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• dns update frequency

  - by Roderik

  I was looking after the frequency of dns updates, since I had to change the location fo the vps that hosts the domain contents. What I ussualy read is that it takes up to 72 hours to get these changes propagated, sometimes this can be sooner based on your location. I changed the nameservers for the domain vasco-da-gama.nl about a week ago. When I ping the domain name from different locations it still points the old vps (which does not exist anymore). I was wondering if its normal that it can take this long for the change to point my new vps? If I might have done something wrong here, where should I look for it (it looks all ok, when I check it). If it is reachable from your location (if so, its probably a matter of time it will propagate to my location).

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• Where do I learn about IP blocks and subnets? Or is there just a calculator that does it all for me?

  - by cwd

  Amazon's elastic compute tool (among others) requires the ip block format for their command: ec2-authorize websrv -P tcp -p 80 -s 205.192.0.0/16 I may be doing this wrong, but as far as I can tell I need to use the block format even for a single IP address. 1) So, how would I do that for this IP? 71.75.232.132 Several years ago I took a CCNA class, and I remember going over IPs and subnets, masks, broadcast addresses, class a/b/c networks, etc. However a lot seems to have changed since then - for example I don't think you can tell what "class" a network is in just by looking at it anymore - sometimes they could be multiple classes. 2) Anyhow, my second question is where do I go to get a refresher on all these things? 3) Or should I just be using ipcalc or an online calculator to do it all for me - and if so, which one?

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• What's Your Favorite Harmless Computer Practical Joke?

  - by Ben Griswold

  A couple of months ago, I returned from lunch to find that typing any key launched a random application. As I always lock my machine before walking away from it, my first thought was that a co-worker was playing a practical joke on me. As it turned out, the cause was random computer wonkiness. But just in case there's a need :), what's your favorite harmless computer practical joke? For example, would you alter host file entries to direct google.com to a random site or would you put tape over the optical sensor of a co-worker’s mouse?

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• Remote Installing OS X 10.5 on a PowerBook G4

  - by QuixoticAspie

  I recently acquired a PowerBook G4 (always loved the PPC architecture over Intel when it comes to Apple), currently it has OS X 10.4 installed. Unfortunately I can't find the original 10.5 install disc I had, though I made an ISO of it some time ago, which I've now burnt to a DVD-R DL disc (the SuperDrive is a DVD-R only iirc). This disc keeps being ejected by the PowerBook G4 (reads other discs just fine, except one). So I've been pondering doing a remote install, however the instructions I've seen are for MacBooks - I have DVD or CD Sharing installed, but the part in the instructions (http://guides.macrumors.com/Complete_Steps_to_Perform_a_Clean_OS_X_Reinstall_on_Your_MacBook_Air#Using_Remote_Install) about the 'Install Assistant', I don't get such a thing - only the BootCamp Installer. So my question is: How do I go about doing a remote install on this PowerBook G4? Or is there another alternative, without forking out on a new drive?

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• MySQL replication not working on leap day

  - by danneth

  Though out of my "core" knowledge I maintain a two-way replicated MySQL database (primary and backup). It's been working fine mostly. All changes are almost instantly replicated between the two servers. But now I've noticed something strange: I have a couple of cases where there are no replication on feb 29th. Admittedly I have not yet confirmed that all replication is lost. But all cases I've found so far have had this issue. Not too long ago I changed timezone from UTC to CET on the backup, it has been CET on the primary all along. Am I fixating on this because it happened on the leap day, or could there be something to it? The servers are both CentOS 5.4 with MySQL 5.0

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• Cannot select fields with the mouse Windows 7

  - by Nick

  Lately I cannot select a word (field) with the mouse. When I left click on a field drag the mouse to the end of the field then release the button, the selection (blue shading) disappears. Sometimes after several tries the shading stays and I can delete the field. Up to a week ago everything worked fine. Is this a bug, virus? I am using Windows 7 Also, in Live Mail after I finished reading an item in the Inbox, I click the X in the upper right corner to return to the rest of my mail, but instead it takes me back to the desktop and have to double click the Live Mail again to continue. Again this only happened recently. Things worked OK before and this does not happen regularly.

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• Linux Logitech QuickCam Pro 9000 - microphone issues

  - by drahnr

  I got a Logitech Quickcam Pro 9000, the cam itself is working as it honors the UVC spec. This fancy WebCam has a integrated mic which worked some time before but now, it does no more. (Note: I use pulseaudio as it is a USB Mic and I am not really keen on the hassle of ALSA setup) Things I check already are if it gets detected at all: $ lsusb |grep Logi Bus 002 Device 002: ID 046d:0809 Logitech, Inc. Webcam Pro 9000 is muted in alsa-mixer - not the case, volume at 100 pavucontrol shows it too, but no input level bar! On top of that, if I open the gnome3 (fallback mode) audio panel(from the desktop panel), and disabel/reenable it in the hardware tab, it works "for some time"... Any hints? Any ideas? I am really out options for now, and the fact it worked like 6 months ago (perfectly) makes it no better.

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• ntpstat response fine but server time out of sync

  - by zedoo

  Hi, I found out that the ntpd service that I've set up a few weeks ago on a Centos5 machine doesn't correctly synchronize the server time. I detected an offset of more than 5 minutes (by stopping ntpd and executing ntpdate). After setting up the service I checked the setup via ntpstat: [xxxx@xxx ~]$ ntpstat -q synchronised to local net at stratum 11 time correct to within 10 ms polling server every 1024 s I repeated this check every day and it always showed this output. Doesn't this output tell me that the server time is sane?

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• How do I get VDPAU working with Ubuntu 9.10?

  - by Brad Robertson

  What do I need to do to get MKV HD videos playing with VDPAU and also Blu-ray discs? Lots of people say you need to compile the latest MPlayer (which I haven't had luck doing) for VDPAU. I found an mplayer ppa that says it has VDPAU compiled into it so I'd like to use that. What packages do I need for playing MKV files and Blu-ray with the video decoding offloaded to my GPU? So far I haven't had any luck with any of the tutorials I've found. I'm just looking for a quick synopsis that will tell me what I'm looking for as I'm kind of shooting in the dark. (I didn't know what VDPAU was until a few days ago.)

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• Mini-DisplayPort to HDMI Adapter Sound Stopped Working

  - by jimdrang

  I have cancelled cable and want to watch the NCAA tournament games on my TV tonight through my 2011 Macbook Pro where I can stream the game in a browser. I have a cheap Mini-DisplayPort to HDMI converter that I have connected to my TV in the past and had no issues with audio or video, the problem is the audio has stopped working since the last time I used it a few months ago and now just keeps playing through the laptop speakers, but the video works fine. Everything with my setup is the same and when I try to force the audio output to the TV in the Audio system settings, my TV is not listed as an output option at all. I have tried various combinations of power cycling, replugging-in both devices and making sure the TV options are set properly to receive audio through HDMI but no luck. Anyone know what the issue could be?

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• Freezing with black screen after booting OS with AMD Catalyst driver

  - by Oleg

  I have ATI Mobility Radeon HD 5470 on my HP laptop. A few weeks ago I was confused with a weird trouble in proprietary drivers for my graphics card. When I start X server (or just boot Windows) system sometimes totally hangs up with black screen. The most annoying thing is that issue appearing is absolutely random (2 success, 3 fails, 1 success, 7 fails, etc.). It appears both on Linux (Arch, Debian 7) and Windows XP. I've tried reinstalling OS, drivers, etc. I've also tried updating BIOS. Then boot was successful for the next few times and issue appeared again (probably it was just a coincidence, because another BIOS updates gave no results). I really don't know what to do. Any ideas?

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• HP Envy 14, Ubuntu 10.10 and trouble with the graphics cards

  - by Carsten Gehling

  A few days ago I bought a HP Envy 14, containing 2 graphics card: An integrated Intel graphics card, and an ATI HD 5650. I've installed Ubuntu 10.10 32-bit on the machine. Most things work fine out of the box, but the graphics cards are giving me trouble. When booting, I get the message "failed to get i915 symbols, graphics turbo disabled". Then the screen blanks out during the remaining boot period. I am able to get the display working by changing to one of the consoles, then closing and opening the laptop's lid. It seems that Ubuntu gets confused about which card to use. I've read here: http://www.andreas-demmer.de/en/2010/07/18/testbericht-linux-auf-dem-hp-envy-14 that I should be able to turn off one the cards by echoing keywords into /sys/kernel/debug/vgaswitcheroo/switch, but that path is not available on my system. The BIOS does not have any methods to switch of the ATI card. Help anyone? /Carsten

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• HP Envy 14, Ubuntu 10.10 and trouble with the graphics cards

  - by Carsten Gehling

  A few days ago I bought a HP Envy 14, containing 2 graphics card: An integrated Intel graphics card, and an ATI HD 5650. I've installed Ubuntu 10.10 32-bit on the machine. Most things work fine out of the box, but the graphics cards are giving me trouble. When booting, I get the message "failed to get i915 symbols, graphics turbo disabled". Then the screen blanks out during the remaining boot period. I am able to get the display working by changing to one of the consoles, then closing and opening the laptop's lid. It seems that Ubuntu gets confused about which card to use. I've read here: http://www.andreas-demmer.de/en/2010/07/18/testbericht-linux-auf-dem-hp-envy-14 that I should be able to turn off one the cards by echoing keywords into /sys/kernel/debug/vgaswitcheroo/switch, but that path is not available on my system. The BIOS does not have any methods to switch of the ATI card. Help anyone? /Carsten

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• Is there an easy way to read blu-rays on Windows?

  - by ereOn

  Some time ago, I bought my parents a computer dedicated to medias (mostly photographs and movies trough DLNA). My father asked me if he could read blu-ray on it, so I bought a blu-ray reader but I can't find a software to do the playback. I installed PowerDVD (a free version we got with a Blu-Ray) but it seems it now requires a (non-free) upgrade. Even if it were free, I hardly see my parent do the upgrade by themselves as they barely understand how computers work. I thought I would find a free software (something like VLC, but for blu-rays) but so far had no luck. Do you guys have a software to suggest that would solve my issues ? It should run on Windows Vista, shouldn't require an update every monday, or at least a free one. Thank you very much.

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• Monitor flashes black when starting video files, opening folders with video files

  - by Bob

  My entire monitor flashes black for a second or so when starting any video file. It does the same thing when closing the file. It also does this when opening a folder that has video files and a thumbnail view, or when I do anything that presumably accesses the video stream inside a video file. It happens in VLC and Windows Media Player, though it occurs to me certain video editors I have like avidemux and virtualdub don't have that issue when opening video files... It also does not happen when watching flash-based videos on web sites. It doesn't seem to happen when Quicktime. I went through and uninstalled any extraneous programs a week or so ago and didn't see any change. I also updated the graphics card driver. What can I do to troubleshoot/fix this?

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• Best Pratices for a Network File Share?

  - by Chris

  So we have a file share that was started 10 years or so ago and it started off with the best intentions. But now it's gotten bloated, there's files in there that nobody know who put them there, it's hard to find information, ect ect. You probably know the problem. So what I'm wondering is what do people do in this situation. Does anyone know of a decent program that can go through a file share and find files that no body has touched? Duplicate files? Any other suggestions on cleaning this mess up?

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• Notepad Automatically Launches Upon Boot Up of my Windows 7 64-Bit Desktop PC

  - by Simon

  Around 12 months ago, When my Windows 7 PC boots up, Notepad started to appear automatically on the desktop (as a duplicate ie one on top of the other), both displaying the same writing inside, and the name of the Notepad was: desktop-Notepad. [.ShellClassInfo] LocalizedResourceName=@%SystemRoot%\system32\shell32.dll,-21787 I cant remember the exact details as its been so long now but a friend told me, this was due to a "hidden attribute" belonging to notepad becoming "unhidden"and therefore showing itself on the desktop at startup. He showed me a series of steps to either hide the attribute again or to delete it ( telling me that upon restart of my computer it would be recreated/regenerated.) I did indeed follow his guidance however after trying to hide it or delete it (it was never recreated after restart which supposedly it should have done) One notepad still is autolaunched with the text as shown above everytime I startup my PC. As I found this forum I thought I might try again for a solution to prevent notepad from launching. Thankyou

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• Windows 8.1 upgrade created a second recovery partition. Can I remove the original?

  - by Dave S

  Windows 8.1 upgrade created a second recovery partition. Can I remove the original? Prior to this the partitions were Recovery, EFI, OS(C:), Data(D:). After the upgrade partitions are Recovery, EFI, OS(C:), Recovery, Data(D:). The first Recovery partition is 1023MB the second is 350MB The "Create a system image" tool selects the EFI, OS(C:), and the second 350MB Recovery partitions. The first 1023MB Recovery partition is not listed, I have to "assume" it is now redundant. The factory (HP) Recovery Partition was removed using the HP provided tool after creating recovery disks, and the D: partition created months ago.

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• How to remove "com.starfield.backupservice" from launchd?

  - by user556623

  I remember sometime ago, I uninstall an application called starfield, but probably I didn't do a clean uninstall. Now in Console, I always see a annoying message: com.apple.launchd[1] (com.starfield.backupservice[4441]) Exited with exit code: 1 com.apple.launchd[1] (com.starfield.backupservice) Throttling respawn: Will start in 10 seconds com.apple.launchd[1] (com.starfield.backupservice[4442]) posix_spawn("/Applications/Starfield/BackupService/offSyncService", ...): No such file or directory I know it could be something wrong with my installation, how can I do a clean uninstall now, or just fix this issue, I don't want to see this message from my console any more. Thanks.

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• Converting videos to AVI with AVIDemux for compatibility

  - by Synetech

  I am trying to convert a couple of short videos to AVI (XviD) using AVIDemux. I find that while the resulting videos play fine in VLC, they do not play in an XviD DVD player (nor presumably Xbox 360, PS3, etc.). In fact, they do not even show in Windows Explorer (that is, Explorer cannot read their metadata or display thumbnails). I tried using all three of the AVI Muxer Output Format options, but none worked. Does anyone know what settings to use to produce compatible AVIs with AVIDemux? (I found an old thread where someone complained about AVIs not working on Xbox, but that was a few years ago from an older version.)

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• Strange problem with Exchange client connection

  - by Sam Cogan

  I've got a strange problem with an Exchange 2007 server running on SBS 2008. It's been working fine for users for the last 5 months, then 5 days ago they started getting a problem where Outlook would popup a window asking for credentials. If the user enters there credentials it pops up again and again, however if the user cancels the box it goes away and outlook continues to work fine. These clients all connect using Outlook Anywhere, and OWA access is also working fine. I had thought this message box may have been to do with other POP or IMAP accounts being configured in Outlook, but it's not the case. I have re-configured Outlook Anywhere on the server but to no avail. Using the RPC diagnostic tool in Outlook shows no problems. There are no errors showing in the event log. The server seems to be running fine, so to me this seems like either a client, or an RPC over HTTP issue, but I'm not getting anywhere finding the cause, any help is appreciated!

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• Recommended boot partition size for Windows 7

  - by dwj

  I started using One Big Partition for everything and separating data out with folders when I got my current computer years ago. I'm preparing to upgrade my system from Windows XP to Windows 7 and I thought I might go back to putting my data on a separate partition. Most likely I'll just use the default OS install. My current Program Files tree has ~16 GB of stuff. Thinking ahead though, I've had XP installed for years. Who knows what apps I'm going to install down the line? This, of course, begs the question: How big do I make my Windows 7 install partition?

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• How do internal smtp servers send mail to internal mail servers on the network?

  - by dmr83457

  We have upgraded our internal corporate email server and the IP address has changed internal to our network. A second email server is used for sending bulk jobs for a mailing list service that we offer. Since the switch of the internal corporate server IP we have been seeing problems when the bulk email server is trying to send email to our own domain. The log shows that it is still trying to hit the old corporate server instead of the new one. I have looked through all settings for the bulk email software and see nothing set there to send to internal mail servers, and I do not recall doing anything special to get this working when setup a couple years ago. Is there a setting in Win2003 or on the network that enables the mapping of MX record external IPs to internal IPs so mail gets routed correctly?

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• SQL Server 2008 update License

  - by Leo

  How can I change my SQL Server 2008 license? I have the Enterprise Edition installed with a 90-day key and it will expire on 7 days. Two months ago, I purchased the final one but I don't know how to install/change to the new one. Is there a legal way to do it or I have to uninstall completely the application and reinstall it with the new license? I don't want to do that because I already have setup some stuff on the current instance. Saludos, Leo

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• Sharepoint Services 3.0: 403 Forbidden fun

  - by gravyface

  Can't get to the Administration or the "companyweb" site itself; was working up to a week ago. Old threads, blog posts, etc. indicate that there was an issue with a KB update but was resolved when .NET Framework 2.0 SP1 was deployed/installed. Running Process Monitor, I can see a lot of PATH NOT FOUND','NAME NOT FOUND for c:\inetpub\companyweb\Default.aspx, \_themes\ice\...\foo.css, etc. for the w3wp.exe process on CreateFileorQueryOpenoperations. These files do not exist in the location specified. I don't recall these files actually existing in that folder, but I believe they're "created" when requested, pulled in from Common Files/Shared or whatever, in typically-awesome Microsoft Web architecture land (</rant>). Besides reinstalling (which I'm sure will be as much fun as migrating from one server to another was), anyone know what's going on? Google-fu has alluded me.

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