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• Linux / UNIX: Encrypt Backup Tape Using Tar &amp; OpenSSL

  <b>Cyberciti:</b> "How do I make sure only authorized person access my backups stored on the tape drives (DAT, DLT, LTO-4 etc) under Linux or UNIX operating systems? How do I backup /array22/vol4/home/ to /dev/rmt/5mn or /dev/st0 in encrypted mode?"

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• Nvidia GT218 repository drivers don't work

  - by user1042840

  I upgraded all packages with sudo apt-get upgrade command on my Ubuntu 10.04 box and I have Ubuntu 12.04 3.2.0-29-generic-pae now. I have two monitors and the following GPU: 01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 300] (rev a2) After upgrading to 12.04, I somehow lost my previous setup with one common workspace stretched across two monitors. When Ubuntu starts only one monitor is on. I can see the message on the active monitor: Not optimum mode. Recommended mode: 1680x1050 60Hz I used Nvidia proprietary drivers on 10.04 but now jockey-text --list shows: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use) xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Enabled, Not in use) When I run sudo nvidia-settings it says You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server.' I typed nvidia-xconfig and rebooted, but jockey-text --list says the same after the reboot: Not in use. The same with nvidia-current - Enabled but Not in use. I also tried nvidia-173 but I ended up in tty immediately at startup so I removed it. I used to have some problems with Nvidia proprietary drivers on 10.04, I had to put paths to EDID files in /etc/X11/xorg.conf explicitly, but the resolution was as recommended and both monitors were working. If I understand correctly, nouveau drivers are used now by default because the resolution is still quite high, definitely not 800x600, xrandr showed: xrandr: Failed to get size of gamma for output default Screen 0: minimum 320 x 400, current 1600 x 1200, maximum 1600 x 1200 default connected 1600x1200+0+0 0mm x 0mm 1600x1200 66.0* 1280x1024 76.0 1024x768 76.0 800x600 73.0 640x480 73.0 640x400 0.0 320x400 0.0 1680x1050_60.00 (0x4f) 146.2MHz h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.3KHz v: height 1050 start 1053 end 1059 total 1089 clock 60.0Hz However, colors seem a bit faded and blurry with nouveau drivers. Mouse cursor is invisible if it's placed inside Firefox window, and only one monitor is working. I like open source and if it's possible I'd prefer to use nouveau drivers but a few things should be fixed. I'm curious why nvidia-current drivers from the repository don't work now. I read it has something to do with the new X11 server in Ubuntu 12.04, is it true? How can I get it back to work?

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• iwconfig, iw not displaying wireless information

  - by Srivatsa Kanchi

  after fresh install to 12.10, the wireless information is not shown by both iwconfig and iw. The wireless sets up successfully and able to connect This is what i get $ iwconfig wlan0 wlan0 IEEE 802.11abgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=14 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off $ iw wlan0 link Not connected. $ uname -a Linux srivatsa-ThinkPad-T61 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

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• Mount: "The disk drive for UUID=<uuid for /> is not ready yet or not present."

  - by searchfgold6789

  I recently did the update from 12.04 to 12.10 on my old Dell Latitude CPx laptop (Pentium III). When I rebooted I got this error message with no response from keyboard input. Below it is says Wait to continue, press S to skip mounting, or M for manual recovery. I also see occasional errors pop up on the screen from mountall and Plymouth. I can still get into Recovery Mode. Can anyone shed some light on the matter?

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• typeset: not found error when executing shell script. Am I missing a package or something?

  - by user11045

  Hi, below is the error and corresponding script lines: spec@Lucifer:~/Documents/seagull.svn.LINUX$ ./build.ksh ./build.ksh: 36: typeset: not found ./build.ksh: 39: typeset: not found ./build.ksh: 44: function: not found Command line syntax of - options -exec : mode used for compilation (default RELEASE) -target : target used for compilation (default all) -help : display the command line syntax ./build.ksh: 52: function: not found ERROR: spec@Lucifer:~/Documents/seagull.svn.LINUX$ Script Init of variables BUILD_TARGET=${BUILD_DEFAULT_TARGET} BUILD_EXEC=${BUILD_DEFAULT_EXEC} typeset -u BUILD_OS=uname -s | tr '-' '_' | tr '.' '_' | tr '/' '_' BUILD_CODE_DIRECTORY=code BUILD_DIRECTORY=pwd typeset -u BUILD_ARCH=uname -m | tr '-' '_' | tr '.' '_' | tr '/' '_' BUILD_VERSION_FILE=build.conf BUILD_DIST_MODE=0 BUILD_FORCE_MODE=0

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• How do I disable network connection at prelogin?

  - by ProGNOMmers

  --- This question is related to Ubuntu 12.10, since previous versions did not connect to network before login --- I had a bad boot today: the Ubuntu screen was blocked at startup time, after a green [OK] and a white blinking underscore. In recovery mode I figured out the problem: NetworkManager hung trying to connect to a wireless network that wasn't available anymore, and so I couldn't reach the prelogin level. Anyway: I really don't like that the pc connects to a network before the user logging in. How is it possible to disable it?

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• Read-only filesystem

  - by János Harsányi

  I've resized a partition (ext4) from a Live CD with GParted, and after reboot it says that the file system is read-only. I've rebooted again from the CD and checked it with GParted with no errors. How could I find out why does it re-mount the file system in read-only mode? edit: It starts normally, but after some time, the "/" mount point gets remounted with read only settings, so I think it does have errors eventually. Is there any other way to repair it?

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• Previewing a Demo Level in Mobile for UDK?

  - by Reno Yeo

  I've already clicked on "Emulate Mobile Features" and everything has been compiled. I've also set the mobile previewer settings to iPhone 4's dimensions and features. However, when i click on the mobile previewer, a new window pops up but it goes into a "Not Responding" mode after a while. Is there anything I'm doing wrong? To be honest, I'm afraid of the difficulty curve required in learning UDK, but I am interested in developing a game for it.

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• openGL managing images, VBOs and shaders

  - by roxlu

  I'm working on a game where I use shaders with vertex attributes (so not immediate mode). I'm drawing lots of images and changing the width/height of the quads I use to draw them a lot. To optimize this it's probably a good idea to have one buffer but then one needs to update the complete buffer when one image changes (or only a part of the buffer using glBufferSubData...) I was just wondering what kind of strategies you guys are using?

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• Portal 2 in LEGO Stop Motion [Video]

  - by Jason Fitzpatrick

  If you’re a fan of the Portal video game series, this well-executed LEGO stop-motion film combines Portal characters, clever animation, jokes, and even a Black Mesa reference or two. LEGO Portal 2 [via Wired] How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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• Dual boot - 12.04 installed first

  - by graeme

  I have found many guides with how to install windows and ubuntu in dual boot mode, but none from the perspective of a Ubuntu user. Unfortunately Wine or OpenOffice do not display a document that I am working on properly so I am forced to getting windows back temporarily. Can anyone give me some guidance on how to go about this, sorry but step by step instructions are needed as I am still fairly new to Linux

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• Combobox binding with different types

  - by George Evjen

  Binding to comboboxes in Silverlight has been an adventure the past couple of days. In our framework at ArchitectNow we use LookupGroups and LookupValues. In our database we would have a LookupGroup of NBA Teams for example. The group would be called NBATeams, we get the LookupGroupID and then get the values from the LookupValues table. So we would end up with a list of all 30+ teams. Our lookup values entity has a display text(string), value(string), IsActive and some other fields. With our applications we load all this information into the system when the user is logging in or right after they login. So in cache we have a list of groups and values that we can get at whenever we want to. We get this information in our framework simply by creating an observable collection of type LookupValue. To get a list of these values into our property all we have to do is. var NBATeams = AppContext.Current.LookupSerivce.GetLookupValues(“NBATeams”); Our combobox then is bound like this. (We use telerik components in most if not all our projects) <telerik:RadComboBox ItemsSource="{Binding NBATeams}”></telerik:RadComboBox> This should give you a list in your combobox. We also set up another property in our ViewModel that is a just single object of NBATeams  - “SelectedNBATeam” Our selectedItem in our combobox would look like, we would set this to a two way binding since we are sending data back. SelectedItem={Binding SelectedNBATeam, mode=TwoWay}” This is all pretty straight forward and we use this pattern throughout all our applications. What do you do though when you have a combobox in a ItemsControl or ListBox? Here we have a list of NBA Teams that are a string that are being brought back from the database. We cant have the selected item be our LookupValue because the data is a string and its being bound in an ItemsControl. In the example above we would just have the combobox in a form. Here though we have it in a ItemsControl, where there is no selected item from the initial ItemsSource. In order to get the selected item to be displayed in the combobox you have to convert the LookupValue to a string. Then instead of using SelectedItem in the combobox use SelectedValue. To convert the LookupValue we do this. Create an observable collection of strings public ObservableCollection<string> NBATeams { get; set;} Then convert your lookups to strings var NBATeams = new ObservableCollection<string>(AppContext.Current.LookupService.GetLookupValues(“NBATeams”).Select(x => x.DisplayText)); This will give us a list of strings and our selected value should be bound to the NBATeams property in our ItemsSource in our ItemsControl. SelectedValue={Binding NBATeam, mode=TwoWay}”

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• Send Free SMS From PC To Mobile

  In todays'; fast paced environment when everyone is heading a hectic life-style, people want a medium that can be effective along with cost-effective. So, it is very much necessary to find a mode that... [Author: Nisha Garg - Computers and Internet - June 02, 2010]

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• Ralink Bluetooth not working in Ubuntu 13.04

  - by Sourabh

  My Bluetooth is not working in Ubuntu 13.04. I am unable to turn it on and also, Bluetooth icon doesn't show up in the top bar. I asked about this on #ubuntu IRC and they said that I am missing the proprietary drivers for it. There is nothing under Additional Drivers in Software and Updates Bluetooth does work 'Try Ubuntu mode' when I boot Ubuntu from DVD/USB. How can I get the required drivers?

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• How do I tell what bitness my code is running in? (2 replies)

  I want to tell if we are running in 32 bit or 64 bit mode. thanks dave david@at at [email protected] Windward Reports http://www.WindwardReports.com me http://dave.thielen.com Cubicle Wars http://www.windwardreports.com/film.htm

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• How do I determine whether bumblebee is working as expected?

  - by Christian Fazzini

  I followed the instructions at https://wiki.ubuntu.com/Bumblebee sudo add-apt-repository ppa:bumblebee/stable sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update Instead of installing the proprietary nvidia drivers, via: sudo apt-get install bumblebee bumblebee-nvidia linux-headers-generic I did: sudo apt-get install --no-install-recommends bumblebee linux-headers-generic How do I determine that power savings mode is active and that my dedicated GPU isn't running? One thing that bugs me is that if I go to System Settings - Details - Graphics. Driver is shown as Unknown.

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• Can't Run Assault Cube

  - by Debashis Pradhan

  I installed assault cube from the Software centre and it just opens for half a second and closes. When i run in it from the terminal, this is what i get - d@d-platform:~$ assaultcube Using home directory: /home/d/.assaultcube_v1.104 current locale: en_IN init: sdl init: net init: world init: video: sdl init: video: mode X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 129 (XFree86-VidModeExtension) Minor opcode of failed request: 10 (XF86VidModeSwitchToMode) Value in failed request: 0xb3 Serial number of failed request: 131 Current serial number in output stream: 133

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• Which card readers support HID (Human Interface Device) and emulate keyboard input? [closed]

  - by Level1Coder

  I'm looking for a card reader to interface with an inhouse webapp and need it to emulate keyboard input to type the card data (serial number) into a web form. A simple usage scenario would be where I open notepad, have notepad focused as front most, swipe the card, and the card reader can type out the card data into notepad as plain text. As long as this works, the card data can work with any web form. Which card readers supports this kind of keyboard emulation mode?

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• Scrum et les changements pendant un sprint - Traiter les changements en flot continu avec une dose d

  L'agilité se définit souvent comme la capacité à répondre aux changements. Par exemple, Scrum permet au client d'incorporer des changements dans le périmètre fonctionnel à chaque fin de sprint. Le paradoxe, c'est que nombreuses de ces équipes sont dans un mode de changements quasi-permanents. Cet article expose des pistes leur permettant une transition plus douce en introduisant une dose de Kanban dans un cadre Scrum.

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• How can i enable my bluetooth and set-up its adapter config in my Ideapad S100

  - by RADKEL05

  I installed Ubuntu 12.04 in my Ideapad S100 it look seem perfect after I installed it, but when i tried to connect my phone via bluetooth, i cannot enable the slide button in the Bluetooth setting and it keeps returning back to "OFF" and the visible button is also in Disable mode. I already tried other solution like installing Blueman, re-write code such as rfkill bluetooth and this echo disable /proc/acpi/ibm/bluetooth. It still doesn't work at all, and regarding to my Wi-Fi i don't have any issue on it.

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• CPU temperature higher under Ubuntu 12.10 than under Windows 7

  - by user110019

  The CPU temperature under Ubuntu 12.10 is significantly higher than under Windows 7 doing similar tasks. For example, the CPU temperature under Windows when watching flash videos is around 50-60 degrees, under Ubuntu it is between 65-75. In idle mode in Ubuntu it is usually around 50. I use an i3 core and an integrated graphics. Is there a way to lower the temperature? And I don't mean via Jupiter as this doesn't work for watching videos..

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• How to Start thunderbird on startup on ubuntu 12.04

  - by Levan

  So i want to start minimized thunderbird on ubuntu startup I used this, but this was not helpful after following it , i could not even start thunderbird, to fix this i had to start it in safe mode and delete the ,,FireTray Plugin" after that it started to work but it deleted all my email accounts and had to do that chore all over again so is there a way to start thunderbird minimized on startuo ?? thank you in advanced

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• Stairway to SQLCLR Level 3: Security (General and SAFE Assemblies)

  In the third level of our Stairway to SQLCLR, we look at the various mechanisms in place to help us control Security. In this Level we will focus on SAFE mode and see how secure SQLCLR is by default. Free eBook - Performance Tuning with DMVsThis free eBook provides you with the core techniques and scripts to monitor your query execution, index usage, session and transaction activity, disk IO, and more. Download the free eBook.

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• How to Do a Full Shutdown in Windows 8 Without Disabling Hybrid Boot

  - by Taylor Gibb

  Windows 8 comes with a new Hybrid Boot feature, which decreases boot times. But from time to time you may find you need to do a classic, full shutdown. Here’s how to do just that without disabling Hybrid Boot. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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• Evolution laggy due to IMAP -profile or due to some odd Sync -issue?

  - by Izzy

  I'm fighting with Evolution. Basically it's working fine -- but it is very slow to react in certain situations. Helper questions Could it be that changing away from Bonobo has to do with slowing-down? There might be some trouble with the new engine and "asynchronous actions". What to do about it? Are there e.g. any configuration files? I want to get the previous "working mood" back. How can I speed this thing up? Different scenarios when sending a mail, the composer window hangs there inactive for a couple of seconds, everything grayed out. Though there is a green check mark saying it's sent, I'm not sure a) why it's still blocking everything and b) whether I could simply close it without "breaking"/"losing" anything. In earlier versions, the composer window was closing pretty fast, and one could see the message being stored into the local "outbox" until it was sent, and one could immediately continue with the next task. I prefer that behaviour over the current, where I cannot do anything in the application until the window closes. switching between modules. Coming from mail and switching to the address book takes a couple of seconds. Same for switching to the calendar. I read about different "possible causes" and tried a few things: I only have 3 local address books, so no networking should be involved here. To make sure, I switched to offline mode and then tried to access the address book. No noticeable difference. I use 3 Google Calendars. Switching to offline mode made a minor difference, but so minor that it also could be "imagination" since one might have expected this in this case according to some reports, disabling the tasks should help. Well, it didn't in my case, as I don't use them regularly (just two local items stored here) Maybe I should also mention that I'm using the KDE4 desktop (so no Unity or Gnome, though both is installed on the computer). And I did not have this issue before I updated to 12.04.

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