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• Installing my own XP VHD into Win 7.

  - by malcolms

  Hi, I am follwing instructions on this site to install my own XP VHD into Win 7 virtual PC (XP mode) http://www.windows7hacker.com/index.php/2009/09/how-to-make-your-own-vhd-to-xp-mode-or-even-vista-mode-ready/ Problem is when I click on install Integration Components on the Tools menu the setup does not start. And I do not understand this message that comes up because I can't start VM at this point at all. It says "If setup does not run automatically, open the CD-rom drive inside the virtual machine and run setup" So what does the mean when i cant run the VM?? Malcolm

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• How do I properly dual boot Ubuntu and Windows 7 on an UEFI system?

  - by S. Robert James

  I have an HP Z210 with Windows 7, which is UEFI based. I'd like to dual boot it to Ubuntu 11.10 with GRUB2, but am having problems due to the UEFI. The install CD goes to the end, but then the machine always boots right into Windows. These problems are apparently documented (here and here), but there's no consensus as to what the simplest solution is. Any recommendations? I want Ubuntu and Windows to both be bootable. (Perhaps if I knew more about UEFI and its system partition, and how it differs from BIOS and MBR, I'd be in a better position. So background answers explaining how UEFI loads up are very appreciated.)

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• Tracking down memory issues affecting a website

  - by gaoshan88

  I've got a website (Wordpress based) that became unresponsive. I SSH'd into the server and saw that we were out of memory. Errors in my apache log files indicated the same... things failing to be allocated due to lack of memory). Restarting the server fixes it. So I look in access.log and error.log around the time of the incident but I see nothing strange. No extra traffic, no unusual requests. In fact the only request around the time of the problem was one from Googlebot for an rss feed... at that point I start to see 500 response codes in the logs until the machine was rebooted. I look in message.log hoping to see something but there is nothing at all for that entire day (which is odd as there are entries for every other day). The site has a large amount of memory allocated to it and normally runs using about 30% of what is available. My question... how would you go about trying to track this down at this point? What are some other log files I could check or strategies I could take?

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• Keepalived with apache unable to bind interface on Backup server

  - by davideagle

  I have two debian 6 servers running keepalived 1.1.20 with one server acting as a Master and the other as a Backup. Both servers host apache 2.4 that have a global Listener on all interfaces on port 80 (Listen *:80) how ever I have some sites that require a listener for port 443 (SSL) and that is configured for each VirtualHost in the Apache config since I do not want every VirtualHost to listen on port 443. The problem is when I try to start Apache on the Backup machine that does not hold the virtual interface the VirtualHost is supposed to be listening on, I get AH00072: make_sock: could not bind to address 1.1.1.1:443. I know this is expected behavior of Apache. The real question is are there any known workarounds or solutions to this scenario?

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• Why does a Remote Desktop Redirected Printer Doc appear every time I connect to Windows Server 2003 SBS?

  - by Jim Dagg

  I've run into a weird, persistent issue regarding a remote desktop connection. Every time I successfully log into a server running Windows Server 2003 SBS, without taking any further action, after a few seconds a print job spontaneously appears on my machine, titled "Remote Desktop Redirected Printer Doc". The document is 4K, datatype RAW, processor "WinPrint". I've heard of people running into this issue before, but can't seem to hunt down a coherent solution. It's a minor annoyance, but I get annoyed when Windows complains about a print job that, as far as I know, came from nowhere. Any thoughts on why this would occur and how I could prevent it from happening?

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• How to synchronize users, passwords, hosts, etc without NIS

  - by joshxdr

  I am administering a very small solaris 2.6 network with 4 boxes total. Is it possible to use scp or similar to replace NIS for synchronizing users, groups, hosts, etc? This network is only a small part of my job and I don't want to spend too much time on it, and I am worried the setup and maintenence of NIS will not pay off. I need it to behave like a proper multi-user system, when a user logs into any machine, the users, passwords, hosts, etc. are always the same. Is there an easy way to do this with scp? Right now I copy /etc/passwd from one box to another with scp, but sometimes I make mistakes or forget a step, and scp inside of shell scripts don't seem to works so well since they require password authentication. Any recommendations would be welcome.

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• Poor quality when trying to stream a 720p video to XBox 360 using Media Center Extender

  - by MBraedley

  I have my XBox 360 set up as a Media Center Extender for my Windows 7 desktop. SD quality avi videos stream fine to my XBox, either though the video library or through Media Center Extender, but when I try a 720p mkv file, the frame rate plummets and the A/V sync is completely lost. I don't want to transcode or switch container formats (mkv isn't supported by the 360), but still want to stream. Both my desktop and 360 are plugged into the same gigabit switch, which is plugged into my ISP supplied modem/router. The video plays fine on my machine in a number of programs. Considering that I should have more than enough bandwidth to accommodate this video, why won't it play back properly?

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• How to resize root LVM partition in Fedora without LiveCD or Rebooting

  - by Cerin

  I have a virtual machine that recently had its disk image increased from 20GB to 50GB, and fdisk -l verifies that the VM can see this new size. Now I need to resize my root LVM partition to fill the extra 30GB. I've found several articles about resizing LVM, but the few that cover resizing the root partition all claim you need to boot from a LiveCD. Is there any way to do this without taking down the server? The server is critical, so I'd like to minimize downtime.

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• Possible to use DRBD on two ESXi virtualized servers?

  - by chen

  I have two servers (attached disks have been set up as hardware RAID1 for disk device level failure resilience). Here is the setup in my mind: 1) Install ESXi on each of the physical server, M1, M2; 2) Start one VM on each of the ESXi virtualized physical server V1, V2; 3) Install the DRDB drivers within V1 and V2. Essentially, this is a "virtualizing machine running DRBD in the VM's instead of bare metal hardware" idea. My question is whether the above setup can achieve the same "networked RAID1" goal that DRDB can achieve in the bare-metal physical machines (http://www.drbd.org/). Thanks. [EDIT] I found this (http://serverfault.com/questions/49305/drbd-experimentation-and-virtualization) is a similar question, but the answer does not seem to be firmative enough for me to follow.

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• Correct architecture for running and stopping complex tasks in the background

  - by Phonon

  I'm having trouble working out the correct architecture for the following task. I have a GUI in Windows Forms that contains a ListBox, listing certain architectural layouts. One an item in this list is selected, a custom Control displays an interactive visualization of the selected layout. Drawing of this interactive diagram is a CPU-intensive task, and can take up to a second on my machine. The kind of functionality I'm trying to achieve is that if a user wants to quickly scroll through the layouts in the ListBox (say, holding down the down arrow key), I don't want my computer to sit there thinking about how to draw the layout before it allows the user to do anything else. The obvious answer is, of course, to run the layout calculations in a separate thread. But how do I make that thread return a whole control? How do I make sure I'm not running two layout calculations at once? I'm fairly new to this complex GUI business. So the real question is what is the right architecture to implement something like this? This seems like something people do all the time, but finding any suggestions on how to do it properly is really difficult.

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• Own hosting, own domain on Virtualbox Ubuntu server - dynamic IP

  - by Pawel

  Hi, I have bought my TLD domain, say domain.com. What I'd like to do is to host the website available under this address on my own computer. I'm assigned a dynamic IP, and I'm also behind a router in my local network. I'd run sites on my ubuntu server on a virtualbox machine which is available in my local network. Preferably, I'd like to have my own domain on some server, with which I could experiment as much as I need (so it's only for educational purposes), but I can't afford to buy such a service. Is it feasible? Can you provide steps I'd need to take to configure it (could be just general explanation). I'd need some guidance, please.

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• Problem identifying which page/page/function locks whole IIS server

  - by fnovak

  Hello, I have problem identifying which page/page/function locks whole IIS server. Out of the blue whole w3wp.exe jumps to CPU 90-98% usage. I have created 3 different application pools to see which w3wp.exe service locks the processor but I am unable to find out this information. I can only see that 2 of 3 services have 0-5% usage and one is jumping around 90-98% after some while. I think some process/function/redirect/sql is doing this but I would like to eliminate it. So far I am not even able to find the source of the problem. On my local development machine with VS2010 everything works like charm and I am unable to replicate problem. The server is windows 2k3 web server, sql server 2k5 and .net 4.0 Thank you for your help, links or any information on this issue. Fero

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• tunneling x11vnc through ssh on a non standard port to ubuntu computer tightvnc

  - by user72372

  I have been stuck with setting up my virtual desktop on my ubuntu laptop. I am running ubuntu to ubuntu with x11vnc I start the process on my laptop as follows: " ssh -L5904:localhost:5900 -p Port remoteuser@remoteip." That command works, then I start x11vnc server, "x11vnc -noncache -once -shared -rfbauth ~/.vnc/passwd." This command works and starts connection. Then I open another window on my laptop and type, export VNC_VIA_CMD='/usr/bin/ssh -2 -c aes128-cbc -x -p Port -l User -f -: %L:%H:%R %G sleep 20' (not sure if works). then I type, vncviewer -endcodings Tight -depth 8 -quality 1 -via IPofremotemachine -u remoteuser localhost:01. The first time it work but from now on it just gives me the vncviewer -help screen everytime. I type in the password for my remote machine and then shows -help screen for vncviewer. I think the problem is with Tightvnc viewer but don't know what. Please help. I got some info on www.vanemery.com/Linux/VNC/vnc-over-ssh.html?.

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• Force logoff of idle users on Windows 7 workstation with fast user switching enabled

  - by newmanth

  We have mission-critical Windows 7 workstations on our network that must be available to any user at any time, even when it has been locked by a prior user. Thus, we have fast user switching enabled. Unfortunately, it's not unusual for us to have a dozen or more different users logged onto the same machine at the same time, with a corresponding degradation in service. We've done our best at educating the masses to log off at the end of their shift. But users being users, this does not happen on a consistent basis. Does anyone know of a clean way to force logoff idle users after a certain amount of time has elapsed? I am open to any method that could be deployed/configured via script, GPO, or SCCM.

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• What should I do when the GETDEB repository is down?

  - by 13east

  I'm trying to install programs/files from the getdeb repo but get a "check your internet connection" error. Programs than I've tried include Qbittorrent and Mozilla-Plugin-VLC. Through the terminal I get the following errors: Err http://archive.getdeb.net/ubuntu/ natty-getdeb/apps qbittorrent amd64 2.8.2-1~getdeb2 Could not connect to archive.getdeb.net:80 (209.105.191.78). - connect (113: No route to host) E: Failed to fetch http://archive.getdeb.net/ubuntu/pool/apps/q/qbittorrent/qbittorrent_2.8.2-1~getdeb2_amd64.deb: Could not connect to archive.getdeb.net:80 (209.105.191.78). - connect (113: No route to host) & Err http://archive.getdeb.net/ubuntu/ natty-getdeb/apps mozilla-plugin-vlc amd64 1.1.10-1~getdeb1 Could not connect to archive.getdeb.net:80 (209.105.191.78). - connect (113: No route to host) E: Failed to fetch http://archive.getdeb.net/ubuntu/pool/apps/v/vlc/mozilla-plugin-vlc_1.1.10-1~getdeb1_amd64.deb: Could not connect to archive.getdeb.net:80 (209.105.191.78). - connect (113: No route to host) I'm not having any problems adding/removing other programs/files from my machine. Is there a problem with GETDEB repo (and if so, is there any way to fix it on my end) or is there something wrong with my computer's configuration?

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• Why does Windows Firewall show "Unidentified network" as one of my "Active public networks"?

  - by MousePad

  I have a machine that has wifi and ethernet. I have wifi active, and am not using ethernet. My Windows firewall shows two active networks, one is the wifi network I connect to, and the other is "Unidentified network". What is this unidentified network? I can't seem to be able to get rid of it because I can't find where it is even defined. How can you detect this and know whether this is just something appropriate or possibly a security problem? I am on Windows 7 64bit.

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• How much RAM 64bit Windows 8 reserves to OS internal use?

  - by Barleyman

  Windows reserves some memory for it's internal use which is not normally allocated to applications. This reserve is seen most easily if you run without a page file or limit the pagefile to relatively small size (such as 3GB). Windows will allocate primarily RAM up to the limit, fill up remaining free space in the page file (if any) and issue a low memory warning when there is no page file space left and the allocated RAM limit is exceeded. The limit appears to be a percentage of the total system RAM. Windows 7 x64 limit is discussed here and methods for circumventing the "low memory warning" is discussed here. Disabling the low memory warning has some advantages - You can use some 600MB more RAM on 8GB machine) But there is a serious disadvantage - When you're out of ram, programs will crash. How much RAM can you allocate on 8GB Windows 8 x64 before you get the low memory warning? Is it possible to adjust the warning threshold?

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• Install Navicat for MySQL on Linux Ubuntu 12.04

  - by DanielAttard

  How do I install Navicat on Ubuntu Desktop 12.04? I have just configured a new Ubuntu 12.04. Because I'm not so familiar with the command line, I prefer to use Ubuntu Desktop so that I can have a GUI. Now I need to install a front-end to connect with MySQL. I prefer to use Navicat in a MAC environment, so I was hoping to install Navicat on the Ubuntu machine. I downloaded a Linux copy of Navicat for MySQL from here: http://www.navicat.com/download/navicat-for-mysql The problem I am having is that I don't know how to install the program after it has been downloaded. There is a navicat.exe file in the navicat folder, but that seems to be for a DOS/Windows environment. I just can't figure out how to install Navicat onto Ubuntu Desktop 12.04. Anyone have any ideas? Thanks.

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• What are some efficient ways to set up my environment when working on a remote site?

  - by Prefix

  Hello fellow Programmers, I am still a relatively new programmer and have recently gotten my first on-campus programming position. I am the sole dev responsible for 8 domains as well as 3 small sized PHP web apps. The campus has its web environment divided into staging and live servers -- we develop on the staging via SFTP and then push the updates to the live server through a web GUI. I use Sublime Text 2 and the Sublime SFTP plugin currently for all my dev work (its my preferred editor). If I am just making an edit to a page I'll open that individual file via the ftp browser. If I am working on the PHP web app projects, I have the app directory mapped to a local folder so that when I save locally the file is auto-uploaded through Sublime SFTP. I feel like this workflow is slow and sub-optimal. How can I improve my workflow for working with remote content? I'd love to set up a local environment on my machine as that would eliminate the constant SFTP upload/download, but as I said there are many sites and the space required for a local copy of the entire domain would be quite large and complex; not to mention keeping it updated with whatever the latest on the staging server is would be a nightmare. Anyone know how I can improve my general web dev workflow from what I've described? I'd really like to cut out constantly editing over FTP but I'm not sure where to start other than ripping the entire directory and dumping it into XAMP.

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• Installed IE8 & SP3 on XP now I can't HTTPS from any browser.

  - by Kevin

  The computer is Windows XP Professional SP3 with IE8. On the Tools Options Connections the "Settings" is GRAYED OUT (I am an admin on the machine) Any browsing of https:// addresses results in IE displaying the following: "this program cannot display the web page" After installing an alternate browser and trying the same https:// address I get a similar error message. I have tried using Compatibility View Settings to for all web pages and this has no effect on the problem. HTTP addresses work fine, I can PING sites such as google.com without issue. Question: What could be preventing me from getting at the settings to check to see if I'm using a proxy? What else could be preventing HTTPS access?

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• There is a commercial tool like Xen + Remus?

  - by SoMoS

  Hello, I have a project where we need a completely redundant system like the one offered by Remus with a Xen virtualization system. I wondered if there is a system like this one built by VMWare or some other company because the project is a very critical one and we do not want to have to wait that a bug is fixed by "the community" and money is not a problem. What Remus does is to build a completely redundant system where you can shutdown one machine and the other continues the work where the other left it maintaining the network connections opened, etc Any hint? Thanks in advance.

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• Oracle Endeca "Getting Started" Partner Guide

  - by Grant Schofield

  For partners looking for a concise step by step guide to getting started with Oracle Endeca Information Discovery, here it is to help you get started as quickly as possible. Step 1: Join the Knowledge Zone as a company and an individual - this will give you a) the right to resell Oracle Endeca ID, and b) notice of any free / subsidised training events in your region Step 2: For a quick general overview & positioning see the following article, in particular the Agile BI Video series which are useful in sharing with prospective clients. Also find a link to the official OEID Data Sheet. Step 3: For a more detailed overview there is a live recorded OEID partner webcast with downloadable slides. In conjunction with this, your sales / presales team have free access to the official OEID Partner Playbook as well as the full Oracle price book. Step 4: Download the OEID software and install. Please be aware you will need a 64-bit machine & a 64-bit Operating System. A useful solution for partners that have a 32-bit Operating System is to use Oracle's free VirtualBox software to quickly and easily create a Linux image and install on that. Step 5: Attend a free / subsidised training event in your region. Please join the Knowledge Zone as an Individual (opt in) to be informed of these. We will also publish these via the blog Things are moving fast, so please be aware that the team are working hard to produce more and more material such as downloadable data sets (structured / unstructured), a downloadable image, access to demos, and over the next few weeks we will update this article as soon as new material becomes available!

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• Why can't I create a Windows backup on my secondary disk?

  - by Brian Sullivan

  I've installed Windows 7 Ultimate on an SSD that I've added to the XPS desktop that I bought from Dell. I would like to use the built-in backup functionality to create incremental backups and store them on the large drive that came with the machine. I formatted the large drive and turned it into a Basic disk. However, when I try to set the backup location to the large internal disk (E:\) in the "Set up backup" wizard, a get a message saying, "A system image cannot be saved on a drive that your computer boots from or that Windows is installed on." Windows is not installed on that disk. I even deleted the OEM partition that was on the disk, and removed it completely from the boot order in the BIOS. Any clue why Windows is griping at me about this?

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• What causes random clicking/navigation sound while PC is idle?

  - by user14339

  On my Dell D630 laptop running Windows XP Pro SP3, I randomly hear the "Windows Navigation Start.wav" played. This happens even if the only application active on the PC at the time is Microsoft Outlook and no one is touching the keyboard or touchpad. The start navigation sound IS enabled for Internet Explorer (I have IE 7 installed), but it is not running (no window open, anyway). The clicks are rapid, as if being executed automatically by a script or process, and they always come in threes: "click-click, click". I don't see any changes on the display and I don't know how to figure out what's running that could cause this. I have tried to leave Windows Task Manager open in the hope that I'll see a process name jump to the top of the list briefly, but it doesn't happen that often and I guess I'm not quick enough. The PC is slower than I think it should be, but System Idle Process is at 96 - 99 during the event, and for most of the time when I'm not actually using the machine. Any ideas?

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• Rsync and Windows 7

  - by Nate

  Can someone give me any tips on setting up some sort of Rsync server/client on Windows 7 to run rsync between both my web hosting server, and a backup server that I have running Ubuntu? I've tried setting it up with this tutorial: http://www.youtube.com/watch?v=CvwdkZLNtnA Using copssh, and cwrsync. Ran into all sorts of troubles, including not being able to get cwrsync to run (it installs properly, but never starts up), and copssh not generating the keys at all. The guy was running Windows Server 2003, though, so I'm guessing the problems could just be because I'm running Windows 7. I've been trying to set it up with my Windows machine being the rsync server, and then Ubuntu and my webhosting VPS as the clients, but I realize it may be easier (and make more sense) to just setup the rsync server on Ubuntu, and then an rsync client on Windows 7? Can anyone point me in the right direction? I'm thinking of using this guide: http://www.gaztronics.net/rsync.php It seems a bit outdated, though.

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