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• Blocked connections passing through firewall. What is wrong?

  - by Kiranu

  In our company we have a small business router (Cisco RV082) on which we are using its standard configuration (block all incoming traffic). We also have an SMTP relay configured (using WS2008R2) so that our internal applications can send email through google apps (which requires authentication). The thing is that the server was being used to send spam. We fixed the problem by only allowing the server to relay email from our internal IP address range (10.0.0.0/16). My concern is that there was a way by which external IPs connected to the network and that underlying problem has not been fixed, but I cannot imagine how these machines connected. Any thoughts?

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• I'm running Ubuntu notebook on a USB drive with 1GB persistence. Where are my XAMPP files?

  - by CDeanMartin

  I just began running Ubuntu Notebook on my 2GB USB stick, with 1GB persistence. After I installed XAMPP, I rebooted to make sure the persistence was working. It worked! My XAMPP installation worked, and it comes up when I type localhost into the browser. The sample apps work, including the ones using MySQL. But I can't find the application files! I am used to the vast labyrinth of files in Windows Explorer, and looking through 'Files and Folders' in GNOME, there seem to only be 7 or 8 folders in the entire OS? What is really going on here? I looked through them all and where is XAMPP? When I code PHP with a WAMP stack, all the .php files go in the 'WWW folder' What is the Linux equivalent of the WWW folder?

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• Multiple Instances of aspnet_wp.exe?

  - by Mike Keller

  Is this normal? I was poking around Google and from what I found it should be, but we have 60 of them going, and only two .NET apps running on this particular server. All of them are at 0% CPU and at about 3meg of memory usage. We can't really restart the server right now to see if that clears them out, we store a lot of data on it that people need regularly. Any clues for investigating this issue would be appreciated. This particular box is an oldie Windows2000 and .NET 2.0 Thanks.

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• Sudden loss of Wi-Fi connectivity on OS X

  - by GJ.

  Occasionally while I work, without any special provocation, I lose connectivity via Wi-Fi. Other devices connected to the same wifi network have no interruption, and the problem gets resolved once I reboot my MacBook Air, so it's definitely a local problem. Observations: The Wi-Fi symbol in the menu indicates that I'm still connected, but apps can't actually connect neither to the Internet nor to other devices in the LAN. I can't connect to an alternate Wi-Fi network (e.g. Wi-Fi tethering via iPhone). I can connect to the Internet via iPhone USB tethering but this seems to only work some of the time. Only a reboot solves the problem but a regular restart gets stuck on a grey screen with rotating wheel (after all applications have closed) and I have to do a hard reset. How should I go about troubleshooting this? It used to happen very rarely but now is becoming more frequent (approaching once every 2-3 days on average).

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• Windows 7: How to prevent Windows from caching my desktop wallpaper

  - by rmartz

  I have a service running that renders a changing wallpaper every 5 minutes or so, and replaces the current image file with the new one automatically (That is to say, new image but same filename). On Linux, the change is detected almost automatically, and so I have the most current wallpaper. However, on my Windows 7 machine (Which syncs the image with my Linux machine over Dropbox), it appears to cache the wallpaper from the last time I manually set the wallpaper. The image never changes, even if I restart. Is there a way to make Windows detect the file change, or periodically refresh the wallpaper cache? I'd like to avoid third-party apps if at all possible.

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• VMWare Converter recommendations

  - by Tank Szuba

  I have two Ghost 14 backups of my machine. One for the machine fully configured with apps after and XP install and one of the last update before i re-imaged it (it's XP, I re-image about once every six months). I recently wanted to try simply using my initial image in a virtual environment to do my testing that generally causes me to need to re-image. I used the VMWare converter to convert the Ghost images to a virtual machine to use in Virtual box but they fail to properly boot. They get stuck after the bios loads and windows begins loading. If I power down the machine and refire it it will go to the error screen in windows that asks if you would like to boot to a different mode. none selected make any difference. What are some possible errors I should look for in the conversion process or in my settings for the converter?

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• rdesktop + seamlessrdp + virtualbox slow on Windows

  - by Claudiu

  I'm trying to get VirtualBox seamless mode to work on all of my monitors at once. I was directed to this link, so I followed the instructions, using the windows port of rdesktop 1.6 found here, and using Xming as an X server. I eventually finally got it to work! However, it's really slow. While VirtualBox's regular seamless mode is as performant as if I was running apps on my host machine, with rdesktop it takes 1-2 seconds to register any user input. Dragging windows around is laggy and buggy (pieces of the desktop behind the window show through). I'm simply connecting to localhost, so network bandwidth/latency shouldn't be an issue... anyone have any idea why it's so slow and what I can do to make it more performant?

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• Allowing non-admins to run programs as admins on Windows 7

  - by Josh

  On *nix, admins can use the setuid flag to allow non-admins to run certain programs that would otherwise require admin privileges. Is there any way to do something similar in Windows 7? This question has been asked here before for Windows XP, and the answers were generally unsatisfying. I'm wondering if Windows 7 provides a better way. One idea I can think of would be to use Microsoft's Subsystem for UNIX Applications, but I'd rather not install that on every user's system if I can avoid it. Another idea I can think of (which would work on XP too, but I haven't seen it mentioned anywhere) would be to create a RunAsAdmin application that runs as a service, that takes a whitelist of "safe" apps and can be asked (from a command line, batch file or script) to run any program on the list as LocalSystem or whatever account the service uses. Is this possible? Are there any solutions that aren't as clunky as those? Or, has anyone implemented either of the above techniques successfully?

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• How do I set up a virtual host?

  - by user1698332

  My router redirects port 80 to port 8080. This is my virtual hosts file: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot /home/admins/lampstack-5.3.16-0/apps/wordpress ServerName example.com ServerAlias www.example.com </VirtualHost> I can access my website by entering "mywebsite.com:8080" but I cannot access it by entering "mywebsite.com" For further information, this is a part of my httpd.conf: Listen 8080 Servername localhost:8080 DocumentRoot "/home/admins/lampstack-5.3.16-0/apache2/htdocs <Directory /> Options FollowSymLinks AllowOverride None Order deny, allow deny from all </Directory> <Directory "/home/admins/lampstack-5.3.16-0/apache2/htdocs"> Options FollowSymLinks AllowOverride None Order allow, deny allow from all </Directory>

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• How to tell if OpenGL is really working in Ubuntu 10.04

  - by Jonathan

  I have a lenovo S9e running Intel integrated graphics. Here is my lspci output related to the graphics: 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) Subsystem: Lenovo Device 3870 Flags: bus master, fast devsel, latency 0 Memory at f0580000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2 I want to know how I can make sure OpenGL support is running in full on an Ubuntu 10.04 installation. I have a few hints to think that it is not: The "Desktop Effects" will not load Apps such as stardock, when attempting to use OpenGL rendering, will display black boxes instead of transparency In the games Pioneers, the number-tile icons are suspiciously just black circles Windows games running with Wine will only support software rendering, not hardware rendering When I boot into a Knoppix LiveCD, the desktop effects do work, splendidly, meaning compiz detects my computer as capable. My problem with troubleshooting is that Canonical has basically eliminated the conf-file-based mechanism of X11 as far as I can tell, thus making it even harder to ensure graphics modules are loading properly. How do I debug and test OpenGL on m Ubuntu 10.04 installation?

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• On Mac OS X how can I monitor what is using my internet connection?

  - by Jon Hopkins

  I've got a relatively limited broadband connection (I live miles from the nearest exchange) and from time to time net access (but nothing else) slows to a near crawl. I know from a bit of monitoring software that the connection is being fairly heavily used which would explain it but I don't know what's using it. There are certainly plenty of things which might (these days there are dozens of apps that will either regularly or infrequently check data or download updates) but how can I find out? I'm happy to pay (a small amount of) money if needed, though in that case I'd rather it were a recommendation that me just Googling for something.

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• How to force-resize a window in OS X ?

  - by cwd

  I remember from my Windows XP days that there was a utility that would let me re-size non-re-sizable windows. Is there something like that on OS X? I'm using PandoraJam and it is sort of iframing the pandora player. Pandora has recently changed the size of the player and PandoraJam has not caught up. I can hit the green zoom button but that changes it to a much bigger player with ads. It would be nice if there was a utility that would just let me force-resize it. This would also be handy for a few other apps too. Thanks!

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• Setting DNS Siffix for multiple network adapters in a VM

  - by arun_bh

  Is there a way to set the DNS Suffix for multiple network adapters in a VM using the sysprep file? We are trying to setup Windows 2003 VMs with 2 network adapters. In the one adapter case the sysprep we are able to set the suffix using DNSDomain. But this doesnt work in the 2 adapter case. The The VM is setup corrently though without any issues but one of our apps relies on the DNS Suffix value to work correctly. Thanks in advance.

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• Postfix - exclude messages with specific header values from relayhost?

  - by Kyle MacFarlane

  Starting with the following basic configuration to relay all messages in Postfix to PostMarkApp.com: #start postmarkapps settings smtp_sasl_auth_enable = yes smtp_sasl_password_maps = static:secret:secret (where "secret is your API key") smtp_sasl_security_options = noanonymous relayhost = [smtp.postmarkapp.com]:25 #end postmarkapp settings The problem with this is if for example something starts spitting our error messages they will all go through PostMark and cost money. One way to bypass relayhost is to setup sender_dependent_relayhost_maps and have certain addresses map back to yourdomain.com. But this doesn't work in web apps where all messages are sent by the same user but with varying From headers. So how can I achieve the same effect as sender_dependent_relayhost_maps but looking at the From or Subject headers instead of merely the user?

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• Any InstallPad alternatives?

  - by ianfuture

  Hi, I'm about to install new bunch of software on a Windows XP Pro PC and found InstallPad as a potential method to do it all. However before using it I was wondering if there were any other similar apps that could be better or easier to use? Requirements (should haves more than must haves): - Free - Easy to use and configure - preferably from point and click in a GUI instead of command line params or config files - Robust - bug free or still in active/ongoing development - Some level of support or active community for help or tips - Pre-existing file lists that can be adapted for own use or used outright. Thanks in advance.. Ian

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• How to prevent Spell checking code in MS Office?

  - by Aaron

  We use MS Office. Outlook for emails, Word for some documentation and I use OneNote a lot for my own note taking. What bugs me is when I drop some code or use key words or even camel case into these apps the spell checking picks them up and I have red squiggles everywhere. Ignore is pretty much useless, so either I have to turn off Spell Check altogether start adding these to the custom dictionary. What would be good is if I can use the Set Language function to mark a whole block of text to just not be spell checked. Has anyone found a nice solution to this or do you know of a blank dictionary is best to use? I found using "Mohawk" kind of does that... might just use that for now. Maybe create a macro to switch between them.

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• Why would a FaceBook application "work" on a profile, but not a page?

  - by edt

  I made a FaceBook application that works fine on profiles, but I can't figure out how to get it to show on a FaceBook page. For example, after I visit the application canvas URL, allow the application, then edit application settings and "add" to box and tab view... I cannot click the "plus" symbol to the left of the tabs in order to add a tab for the application. It does not appear in the list of available applications. Meanwhile, the application is working/showing up on profiles with no issues. I DID check the "Installable to Pages" checkbox on the application (authentication tab) settings. What could cause this? Here is the application canvas URL: http://apps.facebook.com/russian_girls/

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• SSL certs or intermediate for DMZ

  - by rex

  I've been tasked with deploying and managing load balancers covering internal servers and DMZ servers. I have no experience with this, and this is a first for my organization as well. Balancers are up, running, legit. Currently we are using a self-signed cert for Exchange/OWA. I know that we should have a cert signed by a CA, but the balancer has options for SSL cert or intermediate cert, and I'm unclear on the difference, or on which we need. We will be hosting Lync, Exchange and some custom apps in the DMZ. disclaimer: Apologies up front, I'm desktop support. I recently passed my Net+. It seems that has made me the network engineer in this organization.

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• Monitoring host and app parameters in real-time

  - by devopsdude42

  I have a bunch of VMs that I need to monitor in real-time. For all nodes I need to watch host parameters like load, network usage and free memory; and for some I need app-specific metrics too, like redis (some vars from the output of INFO command) and nginx (like requests/sec, avg. request time). Ideally I'd also like to track some parameters from the custom apps that run on these node too. These parameters should get tracked as a bunch of line charts on a dashboard. I checked out graphite and it looks suitable (although the UX and aesthetics looks like it needs some love). But setting up and maintaining graphite looks to be a pain, esp. since we don't have a full-time person just for this. Are there any alternatives? Or at least something that is simpler to setup and will scale? Reasonable paid services are also ok.

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• Changing DNS - Forgot to change MX records for one month - Is there a way to retrieve emails that we

  - by Chris Altman

  We have our own domain. Our email is hosted by Google Apps. We switched web servers and name servers to a new provider. In the switch, I forgot to move the MX record. When people tried to send emails to our domain, there was no bounce back. We fixed the MX record and now receive email. Is there anyway to retrieve the emails that were sent in the month when there was no MX record? I doubt it because there was no MX record on our name server. Where would the emails have gone since they did not bounce back?

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• Automatic switching between "digital output" (HDMI) and built-in speakers in Vista

  - by Laurence Gonsalves

  We occasionally connect my wife's laptop, which runs Vista, to our TV. Whenever we do this we have to manually switch the default audio output to "digital output" for the sound to go through the HDMI connection, and we also have to restart any apps that we want to send sound to the TV. We then have to perform a similar process when disconnecting. Is there any way to just have this be automatic? It seems absurd to have to do so much manual fiddling when a 40 year old transistor radio is "smart" enough to turn off the speakers and send sound to the headphones when headphones are plugged in. In case it helps, the name "RealTek" shows up in the sound card settings dialog.

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• Uninstall SQL Server 2005 Express after Demoting the DC

  - by Walter Aman

  A Windows Server 2003 SP2 hosting a now orphan installation of SQL 2005 Workgroup was pressed into service as a DC in a disaster recovery scenario. It has since been demoted. The server also hosts legacy apps for which we lack reinstallation resources; thus our desire to preserve it as close to intact as possible while removing the orphaned roles. All efforts to remove SQL 2005 thru Control Panel and ARPWrapper /remove fail with error 29528. Should I abandon this and leave the orphan SQL dormant, or is it reasonable to remove it post-demote?

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• Can't drag files from Explorer into Notepad++ running as administrator on Windows 8

  - by Luke Foreman

  If I have Notepad++ running as administrator, I can't drag files from explorer on to it (they are rejected with the 'stop' cursor) and if I try to use the explorer extension right click 'Edit with Notepad++' it throws an error. Opening the files using the Notepad++ 'Open' dialog, or even double clicking them in Explorer works as it should. (Note double clicking is not a solution as very few of the files I want to open are default to Notepad++) I have UAC set to 'never notify'. Using the hack where UAC 'admin approval mode' is disabled fixes the issue, but kills the ability to use Metro apps.

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• How to manage several Linux workstation like a cluster?

  - by Richard Zak

  How does one go about managing a lab of Linux workstations? I'd like for users to be able to log in, run their GUI apps (LibreOffice, Firefox, Eclipse, etc), and for the computers to be able to be used as compute nodes (OpenMPI). This part I'm fine with. But how can I centrally deploy a new software package or upgrade an installed package? How can I reload the entire OS on a given node, as if these workstations were part of a super computing cluster? Is there a nice program to help with setting up PXE booting and image management, and remotely managing packages? Ideally such a system would work with Ubuntu. If there isn't a nice package, how could this be set up manually?

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• Windows 8 Start Screen: Show programs in order of most frequently used

  - by Johnny W

  For me the Windows 8 Start Screen is just a great bit version of the old Start Menu, but unlike the Start Menu, it doesn't seem to order programs by frequency of use? Consider the following: While I DO use Chrome, Steam, and iTunes a lot. I've never ran Adobe Media Encoder, nor Adobe Extension Manager, nor Acrobat Distiller, or indeed most of the things on that list! Or there a way to change sorting to most frequently clicked on? Or perhaps even create FOLDERS in which to group items (e.g. "Adobe Apps" or "Games" or "Microsoft Office"?). Dragging them one at a time takes an age!

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