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  • WDS (Wireless Distribution System) not work [migrated]

    - by xdevel2000
    I've a dlink di-524 as main router (192.168.0.1) connected to Internet and a second router (192.168.0.2), a tplink wr841n, with WDS enabled and correctly configured to "join" with dlink. After I connect via wireless a laptop (192.168.0.100) to tplink and both work good but with the laptop I can't go to Internet. It seems as WDS not work. With the laptop I can only ping the tplink but other ping (the dlink or other LAN computer not responding). What's the problem? Perhaps also the dlink must have the WDS option? Thanks.

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  • Extend university wifi network [migrated]

    - by asfasdoiuh ouhouhouh
    i live in a university campus and i can get wifi signal on the outside of my window but not in the house. The solution i use at the moment is a usb wifi dongle outside connected to my laptop but the lack of an internal antenna make the connection quite unreliable at times. So i was trying to find another solution to improve the reception of my network. One idea is to setup a router on the outside (in a place with stronger signal) and redirect the connection inside the house with an ethernet cable but the problem is that our Uni Wifi is managed by a capitve portal (BlueSocket with DNS redirection to login page) and the authentication has to happen on the mac address that connect to the net (so the client appliance in this case). If I use a router with Mac-Clone capability i will be able to be redirected trough the captive portal on my laptop computer and login from there or i need to setup my router to fill in the login page by itself? There are other hardware/software solutions i can use to get what i want? Thank you all

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  • Unix Shell/SSH config to allow TCP port forwarding without showing a command prompt

    - by Raphael K
    I'm running a Debian Linux. I'd like to have a user account that is able to connect via SSH for TCP-forwarding only, without a command prompt. e.g the following would work (from a remote computer): ssh -D1234 user@myhost but no command prompt would appear. Using a shell like /bin/false or /sbin/nologin is too restrictive as it doesn't even allow the user to log in. A shell that only allows the "exit" or Ctrl+D commands would do the job. I know that something similar is possible to allow only SFTP, but I can't find the equivalent for TCP forwarding. Thanks

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  • OS X software updates download but don't install

    - by ridogi
    I've got three 10.6 computers that won't install OS X updates. Checking for new software will show about a dozen updates (Security updates, Safari, iPhoto, printers, etc) and if choose install it downloads them. After downloading and then clicking restart the computer sits at the purplish sky desktop with no progress bar, and then after about 3 minutes it goes back to the login window (without ever installing or restarting). If I then select check for updates the same updates will all be presented and I can repeat the process. Manually downloading and installing an update such as 10.6.8 combo updater works as it should, and then check for updates no longer presents that particular update as an option. This seems to be the result of some setting or 3rd party application as I've got 3 out 7 computers experiencing this exact same problem. What could cause this and how can I fix it?

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  • Windows 7 - cannot access my own external disk

    - by Tomas
    I use Windows 7 Home Premium and external USB disk with NTFS partition. I cannot write-access the my own files on it, even as a member of Admnistrators group! Is there any way how to go around this permission checking, without actually writing some permission information to every folder on it? I have 3 external disks (up to 1TB), and I have thousands hundreds of files on each!!! Doing some permission change, that will actually go recursivelly through all folders on all my disks is plain brain damage!! 1) Is there any way how to change it somehow globally? (like mount options...) .. Or how to go around this annoying permission checking? It was working in Win XP normally! 2) if not, and I must do the recursive operation on all folders, how to do it PERMANENTLY, so that I don't need to do it again on another Windows 7 computer!

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  • Fresh install of 64 bit 12.04 over 32 bit 11.10 alongside Windows 7

    - by Pareen
    I currently have Ubuntu 11.10 32 bit and Windows 7 dual boot in separate partitions. I am trying to do a fresh install of Ubuntu 12.04 64 bit (mistakenly installed the 32 bit 11.10 a little while ago.. I need a 64 bit version to support AOSP build) OVER my the exisiting 11.10 partition. I have referenced How to Install fresh 12.04 install to a PC with dual booting Windows 7 & Ubuntu11.10?, as well as other posts on using the Live CD to do a fresh install. However, the problem I am experiencing is when I bring up the install screen, it says the following: This computer has multiple operating systems on it. What would you like to do. (3 options) Install Ubuntu 12.04 alongside them Replace all with Ubuntu 12.04 (Warning, this will delete files across ALL operating systems) Something else (you can create or resize partitions yourself) This is different from what is in other posts, as mine states that there are "multiple O.Ses" and doesnt individually allow me to replace the Ubuntu 11.10. I don't want to replace ALL O.S.es: I need to preserve Windows 7 and am only trying to replace the old Ubuntu 11.10 partition with the new 12.04 64 bit. I did have Ubuntu installed via Wubi (I believe it was 10.04) prior to putting 11.10 in a separate partition, but I have removed it via Add/Remove programs in Windows. I was wondering how to go about doing this... Should I use the "Something else" option to bring up the partition manager, and just assign my existing 11.10 partition with root mount point + swap space. Will this do the same thing by overwriting with fresh 12.04 install?? I appreciate all your help.

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  • Why Can't Computers Off My Network See the Site?

    - by nmagerko
    Have just set up Apache, PHP, MySQL, etc. on my Ubuntu OS, and I was wondering why computers that are not on my network can not see the basic index.html that Apache uses as the default. I set up the static ip address for my computer, and I use 192.168.1.100 for computers to view the simple site. Is there something I am missing that will allow others to access my site? (It is REALLY simple; no graphics, CSS, etc.)

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  • Apple Wireless (aluminium) Keyboard on Windows

    - by Dave Arkell
    I have an apple wireless keyboard which I am using with my windows pc and it works excellently, and looks superb. It all connects fine (particularly with a flashed dbt-120). However, I haven't had great success with getting all those useful keys to work with the 'fn' key. I've been using uawks as a way to get it working, but it doesn't always work. Has anyone had success with any other tools to get the fn key working (and therefore creating shortcuts to 'End', 'Home', 'Break', 'Pgup', etc? I should point out that this is not a mac computer, it is a plain old pc.

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  • What to do when you can not type a letter in Cygwin/bash

    - by Stenemo
    I had a very strange issue that happened as I was editing .bashrc or possible .profile, which made it impossible to press the letter "a" (it is not showing up on screen, although I am able to type it in all other programs as usual. I am not sure, but I was trying to get aliases to work on my computer at the time, so it is possible that I somehow aliased a to "", although I am not sure how that would have happened. I solved this by copying all the files in "cygwin\etc\skel\" (these are the backup starting files in case you ever need to replace them) into my home folder. Just leaving this question here so that other people which run into the same problem know what to do, not sure why I am unable to press "solve your question" at the moment, but I hope that someone who reads this knows how to edit this question so that the next person with this problem knows what to do. Also, not sure if this belongs in this forum or another one, but guess it is more of a unix question.

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  • windows 8 + Ubuntu dual boot

    - by Jack Yuan
    I installed Ubuntu 13.04 on Windows 8. Yes I can access both of them, but the process is kind of long. In BIOS, EFI is for Windows 8, legacy support is for Ubuntu. If I choose EFI first, the startup just go straight to Win8 without offering me a choice. If I choose legacy first, the starup will offer me a choice between win8 and ubuntu. But I can only choose Ubuntu. If i choose win8, there will be a mistake(file missing under configuration). That is to say, every time i wanna switch to another OS, I have to go into BIOS and change the priority settings. I heard something about secure boot might be the cause of this situation. But the thing is that there is not even an option called "secure boot" in my BIOS, which means i cannot disable it. All I want is that an option menu appears everytime i turn on my computer so i can easily choose what OS I want for today. Can anyone help me plz? Thank you very much!!

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  • How can I disable HTML5 content in popular browsers like Firefox and Chrome?

    - by HRJ
    The bad thing about Flash video was that it required a third-party plugin to play the content. The good thing was I could select which content to play; using the click-to-play feature in Firefox and Chrome. But now that HTML5 video is getting popular, I see a lot of ads popping into view again. They are not only a distraction, they hog resources on my computer and make the fans spin full speed. Is there a way to disable HTML5 audio/video content by default, and enable it only selectively?

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  • What's the typical latency for key strokes using an ssh connection on a local wifi network?

    - by dan
    I develop software on a Macbook Air 1.6 Ghz but find running Rails test suites and generators on this computer very slow. I'm thinking about buying a Linux tower to put on my local wireless network to do my Rails development on. I would want to use my Macbook Air and ssh into the Linux box and do my development with Gnu Screen, vim, etc. Can I expect the keystroke and echo latency for a ssh session between two machines on a local wireless network to be negligible? Does anyone develop using this kind of local setup?

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  • How to measure startup time and order of Windows services on boot?

    - by djangofan
    I am not asking how to measure server startup time here. I am wondering if anyone knows of a tool that can measure and show a graph of the startup time and order of all the windows services during system startup. I saw a software program shown on my local Portland news last week that does this but I am unable to remember what it was called or anything else about it. All I remember is that it was a "tech" news story to help computer users with their computers. So, I know the software exists and I am trying to find it.

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  • USB 3 adapter for a dell 2850 with PCI (or PCIX) ports

    - by Don Dickinson
    Does anyone know if there is a plain PCI (or PCIX) USB 3 adapter. i understand the bandwidth of PCI < USB3, but it still beats the heck out of USB 2. i have some older dell 2850s that do not have the PCI E ports that most USB 3 adapters require. i'd really like to get usb3 in those servers. i searched the internet but didn't see any. the local computer store said they only had pcie adapters. tia, don

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  • Cannot connect to FTP server from external host

    - by h3.
    I have a FTP server (vsftpd) setuped on a Linux box (Ubuntu server). When I try to connect with a computer on the same network everything works fine as expected. But as soon the IP is external it won't connect.. I first assumed the port was blocked, but then: localserver:$ sudo tail -f /var/log/vsftpd.log Wed Jan 13 14:21:17 2010 [pid 2407] CONNECT: Client "xxx.xxx.107.4" remotemachine:$ netcat svn-motion.no-ip.biz 21 220 FTP Server And it hangs there. Do any ports other than 21 need to be open?

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  • Using onboard and pci-e graphics card at the same time

    - by Endle
    Hello wonderful people. I know there are several other posts with similar questions. I also know how to use Google. I also have read up on posts discussing bumblebee, crossfire, ati catylist and many other interesting topics. I would just like someone to give me advice on how to use the onboard and pci-e graphics at the same time. I know the computer is capable of doing this. It works in Windows. I can use the VGA and DVI onboard port and the HDMI port of the add on card all at the same time. Works great in Windows 7, In Ubuntu, it seems only one or the other will work. I can use any combination of two displays on either adapter: VGA and HDMI..HDMI and DVI..so forth and so on. I have started experimenting with xorg.conf files, but have not been able to get any of them to work. Here is my last attempt at writing an xorg.conf file: Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 Screen 1 "Screen1" LeftOf "Screen0" Screen 2 "Screen2" LeftOf "Screen1" InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "Device" Identifier "Onboard Video" Driver "radeon" BusID "PCI:01:05.0" EndSection Section "Device" Identifier "Graphics Card" Driver "radeon" BusID "PCI:02:00.0" EndSection Section "Monitor" Identifier "CRT2" Option "VendorName" "ViewSonic" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Monitor" Identifier "DVI1" VendorName "ACR" ModelName "P224W" Option "DPMS" EndSection Section "Monitor" Identifier "DVI2" Option "VendorName" "Acer" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Screen" Identifier "Screen0" Device "Onboard Video" Monitor "CRT2" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1280x1024" EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Graphics Card" Monitor "DVI1" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1920x1080" EndSubSection

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  • What is the best objective way to measure language popularity trends? (What's better than TIOBE?)

    - by Eric Wilson
    The best way to get data on computer language popularity that I know is the TIOBE index. But everyone knows that TIOBE is hopelessly flawed. (If someone provides a link to support this, I'll add it here.) So is there any data on programming language popularity that is generally considered meaningful? The only other option I know is to look at the trends at indeed.com, which is inherently flawed, being based on job postings. It isn't like I would make a future language decision solely based on an index, but it might provide a useful balance to the skewed perspective one obtains by talking to ones friends and colleagues. To illustrate that bias, I'll point out that based on the experience of those I personally know, the only languages used professionally today (in order of popularity) are Java, C#, Groovy, JavaScript, Ruby, Objective C, and Perl. (Though it is evident that C, C++ and PHP were used in the past.) So my question is, everyone bashes TIOBE, but is there anything else? If so, can anyone explain how we know the alternative has better methodology? Thanks.

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  • Win 8 start screen resolution

    - by Abhijith
    My screen resolution is 1280x1024 running Win 8 RP I formatted my computer and reinstalled Win 8 CP because I had too many BSODs. When I installed Win 8 CP and created a local account. I had 5(or 6) tiles per column. But once I switched to the Microsoft account to get my synced wallpaper and lock-screen, the Start screen resolution changed and I got a max 3 tiles per column. The size of all metro apps including the Settings app changed and became awkwardly bigger. Is there a way to get back 5 tiles per column? Essentially changing the resolution of the start screen?

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  • How to join the World of Programming? [closed]

    - by litebread
    Name's Vlad and I am currently on my third year of Community College, studying Computer Science with emphasis on Programming in C++ and Networking. I have completed a few programming courses with general ease, but have not gained advanced understanding of programming through school. None of my friends are serious programmers working in the industry. Being an active lurker on many programming websites, and in general tech oriented sites I have noticed how little I know about the industry, the lingo and terminology. (I have no clue how Git hub works, but I generally understand what its for). So I am looking for help as to where I should look for information on the programming world and the industry in which I a very interested. By that I mean, what sites I should utilize to gain information on programming practices, introduction to advanced C++ and resources that simply introduce a 20some programming noob. I like programming, but I haven't dug my hands deep into it yet, I want to start to do so before I transfer to a University. All in all, where do I find information on becoming an actual programmer (Information that lays out a path). Thank you for reading. Have a great day!

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  • Windows 8.1 will not boot after upgrading from Windows 8 on my PC

    - by user266969
    I have not found a fix. After running the Windows 8.1 Update from the store my computer will not boot unless In insert my recovery USB drive and try to repair. (The repair fails.) However after I power of the PC and remove the USB drive. The PC will boot correctly once. I would leave the PC on but it shuts it self off at night. (And yes I have checked my power profile, it is set to never.) The only thing I have found online is a possibly corrupt video driver. I uninstalled the video driver reboot and it did not fix the issue. Anybody have any suggestions? The PC is a HP EliteBook 8730w laptop. I had no issues with Windows 8 or the Windows 8.1 preview.

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  • How do I turn off PCI devices?

    - by ethana2
    With the purchase of an Intel SSD and 85WHr Li-ion battery and the linking of wifi and bluetooth to my laptop's wireless switch, extensive Intel PowerTop usage, switching from compiz to metacity, stopping of the desktop-couch daemon, removal of Ubuntu One and several other services from my startup, disabling of everything possible in my BIOS, and physical removal of my optical drive, I've gotten my battery life up fairly high, but I think there's still more to be done. Specifically, when I'm in class taking notes, I want to temporarily but completely power down: Ethernet Firewire USB ports SD card reader Optical drive Webcam Sound card PCMCIA slot ..without turning them off in my BIOS like they are now, if possible, because then I have to restart my computer to use any of them. As it stands, I still haven't managed to power down: Firewire USB connection to webcam sound card How do I tell Linux to disable and power down these devices? Is it true that any PCI slot can be physically powered down? My current idle power consumption is 7.9 watts plus the screen. (10.0W at min. brightness) Also, how do I set the screen timeout to ten seconds? gconf editor isn't honoring it when I set it to that. Will switching from nVidia to Nouveau save any significant amount of power?

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  • Transferring to a SSD using Windows Explorer?

    - by Nick
    I've just bought a new SSD (regretting this already) which I want to make my primary hard drive on my new computer. It's a fresh Windows 8 install, so I'm wondering if I can just copy the entire contents of C: onto my new SSD drive, or will I need to copy other things too such as boot records? I don't have a CD drive unfortunately (I removed it to put in the SSD - it's a very small HTPC) and I don't have any USB stick to make a bootable copy of Clonezilla or similar. UPDATE: I have decided to re-install Windows 8 from scratch onto the SSD, the problem is obtaining the serial key that is embedded into the BIOS. I actually have a spare, unused product key from my desktop I'm writing on now, but I'd rather not use that when I already have a valid key in my new HTPC :( Thanks :)

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  • Getting into the details of game engine programming

    - by Darkslash
    I am interested in learning game programming, but I really have an interest in the lower level engineering in games. I have OpenGL experience, and I am really interested in learning more about implementing AI, Physics, etc. I have a computer science degree, so I really like getting into technical stuff. Many times when I ask about this sort of thing, I get a lot of "Use an engine", "Use Unity3d", "Why waste your time writing code that already exists", etc, etc. My idea was to use simpler libraries such as SFML or XNA so that I could learn how to implement the more complex systems. The thing is, although I do want to write games, I want to learn things that using something like Unity simply doesn't teach you. My goal is not to make a current generation quality 3D game to sell, I just want to make some cool smaller games and learn all I can about the programming side of game development. Is this something that people just do not do anymore? It seems like everywhere I turn people are using Unity or UDK or GameMaker. I fully understand why you would use a tool like these, but I cant see how they would suit my purposes. So where does someone like myself turn? Am I trying to learn something that people just do not bother doing anymore? Is the innovation in this area gone and just all about gameplay now? I'm sorry if this question seems silly, but I am genuinely interested in knowing more about this and meeting more people who are interested in this sort of thing.

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  • Is there a NVIDIA driver (for a 7-series card) that will actually work for 12.10?

    - by DS13
    I see many similar topics on this, but I've tried all their suggestions, and nothing has worked. ISSUE: I do a clean install of Ubuntu 12.10. Boots fine with the “nouveau” graphics driver – graphics are very slow and choppy. The three other driver options in Ubuntu (official NVIDIA drivers), all result in a variation of the black screen on boot up. There will be NO access to a command line/GUI in anyway what-so-ever (tried every option recommended out there, but the system is unusable at this stage). I can only reinstall, and try different drivers…and I only ever get one shot at it. QUESTIONS: Does anyone know of a NVIDIA driver that will actually work with a Nvidia GeForce 7350LE? Or a 7-series card in general? This is my second computer, and I’m just trying to get a working install of Ubuntu on it. I don’t want to put much money into it, as I have seen Ubuntu run great on much older/less capable machines. I’ve got a decent Intel processor (2.3Ghz), 2GB of RAM, 320GB hard drive, 32-bit architecture, and there is no other O/S installed. It appears as if the graphics card is holding me back. Should I just buy a cheap graphics card (non-NVIDIA) to put in as a replacement? TRIED SO FAR: -all drivers available in Ubuntu *all fail -manual install of some different NVIDIA drivers *all fail -also tried installing the generic kernel, Nvidia driver doesn't work in 12.10 *no difference -every method suggested to at least get a command line after switching to a NVIDIA driver *all fail

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  • Weird files in User folder

    - by Vervious
    In my user folder (C:/Users/myAccount/) theres a set of interesting hidden files that I've never seen before (right now it's a fresh install of Windows 7 Ultimate). These are: NTUSER.DAT, ntuser.dat.LOG1, ntuser.dat.LOG2, and NTUSER.DAT(whole chain of numbers and letters).TM.bif, NTUSER.DAT(whole chain of numbers and letters).TMContaineretcetc.regtrans-ms, and another similar one. When I try to delete them, it says the system is using them. I've never seen these files before. Are they ok to delete? Or should I leave them in my home folder? I always keep "Show hidden files" as well as "Show System files" checked, since I prefer being able to see all the files on my computer. If I shouldn't delete them, is there at least a way to tidy them up a bit? Thanks.

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