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  • PXE booting on old computer

    - by kosciak
    So my computer is not working - the disk is totally cleared, I've deleted GRUB and PLOP which I used to install new system, because CD-Rom is broken and BIOS is old (whole computer is old, it's Sony Vaio PCG-GR250) so it won't allow me to do it via USB and I got no floppy drive :) the only way is to PXE boot PLOP and install Linux from USB after PLOP has been opened. (I'm not a specialist but that's how I see it) I'm using Mac OS X 10.9 and I followed number of tutorials how to set up TFTP and DHCP server and I got PLOP here, but when I boot up with PXE it says that it found DHCP but TFTP timed out. Any help or alternative way of rescuing old laptop? Thanks in advance!

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  • HD flash video lagging on LG R400

    - by dhojgaard
    I'm installing Ubuntu on my friends laptop. An LG R400 with ATI Mobility Radeon X2300 graphics drivers. On Windows Vista which runs pretty slow the HD flash videos 1080p on Youtube vimeo and other places work with no problems, but on Ubuntu i can not really play videos above 480p Above that they are lagging. That annoys me because i know he will use them, and how am i supposed to convince him that Ubuntu is the way to go if it can not play the videos that windows vista can? Unity 3d is working fine so i think the graphics drivers is working, and when i download the hd videos and play as mp4 in vlc they also work fine. lspci -nn | grep VGA shows the following: 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Mobility Radeon X2300 Hope that someone can help me convince my friend that Ubuntu is rocking!

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  • Electrified Light Saber Helps You Slay Bugs Like a Jedi [Video]

    - by Jason Fitzpatrick
    This fun little DIY project combines a toy light saber with the guts of an electrified fly-swatter to yield a bug slaying sword perfect for your epic battles against the Empire’s tiniest soldiers. Courtesy of Caleb over at Hack A Day, the build is surprisingly simple and quick to put together (if you’re handy with a screw driver and soldering iron). Check out the video above to see the build and the results or hit up the link below to read more about it. Building a Bug Zapping Light Saber [Hack A Day] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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  • How to switch 'default' sound device controlled by hardware keys in Xubuntu?

    - by Ruth
    I installed xubuntu-desktop on a 12.04 Ubuntu upgrade after finding Gnome3 lacking. I've mostly been happy, but I've found an odd and frustrating bug. My laptop has two sound 'outputs' - an HDMI-out plug I never use, and the onboard speakers/headphones. For some reason, the hardware keys have been mapped to the HDMI output, even if I set it as 'fallback' in pavucontrol, and notify-osd only displays changes in the HDMI output (though the panel indicator volume control controls onboard sound). I'd ideally like both hardware keys and notify-osd to be looking at the onboard sound, though if I can't get notify-osd it's an acceptable loss. Having to click through a bunch of stuff to change volume is driving me crazy, though. Googling suggested that it /may/ be a Pulseaudio/ALSA conflict, but the hardware keys seem to change at least indicated volume in pavucontrol for HDMI as expected (I don't have an HDMI cable to test actual sound output)

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  • How and why are operating systems bootable from a USB?

    - by user114638
    I'm told to install ubuntu on my laptop for work in order to learn shell scripting. I've read the best way is to install ubuntu on a USB stick and partition my HDD. I'm curious how an OS is bootable from a USB stick? Is it literally just a small interface that can be put anywhere? This reminds me of a time I downloaded a game onto my USB stick, when I brought it to my friends house he told me it will run slow if I don't install it and only run it from the usb, is this different from running ubuntu from a usb? Will ubuntu be slow?

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  • Lenovo ThinkPad T400 and docking station

    - by harry
    Developer in me woke up this morning and asked me to fix this before Christmas. (As his Christmas gift). So, if I power on the laptop after docking it, everything works fine. But if I am working on it standalone and then try to dock it, I cannot get the display. Same way, if I undock it while working, I loose the display. Basically, I need to reboot for any docking/undocking dance to work. Questions: 1) What kind of information should I be looking for to understand the problem? 2) Where to find that information. After this, I can go and try to figure out what is going wrong.

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  • Compiz stop working

    - by Aikanáro
    I'm on a laptop sony vaio, vng-nw330f with ubuntu 11.10. One day I used my computer normally, I shutdown and the other day when I turn on it again, all was different. Compiz effects is not working at all, it doesn't matter what plugin (from ccsm) i enable or disable, nothings happens, nothings changes. I tried next commands: unity --reset unity --reset-icons sudo rm -rf .config .gnome .gnome2 .gnome2_private .compiz .icons .fonts .nautilus .themes .qt .local (from my home directory) gconftool-2 --recursive-unset /apps/compiz-1 I try reinstalling compiz (I remove compiz from software center and installed it again). I have just a couple of weeks using ubuntu, I'm not sure if exist a desktop call it unity 3d, but I think that it's missing. I want the graphics interface of ubuntu 11.10 by default.

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  • Unknown file system : grub Rescue

    - by Rahul Rodrigues
    I have Lenovo Y560 Laptop on which installed Windows 7 and Ubuntu 11.10 as dual boot.Due to some reason i had to recover boot loader using bootrec.exe /fixmbr and bootrec.exe /fix boot,It created one partition of size 198MB named "tet" and my both os were working fine. Ysterday while making some changes in partition table i deleted that "tets" partition and after reboot im getting following error Error:unknow filesystem grub rescue i tried to boot from windows installer cd and but it stucks at "starting windows" so not able to run commands which i have mentioned earliar and tried to boot from Ubuntu 11.10,it stucks after showing following error memory full can't kill anymore process. Please help me out

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  • Flash isn't working in Chrome on 64 bit Ubuntu 10.10 fresh install

    - by IanBalisy
    I just installed Ubuntu 10.10 64 bit last night on my laptop and installed Google Chrome ver. 8.0.552.237. So far flash works on Firefox and Chromium, but not at all on Chrome. I did the sevenmachines install for flashplugin64 and that worked for firefox and chromium. Anyone know how to make it work on Chrome? I really would prefer to use Chrome over Chromium, but if it's not an easy fix I can switch. I'm not too Ubuntu literate, but I can figure things out if necessary. (In short, long explanations are not necessary).

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  • Dual Boot Installation with Win7 - Install Ubuntu in New Partition

    - by RC Russell
    Under Win 7 I created a new 100 GB disk partition (L:) to install Ubuntu 12.04. I then rebooted from the Ubuntu install CD, selected "Install side by side" and now I'm stuck. I end up at the Advanced Partitioning Tool and I do not know how to tell the installer to use the L: partition. Any help would be appreciated. Thanks! Thank you. I have successfully installed Ubuntu 12.04 alongside Win 7. However, now when I reboot the laptop it goes directly to Win 7 with no option to choose Ubuntu. Any thoughts on how to get the boot-time choice to show up? Thanks!

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  • lock screen before hibernating [12.04]

    - by Emanuel Ey
    So when i hibernate my laptop the screen doesn't lock automatically. To solve this if changed /etc/acpi/powerbtn.sh to contain: su - myUsername -c "gnome-screensaver-command -l" sudo pm-hibernate exit 0 When running this file from a command line it works as intended (ie, lock the screen and then hibernate). Unfortunately, when pressing the power button, it still just hibernates without locking the screen -what am I missing? EDIT: I've added the line whoami>>~/Desktop/test.txt to verify which user is executing the /etc/acpi/powerbtn.shscript. When pressing the power button, the file test.txt is created, but is empty. From this i conclude that the script is in fact being called when pressing the power button. What i do not understand is how the output of whoami can be empty...

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  • What kind of screen has the best image quality for reading/programming?

    - by EpsilonVector
    I'm thinking about buying a new laptop, and while I bought my original one oblivious to the fact that there could be different quality screens out there, after seeing the screen on my sister's netbook I realized that I might have to be cautious with my next purchase. Granted, I did not confirm that the reason my sister's screen looks the way it does is due to the screen itself and not color scheme/graphics card, but I know very little about the different screen technologies and how they differ in image quality and therefore can't really tell if wondering about it even makes sense or not. So what I'm asking is: should I be worried about screen quality? And if so, what technologies should I be looking for? How do they differ and which are the best ones? What are the different elements that determine the quality of a screen and which stats should I go for in each element? For the record, I'm not interested in opinions about screen size, but picture quality for lots of reading/coding.

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  • In NetworkManager, my nm-dispatcher is never called.

    - by Alain Pannetier
    I've got two Ubuntu laptops (both 10.10). One is a new Maverick install and the other has been upgraded many times since 9.04. On the latter, setting up a custom script hook in /etc/NetworkManager/dispatcher.d/ worked instantaneously. However, on the older laptop, I can't get nm-dispatcher to get called, or at least to execute its hooks. I've tried to run NetworkManager --no-daemon -log-level=DEBUG But there is no mention of nm-dispatcher. How can I Have a look at the source (I looked into the git repo but could not find anything. find why the nm-dispatcher never gets called.

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  • Ubuntu 12.10 stopped during booting

    - by Alberto
    Good morning, I'm very new to Ubuntu. I decided to change to Ububtu (12.10) for my old laptop (Compaq Presario R3000 with AMD Athlon XP 2800+) that previously used Windows XP. After the installation, the PC restarted but, after a certain activity of the HDD stopped. Menwhile, no information from the screen (blank). Then I retried in recovery mode and the activity stopped at a certain point. I write the last two lines: [ 11.020922] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x3000-0x7fff: [ 11.021676] excluding 0x3000-0x30ff 0x3400-0x34ff 0x3800-0x38ff 0x3c00-0x3cff I don't know how to solve the problem. Thanks in advance for the help.

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  • How To Set Different Speeds for Your Trackpad and External Mouse

    - by YatriTrivedi
    Your laptop’s got a trackpad, you use a mouse for gaming, and you’re tired of manually switching settings constantly. Here’s how to separate both devices and how to set up a hotkey to switch between two settings on one device. Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks Page Zipper Unpacks Multi-Page Articles for Single-Page Display Minty Bug: Build an FM Bug Inside a Mint Container Get the MakeUseOf eBook Guide to Hacker Proofing Your PC Sync Your Windows Computer with Your Ubuntu One Account [Desktop Client]

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  • Problems with brother printer drivers on 64bit 12.04

    - by Jeff Klein
    I'm running 12.04 64bit on a toshiba satellite laptop. I have a Brotrher MFC-J825dw printer. I've installed brothers driver for it and the cupswrapper but it won't print. I says it is receiving data but it never shows up in the queue. I've also tried the text only generic driver and the same thing happens. I think some dependencies are missing for the cups wrapper and when I try to find it it says it can't be installed. Nopt sure if that's the problem because it doesn't explain the generic driver failure. In any case, any ideas?

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  • Ubuntu 11.10 doesn't detect Intel integrated graphics (i7-2670QM CPU)

    - by Telmo Marques
    The laptop I'm using is an MSI GT683DX-847PT that comes with an NVIDIA GeForce GTX570M discrete GPU, and an Intel Core i7-2670QM CPU. According to Intel's description of the Core i7-2670QM CPU, it has an HD Graphics 3000 integrated GPU. The problem is that the Intel integrated graphics GPU doesn't come up in lspci nor in lshw, only the NVIDIA GPU shows up. Here is the output of both commands: sudo lspci: http://pastebin.com/raw.php?i=9AZg8bJy sudo lshw: http://pastebin.com/raw.php?i=6cAMFQsY I was counting on having two GPU's to run CUDA programs on the discrete NVIDIA GPU, while X was handled by the integrated Intel GPU, to prevent kernel execution timeout. Why doesn't the Intel HD Graphics 3000 GPU show up? Any tests I could make to verify the presence of an integrated GPU?

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  • Ubuntu 12.04 Boot Error

    - by Aman
    My Laptop was working just fine a day back but it started show the following error on booting: error: couldn't read file So, I googled about it and used a Live-CD to use Boot-Repair as told here: "can't read file" error after installation causes system to not boot I was given this link: http://paste.ubuntu.com/1441528/ if there are issues still. I also tried to do it again by a Boot-Repair-Disk this time and now I am getting the following error: error: couldn't read file error: you need to load the kernel first The boot-repair-disk gave me this link: http://paste2.org/p/2609703 if there are further issues.

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  • "bad mirror archive" : What should I put as the "mirror of ubuntu archive" on installation of ubuntu?

    - by rockit
    I'm trying to set up ubuntu from my old macintosh laptop, but when it asks me to put in the "mirror of ubuntu archive" I run into problems. For the mirror, I put in mirror.anl.gov for the ubuntu archive mirror directory, i put in pub/ubuntu/ Then I leave the http proxy blank and hit "continue" It then tries to "download release files", which starts at 0%, and eventually jumps straight to 100% and then it presents me with an error of "bad mirror archive". Any advice? I never set up ubuntu before, and I'm really struggling with this step.

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  • After re-installing ubuntu 13.10, stuck at GRUB Rescue, Boot-Repair didn't work!

    - by user205691
    Because i could not get the WiFi login work, i thought i will reinstall ubuntu, with internet connection to have updated drivers for wireless & graphics etc. I have deleted earlier linux partitions usings gparted and re-installed ubuntu 13.10, exactly following the same steps as i did earlier, making a 100GB /home on dev/sda and pointing root to /dev/sdb (SSD) and swap on dev/sda/ . Installing boot on /dev/sdb. But, somehow i think the grub is either corrupted or removed because i am unable to boot the laptop to any OS now. I get the following message: "no such device" xxxxx followed by huge HEX number GRUB rescue when i type ls on Grub rescue prompt, i can see hd0 & hd1, but thats about it. i tried Boot-repair but it is unable to fix the problem. The following log is generated via boot-repair create log: Boot-repair log I am unable to boot into windows or linux at the moment and need help to fix the grub so i can boot !!

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  • "Unable to create OpenGL 3.3 context (flags 0, profile 1)"

    - by Tsvetan
    Trying to run any of the well-known McKesson's tutorials on a friend's laptop results in the aforementioned exception. I read that in order to run applications which use OpenGL 3.3 you must at least have an ATI HD or Nvidia 8xxx GPU series. He has an ATI HD class graphics processor which eliminates (maybe) this issue. Also, I read that this error may result in having old drivers. He updated his drivers but that didn't solve the problem. The tutorials are built as said in the book introduction and glsdk is installed. If more information is needed, say so and I will provide it. What are the other reasons for this kind of exception? And how can I fix them?

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  • OTN Lounge at JavaOne Latin America

    - by Tori Wieldt
    At JavaOne Latin America, the Oracle Technology Network (OTN) lounge is part of the Java Demogrounds. Come join us to talk to technology experts, network with other developers, see some cool demos and live hacking sessions, to charge your laptop, and recharge yourself between sessions. We'll have a mini-theater with demos and Stephen Chin with his NightHacking tour. Come join the fun! The schedule so far is (follow @JavaOneConf for schedule updates): Daily (Tuesday, Wednesday, Thursday) 14:00 Nighthacking Tour with Stephen Chin 15:00 Nighthacking Tour with Stephen Chin 16:00 Oracle ACEs We also will have giveaways at the lounge, hope you like this image...

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  • how to reinstall ubuntu 12.04 after dual boot installation fails with windows 7

    - by Rini
    I have installed Ubuntu 12.04 on my preinstalled windows 7 Sony vaio s series laptop following instructions here: http://www.linuxbsdos.com/2012/05/17/how-to-dual-boot-ubuntu-12-04-and-windows-7/ Everything went well and I am able to boot in to windows after complete installation of Ubuntu. Now following instructions on web I tried to add Ubuntu to my BIOS using Easy BCD (but forget to add windows 7 entry). As a result, I loose windows 7 OS and can't boot in to either OS then I successfully repaired windows 7 using recovery CD. Now my problem is that I can't reinstall Ubuntu 12.04 using Live CD it halts every time before disk partition step giving error. There is only one partition which corresponds to windows 7 but I don't know whether the Ubuntu is still there or probably corrupted. So, how to repair it or again install ubuntu ? Please suggest what I should do now? Thanks in advance. R Shukla

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  • Download the Official How-To Geek Trivia App for Windows 8

    - by The Geek
    The new How-To Geek Trivia application has just been approved in the Windows 8 store, so if you’re already running the release preview you can go and download it right now for free. It’ll give you a daily dose of geeky trivia right on your Windows 8 desktop. Click Here to Download Geek Trivia for Windows 8 Each trivia question will present you with the question, and then once you answer, will show you whether you picked the right one as well as the full description. How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • Some mail details about Orange Mauritius

    Being an internet service provider is not easy after all for a lot of companies. Luckily, there are quite some good international operators in this world. For example Orange Mauritius aka Mauritius Telecom aka Wanadoo(?) aka MyT here in Mauritius. The local circumstances give them a quasi-monopol position on fixed lines for telephony and therefore cable-based DSL internet connectivity. So far, not bad but as usual... the details. Just for the records, I am only using the services of Orange for mobile but friends and customers are bound, eh stuck, with other services of Orange Mauritius. And usually, being the IT guy, they get in touch with me to complain about problems or to ask questions on either their ADSL / MyT connection, mail services or whatever. Most of those issues are user-related and easily to solve by tweaking the configuration of their computer a little bit but sometimes it's getting weird. Using Orange ADSL... somewhere else Now, let's imagine we are an Orange ADSL customer for ages and we are using their mail services with our very own mail address like "[email protected]". We configured our mail client like Thunderbird, Outlook Express, Outlook or Windows Mail as publicly described, and we are able to receive and send emails like a champion. No problems at all, the world is green. Did I mention that we have a laptop? Ok, let's take our movable piece of information technology and visit a friend here on the island. Not surprising, he is also customer of Orange, so we can read and answer emails. But Orange is not the online internet service provider and one day, we happen to hang out with someone that uses Emtel via WiMAX or UMTS.. And the fun starts... We can still receive and read emails from our Orange mail account and the IT world is still bright but try to send mails to someone outside the domain "@intnet.mu" or "@orange.mu". Your mail client will deny sending mail with SMTP message 5.1.0 "blah not allowed". First guess, there is problem with the mail client, maybe magically the configuration changed over-night. But no it is still working at home... So, there is for sure a problem with the guy's internet connection. At least, it is his fault not to have Orange internet services, so it can not work properly... The Orange Mail FAQ After some more frustation we finally checkout the Orange Mail FAQ to see whether this (obviously?) common problem has been described already. Sorry, but those FAQ entries are even more confusing as it is not really clear how to handle this scenario. Best of all is that most of the entries are still refering to use servers of the domain "intnet.mu". I mean Orange will disable those systems in favour of the domain "orange.mu" in the near future and does not amend their FAQs. Come on, guys! Ok, settings for POP3 are there. Hm, what about the secure version POP3S? No signs at all... Even changing your mail client to use password encryption with STARTTLS is not allowed at all. Use "bow.intnet.mu" for incoming mail... Ahhh, pretty obvious host name. I mean, at least something like pop.intnet.mu or pop3.intnet.mu would have been more accurate. Funny of all, the hostname "pop.orange.mu" is accessible to receive your mail account. Alright, checking SMTP options for authentication or other like POP-before-SMTP or whatever well-known and established mechanism to send emails are described. I guess that spotting a whale or shark in Mauritian waters would be easier. Trial and error on SMTP settings reveal that neither STARTTLS or any other connection / password encryption is available. Using SSL/TLS on SMTP only reveals that there is no service answering your request. Calling customer service So, we have to bite into the bitter apple and get in touch with Orange customer service and complain/explain them our case and ask for advice. After some hiccups, we finally manage to get hold of someone competent in mail services and we receive the golden spoon of mail configuration made by Orange Mauritius: SMTP hostname: smtpauth.intnet.mu And the world of IT is surprisingly green again. Customer satisfaction? Dear Orange Mauritius, what's the problem with this information? Are you scared of mail spammer? Why isn't there any case in your FAQs? Ok, talking about your FAQs - simply said: they are badly outdated! Configure your mail client to use server name based in the domain intnet.mu but specify your account username with orange.mu as domain part. Although, that there are servers available on the domain orange.mu after all. So, why don't you provide current information like this: POP3 server name: pop.orange.muSMTP server name: smtp.orange.muSMTP authenticated: smtpauth.orange.mu It's not difficult, is it? In my humble opinion not really and you would provide clean, consistent and up-to-date information for your customers. This would produce less frustation and so less traffic on your customer service lines. Which after all, would improve the total user experience and satisfaction level on both sides. Without knowing these facts. Now, imagine you would take your laptop abroad and have to use other internet service providers to be able to be online... Calling your customer service would be unnecessary expensive!

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