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• How do you enable multi-core virtualization in Windows 8 Pro?

  - by Greg B

  I've just got a new Dell Vostro 470 with a quad core (8 threads) i7 3770 and I'm trying to run virtual machines on it, which works fine, except if I want to assign multiple cores to a VM. I've checked the bios which states Intel Virtualization Technology [Enabled], but both Hyper-V and VirtualBox will only allow me to assign a single core. If I run the Intel Processor Identification Utility on the host OS it tells me that Intel Virtualization Technology isn't supported by the processor, but according to the Intel website, it is. So whats going on? Have Dell clipped the i7's wings? Is there some config in Windows I need to change?

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• Output to TV only works if monitor is plugged in

  - by Greg Sansom

  I am trying to use my TV as the sole output for a computer. The computer has a graphics card with 2 outputs - one RGB and one DVI. I have the RGB output going to the TV, and when the DVI output is connected to a monitor, display works fine on both the monitor and the TV. If I turn off the monitor, or even turn off power to the monitor, the TV continues to display the desktop. If I unplug the DVI cable from the monitor (remember that the monitor doesn't have any power at this point), the TV stops presenting the desktop and displays a "Not Accepted" message. When starting up the computer, the TV displays fine, but stops working at the "press ctrl-alt-delete" screen unless the monitor is connected. How can I make the TV show the display without the monitor? The TV is an LG RT-42PZ45V. The graphics card is an ATI Radeon series HD4350 512MB GDDR2. The computer is running Windows Server 2008 r2.

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• Jail Linux user to directory for FTP login

  - by Greg

  I'm planning on using vsftpd to act as a secure ftp server, but I am having difficulty controlling the linux users that will be used as ftp logins. The users are required to be "jailed" into a specific directory (and subdirectories) and have full read/write access. Requirements: - User account "admin_ftp" should be jailed to /var/www directory. - Other accounts will be added as needed, for each site... e.g: - User account "picturegallery_ftp" should be jailed to /var/www/picturegallery.com directory. I have tried the following, but to no avail: # Group to store all ftp accounts in. groupadd ftp_accounts # Group for single user, with the same name as the username. groupadd admin_ftp useradd -g admin_ftp -G ftp_accounts admin_ftp chgrp -R ftp_accounts /var/www chmod -R g+w /var/www When I log into FTP using account admin_ftp, I am given the error message: 500 OOPS: cannot change directory:/home/admin_ftp But didn't I specify the home directory? Extra internets for a guide how to do this specifically for vsftpd :)

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• What is a good encryptable disk image format suitable for rsync on a PC?

  - by Greg Joshner

  I’m looking for a solution to encrypt my XP home directory and then rsync the encrypted image file to a remote server. Since I don’t want to transfer several Gigs for even the smallest change in the image I’m looking for a solution which saves the image “chunked” into smaller files. That way Rsync can transfer only the changed elements. Do you have any ideas? Thanks a lot for your help!

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• Why does localhost and 127.0.0.1 resolve to different locations on Mac OSC 10.8?

  - by Greg Wiley

  I set up a local server without MAMP, for various reasons. I used this tutorial: http://coolestguyplanettech.com/downtown/install-and-configure-apache-mysql-php-and-phpmyadmin-osx-108-mountain-lion I'm just wondering why the local IP and localhost resolve to two different locations. Right now the IP resolves to a Virtual Host I set up and the localhost resolves to the DocumentRoot established by httpd.conf

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• Fill a table from a RAND based formula in Excel 2010

  - by Greg Reynolds

  I am trying to do a Monte Carlo simulation using Excel, but a lot of the tutorials I have found are either for older versions of the product, or are not quite what I am after. A simple example of the kind of think I am after is: Cell A1 contains the formula to simulate (for example int(6*rand())+1 to simulate rolling a dice). I have 10 rows of "Trials". What I want is to somehow point each row at a different calculation of the formula in A1. So I would end up with something like Trial Value 1 2 2 5 3 6 4 2 5 1 6 3 7 2 8 4 9 2 10 1 I have tried playing with some of the "What-if Analysis" tools, but I am a bit lost.

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• How to change theme in Windows 7 with Powershell script?

  - by Greg McGuffey

  I would like to have a script that would change the current theme of Windows 7. I found the registry entry where this stored, but I apparently need to take some further action to get windows to load the theme. Any ideas? Here is the script that I'm trying to use, but isn't working (registry updated, but theme not changed): ###################################### # Change theme by updating registry. # ###################################### # Define argument which defines which theme to apply. param ( [string] $theme = $(Read-Host -prompt "Theme") ) # Define the themes we know about. $knownThemes = @{ "myTheme" = "mytheme.theme"; "alien" = "oem.theme" } # Identify paths to user themes. $userThemes = " C:\Users\yoda\AppData\Local\Microsoft\Windows\" # Get name of theme file, based on theme provided $themeFile = $knownThemes["$theme"] # Build path to theme and set registry. $newThemePath = "$userThemes$themeFile" $regPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\" Set-ItemProperty -path $regPath -name CurrentTheme -value $newThemePath # Update system with this info...this isn't working! rundll32.exe user32.dll, UpdatePerUserSystemParameters Thanks!

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• Can't install apache server, refuses to find

  - by Greg Dougherty

  I'm attempting to install Apache httpd-2.4.3. running $ ./configure --with-included-apr --with-pcre=/home/gregd/httpd-2.4.3/pcre --with-mod_alias --with-mod_include --with-mod_mime --with-mod_rewrite --with-mod_speling --with-mod_ss I get the following error: configure: error: Did not find pcre-config script at /home/gregd/httpd-2.4.3/pcre But the file pcre-config most certainly DOES exist in /home/gregd/httpd-2.4.3/pcre. So does configure. Installing on ubuntu. Any help would be greatly appreciated.

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• Prevent Windows from resizing all the apps on the desktop when switching monitors

  - by Greg Hewgill

  Short version: When moving my laptop and sleeping between using different monitors, all my open windows are crammed into the upper left corner as if they tried to fit on the laptop internal screen resolution. I plug in and switch to the external monitor before unlocking my session. Is there a way to prevent this automatic resizing? Longer version: I have a laptop that I move between two locations. I have one docking station, and the same kind of monitor configured for 1600x1200, in both locations. The internal laptop screen is awful so I don't use it. Location A: Docking station, monitor connected via DVI. Location B: No docking station, external monitor connected via VGA cable. In this location I have the laptop lid open for keyboard access but I don't use the laptop screen. When moving from Location A to Location B, the laptop wakes up from sleep, displaying the screen on the internal monitor. I switch to the external monitor display (using Fn+F8 on this laptop), and only after that do I unlock my session with my password. However, Windows has crammed all my nicely arranged windows into the upper left corner as if it were trying to fit them all on the laptop internal screen resolution. When moving from Location B to Location A, I have the laptop lid closed when using the docking station so Windows apparently concludes the screen resolution is 1600x1200 and doesn't resize any windows. The laptop is a Dell Latitude running Windows 7 Professional.

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• Aquamacs automatic line break configuration

  - by Greg Harman

  When editing a text file with Aquamacs, if I type a long line, it likes to automatically break the line (insert a newline) after ~70 characters. How do I turn this "feature" off?

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• Server memory issues, and expected level of service from hosting company

  - by Greg

  I'm involved in maintaining an Ubuntu VPS which runs our django websites (nginx/apache/mod_wsgi) and we've been having some memory spikes which have either caused the database to die, or induced kernel panic when the memory management system can't find any killable processes. I'm working on fixing the memory spikes, but I'm wondering whether there's anything I can do to better deal with the problem if it occurs again. Are there any tools I could use to detect the memory spikes and then, say, kill the offending process and email the server admin to fix it up? Killing off one website so that the server can remain operational is certainly preferable to the whole thing falling over. Also, we were charged $600 for after-hours service because we had to get the hosting company to restart the server - is this standard practice among hosting companies? Another provider I work with provides a panel with which I can stop and start the server myself, and given that a restart was all that was needed, $600 seems mightily excessive. (That's NZD, it's around $445 USD)

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• What are these isolated resource requests in Apache's access_log?

  - by Greg

  I was looking at my Apache access log and came across some strange requests. A single IP address will access several resources (mostly css style sheets and images), but no actual pages. Sometimes they are requesting a resource that no longer exists on the server, or one that is still under the web root but no longer used (e.g. a resource in an old WordPress theme). Also: The requests list no referrer I get no useful information on the IP address by looking it up There doesn't seem to be any pattern among the IP addresses that are making these requests (e.g. different countries) Are these just links from a stale cache somewhere? Could it be a sign of an attack of some sort? Here is a typical example: GET /wp-content/themes/my-theme/images/old-image.gif HTTP/1.1" 500 809 "-" "Mozilla/4.0 (compatible;)" This was one of about 10 similar requests, some for existing resources, some for older resources. There is no other sign of this IP address in access_log. Note the internal server error, which is a topic for a different thread. What I'm asking here is where would isolated requests like this come from?

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• Incorrect "from" account used when accepting Outlook meeting requests

  - by Greg

  I am using Outlook 2013 and I have multiple accounts configured: AccountA (IMAP) - default account AccountB (Exchange) (There are others but I don't think it's directly relevant) I have been receiving Outlook meeting requests via AccountB and duly accepting them. All of my meetings, whether recorded manually or via meeting requests are saved in the calendar for AccountA (this works fine). I have discovered today that even though meeting requests are arriving via AccountB, the accept/decline messages that Outlook generates on my behalf (when I click the accept/decline button) are addressed from AccountA. I don't believe that I have any control over the address used to reply. This seems non-intuitive at best. I understand that the underlying calendar is in AccountA, but in every other scenario the "From" address in a reply to a message defaults to the account it was sent to. Can I change this behaviour so that it works as I expect?

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• Recommend a mail server setup for multiple domains

  - by Greg

  Hi all, I've just set up a new Debian web server which I have done plenty of times before, but I want to add a mail server which I have never done before. I am aware of this question, but I would like someone to recommend packages and briefly explain how to use them for providing pop/imap access on multiple domains, a concept that has confused me for a while. I'm planning for this server to grow slowly but surely, from serving an initial 5 or 6 domains to about 20 in the first year, continuing at this rate. (yes, I've jumped on the cloud bandwaggon). At the moment, I have a DNS-A record pointing to my server's IP and nothing else. I'm assuming that I need a DNS-MX record pointing there too, but I haven't read up about it yet so today that's what I'll be doing. Hopefully reading up on the subject and the help that I get here will get my server up and running in no time. Thanks!

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• Windows 7 Skype shifts audio to speakers

  - by Greg Reynolds

  I have noticed a strange feature on my Dell Latitude running Windows 7 and Skype. When I am listening to music on the headphones, and Skype rings, then the audio I was listening to is redirected to the computer speakers, while Skype takes over the headphones. This is infuriating as my co-workers are treated to 1 second snippets of whatever rubbish I have on at the time. Any ideas on how to stop this happening? I messed with some of the settings on Skype, but nothing seems to make any difference.

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• Using a second wifi router as a wireless bridge

  - by Greg-J

  I purchased a D-Link DGL-4500 to replace my aging WRT54G around a year ago, only to find it nowhere near as reliable. It's been collecting dust since. I'm wondering if there is a way to use it as a wireless bridge so I can connect it to my home network and then use it's ethernet ports to provide network access to several devices. Is this something that can be done? If not, are there devices meant for this? Any help would be appreciated.

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• Windows 7 Blank Screen on Boot / Login

  - by Greg

  I have a new system that's having a few problems... sometimes (seems to be when the PC is cold, i.e. has been switched off for a while, though that could be my imagination) I get a blank blue screen when I boot up. The system boots normally and auto-logs-in. The desktop loads and I'm even able to launch applications, but then everything disappears and the screen goes to the default windows desktop blue colour (not the desktop image, just a plain blue with no mouse cursor). At this point the machine completely locks up - I'm unable to even toggle Num Lock and have to hold in the power button for 5 seconds to kill it. Interestingly if I manage to launch some applications before it goes blank, they will usually crash... sometimes explorer.exe will crash too. When I reboot, the system is fine and stable. I've installed the latest graphics drivers and run memtest86+ for 6 passes (and counting) with no errors. The system specs are: CPU: Intel I7 2.66 @ 3.4GHz RAM: 6GB (3 * 2GB DDR3) HDD: 128GB Crucial M225 SSD Motherboard: Gigabyte EX58-UD3R Gfx: ATI Radeon Sapphire 5870 1GB Note: There are a few similar questions but I haven't found one that matches my symptoms

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• What's the proper way to setup a client chosen domain name?

  - by Greg

  In my web app, I'm toying with the idea of giving my user the opportunity to select a subdomain of their choosing, so they could select something like: foobar.myapp.com where foobar is their chosen subdomain. What is the proper way to go about setting up something like this? .htaccess? Have some api for writing virtual hosts? The application would still always map to one directory on my sever, I just want to give theme a custom URL.

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• Apache LDAP with local groups

  - by Greg Ogle

  I have a server that currently uses htpasswd to authenticate users. I'm migrating to using LDAP, but my LDAP server is only for user authentication, not allowing me to add groups. I still need to use groups as they are used for access control via the Apache Directory tags in my configuration. The alternative is to revisit the access control altogether, using php or something of the sort to limit access. this works for 'basic' authentication <Directory /misc/www/html/site> #LDAP & other config stuff irrelevant to issue Require ldap-group cn=<service>,ou=Groups,dc=<service>,dc=<org>,dc=com </Directory> attempted <Directory /misc/www/html/site> #LDAP & other config stuff irrelevant to issue #groups file from previous configuration using htpasswd #tried to tweak to match new user format, but I don't think it looks up in here AuthGroupFile /misc/www/htpasswd/groups #added the group, which is how it works when using htpasswd Require ldap-group cn=<service>,ou=Groups,dc=<service>,dc=<org>,dc=com group xyz </Directory>

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• Can't start a service (sudo) remotely from script and keep it running

  - by Greg Bernhardt

  I have a service (tomcat) that needs sudo to be started. I made a simple script on the remote server in /root/bin/test.sh #!/bin/sh sudo service tomcat start read (The script needs to do other stuff too, just pared down for simplicity). When I run a it directly on the remote server, tomcat starts and continues running on the server after I disconnect. When I run it remotely, the process starts, (I can see it when paused for the "read"), but once the script ends, it's gone. (while paused for the read, run this command locally) ps -ef | grep tomcat I've tried various combinations of nohup, screen, and & on the commands both on the local machine and in the remote machine's test.sh script, but I can't seem to get it working. ssh -t [email protected] "/root/bin/test.sh" ssh -t [email protected] "nohup /root/bin/test.sh" ssh -t [email protected] "nohup /root/bin/test.sh &" ssh -t [email protected] "screen /root/bin/test.sh &"

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• How to best maintain security with a contractor installing a PHP/CodeIgniter/MySQL app?

  - by Greg

  I've been working with an offshore developer on an alpha version of my web app. He's going to be installing it on my server soon, and while I trust him, I also want to be prudent. How can I structure his access to the server and MySQL to allow him to get the app running without exposing more than I need to? I've already got Apache, MySQL, and PHP installed.

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• Looking for Primos "name generation" code

  - by Greg E

  Anyone remember Primos ? It had a shell-level thing called "name generation" which was very useful. Eg. to rename a bunch of files from part1.suffix to part1.new.suffix2 you could say rename *.suffix =.+new.suffix2 That's a very simple example, it was quite powerful. The control characters were: =,==,^=,^==,+ Which meant approximately: match 1 filename component, match all remaining components, delete one component, delete all remaining, add a component. In conjunction with Primos wildcards you could do pretty much any useful file renaming/copying operation very conveniently. It was much better than Unix wildcards and name generation/iteration and I'd like to find it again and use it. Anyone seen it around ? Not much reference on the interweb: search "Primos name generation" and you get a few fragmentary hits. Thanks !

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• Run a server and local wireless network off my laptop with no internet.

  - by greg

  I'm trying to run a wireless network from my computer so that people in range can connect to the network and hit a website running off my machine. I don't want to enable file sharing or remote access or anything else of that nature. I just want them to be able to connect to the network, type in an IP or domain name in a browser, and be taken to a locally hosted website. No broader internet access needed. Any ideas / links to good tutorials on the subject? Is this something i can achieve with just a wifi card or will need a router?

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• Thank you South Florida for a successful SPSouthFLA

  - by Leonard Mwangi

  I wanted to officially thank the organizers, speakers, volunteers and the attendees of SharePoint Saturday South Florida. Being the first event in South Florida the reception was phenomenon and the group of speakers from keynote by Joel Oleson to session’s speakers from well renowned speakers like John Holliday, Randy Disgrill, Richard Harbridge, Ameet Phadnis, Fabian Williams, Chris McNulty, Jaime Velez to organizers like Michael Hinckley amongst others. With my Business Intelligence (BI) presentation being on the last track of the day, I spent very quality time networking with these great guys and getting the insider scope on International SharePoint Community from Joel and his son which was mesmerizing. I had a very active audience to a point where we couldn’t accommodate all the contents within the 1hr allocated time because they were very engaged and wanted a deep dive session on news features like PowerPivot, enhancements on PerformancePoint, Excel Services amongst others in order to understand the business value and how SharePoint 2010 is making the self-service BI become a reality. These community events allows the attendees experience technology first hand and network with MVPs, authors, experts providing high quality educational sessions usually for free which is a reason to attend. I have made the slides for my session available for download for those interested http://goo.gl/VaH5x

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• When a restore isn’t really complete

  - by John Paul Cook

  This week I discovered that restoring from a full backup doesn’t always restore SQL Server to the same state it was in when the backup was made. There are three settings that, if enabled, are not restored after a database restore. Thanks to Greg Low for pointing out that the list of affected settings is found in the SQL Server 2008 Upgrade Technical Reference Guide from which I quote: · is_broker_enabled · is_honor_broker_priority_on · is_trustworthy_on Detaching and attaching a database will also...(read more)

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