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• IP Address on internet access shared over ad-hoc wifi network

  - by Jacxel

  The Situation When im staying at my girlfriends we both like to have internet access on our laptops but her accommodation don't allow wireless routers. My Question My question is if I set up an Ad-Hoc network to share the internet connection as shown here on How To Geek. Will my laptop be acting as a wireless router or will the connection all go through my laptop as one ip address so it appears to be my computer accessing the webpages etc, that my girlfriend actually is. i would be interested in knowing any additional information that could help sove this problem eg. if connectify would do what i want.

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• Time tracking tool for monitoring application usage

  - by wizlog

  I want to know how I'm really using my computer, and where the time goes (eg. I have an English paper due, and I intend on getting it done, its 2:30 PM... no wait, its 8:30 PM...). What software can tell me- a. what programs I use, and when b. within programs like Google Chrome or Firefox, which tabs do I spend the most time on. (So I know if I'm spending the time playing a game, or watching a movie on Hulu...)

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• SQL SERVER – Caption the Cartoon Contest – Last 2 Days

  - by pinaldave

  Developer’s life is very interesting, we often want to start my day early at a job so we can go home early. However, the day never comes as the life of the developer is always about working late hours. If the developer goes to the office early – there are good chances that his co-workers will come late. Additionally, I am confident that there will be always something urgent for developers or DBA to solve right at the time they are ready to go home. This is the life of the developers!  Here is the interesting story of a DBA who was about to go to the home. He had to take his girlfriend to a movie and dinner in 30 minutes. However, his manager asks him to fix the performance related issues with their production server. In normal case, he had only two choices a) Job or b) Girlfriend. Well, our super hero DBA decided to use efficient tools and improve the performance of the production server in merely 30 minutes. When he was done, his manager was absolutely surprised by his efficiency and accuracy of the work. He asked him following question - Here is the contest – you need to guess what was the answer of our Super Hero DBA. If you guess the answer correct you may win Star Wars R2-D2 Inflatable Remote Controlled device. Additionally, if you Download DB Optimizer before Dec 8, 2012 – you will be eligible for USD 25 Amazon Gift Card (there are total 10 such awards). Please do not leave comments in this thread – to participate in the contest – please leave a comment here in the original contest page. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Puzzle, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• Why are network printers not available in the Add Printer Wizard...when run over a network?

  - by Kev

  From a Windows 2003 server machine I browsed the network to an XP client (\computername in Explorer) then double-clicked Printers and Faxes and then Add Printer. In the wizard, normally the second screen asks if you want to install a local printer or a network printer. Well, in this case, it seems to assume I want a local printer, because the second screen is what would normally be the third screen if you chose local printer and clicked Next. I want to install a network printer on a remote machine for its local users. Is this not possible? If not, why not?

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• Mac internet problems

  - by Bradley Herman

  Our office is set up with mostly macs (7 of them) but we do have a windows laptop and a windows desktop on the network as well. The network is configured with a modem going into a switch/router throughout the office to the computers, along with a wireless router. Everything runs fine most of the time, but periodically while using the web, certain sites will stop loading and timeout repeatedly. This usually lasts 20 minutes or so and can be incredibly annoying. Resetting the modem/router and/or rebooting the computer never helps. The weirdest part is that in almost every case, the websites are fine on our Windows machines. I frequently use github, google, Stack Overflow, and jQuery reference and I can count on the sites being unavailable to me at least once a day. While I can't get them to load, I can spin my chair around to the windows server behind me and load the sites just fine. Any idea what the hell could be going on here?

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• How do I diagnose a HP Notebook which has hardware issues?

  - by Rob

  My HP DV6t-2300 recently crashed while using FLV Player. It wouldn't start up after this so I had to do a hardware reset (remove power sources, hold down power button ~15 seconds, put back power sources). After this it would turn on, but start up would freeze in Ubuntu, Windows 7, Ubuntu Recovery Mode, and various Linux Live CDs. The only successful way to boot was in Windows 7 Safe Mode. The HP Customer Service was very polite, but they are trying to blame it on a corrupt operating system which is clearly not the case (since I have tried 4 operating systems and none work). I am thinking it might be the GPU since 1) I was watching movies when it crashed and 2) Windows Safe Mode might not use the dedicated GPU. I already ran Memory and HDD tests and there were no detected errors. Any ideas of what's wrong, or suggestions for tests that I should run in safe mode? Should I try reinstalling Windows 7 to convince HP that it's not the OS?

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• Zero bytes on home partition

  - by Michael Z

  I decided to replace the hard drive on my machine running Ubuntu 12.04 LTS . After using the new hard drive for a few days, I noticed that the new hard drive has bad sectors. So I decided to plug my old hard drive back in. First, I plugged both hard drives in and copied some data files from the new hard drive to the old one. After unplugging the new hard drive, I booted the computer with the old hard drive, and here I got a surprise: I can see 0 bytes available on my /home partition! The df utility shows that the /home partition has 0 available bytes. I have tried to move some files. But I still has 0 bytes on /home! However, GParted correctly shows that the available size is near 2Gb. UPDATE 1: To my surprise, System Monitor shows me that approximately 2 Gb are free and 0 bytes are available on the /home partition. It's slightly shocked me! Are "free" and "available" not the same? Any help is really appreciated!

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• Compiz slow under proprietary nvidia driver

  - by gsedej

  Hi! I am using Ubuntu 10.10 and have problem with proprietary nvidia driver for my GeForce GTS 250. I have issue with poor Compiz performance. And there is also open-source "noueau" driver. Proprietary: I tried many versions but neither works fast on desktop. This means 30 FPS without heavy effects. Currently I am using version 270.18. Even normal desktop use feels bad (moving windows) In games (and 3D benchmark) it is really good! (Unigine Heaven works good!) Open-source "nouveau": Very fast on desktop with heavy effects (blur, ...). I have 300 FPS and more, even in Expo mode. Games were good but not as good as prop. And driver causes xorg to crash even the latest (ppa:xorg-edgers/nouveau), so I switched back to proprietary. I also have computer with Ubuntu 10.04, GeForce 8600GT and drivers around 185.x and Compiz works great there. There is similar question Nvidia proprietary driver performance in 10.10 Which version of nvidia (prop) driver is fast in Compiz in Ubuntu 10.10? How do you install a specific version of nvidia driver? Is it the case that each newer driver works slower on compiz?

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• Multiple CD writer taking long to burn

  - by Mirage

  I have installed 6 DVD writers in Tower case. I am using Alcohol Software to burn multiple CDS. I have seen that about 4 dvd/cd writer finish recording early but some take long time finish and their speed is around 7x. Its not that those are the only writers doing that, some times other writer write slowly. But there are always 1 or 2 writer which takes about 25 min to write the 700Mb cd and some finish in 5 mins Why is that. All writers can write upto 40px speed. Which thing determines the speed

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• How soon does nginx's token bucket replenish when limiting at requests per minute?

  - by Michael Gorsuch

  Hi all. We've decided that we want to experiment and limit requests per minute instead of requests per second on our sites. However, I am confused by the burst parameter in this context. I am under the impression that when you use the 'nodelay' flag, the rate limiting facility acts like a token bucket instead of a leaky bucket. That being the case, the bucket size is equal to the burst parameter, and every time that you violate the policy (say 1 req/s), you have to put a token in the bucket. Once the bucket is full (being equal to the burst setting), you are given a 503 error page. I am also under the impression that once a violator stops going against the policy, a token is removed from the bucket at a rate of 1 token/s allowing him to regain access to the site. Assuming that I have the above correct, my question is what happens when I start regulating access per minute? If we chose 60 requests per minute, at what rate does the token bucket replenish?

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• Internal hard drive, can't format

  - by user113923

  I cannot format anymore the hard drive of my laptop. Here is how I proceed: I am starting my computer with a USB live drive (Ubuntu 10.04 LTS - the Lucid Lynx). Then I start disk utility and try to format the hard drive - I choosed to format the Master boot record but I get the following error: Error creating partition table: helper exited with exit code 1: Error calling fsync(2) on /dev/sda: Input/output error If I try to delete partitions I get the following error Error erasing: helper exited with exit code 1: In part_del_partition: device_file=/dev/sda, offset=32256 Entering MS-DOS parser (offset=0, size=30005821440) MSDOS_MAGIC found looking at part 0 (offset 32256, size 4096157184, type 0x83) new part entry looking at part 1 (offset 10618836480, size 8414461440, type 0x83) new part entry looking at part 2 (offset 19033297920, size 1077511680, type 0x82) new part entry looking at part 3 (offset 20110809600, size 9895011840, type 0x07) new part entry Exiting MS-DOS parser MSDOS partition table detected got it got disk got partition - part-type=0 Error: Input/output error during write on /dev/sda ped_disk_commit_to_dev() failed If I try to install ubuntu frrom the usb on the hard drive and choose erase and use the entire disk I get the error message Input/output error during write on /dev/sda For side infos I have at the moment 4 partitions on my hard drive: /dev/sda1 (ext2) /dev/sda2 (ext2) /dev/sda3 (swap) /dev/sda1 (ntfs) + /dev/sda (unlocated Space) My ultimate goal is to reinstall ubuntu and have only 2 partitions... I would really appreciate any help here! Thanks JB

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• PNG alpha rendered as black in Blender

  - by Camilo Martin

  I'm a Blender novice, so this is probably easy to fix. When I use a transparent PNG as a texture in Blender, the parts that should be transparent are rendered as black. This is especially confusing since in the material preview it looks as if the material would indeed be transparent. Here's a screenshot: This is the test texture, and in the right on top of a checkerboard:                        Here is the .blend file in case you want to check it:                                                      

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• Why does the EFI shell not detect my Windows DVD?

  - by Oliver Salzburg

  I'm currently looking into (U)EFI for the first time and am already really confused. I insert the Windows Server 2008 R2 Enterprise disc into the DVD-ROM and boot into the EFI shell. The shell will automatically list all detected devices, which are: blk0 :CDRom - Alias (null) Acpi(PNP0A03,0)/Pci(1F|2)/Ata(Primary,Master)/CDROM(Entry0) blk1 :BlockDevice - Alias (null) Acpi(PNP0A03,0)/Pci(1F|2)/Ata(Primary,Master) To my understanding, it should have already detected the filesystem on blk0 and should have mounted it as fs0. Why is that not happening? If I insert a USB drive, it gets mounted just fine. The board is an Intel S5520HC in case that makes a difference.

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• Laptop battery life drastically decreased compared to Windows 7

  - by Aron Rotteveel

  I am running Ubuntu 10.10 on my Dell Studio XPS 1640 and have about one hour of battery life in it, compared to about 2.5 hours running on Windows 7. This is with wireless and bluetooth on, but still, the difference seems incredible. What could be causing such a difference and is there a way to close the gap without losing core functionality? EDIT: here's some output from powertop. This is with bluetooth turned off and Wifi turned on. The output seems pretty normal to me, but as indicated, this is about 1 hour of battery life on a full battery... Wakeups-from-idle per second : 476.2 interval: 10.0s Power usage (ACPI estimate): 2.5W (1.2 hours) Top causes for wakeups: 30.0% (167.2)D chrome 21.0% (117.3) [extra timer interrupt] 13.9% ( 77.4) [kernel scheduler] Load balancing tick 3.4% ( 18.9)D xchat 7.1% ( 39.8) [iwlagn] <interrupt> 5.9% ( 32.9) AptanaStudio3 3.9% ( 21.6)D java 2.7% ( 14.9) [TLB shootdowns] <kernel IPI> 2.5% ( 14.1) docky 1.8% ( 10.0) nautilus 1.6% ( 9.0) thunderbird-bin 1.0% ( 5.5) [ahci] <interrupt> 0.9% ( 5.0) syndaemon 0.8% ( 4.3) [kernel core] hrtimer_start (tick_sched_timer) EDIT: after changing /proc/sys/vm/laptop_mode to 5 (it was set to 0), wakeups seem to have decreased, although usage still seems far too high: Wakeups-from-idle per second : 263.8 interval: 10.0s Power usage (ACPI estimate): 2.6W (0.9 hours) EDIT: I seem to have discovered the main cause: I was using the open source ATI Drivers. I recently installed the official ATI drivers and laptop battery life seems to have doubled since. EDIT: last edit. The previous 'solution' of installing the official ATI drivers turns out to be a non-solution. Although it does increase battery life, my laptop resolution is maxed out at 1200x800 after a reboot. (Please note that this problem does not need answering in this question as it is a seperate case)

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• Ubuntu boot problem/unity failure

  - by Kenny

  So here I am sitting in a big pile of muck...over the last 2 days things have just been going from bad to worse with version of Ubuntu 12.10. So 2 days ago I was fiddling around with kismet and airmon-ng. I had added a bunch of libraries, I remember adding GTK+, Glib, Pango, etc. After restarting the other day my desktop opened fine but my background was changed to the default and none of my files on the desktop were visible and the top bar and side bar were not visible or functioning. The window managers were still working. I then tried reinstalling my nvidia drivers to see if that would change anything, it did not. Then after doing some searching online I found something that suggested I try deleting the file "libgtk-3.so.0". I deleted this and tried to restart the computer. Upon restart, I was greeted by a black screen with some writing saying something about -starting clamAV [OK] -problem with Apache Server could not verify correct...something... - checking battery state [ok]. After it gets to battery state it just stops and sits there indefinitely. So to sum, I cannot login to ubuntu because it just sits at this black screeen. If anyone has any idea as to what is going on and how to fix it please let me know. Thanks!

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• Is there such thing as a portable database that runs easily OsX and Windows?

  - by Jean-Philippe Murray

  I need to make a small database for a project at school (not computer related at all, I'm indexing and categorizing paper documents of a research projet). The thing is that in september, my semester is over and other students will have to taker over the project (and so on, for every semester!), so I'd need something that would be free and OS agnostic (or at least OsX/Windows) so it would easily be given to the next students on the project. I was thinking about a WAMP running USB key that would have a MySQL / HTML interface, but it will become locked to the OS I choose first. LibreOffice and the likes will be an option in the end if I don't find anything truly portable. Anyone has a solution in mind?

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• Host grub error after installing Virtualbox - Non Recoverable

  - by BiggJJ

  I have been unable to fine a resolution to my problem and I have been suffering from it for a while. I can install Virtualbox and can reboot the machine successfully straight after. Once the system is back up I can run Virtualbox ans start working towards creating a new machine. So, say I am installing an XP machine. 1 time out of 10 it will work successfully first time. If it doesn't work (i.e BSOD), I delete the machine and start again. But when the time comes to finish up and switch off my computer, but it doesn't happen gracefully. As soon as I click shutdown, The machine dies. When the machine is switched back on I get: Error: no such device grub resuce I boot up my Grub Fix Live CD, but the grub reinstaller get stuck on searching for partitions, gparted just get stuck looking for devices and even fdisk -l drops a line and displays nothing and is the same. Stuck. The only way I know how to sort it is by re-installing Ubuntu. Has anyone had this problem, or know how to fix it?

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• Restrictive routing best practices for Google App Engine with python?

  - by Aleksandr Makov

  Say I have a simple structure: app = webapp2.WSGIApplication([ (r'/', 'pages.login'), (r'/profile', 'pages.profile'), (r'/dashboard', 'pages.dash'), ], debug=True) Basically all pages require authentication except for the login. If visitor tries to reach a restrictive page and he isn't authorized (or lacks privileges) then he gets redirected to the login view. The question is about the routing design. Should I check the auth and ACL privs in each of the modules (pages.profile and pages.dash from example above), or just pass all requests through the single routing mechanism: app = webapp2.WSGIApplication([ (r'/', 'pages.login'), (r'/.+', 'router') ], debug=True) I'm still quite new to the GAE, but my app requires authentication as well as ACL. I'm aware that there's login directive on the server config level, but I don't know how it works and how I can tight it with my ACL logic and what's worse I cannot estimate time needed to get it running. Besides, it looks only to provide only 2 user groups: admin and user. In any case, that's the configuration I use: handlers: - url: /favicon.ico static_files: static/favicon.ico upload: static/favicon.ico - url: /static/* static_dir: static - url: .* script: main.app secure: always Or I miss something here and ACL can be set in the config file? Thanks.

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• Cannot terminate proces: access is denied

  - by jao

  Skype and Spotify remain active after I close them. When I try to close them via Task Manager Details End Task, I get the following error: The operation could not be completed. Access is denied. So I have to reboot to get rid of these programs or to log in to Skype again. Also, running a CMD as administrator and executing taskkill /f /im skype.exe results in an Access is denied error. What is going on? (this is Windows 8 RTM x64) update I have to kill skype.exe because it crashed and when I restart skype, I get the following error: It says: Could not open Skype, you are already signed in on this computer. update 2 The process is owned by my own username.

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• Cloning a USB flash drive to another larger one, is it safe to do so?

  - by Rob Kam

  I used Acronis True Image Home 2010 to clone a Dane-Elec zLight 8Gb pen drive/USB flash drive to a PNY Attaché 16Gb USB flash drive. Now WinXP shows the drive in device manager as USB DISK 2.0 USB DEVICE but doesn't have it in My Computer/doesn't assign it a drive letter. What is it that has messed up the PNY Attaché and is there some way to repair it so that it can be used as a regular USB flash drive again? Is there a safe way to clone a USB flash drive to another larger one? How safe is it to backup and restore a USB flash drive to/from a drive-image?

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• Ubuntu 11.10 power management does not recognize removal of power supply!

  - by sema

  I have a Lenovo Ideapad Z370 with Ubuntu 11.10 and the battery status indicator shows wrong information. Problem: The indicator always shows that the power supply is connected, even if it's not connected. The battery charges and discharges normally. However, the status information is wrong. When charging, the "time to charge" decreases, and when discharging the "time to charge" increases. If the power supply is connected the power statistics show: "Supply Yes" "Online Yes" If it is not connected it shows: "Supply Yes" "Online No" My trials: I tried reinstalling the indicator applet, but that doesn't help. Searching for solutions or similar problems didn't point out any help. Background: The problem occured after I switched the battery mode in Windows. (I use a dual boot system.) Lenovo drivers allow a "battery runtime mode" for maximum runtime and a "battery health mode" for maximum battery lifetime. I initially used the runtime mode, tried the health mode for some time, but switched back to the runtime mode. The problem occured after switching to health mode. Does anyone have an idea what is wrong? The problem is relevant for me as I get no information when battery status low and the computer runs out of energy without shutdown or hibernation. This is really a problem for me!

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• Taking ownership of trustedinstaller files?

  - by P a u l

  vista32-sp1: I am unable to delete some files on my system that were installed with 'special permissions' by 'trustedinstaller'. I find the usual help suggestion to use 'takeown' is not working, all I get is access denied. I refuse to believe there isn't some way to delete these files, or that microsoft has finally acheived their perfect security filesystem. This is NOT a case of a file being locked by a process. If this is all it was, I could solve this by myself. I know there are some recommended unlocking programs and they might do some sort of file system trick, but I would like to know what my possible direct actions might be. If a 3rd party program can 'unlock' a file, I want to know the mechanism. But like I said 'takeown' at the command line is not working for this.

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• Remotely connecting to a Hyper-V hosted VM's console.

  - by billpg

  Hi everyone. I've just managed to successfully move an aging beige box into a Hyper-V virtual machine. We used to use the beige box by walking over and sitting at the computer itself, but we can't do that so easily when its inside the Hyper-V system. Is there a way please to access the VM's console from a workstation running XP Pro? Please note that its an obscure OS running inside the VM, so installing a VNC or similar service inside the VM is not an option. Many thanks.

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• ArchBeat Link-o-Rama for November 27, 2012

  - by Bob Rhubart

  Eventing Hello World | Ronald van Luttikhuizen Oracle ACE Director Ronald van Luttikhuizen shares the slides, source code, and other information from his recent presentation at the DOAG conference in Nürnberg. How to Create Virtual Directory in Weblogic Server | Zeeshan Baig Oracle ACE Zeeshan Baig shows you how in six easy steps. ADF Mobile - Secured Web Service Access | Andrejus Baranovskis "There are good tutorials how to consume open Web Service in ADF Mobile," says Oracle ACE Director Andrejus Baranovskis, "but in practice almost every Web Service exposed for the mobile must be secured - who wants to expose open Web Service on the public internet?" His blog post will set you on the right course. How-to: Starting with Oracle Service Bus | Dr. Frank Munz Dr. Frank Munz shares advice and resources for those interested in getting started with Oracle Service Bus. One-Stop Shop for Oracle Webcasts Webcasts can be a great way to get information about Oracle products without having to go cross-eyed reading yet another document off your computer screen. Oracle's new Webcast Center offers selectable filtering to make it easy to get to the information you want. Yes, you have to register to gain access, but that process is quick, and with over 200 webcasts to choose from you know you'll find useful content. Thought for the Day "There is only one thing more painful than learning from experience and that is not learning from experience." — Archibald MacLeish (May 7, 1892 – April 20, 1982) Source: SoftwareQuotes.com

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• Ubuntu Desktop does not load

  - by Niklas

  If I login on my Ubuntu 14.04, I get the following desktop: This weird behavior appeared after I executed sudo apt-get update && sudo apt-get upgrade and restarted my computer. Don't know why though. To my Ubuntu I have tried the following (nothing seems to work so far) Fix any broken packages: sudo apt-get update sudo apt-get autoclean sudo apt-get clean sudo apt-get autoremove Locate any broken packages and reinstall them: sudo apt-get install debsums sudo apt-get clean sudo debsums_init sudo debsums -cs sudo apt-get install --reinstall $(sudo dpkg -S $(sudo debsums -c) | cut -d : -f 1 | sort -u) Removing some compiz files: rm -r ~/.cache/compizconfig-1 rm -r ~/.compiz Purging of NVIDIA and installing NVIDIA-prime: sudo apt-get install --reinstall ubuntu-desktop sudo apt-get install unity sudo apt-get purge nvidia* bumblebee* sudo apt-get install nvidia-prime sudo shutdown -r now Compizconfig Settings Manager: sudo apt-get install compizconfig-settings-manager export DISPLAY=:0 ccsm // Back to UI and enablement of Unity Plugin Unity replace, which stopped at a while and did nothing afterwards unity --replace Some dconf reset dconf reset -f /org/compiz/ unity --reset-icons &disown Actually dconf did not work and I got this error: error: Cannot autolaunch D-Bus without X11 $DISPLAY Can anybody help me on that? This is my hardware (hope it helps in any way): Intel® Core™ i7-3770 ASUS GTX660TI-DC2-OG-2GD5 (NVIDIA driver is/was installed) ASUS P8Z77-V LX Corsair DIMM 8 GB DDR3-1600 Kit Samsung 830series 2,5" 256 GB (Windows is installed here) Seagate ST31000524AS 1 TB (3/4 are reserved for files; 1/4 is for Ubuntu (16GB swap included))

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