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• Moving from windows to linux : Understanding - X Window System, X Server, Xorg, Xfree86.

  - by claws

  Hello, I'm a windows developer(Win32api) moving from Windows to Linux. While installing linux there are lot of things to know about X11, X Window System, X Server, Xorg, Xfree86 and what not. How come we aren't aware of such things in windows? Wiki article on these scares me. Can any one explain these things? How they work? Why is it so complicated in linux & not in windows? Any good references are also appreciated. PS: I love to know internals, don't hesitate to go into depth.

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• Apache routing vhosts to /var/www

  - by FHannes

  One user at my site has reported that he reaches the content at /var/www when browsing to any of the vhosts at my server. As far as I’m aware, my Apache server does not contain a document root that references this folder. On top of that, this user seems to be the only one experiencing the issue. According to his ISP, the issue isn’t caused by them, yet, on his mobile connection, he can access the site. When browsing to my server’s IP, he also receives the correct content from the default vhost. What could be the possible causes of this issue and how can I get it to stop? I’ve explored pretty much every option I could think of.

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• Parallels: How to see a Mac-hosted website from Windows?

  - by Jim Miller

  I'm traveling at the moment, and have moved one of the websites I'm working on to my MBP so I can work on it without a network connection. I've made an addition to the Mac's /etc/hosts file pointing the domain name to 127.0.0.1, and all's well. I now want to get into Parallels and check the site from Windows browsers. How do I get things so that the Windows browser will understand the domain name and access the site? The Windows image obviously doesn't recognize / can't find the Mac's /etc/hosts file, and references to 127.0.0.1 in the Windows hosts file just as obviously point to Windows, not the Mac. Any advice out there? Thanks!

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• 64-bit Hardware Virtualization on VirtualBox

  - by Cat

  I am trying to set up a SQL Server practice lab using VirtualBox and a trial copy of Windows Server 2K8 R2 in ISO format. I received an error message that states my processor does not support 64-bit hardware virtualization. Although I "Enabled" Intel ardware virtualization in the BIOS that still doesn't work. According to the Intel website, the processor does support VT-x, however the accelerated tab in VirtualBox is greyed out and no references to VT-x are mentioned in the settings options available to me. Any ideas on how I can get around this? I checked around ServerFault and couldn't find anything but if I missed an applicable post a link is great too. Specs below - if additional information is needed please comment and I will provide. Thanks in advance. VirtualBox version - 4.1.18 Hardware - Lenovo B570 1068-A3U i3-2310M

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• Disable CTRL + ALT + [LETTER] to produce accented variations

  - by Barney

  After an unknown config change, CTRL + ALT + [LETTER] has started producing common accented versions of [LETTER]. I'm not a big fan of this arrangement, seeing as I've memorized all my favourite ALT + [NUMPAD SEQUENCE] references and was used to using CTRL + ALT + [LETTER] for various other application-specific commands in my text editor. The prominent result from my searching suggests that this has something to do with a switch to an 'international keyboard', and says this can be removed in the control panel or toggled by hitting ALT + SHIFT, but I can't get my system to confirm this, and the solutions (or close approximations thereof) don't work. Specifically, I've been to Control Panel\Clock, Language, and Region\Language\Advanced settings and switched the override for default input method from 'language list' to English and I've been to Control Panel\Clock, Language, and Region\Language\Language options and made sure that I only have my one input method (UK). Other than that I'm not quite sure where to look. Any ideas?

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• Disqus cache of unposted posts

  - by user129107

  Some webpages implement Disqus and also have the rather bad policy of adding auto refresh to the page. This result in for example one writing a long answer in a debate and then a refresh comes along – and everything is gone. Is the comments, written, but not posted, cached somewhere? Is it possible to retrieve? I have experienced this on various pages. In the current case the debate page was reloaded and a rather lengthy post with a lot of references and long thought out sentences vanished. This page closes the debate during night time, and do a auto refresh of the page when one pass midnight – as such I'm not able to retrieve the debate for another 8 hours. Other pages implement for example an auto refresh after 20 minutes. Linux, Google Chrome.

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• Sysprep.exe completely missing on both of my Windows 7 64bit machines. How should I find a workaround?

  - by Zoltán Tamási

  The sysprep.exe file is simply missing on my Windows 7 64bit machine. I tried to find it on another computer, but it wasn't found there either. I can't understand it, because on a lot of forums and even in the official articles there are a lot of references to this tool. I've checked system, system32, sysWOW64 folders, and even made a full search with Total Commander. I only found a sysprep folder in the system32 folder, but inside was only an en-US subfolder, which was empty. Then I thought I will give my Windows PE bootdisk a try, which I've created a while ago. No result, only the same empty en-US folder is present there as well. Please if anyone knows what's happening, point me to the right direction. I need to clone my system and I'm stuck right at the first step...

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• ssh asks for password despite ssh-copy-id

  - by Aliud Alius

  I've been using public key authentication on a remote server for some time now for remote shell use as well as for sshfs mounts. After forcing a umount of my sshfs directory, I noticed that ssh began to prompt me for a password. I tried purging the remote .ssh/authorized_keys from any mention the local machine, and I cleaned the local machine from references to the remote machine. I then repeated my ssh-copy-id, it prompted me for a password, and returned normally. But lo and behold, when I ssh to the remote server I am still prompted for a password. I'm a little confused as to what the issue could be, any suggestions?

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• ionice idle is ignored

  - by Ferran Basora

  I have been testing the ionice command for a while and the idle (3) mode seems to be ignored in most cases. My test is to run both command at the same time: du <big folder> ionice -c 3 du <another big folder> If I check both process in iotop I see no difference in the percentage of io utilization for each process. To provide more information about the CFQ scheduler I'm using a 3.5.0 linux kernel. I started doing this test because I'm experimenting a system lag each time a daily cron job updatedb.mlocate is executed in my Ubuntu 12.10 machine. If you check the /etc/cron.daily/mlocate file you realize that the command is executed like: /usr/bin/ionice -c3 /usr/bin/updatedb.mlocate Also, the funny thing is that whenever my system for some reason starts using swap memory, the updatedb.mlocate io process is been scheduled faster than kswapd0 process, and then my system gets stuck. Some suggestion? References: http://ubuntuforums.org/showthread.php?t=1243951&page=2 https://bugs.launchpad.net/ubuntu/+source/findutils/+bug/332790

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• type mismatch errors querying data from spreadsheet

  - by user2984933

  In EXCEL 2010 I am trying to querying data in another spreadsheet. The data range in the source sheet/ file is named (DATABASE). The Date field in the database is formatted as short date and when I query the date without criteria I get a different format of European datesYYYY-MM-DD with time in the results. When I use criteria and a specific date in the date field criteria grid using English format MM-DD-YYYY I get results. When I set parameters looking at destination file cells for the date for the parameters, I get Type mismatch EVEN THOUGHT THE CELLS ARE Short date Formatted. This worked perfectly in my 2003 version of EXCEL. Now I am running Win 7 -64 and Office 2010 Pro. Why does the query throw Mismatch with cell references for the parameters but accepts hard value dates in any date format? (MSQRY32.EXE)

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• What is your approach to draw a representation of your network ?

  - by Kartoch

  Hello, I'm looking to the community to see how people are drawing their networks, i.e. using symbols to represent complex topology. You can have hardware approach, where every hardware unit are represented. You can also have "entity" approach, where each "service" is shown. Both are interesting but it is difficult to have both on the same schema (but this is needed, especially using virtualization environment). Furthermore, it is difficult to have complex informations on such representation. For instance security parameters (encrypted link, need for authentication) or specific details (protocol type, ports, encapsulation). So my question is: where your are drawing a representation of your network, what is your approach ? Are you using methodology and/or specific softwares ? What is your recommendations for information to put (or not) ? How to deal with the complexity when the network becomes large and/or you want to put a lot of information on it ? Examples and links to good references will be appreciated.

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• Excel, Lookup special characters and spaces.

  - by Sisyphus

  I have an excel, spreadsheet that has multiple sheets. The first sheet is an index of files, I am using the following forumla to look up a value in column A, references against the index sheet, if it matches then it copies the value from column B from the index sheet. The forumla is: =IF($A3="", "", (LOOKUP($A3, INDEX!$A$3:$A$26, INEDEX!B$3:B$26))) It works for data that has no spaces and special characters, anybody have any ideas why it doesn't work and how I can make it work? Thanks in advance.

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• Local Profile Map to New Active Directory Login

  - by user42937

  Preface: I am sure this has been asked some where on the site before but I couldn't find any questions about it, or maybe I am not using the correct verbiage... Our admins are giving us a new active directory account on different domain. As I am a progammer (a member of IT) we are the group gets assigned new accounts first to test the migration. When I log in to my local machine using the new account I get a new local profile. Not the biggest deal, but on the new profile I am missing mappings, desktop items, wallpaper, etc. Our users I going to throw a fit if there is no way around this. Two Questions: I've seen references to NTUSER.DAT and suggestions to Copy all user files from "Documents and Settings", but is there a good way or is it even possible to associate my local profile with the new AD account? Is there any thing that our admins can do to prevent this from happening?

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• Hardware changes to require XP Activation ? (for a Virtual Machine)

  - by NVRAM

  I have WXP-64 running on a VM and, for testing and performance reasons, I would like to occasionally change the allocations for it. Changes might include: Number of CPU cores, Amount of RAM Add/remove network adapters. But I'm concerned that XP will demand re-activation and that I might eventually have licensing issues if I do this. So, can anyone tell me: What kind of changes trigger re-activation in XP? Is there limits or caveat with regard to re-activation? I've perused this question and the article it references, but wanted more recent and verified info. (FWIW, I'm not trying to cheat: the OS copy was purchased explicitly for the VM.)

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• Apache routing vhosts to /var/www

  - by FHannes

  One user at my site has reported that he reaches the content at /var/www when browsing to any of the vhosts at my server. As far as I’m aware, my Apache server does not contain a document root that references this folder. On top of that, this user seems to be the only one experiencing the issue. According to his ISP, the issue isn’t caused by them, yet, on his mobile connection, he can access the site. When browsing to my server’s IP, he also receives the correct content from the default vhost. What could be the possible causes of this issue and how can I get it to stop? I’ve explored pretty much every option I could think of.

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• openVAS - Microsoft RDP Server Private Key Information Disclosure Vulnerability - false Alarm?

  - by huebkov

  I performed a openVAS scan on a Windows Server 2008 R2 and got a report for a high threat level vulnerability called Microsoft RDP Server Private Key Information Disclosure Vulnerability. An remote attacker could perform a man-in-the-middle attack to gain access to a RDP session. Affected Software is Microsoft RDP 5.2 and below. My server uses RDP 7.1, is this alarm a false alarm? Security Advisor Pages say: Solution Status Unpatched, No remedy... References http://secunia.com/advisories/15605/ http://xforce.iss.net/xforce/xfdb/21954/ http://www.oxid.it/downloads/rdp-gbu.pdf CVE: CVE-2005-1794 BID:13818

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• How to make a Windows 8 clean install without prior Windows installation or key?

  - by fmsf

  I've been a Mac user for ages and I don't have any copy of Windows (xp, vista or 7). So I need to make a clean install on my custom built pc currently running Linux. I have found some information regarding the existence of a "Windows 8 pro system builder" which will allow clean installs in blank disks without any pre-requisites for prior Windows versions, but all information is very vague and without references. Does anyone know how to do this kind of installation? Where can I buy the Windows 8 system builder?

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• Excel - Dynamic reference based on the row I paste into?

  - by michaelmichael

  I have a simple, oft-used formula that I paste into spreadsheets I receive. It looks like this: =IF(AND(D8="COMPLETE",E8=""),A8,"") It looks in D8 for the word "COMPLETE" and checks that E8 is blank. If both conditions are fulfilled it grabs the contents of A8. It works fine. The only problem with this is that I don't always paste it into row 8. Every spreadsheet is different. I usually end up spending a few seconds making the formula fit the current spreadsheet I'm working on by dragging the cell references to the appropriate row. Hence, my question: Is there a way to make an absolute row reference based on whatever row I paste into? For example, if I paste the above formula into a cell in row 25, the formula would automatically look like this: =IF(AND(D25="COMPLETE", E25=""), A25, "")

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• Visual Studio 2010 locking referenced Assembly

  - by cunningdave

  I have a sandbox app that is built from the simple WPF Application template. This sandbox references an assembly that I am also building which contains the definition of a UserControl (WPF). I am instantiating this user control in the sandbox, to test the control's behaviour. The point of all this is to speed up development. This worked fine, but recently the .Vshost.exe paired with the sandbox process won't shut down. This prevents me from recompiling the Controls library, though ironically I can recompile the sandbox application. I can't kill the vshost process with Task Manager... only restarting VS2010 will clear it out. But every time I run the application from VS, the process just hangs there, blocking my workflow. I'm at a loss. Any ideas what could be causing this? Or does someone have any proposed workaround (mega-kill switch, perhaps?)

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• Is it safe to sync a Firefox instance in both directions?

  - by java.is.for.desktop

  Hello, everyone! I want to use some tool (not decided yet, which one) to sync a Firefox instance (more exact: user directory) between two machines. (EDIT: I want really to sync everything in the user-directory) Would you assume, that this is safe? What would happen, if some files are newer on the one machine, and some other files are newer on the other machine? Could this lead to inconsistencies, when, let's say, there are some inter-file references? If general, I don't have good experience with syncing application in both directions. Most applications seem not to be suited for this.

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• What does CONTROL mean in the context of the Certificate

  - by Ram

  Hi Everyone, I am trying to implement encryption in sql server 2005 through Certificate and Symmetric Key and i came to know that the application user should have the following access in order to Encrypt and Decrypt Data 1) CONTROL permission on Certificate and 2) REFERENCES on the Symmetric Key (Let me know if i am wrong) Now my concern is what does CONTROL mean in the context of Certificate? If my User1 has Control permission on my certificate Cert1 What all can he do, Is there a way to restrict him further, but user1 still be able to Encrypt\Decrypt the data I could not find any good practice doc for certificate and key management so can some one advice the good practice for this Thanks, Ram

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• Windows 7 (64-bit) remove global hotkey created by unknown application

  - by user61967

  As the titles says an unknown application that I've installed have registered a global hot-key for Alt+2 , or as this is a Finnish keyboard it's actually Alt Gr+2. As this is also the key combination for writing the @ symbol (I copy/pasted this one) you can imagine how frustrating it is. There doesn't seem to be a way to even list these global hot-keys in windows, let alone change them. Searching the net doesn't help much either, it just gives you a list of windows built-in hot-keys or references to AutoHotKey, which as far as I can tell can't solve this issue. I don't want to script/customize/modify anything, I just want to remove this global hot-key so I can start typing @ again.

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• BBDB/OrgMode Workflow to store additional information

  - by Matth

  What is the best strategy to establish links and reverse links to my contacts stored in BBDB? My Outline is similar to this: * Projects ** a ** b -> link to contact? ** c * Notes ** 2014-04-02 Meeting with Contact A -> link to contact? How can I create a workflow so that all references to this contact are shown, once I open this contact in BBDB? Currently I use a "hack" where I manually enter links to the entries in the "Notes" field of that entry. But as it is not possible to inclide org-mode outlines in the "Notes" filed, it is an appalling list unusable links.

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• redirecting arbitrary tcp/udp in kvm

  - by jbfink

  I've got a server with KVM on it, and multiple guest VMs. I'd like a way to redirect traffic from the host server to the VMs. Like, say, forward all traffic on port 2222 on the host to 22 on a guest VM for ssh. This would have to be done either through virt-manager or libvirt XML config files -- I've found multiple references to doing it through qemu (like http://forums.fedoraforum.org/showthread.php?t=237969) but absolutely nothing that I can see related to either libvirt or virt-manager. Do you know how I can do this?

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• Entire folders deleted from My Documents periodically with remote logins

  - by darron

  I've got a customer who thinks our application is constantly deleting all it's data. It's really becoming a major problem for them. The problem is, there's no way it's us. They are losing not only our entire data folder (which we locate in the user's "My Documents" folder to make it easy to find), but some local settings files which are in entirely different places within the general user profile. It REALLY looks like the entire user is either getting reset, or is somehow synchronizing with a more... blank profile somewhere else. They're running this on some kind of virtualized Citrix guest OS. I see references to a "group policy folder redirection" that could do this... maybe roaming profiles? Any ideas? Help!

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