi-thread, it uses nearly 200% on two core :( No iowait, only sys and user. I searched around but didn't see any info about how bind use CPU. Why does it become bottleneck? One more thing, here is RAM usage: cat /proc/meminfo MemTotal: 4147876 kB MemFree: 1863972 kB Buffers: 143632 kB Cached: 372792 kB SwapCached: 0 kB Active: 1916804 kB Inactive: 276056 kB I've set max-cache-size to 0 to make sure bind can use as much RAM as it want, but it always stop at ~2GB. Since every second we got not cached queries so theoretically RAM must be exhausted but it wasn't. Do you have any idea? TIA, -Gk

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