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  • Is it possible for root to execute a command as non-root

    - by adnan kamili
    I am root user and suppose i want to run any application as another user. is it possible, without switching to another user. Something like # google-chrome user=abc I am actually executing a cli program as a non root user. I have set the sticky bit on and i am using setuid. So the program runs with root privileges. Now i am using system() with in the program to invoke gui app. But i dont want to run it as root. so i want to temporarily drop root privileges only for that call.

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  • Vislization Software for Live Audio?

    - by Fogest
    Currently I have been using WinAmp, with MilkDrop visulization plugins to disply visulizations that go with the music. This works fine for normal music files, but now I am in a situation where I require visulizations for a live audio in feed. Is there currently any software out there that can be used to show visulizations for live audio, or even if nothing good exists, is there anyway to still use WinAmp for live audio ?

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  • Idle state detection for server

    - by odinmillion
    Windows OS has a service that detects idle state. Details: Task Idle Conditions The computer is considered idle if all the processors and all the disks were idle for more than 90% of the past 15 minutes and if there is no keyboard or mouse input during this period of time. When the Task Scheduler service detects that the computer is idle, the service only waits for user input to mark the end of the idle state. It is very useful for usual PCs that have keyboard amd mouse. We can use standard task scheduler to start some process like defrag when PC in idle state and stop when PC isn't in idle state. But what should we use when we using a standalone server without keyboard and mouse? Server sometimes receives commands by TCP/IP and starts CPU and HDD activity. But sometimes CPU and HDD activity at zero level. I would like to use this periods of time to start defrag or another process. But this started at "idle" state processes should be terminated when another commands will appear. So, standard idle state conditions cant help me because we have not got user input to stop idle state. I need more customizable idle state detector. Automatically started processes shouldn't influence to idle state, but PC should go away from idle state when another process will apperar. What should I use? Maybe exists some advansed task scheduler? Or I should write some useful utility on C#? I hope that it is a standard task and all useful utilities already compiled :)

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  • KVM machine does not start ssh, network is started, used to work

    - by lleto
    have been searching an pulling my hear out for the last 6 hours. I have a virtual machine that has been running fine for the last six months. I was happy ssh'ing into it and it was running a database and some small apps. Tonight ssh stopped working, so I decided to reboot the machine. I now have the following situation: virsh list --all states machine as running I can ping the machine and get a reply When I ssh to the machine I see "ssh: connect to host [myserver] port 22: Connection refused" nmap does not show port 22 as open I have tried to: - reboot the machine once more (no luck) - mount the filesystem and check /etc/ssh/sshd.conf (has not changed since working situation) - install virsh console, however this does not seem to work When I mount the fs directly using losetup the strange thing is that file dates seem to be frozen in /var/log/ around the time of the crash. If I look in /var/run/ I can see an sshd.pid, but the time is 6 hours ago (and numerous reboots). My virsh xml looks like this: <domain type='kvm' id='21'> <name>myserver</name> <uuid>09678c8d-a99b-1d18-a7af-88d027cc8f93</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-1.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/dev/disk01/myserver'/> <target dev='hda' bus='ide'/> <alias name='ide0-0-0'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <controller type='ide' index='0'> <alias name='ide0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:e3:13:86'/> <source bridge='br0'/> <target dev='vnet0'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/1'> <source path='/dev/pts/1'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'> <listen type='address' address='127.0.0.1'/> </graphics> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> <seclabel type='dynamic' model='apparmor' relabel='yes'> <label>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</label> <imagelabel>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</imagelabel> </seclabel> </domain> I'm sort of lost as to where I can look to get the machine up and running again. On the same instance of kvm I have another server running which is working fine. Both are Ubuntu 12.04. All help is welcome....

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  • Who should own the root folder of a drive?

    - by Gaia
    All partitions are NTFS. The system is Windows 7 Pro. It does not belong to a domain. I do use shared folders occasionally (both via the Homegroup and old school sharing). Should I set the owner to be Administrators or SYSTEM for a A) fixed drive? B) removable drive? C) Is it ok to make every object on the drive inherit the new ownership? I just realized that I had some messy settings because I turned UAC on for the first time in years and I am now getting some undesirable prompts. I already have permissions set properly and I am only concerned with ownership.

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  • Windows does not detect any modems anymore[HSPA]

    - by Shenal Silva
    By an accident i uninstalled my Connect manager (ZTE). but when i re-install it the virtual CD drive is detected but it does not detect the drivers. When i direct to the folder containing the relevant drivers(.sys files) still it doesnt detect. Then i tried a modem of a different brand Huawei the same problem presists As i understand it is not a device(brand) driver specific issue as it does not detect modem(dongles) of any brand. when i plugged in a different USB device(a pen drive) the driver is detected and it works perfectly. Please help me with the issue i have tried system restore but it doesnt work. I want a repair that works without re-installing windows [Edit] I tried Karan's suggested method with usboblivion it didnt work. now im sure that the issue does not deal with the registry

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  • Good software to take a blog and format it for printing

    - by vaccano
    I have much of my family's doings on a Blogspot blog. I would like to print this out in a nice book. The actual printing I plan to just send to CostCo as Photo Prints. But I need some kind of software to reformat the posts into printable paper size sheets. I would like it if I could retain my blog's background and let me adjust how the pictures fit on the screen. Now I could do all of this with MS Publisher or Word. But I am curious if there is any other software out there that does this nice and easy. Anyone know of some cool software that will do this for me? Free is nice, but I am not above paying a modest fee for cool software. I would prefer to avoid another website that will charge for the printing as well as the converting.

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  • How to get rid of resume information on ubuntu 9.10 ("karmic")

    - by Glen S. Dalton
    I am on an old laptop with Ubuntu 9.10 installed. I once tried to not shutdown but go into one of the resume states. On the next power on, resume did not work, but there was an error message during boot asking me for the resume image (which I do not have or know of) and when I press enter the normal boot happens. But this error pops up on every boot now. How can I get back the behaviour from before? Why does the boot process guess there would be a resume image and can I delete this information? I would like to post here the error messages from the boot proces, but they are not in /var/log/syslog, where else can they be?

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  • New install indicator while install updating on Ubuntu

    - by Phuong Nguyen
    In the update manager of ubuntu I see several libraries marked with New Install. I don't know what is the benefit I can get from that New Install? What if I just want a normal upgrade, not a New Install? (I have 3 Linux Kernel versions right now (that I can see and select from Grub menu), and I think I don't need all of them since I always use the latest Kernel).

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  • Packet drop measured by ethtool, tcpdump and ifconfig

    - by Rayne
    Hi all, I have a question regarding packet drops. I am running a test to determine when packet drops occur. I'm using a Spirent TestCenter through a switch (necessary to aggregate Ethernet traffic from 5 ports to one optical link) to a server using a Myricom card. While running my test, if the input rate is below a certain value, ethtool does not report any drop (except dropped_multicast_filtered which is incrementing at a very slow rate). However, tcpdump reports X number of packets "dropped by kernel". Then if I increase the input rate, ethtool reports drops but "ifconfig eth2" does not. In fact, ifconfig doesn't seem to report any packet drops at all. Do they all measure packet drops at different "levels", i.e. ethtool at the NIC level, tcpdump at the kernel level etc? And am I right to say that in the journey of an incoming packet, the NIC level is the "so-called" first level, then the kernel, then the user application? So any packet drop is likely to happen first at the NIC, then the kernel, then the user application? So if there is no packet drop at the NIC, but packet drop at the kernel, then the bottleneck is not at the NIC? Thank you. Regards, Rayne

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  • Print full path of files and sizes with find in Linux

    - by cat pants
    Here are the specs: Find all files in / modified after the modification time of /tmp/test, exclude /proc and /sys from the search, and print the full path of the file along with human readable size. Here is what I have so far: find / \( -path /proc -o -path /sys \) -prune -o -newer /tmp/test -exec ls -lh {} \; | less The issue is that the full path doesn't get printed. Unfortunately, ls doesn't support printing the full path! And all solutions I have found that show how to print the full path suggest using find. :| Any ideas? Thanks!

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  • "Show In Finder" won't open a new finder window

    - by Gavin Miller
    The "Show In Finder" action isn't working on Mac OS X Mountain Lion. The problem has just started to occur all the time, before it was a bit sporadic, but now it happens all the time. Things that don't work: In the chrome Downloads page clicking any of the "Show in Finder" links. Right clicking a file in XCode and choosing "Show in Finder" Things that work: open . in terminal command-n after command tabbing to Finder. Things I've tried to fix the issue: Opt - Right Click finder in the dock and relauching Restarting my computer Anybody ever experienced this issue?

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  • Unable to copy files previously extracted from archives created on a Mac, even after claiming ownership

    - by Maxim Zaslavsky
    I reinstalled Windows on my computer today, and backed up my music to a USB drive. Now, I'm trying to copy the files onto my fresh Windows partition, but I'm unable to copy files that I obtained within my previous Windows installation from zip archives created on Macs. When I try to copy those previously-extracted files, I get an error saying that I need permission from S-1-5-21-...-1000 (a bizarre long ID). The first thing I tried was to take ownership of the files by setting my new user account as the owner, but that resulted in errors saying that I need permission from myself! Some Googling suggested adding antivirus suggestions, so I excluded the relevant folders from Microsoft Security Essentials, but the issue persists. For what it's worth, it seems that some program (so far I've only installed Chrome, Microsoft Security Essentials, and the latest Windows updates) created an empty folder named 601c8c7f0e0c03f725 at the root of my external USB hard drive. What gives?

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  • WAMP Server vs LAMP Server

    - by Rob A
    Hi All, Just wondering, I want to set up a basic web server at home. I run Windows (XP on the machine to be a server), however I also have Ubuntu on hand if I need to run that. Basically I was wondering if there are any large difference between WAMP servers and LAMP servers? I know the run virtually the same software, but does one perform better than the other? Are there hidden benefits of running it in Ubuntu instead of XP, or the other way around? I know its a basic question, but I havent done anything with Ubuntu, and Ive done about the same amount with web server-ing. Thanks!

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  • Laptop Bios password removing !!

    - by Mr-Right
    hi, I have a dell D620 (Laptop), My younger brother set password by mistake on BIOS Setup and forgot it. Now I want to reset BIOS Setup program so that password can be reset.Any other alternative is appriciated as well. thanks in advance.

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  • How to avoid Windows Genuine Advantage for an XP update?

    - by hlovdal
    I am about to apply updates to a windows xp installation I have not booted in a couple of years. When going to update.microsoft.com, it forced me first to accept an activex installation and now it wants me to install wga: Windows Update To use this latest version of Windows Update, you will need to upgrade some of its components. This version provides you with the following enhancements to our service: <... useless list of "advantages" ... Details Windows Genuine Advantage Validation Tool (KB892130) 1.1 MB , less than 1 minute The Windows Genuine Advantage Validation Tool enables you to verify that your copy of Microsoft Windows is genuine. The tool validates your Windows installation by checking Windows Product Identification and Product Activation status. Update for Windows XP (KB898461) 477 KB , less than 1 minute This update installs a permanent copy of Package Installer for Windows to enable software updates to have a significantly smaller download size. The Package Installer facilitates the install of software updates for Microsoft Windows operating systems and other Microsoft products. After you install this update, you may have to restart your system. Total: 1.5 MB , less than 1 minute I have heard nothing but bad things about wga, and I absolutely do not want it installed on my system (this answer seems to give some options). Searching for "windows xp" at microsoft's web pages brought up this page which says Windows XP Service Pack 3 Network Installation Package for IT Professionals and Developers Brief Description This installation package is intended for IT professionals and developers downloading and installing on multiple computers on a network. If you're updating just one computer, please visit Windows Update at http://update.microsoft.com . ... File Name: WindowsXP-KB936929-SP3-x86-ENU.exe I am currently downloading this file. Will installing this bring my installation up to date with security updates? What about later updates whenever a new problem is discovered, how can i update without using wga?

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  • Clean thermal paste from inside CPU

    - by Karolinger
    I bought an used CPU (Intel "Core 2" E4700) on eBay. And it came dirty inside with something that seems it´s thermal paste. Before I send it back, I wonder if it could it still work without cleaning this dirt. The seller supposedly "tested" it to be fully working. Final, is there a way to clean this dirt without damaging the CPU? Or, is it too risky (or too much work) to do so? This is the CPU:

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  • Outlook activesync not pushing changes to devices

    - by Ryan Peters
    I recently set up my account outlook.com account and connected Outlook 2013 to it using ActiveSync. For a while, it was pushing changes I made, for example, from the web client to my phone and my Outlook when an email was deleted, moved, etc. The change was instant. Now all of a sudden, I have to manually refresh to see changes on either device. What happened? I just set up my wife's email account and it works fine, though she has no emails in it yet. I have several hundred. Why is mine not pushing sync changes and hers is? Thanks.

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  • SQL server 2008 R2 installation error

    - by Sonia
    I have a windows 7,32 bit laptop. I am the administrator with all permissions. when I click on the SQL server 2008R2 set up file,it says : "SQL server set up has encountered the following error:Failed to retreive data for this request" click on OK. I have uninstalled all the components of SQL from control panel. I used Windows installer clean up to remove the files(which I must have not done ),but still no go. The summary.txt log says: Overall summary: Final result: Failed: see details below Exit code (Decimal): 847168662 Exit facility code: 638 Exit error code: 50326 Exit message: Failed to retrieve data for this request. Start time: 2012-05-25 14:59:15 End time: 2012-05-25 15:00:09 Requested action: RunRules Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20120525_145905\Detail.txt Exception help link: http%3a%2f%2fgo.microsoft.com%2ffwlink%3fLinkId%3d20476%26ProdName%3dMicrosoft%2bSQL%2bServer%26EvtSrc%3dsetup.rll%26EvtID%3d50000%26ProdVer%3d10.0.5500.0%26EvtType%3d0xEF814B06%400x92D13C14 Machine Properties: Machine name: EWAN-PC Machine processor count: 4 OS version: Windows Vista OS service pack: Service Pack 1 OS region: Australia OS language: English (United States) OS architecture: x86 Process architecture: 32 Bit OS clustered: No Package properties: Description: SQL Server Database Services 2008 SQLProductFamilyCode: {628F8F38-600E-493D-9946-F4178F20A8A9} ProductName: SQL2008 Type: RTM Version: 10 SPLevel: 0 Installation location: c:\385030d65c6ff61fb9\x86\setup\ Installation edition: EXPRESS User Input Settings: ACTION: RunRules CONFIGURATIONFILE: FEATURES: HELP: False INDICATEPROGRESS: False INSTANCENAME: QUIET: False QUIETSIMPLE: False RULES: GLOBALRULES,SqlUnsupportedProductBlocker,PerfMonCounterNotCorruptedCheck,Bids2005InstalledCheck,BlockInstallSxS,AclPermissionsFacet,FacetDomainControllerCheck,SSMS_IsInternetConnected,FacetWOW64PlatformCheck,FacetPowerShellCheck X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20120525_145905\ConfigurationFile.ini Detailed results: Rules with failures: Global rules: There are no scenario-specific rules. Rules report file: The rule result report file is not available. Exception summary: The following is an exception stack listing the exceptions in outermost to innermost order Inner exceptions are being indented Exception type: Microsoft.SqlServer.Management.Sdk.Sfc.EnumeratorException Message: Failed to retrieve data for this request. Data: HelpLink.ProdName = Microsoft SQL Server HelpLink.BaseHelpUrl = http://go.microsoft.com/fwlink HelpLink.LinkId = 20476 DisableWatson = true Stack: at Microsoft.SqlServer.Setup.Chainer.Workflow.PendingActions.InvokeActions(WorkflowObject metaDb, TextWriter loggingStream) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionEngine.RunActionQueue() at Microsoft.SqlServer.Setup.Chainer.Workflow.Workflow.RunWorkflow(HandleInternalException exceptionHandler) at Microsoft.SqlServer.Chainer.Setup.Setup.RunRequestedWorkflow() at Microsoft.SqlServer.Chainer.Setup.Setup.Run() at Microsoft.SqlServer.Chainer.Setup.Setup.Start() at Microsoft.SqlServer.Chainer.Setup.Setup.Main() Inner exception type: Microsoft.SqlServer.Configuration.Sco.ScoException Message: Attempted to perform an unauthorized operation. Data: WatsonData = HKEY_LOCAL_MACHINE@SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft SQL Server 10 Stack: at Microsoft.SqlServer.Configuration.Sco.InternalRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) at Microsoft.SqlServer.Configuration.Sco.SqlRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) at Microsoft.SqlServer.Discovery.RegistryKeyExistsPropertyValueProvider.GetPropertyValue(Object[] context) at Microsoft.SqlServer.Discovery.DiscoveryEnumObject.GetPropertyValueFromProvider(IPropertyValueProvider propertyValueProvider, String machineName, Object[] context) at Microsoft.SqlServer.Discovery.ObjectInstanceSettings.IsObjectFound(String machineName, String idFilter) at Microsoft.SqlServer.Discovery.Product.FilterObjectSet(ArrayList objects, String idFilter) at Microsoft.SqlServer.Discovery.Product.GetData(EnumResult erParent) at Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData() at Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData(Request req, Object ci) at Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.GetData(Object connectionInfo, Request request) at Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.Process(Object connectionInfo, Request request) Inner exception type: System.UnauthorizedAccessException Message: Attempted to perform an unauthorized operation. Stack: at Microsoft.SqlServer.Configuration.Sco.InternalRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) Ineed to install SQL server 2008 R2 for one of the company softwares to work. Any immediate help will be greatly appreciated. Thanks Sonia

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  • Problem with Flash...help

    - by aarontb
    Hey Guys...need help. Working on a project and get this error on the Output Log TypeError: Error #1009: Cannot access a property or method of a null object reference. at FlashSite_fla::MainTimeline/frame16() Here's every frame that is on, begins, or crosses frame 16 Layer Name: Top Menu (4 Button named Home_btn, Works_btn, Tech_btn, Contact_btn) Code attached to frame: stop(); Home_btn.addEventListener(MouseEvent.CLICK, home); function home(event:MouseEvent):void { gotoAndStop(16); } Works_btn.addEventListener(MouseEvent.CLICK, works); function works(event:MouseEvent):void { gotoAndStop(17); } Tech_btn.addEventListener(MouseEvent.CLICK, tech); function tech(event:MouseEvent):void { gotoAndStop(18); } Contacts_btn.addEventListener(MouseEvent.CLICK, contact); function contact(event:MouseEvent):void { gotoAndStop(19); } Layer Name: Investment Opp (button named Invest_btn) Code attached to frame: Invest_btn.addEventListener(MouseEvent.CLICK, invest); function invest(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: MfgOpp (Button named Mfg_btn) Code attached to frame: Mfg_btn.addEventListener(MouseEvent.CLICK, mfg); function mfg(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: MarketResearch (button name Own_btn) Code attached to frame: Own_btn.addEventListener(MouseEvent.CLICK, own); function own(event:MouseEvent):void { var link:URLRequest = new URLRequest('#'); navigateToURL(link); } Layer Name: ActionScript Code attached to frame: import flash.events.MouseEvent; What am I doing wrong?!?!

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  • How to stabilize PCIe sound card in its card slot?

    - by Josh
    I have a Soundblaster Recon 3d Fatal1ty sound card and randomly every once in a while my computer won't recognize it. I am almost 100% sure it is something to do with its PCIe slot. After I turn off the computer and just wiggle the card a bit, the computer recognizes the card once I restart. I can't really try it in the other PCIe slot because the video card gets in the way. It is a Biostar TA970XE motherboard. I don't know if it is something to do with the pins on the actual card or if it is something to do with the slot. I couldn't find any related issues about this card on Google. Is there anything I can do to help secure the card in its slot so that my computer will recognize it? Any help is appreciated.

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  • Unable to authenticate to Windows Server 2003 for file browsing as non-administrator user.

    - by Fopedush
    I've got a windows server 2003 box containing a raid 5 array I use for mass storage. I want to set up a special non-administrator account that can be used to browse files over the network, with only read access. Ideally I'll map my network drive as this user to avoid accidentally hosing my data, and mount as an administrator user on occasions where I actually need write access. I've created a non-administrator user on the Windows Server box (called "ReadOnly)", and granted the user read permissions on the folders I need. However, when I try to browse to the files, and authenticate as this user, I'm told "Permission denied". If I throw the readOnly user into the administrators group, however, I can authenticate and browse just fine. I am, of course, only attempting to browse to folder for which I have given this user read permissions. Obviously my ReadOnly user is missing some privilege here, but I can't figure out what it is. I've been digging around in group policy editor all day to no avail. What am I missing? Fake Edit: I'm doing my browsing from a Windows 7 box, but I don't think that is relevant.

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