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• Find words in many files

  - by ant2009

  Hello, I am looking for this struct messages_sdd_t and I need to search through a lot of *.c files to find it. However, I can't seen to find a match as I want to exclude all the words 'struct' and 'messages_sdd_t'. As I want to search on this only 'struct messages_sdd_t' The reason for this is, as struct is used many times and I keep getting pages or search results. I have been doing this without success: find . -type f -name '*.c' | xargs grep 'struct messages_sdd_t' and this find . -type f -name '*.c' | xargs egrep -w 'struct|messages_sdd_t' Many thanks for any suggestions,

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• Updating AFP version on Windows Server 2003

  - by Niclas Lindqvist

  Hi, We have a couple of Macs, running Leopard and Snow Leopard in our otherwise pure Windows environment. We cannot get file names longer than 31 characters and some times the file permissions gets scrabbled (users can't delete their own folders or access files they usually access). This only occurs when connecting through AFP, We've tried with SMB but it's horribly slow when working with larger documents, so it's not an option. I somewhere read about AFP 3.0 being the answer. So my question is: Is there some way of updating my "AFP version" on Windows Server 2003, or does anyone have a different idea of what might help to resolve this situation?

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• Visualizing Parallel Branch and Bound Tree Exploration

  - by Akhil

  I have written a parallel program that does a depth first branch and bound exploration of a tree. I can dump the id's (id's are like this 0, 00, 01, 0000, 0001, etc.) of the nodes at frequent intervals to know the frontier of the tree that is being explored at that instant in the tree. The challenge is to visualize the tree exploration with time. Any ideas? e.g. I can draw trees(e.g. using graphViz) at different times and create a movie out of it. Looking for ideas to facilitate this visualization - some better ways to do so or easy tools that can help me make the visualization

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• Is it possible to add tcp autotuning to windows xp?

  - by Caspin

  I have a network application that needs to send messages at 60 times a second. The messages are usually 300-400 bytes, but can be as large as 1500. The default setting for SO_SNDBUF is too small and limits the number of message that can be sent if the network latency is anything greater then 100ms. The naive solution is to just bump the SO_SNDBUF size to to something large. However, depending on the latency and the packet size that could be anywhere from 64K to 8MB. One of Vista's new features is TCP autotuning. Autotuning monitors the tcp connection and dynamically adjust the buffer sizes to allow for optimal communication. I would like to use auto tuning on our windows xp machine so I don't need to guess what my buffers sizes should be. Is there a way to install either a microsoft or 3rd party tcp autotuner on windows xp?

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• Is it possible to add tcp autotuning to windows xp?

  - by Caspin

  I have a network application that needs to send messages at 60 times a second. The messages are usually 300-400 bytes, but can be as large as 1500. The default setting for SO_SNDBUF is too small and limits the number of message that can be sent if the network latency is anything greater then 100ms. The naive solution is to just bump the SO_SNDBUF size to to something large. However, depending on the latency and the packet size that could be anywhere from 64K to 8MB. One of Vista's new features is TCP autotuning. Autotuning monitors the tcp connection and dynamically adjust the buffer sizes to allow for optimal communication. I would like to use auto tuning on our windows xp machine so I don't need to guess what my buffers sizes should be. Is there a way to install either a microsoft or 3rd party tcp autotuner on windows xp?

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• Windows 7 freezing unexpectedly

  - by Thomas Deutsch

  I have a Windows 7 computer here, which is freezing between 2 times a day and 1 time every second day. I see no problem, no special drivers, no special Apps are open, no encryption or something like that. Apps usually open then are Firefox, Thunderbird, Eclipse and maybe Office. Computer is just freezing. No Reboot, no shutdown, no bluescreen and no error. User has to hardreset it. Eventlog shows me an kernel error saying it has been unexpected rebooted due to an fatal error, but no statement about what kind of error happended. Anyone an idea what it can be? Chkdisk should be ok (currently, I run it a second time).

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• Windows 8 - Synaptics driver - Mouse keeps freezing

  - by KickAss

  I have Win-8 Pro installed on my Dell XPS. This has Synaptic PS/2 Port TouchPad. As I upgraded the Laptop from Win7 to Win8 all my factory Mouse software (along with other preinstalled software) was all deleted. So for the mouse, I installed Windows 8/7/XP/Vista 64/32-bit Edition v16.3.15.1. Problem - every few seconds (or minutes at times), the mouse freezes. Windows is still working, it's just the mouse. I have to wait 5-15 seconds before the mouse works again. I thought this was because the Synaptic Driver I am installing is not Win-8 compatible but this is not the case. It seems the mouse freezes when Windows is working, loading or opening new programs/windows. I have the same problem in my other Laptop which has upgraded Win8 pro. This is a Dell Studio. What's causing this?

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• negative time for a ping echo reply

  - by Mario

  I was happily pinging in the net when suddenly: Pinging X with 32 bytes of data: Reply from .235: bytes=32 time=1444ms TTL=41 Reply from .235: bytes=32 time=1767ms TTL=41 Reply from .235: bytes=32 time=1531ms TTL=41 Reply from .235: bytes=32 time=-1198187ms TTL=41 Ping statistics for .235: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 1444ms, Maximum = -1198187ms, Average = 1073443462ms A negative time for the reply. I checked wireshark and it had the same values: Time delta from previous displayed frame: -1198.187867000 seconds Time since reference or first frame: -1179.935038000 seconds I didn't change the time of the machine while pinging. This was made in my local network at home, from a XP VM in windows 7. So I blame the VM (virtualbox). But I was wondering if this strange behaviour (to me) could have a reason, or if any of you have seen this before. Thank you bye.

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• Enterprise online backup providers

  - by PHLiGHT

  We've used Iron Mountain's LiveVault service but found that it was only good for file level backups. We liked how it backed up every 15 minutes. It doesn't support Exchange 2007-10 and the web interface was very poor. Who else is everyone using? The most notable names in online backup such as Mozy and Carbonite don't really seem suitable for larger companies. We have SQL, Exchange and Sharepoint servers and are looking to virtualize in the near future. Until then bare metal restore capability would be nice. We are currently using Backup Exec 12.5 but that can be so troublesome at times. We have about 2 TB of data. 1TB is archival data.

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• What's the fastest way to store/access large files?

  - by philfreo

  I do a lot of video editing on my Mac and need a way to store very large (30 GB) files, and don't have room on my HD. A USB/Firewire external hard drive would work, but it seems way too slow for consistently working with such large files. I've also considered buying another computer, with a large hard drive, and putting it on the same network with a shared folder. What's the fastest / most efficient way to do this? Please consider USB 2.0 speeds, hard drive read times, ethernet speeds, etc. Are there other options I should consider?

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• Is there some standard way to publish a calendar feed?

  - by CMP

  For a web application I am working on, I would like to be able to give the user a single url that they can enter into the calendar application of their choosing to have events from our application show up in their calendar. Most other sites I have seen that do similar things will have a one time download of an .ics file that can be imported. If I have to require my users to download a new file every time the schedule changes, it sort of defeats the purpose of having the feed at all. The calendar can change many many times a day. What I would really like is something like rss where their calendar program can look up a url and automatically see the most recent data. Does anything like this exist? Our main target is mobile devices, so it really should be supported by iCal and google Calendar. Anything else is bonus.

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• Sonicwall NSA 3500, public ip for SSL VPN clients is not visible

  - by SlyMcFly

  I have a Sonciwall NSA 3500 and I'm setting up the SSL VPN according to this guide. I get through setting up the Sonicwall router, but then to test it says "Users can now go to the public IP of the sonicwall. Notice the new “click here for SSL login” hyper link". However, when I go to the public ip of the Sonicwall I don't get a web page, it just times out. Is there some other setting that I'm missing in order to make the SSL VPN login page public?

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• RoboCopy Log Files missing whitespace?

  - by TwystNeko

  So I'm working on a script to use RoboCopy to copy a bunch of files, and log what it's copied. It works reasonably well, except for the logfiles. They tend to look like this: C:\Users\Tech\Documents\desktop.initechscan1.jpgtechscan2.jpgtechscan3.jpgtechscan4.jpgtechscan5.jpgwsus.jpgwsus2.jpgC:\Users\Tech\Documents\My Music\C:\Users\Tech\Documents\My Pictures\C:\Users\Tech\Documents\My Videos\C:\Users\Tech\Documents\My Digital Editions\ As you can see, the log seems to be missing all whitespace and separators between entries. Is there something I can do to fix this? It's kind of frustrating. The commandline I'm using is this: C:\Users\Tech\Desktop>Robocopy.exe C:\Users\Tech\Documents c:\Temp /e /l /b /xj /xf ntuser.* desktop.ini *.lnk /np /njh /log:migratedfiles.txt /v I have the /l in there since I'm debugging, and it's the easiest way to keep from copying everything a million times.

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• Using rsync with link-dest from HFS to NTFS

  - by Tom

  Hi, I'm having a problem with rsync. I'm on a Mac and I'd like to sync my everyday's changes from my HFS+ partition to my NTFS formated networked drive. Pretty simple, and everything goes well except that it syncs every file each times. Here's my script: #! /bin/sh snapshot_dir=/Volumes/USB_Storage/Backups snapshot_id=`date +%Y%m%d%H%M` /usr/bin/rsync -a \ --verbose \ --delete --delete-excluded \ --human-readable --progress \ --one-file-system \ --partial \ --modify-window=1 \ --exclude-from=.backup_excludes \ --link-dest ../current \ /Users/tommybergeron/Desktop/Brainpad \ $snapshot_dir/in-progress cd $snapshot_dir rm -rf $snapshot_id mv in-progress $snapshot_id rm -f current ln -s $snapshot_id $snapshot_dir/current Could someone help me out please? I've been searching for like two hours and I still am clueless. Thanks so much.

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• Restrict Overriding memory_limit in php.ini

  - by Rohit Batra

  We have a issue that just came to our notice, some of our developers used ini_set('memory_limit', -1) to over-ride the php.ini memory_limit settings in their code files. Due to which sometimes our Memory/CPU usage is way far more than usual and we even have experienced server hanging/crashing many times. Is there any way to restrict these changes for certain params like memory_limit, upload_max_filesize & post_max_size? Users should not be able to edit them after a certain limit set? Sorry if i asked a dumb question, tried searching but there was no reference to this only found answers asking for increasing these parameters.

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• Laptops trying to connect via wireless? Only able to connect only via wired connection

  - by Chris J. Lee

  It seems that all the wireless laptops in the office have disconnected and are unable to reconnect to the wifi after a terrible storm caused some power interruptions. Troubleshooting actions Verify wireless broadcasting is up With each laptop i ended up flushing their dns cache on Win 7 (ipconfig /flush ) Performed an ipconfig /all to see what the new ip is Made sure password was correct Reset the router (multiple times) restarted each laptop. Tried connecting wirelessly Am i missing some small detail ? Network information The router is a linksys/cisco WRVS4400N router. Supports a lot of fancy features i don't know how to use. We have 3 static ip's the conference room computer, the wireless printer, my computer Mostly windows machines, we have 3 mac users

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• Why does my PC sometimes think I am constantly pressing the control key?

  - by David Faux

  I was browsing the web with Chrome and pressed f. A search box appeared. I then pressed s, after which Chrome asked if I wanted to save the web page. I soon realized that my PC was thinking that I was constantly pressing the Ctrl key regardless of what program I was using. In response, I tried clicking both of my Ctrl keys a few times to no avail. This problem arises sporadically as I work. I am not sure what is triggering it. Why could this problem be occurring? Is it the keyboard or software? How should I respond?

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• remove disks or other media press any key to restart

  - by Sam I am

  I'm having an issue regarding a disk imaging process. I have a WinPE image that will re-partition, the hard drive, and put a boot-able image on it. When I run the imaging process from an initial state, I get the following error remove disks or other media press any key to restart If I run the process subsequent times, It will work as desired, but I'm still interested in getting the process to work the first time. How do I figure out what's going on here? what should I be looking at? I'm a little bit out of my depth here, I don't know what to do next

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• What's an easy way to shut down a computer that I'm connected to via RDP

  - by MBraedley

  I have a secondary machine on my local network that I usually use via RDP. Most of the time, it's on 24/7, but there are times when I may want to shut it down from the RDP client machine. The shutdown and restart options aren't available from the Windows XP start menu when you connect to a machine via RDP, so how can I shut this machine off without actually going to the physical machine? Also note that this computer currently doesn't have a monitor attached to it, which is partly why I want to be able to shut it down over RDP.

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• Is there anything that can be done to make X forwarding over LAN less painful?

  - by Earlz

  I have two *nix machines that I like to remotely do graphical things sometimes with. One of those machines is my Arch Linux media server, and another is my OpenBSD router/general server. My current task was installing a Windows XP over virtual box on my media server. I preferred to do the installation from my main workstation so that I could continue to watch TV from my media server on it's "actual" display. I soon noticed that X forwarding is quite painful though, even over low-latency LAN connections. Are there any settings I can tweak to make it a bit less painfully slow, jittery, and laggy? My LAN is rather small, 100Mbit, and ping times to the other box average at about 0.15ms. Also, I know Virtualbox has a VNC mode it can use instead of doing X forwarding, but this particular task was just an example

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• In Linux, are there any plug-ins to let me do `<Win>`+`<Num>` style app switching (like Windows 7's superbar)?

  - by kizzx2

  Using Windows 7's superbar, I can select/launch the 2nd application group by <Win>+<2>. We have DockbarX in GNOME, which is nice (grouping the windows like Windows 7), but it doesn't enable the <Win>+<2> style keybaord shortcuts. Any suggestions? This is not restricted to making Linux like Windows. But I just find the <Win>+<2> style shortcut very useful. Are there similar ways in Linux to quickly switch between specific apps without pressing <Alt>+<Tab> many many times?

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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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• Need Boxee/Vista remote control recommendations

  - by gurun8

  I have an Acer Aspire X1200 (specs link below) desktop computer that I've installed Boxee on and it works great. And it looks like it's going to be a perfect computer for a media player. It's small with lots of hard drive space and even has a HDMI output on it. http://support.acer.com/acerpanam/desktop/0000/Acer/AspireX1200/AspireX1200sp2.shtml I also have a Harmony® 880 Advanced Universal Remote (specs link below) that I'd like to use with the Acer computer. www.logitech.com/en-us/440/372 My thought is that I need to get a USB remote control adapter, right? So I did a quick Google search and found products from $5 to hundreds of $$$. Does anyone have recommendations? Things you like/dislike about certain remotes? This Acer is running Vista and has a AMD LIVE!: Athlon X2 dual-core processor. 64 bit some times makes it a little more difficult. Thanks for the help.

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• gltail “Missing gem net-ssh”

  - by Ian

  I'm attempting to get gltail set up on my local system to monitor logs remotely. I've got all the dependencies installed, but when I go to run gltail ... ./gl_tail configfile ../config.yaml I get this output: Missing gem net-ssh. Ubuntu: sudo gem install -y net-ssh -r .. which I've done a number of times. Here is the output: dev@ubuntu:~/Desktop/Fudge-gltail-e5b252d/bin$ sudo gem install net-ssh Successfully installed net-ssh-2.0.15 1 gem installed Installing ri documentation for net-ssh-2.0.15... Installing RDoc documentation for net-ssh-2.0.15... But when I go to run it again, I get the same missing gem net-ssh error. dev@ubuntu:~/Desktop/Fudge-gltail-e5b252d/bin$ which ruby /usr/bin/ruby dev@ubuntu:~/Desktop/Fudge-gltail-e5b252d/bin$ which gem /usr/bin/gem Why isn't net-ssh being seen as properly installed?

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• Maximum MTU size

  - by user192702

  Thought one of the issues I'm experiencing with the following question is due to MTU rightfully so. ESXi 5 VM Putty session hangs, vSphere client timing out However, when I tried testing the maximum MTU size it seems there's just no limit. Thought Ethernet only allows maximum MTU. But I'm up to 54450. ping -l 54450 192.168.10.7 Pinging 192.168.50.7 with 54450 bytes of data: Reply from 192.168.10.7: bytes=54450 time=1081ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Reply from 192.168.10.7: bytes=54450 time=1079ms TTL=62 Ping statistics for 192.168.10.7: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 1079ms, Maximum = 1081ms, Average = 1079ms

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