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• Converge Voice and Data networks using Sonicwall

  - by skinneejoe

  We are looking to converge VOIP and Data traffic onto a single wire so that our client's VOIP phones pass data through to the users computer. We are specing out a new Sonicwall NSA appliance to handle routing functions and layer 2 switches to manage VLANS. Not a huge network, medium sized. What should I know about converging the networks onto a single wire? Obviously I'll want to prioritize voice traffic, is this handled solely in the Sonicwall with QoS configurations or do the layer 2 switches need to be configured differently? Any other pitfalls I should be aware of, or any good resources for learning more?

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• Best memory-efficient web browser for Ubuntu?

  - by Steve K

  I've installed Ubuntu 10.10 on an old laptop with only 756 MB of RAM, Pentium M 1.6 processor. I'm using Google Chrome 11.0 (dev channel) for web browsing, and it appears to be using up most of my memory and processor time. Does anyone know of a better browser than Chrome on Ubuntu, for an older computer like mine? I'm new to Ubuntu, so there may also be tweaks I can make to my existing system to have it perform better. But right now it's pretty slow when I've got ~5-10 tabs open. Related question: memory-efficient web-browser

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• From a quality perspective, what is better: Turning volume up in the software, in the OS, or on the speakers?

  - by Qqwy

  I kept thinking about this, and out of sheer curiosity, I decided to ask: If music isn't loud enough. How do I get the best quality?(Even if the difference is in fact so small it's neglectible) By making the music louder in my music player, game or other sound-producing software program. By raising the volume at the Operating System level (for instance, by clicking the 'speaker' icon on the windows bar and turning the volume up) By turning the volume up on the Amplifier or Speakers that are attached to your computer, and thus changing the volume on the 'hardware' Does programs vs OS matter? Does software vs. hardware matter? Thanks, Qqwy

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• accidentally concatenate a large file on a remote system

  - by Dan

  Every once in a while on a computer I'm ssh'd into, I will accidentally type "cat largefile.txt" and my screen will start rushing with text for the next 10 minutes. I'm always working in a screen session, so my current solution is to just log out and then log back in, and since it can go 100X faster when I'm logged out, it'll finish in the short time it takes me to type my password in again. Is there a better way? Either involving the fact I'm in a screen session? Or a way to do this within SSH? What doesn't work: detaching from the screen session (doesn't respond until file is done outputting) trying command to move to a different window in the screen session (also doesn't respond) typing ctrl+C to kill cat command (also doesn't respond, probably because the command is done and the buffers just have to catch up)

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• Creating a bootable flash without overlayfs

  - by Septagram

  I want to create an USB stick to carry my Ubuntu everywhere around with me. It's not intended to spread Ubuntu by installing it everywhere, but rather for running my configured system on any computer I come across. So far, I went with installing Ubuntu with unetbootin, however, I have some issues with this. When installed with netbootin, the original disk image is kept intact on the flash drive, forever. Also, a file is created for persistent storage and during boot it is accessed together with the image by overlayfs. This, in my opinion, has the following problems: If system is updated regularly, then files from the image are overwritten in persistent storage, doubling their size and wasting precious space. Persistent storage has a fixed size that you have to define from the start, again, wasting precious space. I'm not 100% sure, but maybe using overlayfs makes disk access slower, and more so on the relatively slow devices. So I'd like to find another solution: either to get rid of the original image or to install Ubuntu "normally" on the separate ext2 partition, or maybe even install it in the main vfat partition on the USB stick. Suggestions?

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• Broadcom BCM4313 takes ages to connect

  - by Drazgo

  I'm having issues with my broadcom BCM4313 wireless adapter. Everything works just fine when connected (with additional drivers & Connman), but it takes about 5 minutes to connect to my network when i just started my computer! When resuming from hibernation it goes very quick though, so just when I boot my pc it's taking forever... This is what I found in the dmesg output: [ 16.778057] eth1: Broadcom BCM4727 802.11 Hybrid Wireless Controller 5.60.48.36 [ 16.808768] type=1400 audit(1295859939.727:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient3" pid=833 comm="apparmor_parser" [ 16.808815] type=1400 audit(1295859939.727:3): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient3" pid=799 comm="apparmor_parser" [ 16.808825] type=1400 audit(1295859939.727:4): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient3" pid=826 comm="apparmor_parser" [ 16.809367] type=1400 audit(1295859939.727:5): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=833 comm="apparmor_parser" [ 16.809415] type=1400 audit(1295859939.727:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=799 comm="apparmor_parser" [ 16.809435] type=1400 audit(1295859939.727:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=826 comm="apparmor_parser" [ 16.809705] type=1400 audit(1295859939.727:8): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=833 comm="apparmor_parser" [ 16.809755] type=1400 audit(1295859939.727:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=799 comm="apparmor_parser" [ 16.809769] type=1400 audit(1295859939.727:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=826 comm="apparmor_parser" [ 16.844083] alloc irq_desc for 22 on node -1 [ 16.844087] alloc kstat_irqs on node -1 Any ideas how come? Thanks in advance!

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• Unable to mount USBDRIVE Error creating moint point: Permission denied

  - by steve

  Whenever I plug a usb into my computer a window pops up and says Unable to mount [Name of USB] Error creating moint point: Permission denied steve@goliath:/$ uname -a Linux goliath 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux steve@goliath:/$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 120.0 GB, 120034123776 bytes 255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0f716ee1 Device Boot Start End Blocks Id System /dev/sda1 1 234441647 117220823+ ee GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes 255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0f710ee1 Device Boot Start End Blocks Id System /dev/sdb1 1 2930277167 1465138583+ ee GPT Disk /dev/sdc: 16.0 GB, 16005464064 bytes 74 heads, 10 sectors/track, 42244 cylinders, total 31260672 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xc3072e18 Device Boot Start End Blocks Id System /dev/sdc1 8064 31260671 15626304 c W95 FAT32 (LBA) steve@goliath:/$ sudo mkdir /media/external mkdir: cannot create directory `/media/external': Permission denied steve@goliath:/$ sudo mkdir /media/usb0 mkdir: cannot create directory `/media/usb0': Permission denied steve@goliath:/$ sudo ls -l / | grep media drwxr-xr-x 3 root root 4096 Oct 3 22:48 media steve@goliath:/$ ls /media/ -a . .. MediaShare MediaShare is the the directory on my server that has all my movies and music. If there is any information I left out please let me know.

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• Unable to install ubuntu on a AMD 64 bit system with a AMD Radeon HD 6670 graphics card

  - by Tom Wingrove

  I’ve been running a dual boot system (Ubuntu/Windows7) for two years or so with no problems. I recently built an AMD 64 Bit System, re-installed Windows but when I went to load Ubuntu inside Windows, hit a snag. The screen view during installation became small square blocks of colour, which obviously is a graphics drive problem. I tried various live disks both 32 & 64 bit for, Ubuntu 12.04, 11.10 & 10.10, all but Ubuntu 10.10 had the same problem. Ubuntu 10.10 loaded ok, installed the presented ATI graphics driver as usual but was left with the AMD Unsupported watermark at the bottom right of the screen. The graphics card installed in the computer is an MSI ATI Radeon HD 6670 (in effect an AMD Radeon HD 6670). I am fairly new to linux and while I can install and tweak the OS, I am rather baffled as to what to do. So my question is will an up to date ATI Driver be released in the near future for installation/live disks? Or am I going to have to downgrade my graphics card to use linux? Yours Tom Wingrove

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• Moving users folder on Windows Vista/Seven to another partition

  - by Click Ok

  When I format the computer and reinstall Windows, my first step is move the "my documents" folder to another partition. In Windows XP it wasn't enough because the desktop folder and another user folders was in the primary partition. Now in Windows Seven and Vista we can use HardLinks to "move" the folder to another partition and Windows and another programs will think that the data is in the primary parition. What the fastest and secure steps to move the Users folder to another partition and to create the hardlinks correctly? Thank you very much!

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• First Installation

  - by Dj Zia

  I had windows xp on my desktop originally. Yesterday we were able to replace this with Ubuntu 12.04 from a thumb drive. The live CD did not work. I am more familiar with the system they introduced me to in School recently. Linux pretty much has similarity all around so I am finding the differences not as much of an issue. So, there were a few issues with the installation and getting Grub to start working. There is the low graphics issue which brings us to the command line basics. I am a little familiar with linux so it isn't too intimidating; I am really good with step by step instructions in simple order. My question is Ubuntu installed with out any basic driver's or generic header's. It also is not connecting my computer to the internet. My system is older not new. For the time it had above average parts. How do I solve the problem of Getting the header's, making sure the right configurations are set, and where do I get the driver's for my white box desktop to run Ubuntu properly? Thank you

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• Good software to record desktop/screen operations [closed]

  - by juanmaflyer

  Possible Duplicate: What is the best software for desktop recording? Hi superuser's. I would like to record some tasks in a program (i want to make a video where i will be explaining how to use a particular program) and i haven't found a good software to do it yet... I have just tested camStudio but when i hit the Record Button the computer starts working very slowly (even when recording in a small area... so i wouldn't imagine how slow it will run if recording full screen). So i want you to recommend me some good software to record the screen on a fast way... Thanks a lot. Juan

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• Can't run minecraft on ubuntu 12.04 lts [duplicate]

  - by user170011

  This question already has an answer here: How to correctly install and troubleshoot Minecraft (Client) 3 answers I was trying to run minecraft on my laptop with ubuntu 12.04 lts 64 bit. I have a lenovo ideapad p580 with 7.7 Gb and an Intel® Core™ i7-3520M CPU @ 2.90GHz × 4 processor. Under the graphics section of the system overview in ubuntu it says I have none installed. My computer comes with and nvidia geforce graphics card but it isnt recognized. When I start minecraft I get this crash report. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 24/06/13 7:23 PM Description: Failed to start game org.lwjgl.LWJGLException: Could not init GLX at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method) at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:52) at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:684) at org.lwjgl.opengl.Display.create(Display.java:854) at org.lwjgl.opengl.Display.create(Display.java:784) at org.lwjgl.opengl.Display.create(Display.java:765) at net.minecraft.client.Minecraft.a(SourceFile:235) at avv.a(SourceFile:56) at net.minecraft.client.Minecraft.run(SourceFile:507) at java.lang.Thread.run(Thread.java:679) A detailed walkthrough of the error, its code path and all known details is as follows: -- System Details -- Details: Minecraft Version: 1.5.2 Operating System: Linux (amd64) version 3.5.0-34-generic Java Version: 1.6.0_27, Sun Microsystems Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 406175448 bytes (387 MB) / 514523136 bytes (490 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -Xmx2048M -Xms512M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 LWJGL: 2.4.2 OpenGL: ~~ERROR~~ NullPointerException: null Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null I can run it on different versions of linux such as fedora.

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• Compaq Q2009 monitor display Issues

  - by jasonco

  I have this compaq q2009 monitor 20' inches and I am having display issues. When I turn on the computer the image is displayed fine for a fraction of a second and then the display goes black. If I turn off the monitor and turn it on again the the same thing happens: the image is displayed for a fraction of a second and then goes black. This is odd. I've looked all over the web and I haven't found anything useful (not even in the HP website). So there is no "out of range" or "recommended resolution" message. It just displays and then goes black. I think the resolution is fine because it was working OK until recently and I haven't changed anything in that regard. Any help would be appreciated. Thanks.

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• No Games Installed with Windows 7 Professional

  - by Charles Didier

  Ordered a PC from HP with Windows 7 Professional 64-bit preinstalled, of course. No Win7 disc was included with computer. There are no games installed. I have tried to "activate" them through the Control Panel procedure, but each time I do it there is an error message telling me that not all components installed. And my Games folder is empty. Is there a solution? Synetech asked what I meant by "activate through Control Panel." I'm referring to the "Turn windows features on" procedure that's supposed to work for everybody. I'm sure it does for most, but it didn't for me.

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• How to Restart Windows Update Service in Windows 7?

  - by N.O.R.G.

  I'm running into an issue with Windows Update on Windows 7 Professional. I am totally up to date in Windows Updates as of last week, but discovered this issue [today] during my Sunday morning PC maintenance ritual. In CONTROL PANEL - SYSTEM & SECURITY - Windows Update, when I select "Check for Updates", I get a pop-up stating: "Windows Update cannot currently check for updates, because the service is not running. You may need to restart your computer." I've re-started several times, checked that the service hadn't been disabled at start up, and I've googled extensively on the topic - but have come up with nothing. I know there must be some way to start the service from the cmd line, and I would like to know how to get the service to start at boot. Please let me know if I have left any details out that may aid in formulating a response. Any of the community's excellent insights would be greatly appreciated!

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• Connecting to SQL Server on Parallels Desktop with PHP

  - by Zen Savona

  well I recently bought a Mac and am using it as my primary computer. Because I am required to work with MSSQL via PHP, I have installed Parallels Desktop and run Server 2008 R2 on it. I am using the same mixed mode authentication which I previously had on windows. When I attempt to connect to the server with PHP using either a new test file or my old code, it just doesn't find the server. I have tried running PHP on the XP install with parallels, and using the hostname as COMPUTERNAME\SQLEXPRESS, LOCALIP\SQLEXPRESS localhost localip etc, PHP never finds the server. Also note that I can connect to the database server using Management Studio without problems, so SQL Server is running. Please note that both PHP and MSSQL are running within the virtualised environment. Any contribution is appreciated

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• Windows 8 sleep, blank screen on resume

  - by Waqar Hameed

  I use a SONY VAIO laptop VPCS116FA that came pre-installed with Windows 7. I have upgraded to Windows 8. The experience has been good so far but I am facing a frustrating problem. Whenever, I put my computer to sleep, it won't wake up and I have to restart it. Note that this does not affect hibernation which works perfectly fine. However, it is not a perfect alternative to sleep option. I have tried this method to resolve the problem but in vain: http://www.thulasidas.com/2009-03/blank-screen-after-hibernatesleep.htm I really am in need for a solution to this problem. Please suggest whatever you think can resolve this.

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• Best way to split LAN computers on two WANs (not load balancing)

  - by lpfavreau

  What is the best way to split the computers of a LAN (about 50 computers) to go on two WANs, depending on the computers' IP address or computers' configuration (gateway). I'm not looking for load-balancing, I need to be able to route which computer uses which Internet connection. A solution would be to rewire the old office to split the two distinct groups that need to use two different Internet connections but I'm not sure it's worth it at the moment. I have a pfSense router configured with the LAN (DHCP), WAN1 and WAN2. I also have the IP addresses (and ability to configure) the next router on WAN1 and the one on WAN2. What would you suggest? Routing based on IP addresses ranges? Different gateways? VLANs would be difficult for the same reason as to why rewire is a bit complicated. Thanks!

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• Operating System Not Found - BIOS recognizes, Live OS doesn't (Laptop)

  - by Klaus Borges

  Here's the deal: I have a multi-partitioned hard drive on my laptop set up with GRUB. I got a blue-screen while working on Windows 7 and when rebooting I got the Operating System Not Found error message. I rebooted the computer once again and entered the BIOS setup just to see if recognized my HDD - it did. Next step for me was booting a Live CD and seeing if I could repair GRUB or at least check if something changed on the partitions, but it doesn't seem to recognize anything there. Tried blkid, fdisk -l, not even GParted can see it. What should I do?

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• NetBeans has broken interface with OpenJDK

  - by Krzysztof Stanislawek

  Sorry for English. Usually (say, at 4/5 of times), when I start NetBeans, interface is partially broken. For example, menu items are appearing and at once disappearing after click; some parts of editor are also blocked for cursor actions. Another issue is broken Options window - I can show it only once for NetBeans execution. There are more similar issues. $ java -version java version "1.7.0_55" OpenJDK Runtime Environment (IcedTea 2.4.7) (7u55-2.4.7-1ubuntu1~0.13.10.1) OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode) Version of NetBeans is 7.0.1. Linux version is Mint 16. I use Mate. I had the same issue at other computer, at the same operating system. I know that installing Sun version of Java could help, but I also know that there shouldn't be such issue with OpenJDK. Also, I had other problem with NetBeans and Sun Java 8 - NetBeans suddenly crashed before he fully started, so I want to stick with OpenJDK. What causes my problem? Should I use other version of NetBeans/OpenJDK?

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• Is there a LOGO interpreter that actually has a turtle?

  - by Tim Post

  This is not a repeat of the now infamous "How do I move the turtle in LOGO?" Recently, I had the following conversation with my five year old daughter: Daughter: Daddy, do you write programs? Me: Yes! Daughter: Daddy, what's a program? Me: A program is a set of instructions that a computer follows. Daughter: Daddy, can I write a program too? Me: Sure! This got me scrambling to think of a very basic language that a five year old could get some satisfaction from mastering rather quickly. I'm ashamed to admit that the first thing that came to mind was this: 10 INPUT "Tell me a secret" A$ 20 PRINT "Wow really? :" A$ 30 GOTO 10 That isn't going to hold a five year old's attention for very long and it requires too much of a lecture. However, moving a turtle around and drawing neat pictures might just work. Sadly, my search for a LOGO interpreter yielded noting but ad ridden sites, flight simulators and a whole bunch of other stuff that I really don't want. I'm hoping to find a cross platform (Java / Python) LOGO interpreter (dare I call it simulator?) with the following features: Can save / replay commands (stored programs) Has an actual turtle Sound effects are a plus Have you stumbled across something like this, if so, can you provide a link? I hate to ask a 'shopping' sort of question, but it seemed much better than "Is LOGO appropriate for a five year old?"

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• What music players (or related applications) are there that would allow displaying/editing embedded lyrics of music tracks?

  - by cipricus

  I use OSD Lyrics and CoverGloobus. They are good, they search and eventually download lyrics, when they can find them. The sources used by OSD Lyrics, for example, are rather limited (although I love the way it displays them. The latter accesses a reacher database, but the display is not adjustable as far as I know). Couldn't find a way to make these programs see lyrics from a file selected by me. What I want is to be able to add the lyrics myself, and even to embed them into the music file - and, of course, to display them from there. The last feature alone would be very valuable to me, as I have a large music database with lyrics already embedded, but I cannot see them with these programs: they are just looking for new lyrics on the Internet, although the lyrics are on my computer. In Windows I used Foobar2000 to find, display and embed lyrics (with the add-on lyricsgrabber) and when I needed to add the lyrics manually I used to embed them in MediaMonkey (this player allows finding them, but also editing and embedding - just by copy/paste). I am not able to run MediaMonkey in Wine. Foobar works, but with a lot of problems. And anyway, Wine is of last resort. I am looking for a Linux program that would be able to do something similar to what I have described above.

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• DVI to HDMI - displaying bad.

  - by TutorialPoint

  I currently have a computer with a ASUS EAH5770 (ATi Radeon HD 5770) 1GB GDDR5 video card, and 4GB ram, 2.6 GHZ i5 processor. I just switched from a DVI (the blue one) to an HDMI cable. (Bigben Flat cable HDMI 1.3c) I use a Samsung SyncMaster 2032 MW, which has a HDMI input. The weird thing is, that my screen is off-the-corner of the tv (so it's too wide) (1920x1080), and windows icons and text are not displaying well, though 1080p videos in YouTube are looking brilliant, just like pictures. So i think it has something to do with Windows. I already have the ATI Catalyst Control Center with the drivers i received with my video card. I do not currently know how to fix these problems. Do i have to reinstall Windows or so? Or is it (hopefully) easier?

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• How do I log which process is deleting a file on Windows XP?

  - by Jordan Milne

  I'm having an issue with a file getting deleted seemingly randomly throughout the day. The vendor of the software whose file is getting deleete says that another piece of software installed on the computer is deleting it, while the other software's vendor says the opposite. I've tried using Process Monitor so I can pinpoint exactly what's deleting it, but even when filtered specifically to that file, createfile operations are being triggered a few times a second, and I can't seem to filter it to deletions specifically. Is there a tool or script I can use to specifically monitor deletion attempts on a single file?

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• Windows Server 2003 GPO Applied to only a few users?

  - by caleban

  How do I apply the policy: Computer Configuration/Administrative Templates/Windows Components/Terminal Services/Client Server data redirection/Do not allow client printer redirection only to a few users? Do I have to create 2 OU's and 2 policies just for this? I see I can't create a group and apply the GPO to the group and add the users to that group. How do I selectively apply a policy to only a few users without creating a whole new OU for them (and without changing each user's AD properties individually)? Thanks in advance.

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