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• Is Pluto a Planet or Not? [Video]

  - by Asian Angel

  Have you ever wondered why Pluto lost its status as a planet? This video explains why it happened and shows the set of criteria that scientists use to determine a celestial body’s status as a planet or not. Is Pluto a planet? [via Geeks are Sexy] HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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• LDAP System Authentication in Ubuntu

  - by andrew

  Hi, I'm having a bit of an issue with system authentication against LDAP in Ubuntu. The LDAP server is OpenLDAP on Ubuntu 10.10, and the client is Ubuntu 10.10 also. I've set up the client by following the "LDAP Authentication" steps at https://help.ubuntu.com/10.10/serverguide/C/openldap-server.html apt-get install libnss-ldap; auth-client-config -t nss -p lac_ldap; pam-auth-update I've done these steps on the server and been able to see LDAP users when running getent passwd. Doing the same steps on the client, getent passwd does not return any LDAP users. Any ideas?

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• Operation System Clone from a Motherboard to Another

  - by Devian

  Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your opinions. Lets say that we have 2 ATX Motherboards and 1 MicroATX. Motherboard Setup: 1x ASUS Rampage Extreme Black Edition 1x Intel Core i7 4960x 4x GTX Titan 8x 8GB 1866 Ram Motherboard Setup: 1x SuperMicro X9DRG-QF 2x Intel Xeon E7-8890V2 1x nVIDIA QUADRO K6000 4x nVIDIA Tesla K40 128 GB 1866 Ram And imagine a Solid State Drive with a Switch connected to both of the MotherBoards Can i edit & copy all the data of The first motherboard's RAM to The Other's to be able to continue operating my current Operation System after switching the SSD to the Second Motherboard, from the Second MotherBoard and vice versa? Les say my "Switch Application" modifies everything the Kernel needs to believe nothing happend and continuing its operation from the same point the first motherboard stopped. (Changes on the Device List, CPU Cores, Drivers... etc)

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• how to set owner and permission to a cryptsetup made device?

  - by Antoine Rodriguez

  I have an encrypted loopback volume. I need to mount and umount manually the volume so I use cryptsetup luksOpen and cryptsetup luksClose . However, When I invoke this command it pops up the /dev/mapper device under all the sessions under gnome/xfce/kde/unity ... And then it let the user to mount (with password), expulse and unmount the volume. It's quite annoying in a multi user server (you are working on your files and the volume is being unmounted). How can I define ownership and permission on the device ? I've tried chown and chmod approach witch gives nothing. Cryptsetup doesn't have any options that let you do that. crypttab auto mount the filesystem on boot witch is unwanted (only manual mount)

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• How to Diagnose a Pre-Operating System Load or Hardware Issue

  - by soandos

  How can I find out if my problem is hardware based? If it is, how can I figure out what component is to blame How can I fix other pre-operating system issues? As an aside, what are all of these components responsible for, and if they break, what can go wrong? (This question comes up frequently, and the suggested solutions are usually the same. This community wiki is an attempt to serve as the definitive, most comprehensive answer possible. Feel free to add your contributions via edits.)

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• Windows 7 System process reading/writing like crazy

  - by Mats Ekberg

  I have a problem that my windows 7 computer sometimes starts accessing the disk like crazy for maybe 10 minutes at a time. The process in question is the "system" process. I have disabled superfetch and hibernation on my computer, if that makes any difference. I disabled those to see if they were the cause of the problems, but no change. I have 6 GB of RAM and only the web browser was started when I took the screenshot, so I don't think it was thrashing due to page faults. Any ideas on how to find the cause of this?

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• How to setup Secure SemiPublic Revision Control System

  - by user24912

  I have a windows server with a project configured with a revision control system. Suppose it's GIT or SVN or .... Suppose there are 10 people around the globe working on this project. The first thing that comes in to mind is to secure the connection between these programmer and the server with SSH. but my problem is that the a hacker can destroy the server if he gets the SSH username and password user account (tell me if i'm wrong). So I need a secure way to let thoes programmers push their revision to the server. Any ideas would be lovely

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• System 67 error scheduled task to transfer files

  - by grom

  Running directly on command line the batch script works. But when scheduled to run (Windows 2003 R2 server) as the local administrator, I get the following error: D:\ScadaExport\exported>ping 192.168.10.78 Pinging 192.168.10.78 with 32 bytes of data: Reply from 192.168.10.78: bytes=32 time=11ms TTL=61 Reply from 192.168.10.78: bytes=32 time=15ms TTL=61 Reply from 192.168.10.78: bytes=32 time=29ms TTL=61 Reply from 192.168.10.78: bytes=32 time=10ms TTL=61 Ping statistics for 192.168.10.78: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 10ms, Maximum = 29ms, Average = 16ms D:\ScadaExport\exported>net use Z: \\192.168.10.78\bar-pccommon\scada\ System error 67 has occurred. The network name cannot be found. Any ideas? Google is turning up nothing useful, just keep finding results relating to DNS etc, but using IP address here.

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• Resize NTFS System Partition on Perc 6/i RAID

  - by Cipher42

  I've inherited a Dell server that is running out of space on C:. I'd like to quickly and painlessly resize the C drive with partitioning software. However, the RAID card is causing me some troubles. I've resized plenty of desktops in my time, but never a server with hardware RAID. Can anyone recommend software that is GUARANTEED to work with the Dell PERC 6/i? Hopefully someone has resized the system partition with this RAID card before! :) Of course, proper backups are available but I'd be more comfortable with a tried and true solution to save the headache of the restore.... Thanks in advance!

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• How to delete system default printer forms?

  - by matt wilkie

  On Windows there are system default printer forms which can't be deleted from the Print Server Properties dialog. Is there some other way they can be removed? We are never going to use page sizes like Envelope, B5(JIS), US Std Fanfold, etc. and I'd like to save users (and myself!) from having to scroll through a big long list of noise. Our print servers are Windows Server 2003 if that makes any difference. thanks.

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• How many domains can you configure on a Sun M5000 system?

  - by Andre Miller

  We have a few Sun M5000 servers with the following configuration: Each system has 2 system boards each containing 2 x 2.5Ghz quad core processors Each system board has 16GB of RAM Each system has 4 x 300GB disks I would like to know how many hardware domains can I configure per system? Do I need one system board per domain (implying a total of 2 domains), or can I create 4 domains, each with one cpu each?

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• "A device attached to the system is not functioning" when reconnecting to XenApp 6 session

  - by Paul Doom

  A few of our XenApp 6 customers are seeing issue sometimes when users move from one workstation to another and try to connect to their running session. An error box pops up with "A device attached to the system is not functioning" This is on healthy 2008 R2 servers with all Citrix hotfixes applied. After the error, the user's session must be logged out before they can get back in. This was posted here: http://forums.citrix.com/thread.jspa?threadID=273457 , but is not answered. There is nothing telling in the event logs, and it is an inconsistent problem. Has anyone else seen this issue of found a fix?

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• How can I adjust system volume from within XBMC?

  - by d3vid

  While running XBMC, I can adjust the volume of the XBMC application itself. However, this volume is limited by the current system volume. For example, if the system volume is at 80% and XBMC is at 100%, I am effectively at 80% and cannot go higher. Or if the sound is too soft and needs a boost, I would normally increase the system volume beyond 100%. XBMC takes over the whole screen, so the system volume is not accessible. Pressing the Super key brings up the dash and top menu, but clicking on it is difficult and inconsistent, and very quickly XBMC takes over the screen again. How can I adjust the system volume without having to quit XBMC?

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• Embedded .swf file in .pfd-Ubuntu 10.04

  - by Thanos

  I have just finished a presentation in LaTeX. In this very .pdf file I have included a .swf animation(done with adobe flash CS5 in windows) which starts when you click on it. While I have already installed a relevant player(swfdec flash player) neither document viewer nor okular are able to reproduce it. I tried with my player to make sure that the file is not corrupted and the result was that it can be produced. I tried the same .pdf file in windows using adobe reader and there is no problem there. The embedded file can be reproduced with no problem. So I thought of installing adobe in ubuntu. I tried there to see if the problem was solved. Things got a bit better. Adobe could understand that there is something there, so when clicked I got a message that I had to get the proper player. When I clicked on a relevant button I expected to open my browser in a player's page. Instead nothing happened. If I place my mouse's cursor next to the space that defines my animation the is a "message" stating "Media File(application/x-shockwave flash)". The next step was to install Adobe Flash player, but I couldn't find the standallone player;only the browser's plugs... How can I get this .swf file play in pdf?

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• VMware Workstation 7.x error loading operating system help

  - by StealthRT

  Hey all i am using the windows verison of VMware Workstation 7.x and I am getting this error when i start my VM error loading operating system That only started to happen when i tried to load that vmdk file into the program VirtualBox. Prior to this it ran just fine. Ever since then i have been unable to start it in VMware Workstation 7.x... I've already tried to repair the vmdk file but when i do it tells me there are no errors found? I used vmware-vdiskmanager.exe -R "c:\blah\my vm disk.vmdk" Anyone else have any more suggestions i could try? It's a 300+GB VM so i really don't want to lose it!!! Thanks, David

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• Remote Desktop Windows 7 into a XP sp3 system print issue

  - by user50963

  I have a windows 7 laptop that I use to remote in to work, which is a XP sp3. I have a brother MFC-8670dn printer. I have the win7 print drivers installed and working on the win7. I made local printers accessible over the RDP. I installed the xp drivers for the Brother printer. So my question is, " Is there a way that I can print from my win7 machine remotely connected to a xp sp3 system"? Or is there no way that I can put the correct drivers on the xp machine to have it redirect to my laptop(win7)

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• Problem with installing sqlite3 module for python 2.6 on an ubuntu system

  - by Hoang

  I need to run the sqlite3 module on python 2.6 in an ubuntu system. How do I install this module for Python 2.6? Somehow I don't have this module, it raises the error: >>> import sqlite3 Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.6/sqlite3/__init__.py", line 24, in <module> from dbapi2 import * File "/usr/local/lib/python2.6/sqlite3/dbapi2.py", line 27, in <module> from _sqlite3 import * ImportError: No module named _sqlite3

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• Como estão os seus projetos em TI? ALM (Application lifecycle management) - Parte 1

  - by johnywercley

  O gráfico mostra um número assustador, em outras palavras, no mundo inteiro as coisas não andam bem, são pesquisas feitas por um importante orgão o “Stand Group”. Eles nos chamam atenção a quantidade de projetos com problemas, fazendo uma análise primária, somando a parte verde com azul veremos a porcentagem de projetos TI com problemas, projetos que chegam a de fato dar certo, são os de cores vermelhas, um número muito baixo. Se você fosse hoje investidor financeiro e tivesse que fazer um projeto...(read more)

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• Why is Apple System Image Utility so slow?

  - by Jon Rhoades

  I'm using Apple System Image Utility (SIU) on Snow Leopard 10.6.2 and I am rather disturbed it takes over Three hours to make a Netrestore or Netboot image. I'm using as the donor machine a brand new iMac and as the imaging machine a brand new iMac connected using target disk mode & Firewire 800. The hard drive size and subsequent image is about 8GB. To restore the image over the network takes about 4 minutes. Given that Norton Ghost will take an image in about 5 minutes (or less on newer machines) over USB2, why is the Mac over an order of magnitude slower?

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• Odd Tools and Techniques for System Administrators

  - by Joseph Kern

  There's been a lot of questions centering on Software Tools for System Administrators. But I would like to know about any odd physical tools or techniques that you've used; Something that you never expected to be useful, but ended up saving the day. I'll go first: A Camera Phone. An application server had a major power issue that borked the RAID. Many of the disks were offline. Before I took the plunge and forced disks back online, I took a picture of the RAID BIOS screen with my camera phone. Having the exact layout of the RAID stored safely in my pocket, I was able to reset the RAID, and reboot the server. What odd tools/techniques have you used?

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• How to change location of Maildir/ in postfix mail system

  - by adesh

  I'm using Postfix with imap and pop servers running on ubuntu linux. I want to change the the location of Maildir folder from user's home directory to some other shared folder so that all mail is in one place. I also have problem sending local mails to users who does not have a home directory (e.g. www-data), the system users created by default. I'm getting the following error. postfix/local[32123]: DCE1D221BBD: to=<www-data@********>, orig_to=<www-data>, relay=local, delay=33, delays=33/0/0/0.12, dsn=5.2.0, status=bounced (maildir delivery failed: create maildir file /var/www/Maildir/tmp/1382169296.P32123.********: Permission denied) I'd like to have a folder structure similar to this: /all-mail/<user-name>/<mail-goes-here>

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• Debian based OS: Show system notification on clipboard copy/paste events

  - by ifischer

  When working with Linux (Debian based), I often experience problems in relation to the copy paste commands: I copy something with Ctrl+C or by selecting it with the mouse, but when I try to paste it somewhere else, the clipboard is empty and nothing happens - whatever reason caused this. This annoys me, as I have to switch to the source application again and again copy the text. So to really be sure if something was copied into the clipboard I would like it if the window manager (be it Gnome, KDE, etc) would show a Desktop Notification (for example powered by libnotify) as soon as anything is copied into the clipboard, showing the content that has been copied into the clipboard. Is that possible by using one of the many clipboard managers out there (glippy, clipit, ...)? If not, can I write a (DBus?)-hook, which is triggered during copy-to-clipboard-actions, showing the content which is to copy inside the Desktop Notification? (The latter approach would be more interesting, since I'm interested in hooking into system events in general)

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• Changing swappiness in sysctl.conf doesn't work for me

  - by Graham

  I'm using 12.04 LTS and can sudo sysctl to set swappiness to 10, but adding vm.swappiness=10 to sysctl.conf doesn't work for me - after I reboot, swappiness still reports 60 (default) I'd like to be able to reduce swaps to my SSD, but can't find a way to do so except manually per session. Modifying sysctl.conf seems to work for most - can anyone advise what I need to check / change to make it work for me too, please?

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• font showing up as squares during installation

  - by EmileBeaulieu

  I am very new to linux, just so you know. I chose ubuntu as my first linux distro. I created a boot flash drive and installed it on to my little netbook. It works fine, and I'm having fun playing around with it. Now I wanted to install it on my main computer, however after inserting the flash drive and rebooting, and after the initial startup screen, the first screen that comes up has ALL the text showing up as little squares! If I remember correctly from when I installed it on the netbook, it's asking me what language I want on this screen. Why would this happen on my main computer and not on the little netbook, when I used the exact same flash drive and installation? I have a screenshot, but since I'm new here, it won't let me post it.

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• Settings for multiple monitors are not stored

  - by JJD

  I am running Ubuntu 12.04. on a Lenovo Thinkpad T400. I connected an external monitor as a second display. The laptop stands under the external screen. The laptop has a native resolution of 1440x900 (16:10), the external monitor 1280x1024 (5:4). There are two graphic adapters: one internal Intel GMA 4500 MHD and an discrete ATI card. Currently, the integrated Intel is enabled. I use the Display application to arrange the position of the monitors so it look like this: The problem: Whenever I restart my computer the configuration gets lost. First, the displays are mirrored instead of extended. I have to press Fn + F7 two times to switch to extended mode. Second, the Display settings still look like this: I know this worked once when I was running Ubuntu 10.10. I cannot tell since when it does not work. Do you know how I can permanently store the settings?

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