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• Screen Resolution Problem with Ubuntu 14.04 and VirtualBox

  - by user3341257

  Environment: Lenovo T530 running Windows 7. Have installed Ubuntu 14.04 on a virtual machine using VM Virtual Box. Have installed all the updates from both Virtual Box and Ubuntu. Problem: While in Ubuntu's desktop and other Ubuntu initiated programs, the window is reduced to about 3x4 inches showing in the middle of the rest of my regular Virtual Box window. I am seeing only the upper right hand of the screen output of what I would normally see. Please help. I've seen How do I install Guest Additions in a VirtualBox VM? But, none of these answers works in 14.04.

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• Temenos WealthManager: performance benchmark on Exadata

  - by Javier Puerta

  Temenos WealthManager is at work in financial institutions of all sizes. No matter the size, each of Temenos’ customers has one requirement in common: a need for fast technology. This led Temenos to conduct a performance benchmark, running its WealthManager platform on Oracle Exadata Database Machine. During the study, Temenos executed high-intensity financial engines two- to three-times faster than its previous internal benchmarks and/or largest customer throughput. The company also demonstrated greater than two-times the average improvement in response times for six-times the number of users and data volumes. Further, Temenos secured a two-times gain in service-level agreements for batch and user-oriented workloads via dedicated or parallelized processing windows. Last year Temenos also communicated the availability of its T24 core banking system and how the benchmark run demonstrated the ability of Oracle’s Exadata platform to comfortably support the highest banking volumes for T24. Read full story here  

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• How to hide process arguments from other users?

  - by poolie

  A while ago, I used to use the grsecurity kernel patches, which had an option to hide process arguments from other non-root users. Basically this just made /proc/*/cmdline be mode 0600, and ps handles that properly by showing that the process exists but not its arguments. This is kind of nice if someone on a multiuser machine is running say vi christmas-presents.txt, to use the canonical example. Is there any supported way to do this in Ubuntu, other than by installing a new kernel? (I'm familiar with the technique that lets individual programs alter their argv, but most programs don't do that and anyhow it is racy. This stackoverflow user seems to be asking the same question, but actually just seems very confused.)

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• dpkg --set-selections from 11.10 on 12.04LTS

  - by Vixxo

  I have to move a server to a different DC in a different country. The server is currently running 11.10, but the new fresh installed OS will be 12.04. The hardware of both is completely different. In order to install the same packages that the server currently uses, I am thinking of exporting all packages to a list and then run this list on the new machine. I will after that proceed with transferring the configuration files for the LAMP stack. My question is if this will work, or if there will be a problem because of the differences in the versions of the OS? What is the correct way to do it? PS. I have no access to KVM to reload the OS as an image, so this would not be an option.

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• Writing Ubuntu shell scripts

  - by Lukesh

  Write a script that will shut down one of your server called “appsserver” every night in order to preserve power. But before the appsserver is brought down, your script should do the following: Check if there are any users logged into the appsserver Check the size of the directory /usr/tmp is bigger than 1G and delete all its content. If (a) is true, send a broadcast message to all user that the machine will shut down in 20 minutes and that they should log out of the appsserver All the output of the commands in your script should be sent to a log file with the script running date appended to the log file itself (e.g. shutdown_14_Nov_2011.log).

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• Oracle@Work: IDS bringt mit Exadata Licht ins Investmentcontrolling

  - by A&C Redaktion

  Die Datenmengen, die die IDS GmbH (Analysis and Reporting Services) tagtäglich zu bewältigen hat, sind enorm: Bei der Tochter der Allianz SE sind alle Dienstleistungen rund um das Investmentcontrolling angesiedelt. Das Unternehmen benötigte eine ausbaufähige Datawarehouse-Lösung, in der alle Daten zusammengeführt, harmonisiert und angereichert werden können. Als optimale Lösung fand IDS schließlich zu Exadata, genauer der Oracle Exadata Database Machine. Die Implementierung erfolgte gemeinsam mit dem Oracle Platinum Partner ISE, der den technischen und beratenden Part übernommen hatte und IDS weiterhin bei der Weiterentwicklung unterstützt. Wie Exadata dort zum Einsatz kommt und warum sich diese Investition für IDS gelohnt hat, erfahren Sie im hier im Video:

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• How do I set a custom resolution in 12.04 with a nVidia video card (9600 GSO)?

  - by Aaron Agarunov

  I have 32 bit 12.04 and my video card drivers are up to date at "304.64" yet my resolution appears capped at 1920x1080. I am trying to get the resolution to 2560x1440 or even higher, as I am running this machine on a 42" LCD through HDMI and the 1920x1080 resolution will not stretch to fit the screen and is therefore fairly zoomed in. The 9600 GSO supports up to 2560x1600, so this should be no problem for the card itself. I have tried using xrandr, which successfully creates the 2560x1440 60 hertz mode but does not allow me to --addmode or --output it in. I have tried working with the xorg.conf, but I actually can not find a way to create the file since when I try to, I am given an error message stating that the # of monitors I have does not match the # of screens I have. Can anyone provide some help or insight?

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• Ubuntu installed accidently on windows

  - by Maz

  I'm new here and would very much appreciate your help I was making a bootable USB to rescue a crashed Ubuntu notebook. I was doing this on my Sony VIo laptop, now I can't access my Sony files, when I boot the Sony up it boots in Ubuntu I think I have overwritten the windows boot sector with Ubuntu I need to either undo the process or if this is not possible then at least recover my kids childhood memory photos Any help to resolve this issue would be very much appreciated P.s I have since removed the hardrive from the Sony and tried to read it on a windows machine as an external drive, windows can see the drive but with no data!

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• Massive crash and kernel panic after updates yesterday, what now?

  - by Ghost

  Got 12.04 on an AMD+radeon machine, everything was running fine until last night when the update manager installed new packages, and now the moment I open a browser (firefox, chromium, anything) it crashes instantly. It says warning: at build/buildd/linux-3.5.0/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() Pid: 2432, comm: chrome_dbthread tainted: G D 3.5.0-2generic #2-ubuntu I already tried uninstalling the packages from the update log, didn't solve a thing. Depending of which browser I use I get a different reaction, like a complete freeze instead of a text console crash. Ideas? I really don't know what to do.

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• Engineered Systems Announcements at OOW

  - by Cinzia Mascanzoni

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} See below the  announcements of new Exa systems at OOW Oracle Exadata X3 Database In-Memory Machine and  Oracle Exalogic Elastic Cloud X3-2 announcements.

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• Près de la moitié des attaques exploitent des failles de Java par défaut de mises à jour, d'après le rapport Security Intelligence de Microsoft

  Près de la moitié des attaques exploitent des failles de Java Par défaut de mises à jour, d'après le rapport Security Intelligence de Microsoft Les exploits contre la sécurité informatique durant la première moitié de 2011 étaient en grande partie associés aux vulnérabilités de la famille de produits Java, la technologie maintenue par Oracle. Le rapport Security Intelligence de Microsoft souligne en effet un record : entre le tiers et la moitié des exploits sont dus à des failles dans l'environnement d'exécution (JRE), la machine virtuelle (JVM) et le JDK. [IMG]http://idelways.developpez.com/news/images/java-exploits.png[/IMG] Oracle ne tarde pas outr...

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• Structuring an input file

  - by Ricardo

  I am in the process of structuring a small program to perform some hydraulic analysis of pipe flow. As I am envisioning this, the program will read an input file, store the input parameters in a suitable way, operate on them and finally output results. I am struggling with how to structure the input file in a sane way; that is, in a way that a human can write it easily and a machine can parse it easily. A sample input file made available to me for a similar program is just a stream of comma-separated numbers that don't make much sense on their own, so that's the scenario I am trying to avoid. Though I am giving the details of my particular problem, I am more interested in general input-file structuring strategies. Is a stream of comma-separated values my best bet? Would I be better off using some sort of key:value structure? I don't know much about this, so any help will probably put me in a better track than I am now.

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• How to restore my D Drive

  - by buggi

  I need help in recovering one of my drives from my windows7 machine. I used to have two drives, c and d. I used D to save all my data. i have been using my laptop from 3years. and when I saw it today, i cant find D drive on my computer :( . When I opened the parititioning wizard it showed me that the space I allocated for D is there but as unallocated space. I badly need the data from D. Can you please suggest if I can use ubuntu to recover D? Thanks in advance.

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• Remote Desktop advice

  - by spoon16

  Coming from Windows, so that is what my expectations are based on. I have a Ubuntu desktop edition instance running as a virtual machine on a server. I would like to use it as my primary open source dev environment but the VNC tools I have used don't seem to be as rich as "Remote Desktop Connection" in Windows. The two things that are missing for me: connecting/logging into a non-console user sessions dynamically resizing the graphical resolution based on the size of the remote desktop window device sharing (USB devices plugged into client shared with remote) Is there an appropriate client that I can run on Windows to connect to my ubuntu dev instance that provides these capabilities?

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• Google web search shows dateCreated instead of dateModified metadata

  - by LonelyPixel

  So today I discovered that the pages from my website are listed with an unexpected date value. I specify the schema.org properties dateCreated and dateModified for most of my content pages. I'd expect that search results show me when a page was last updated, to get a sense of the currency of the page. But it's showing the date of first publishing which may be years ago. That's a bit unsatisfying but I don't want to misuse the metadata because Google probably reads it wrong. Some search terms for you to try it out: "gitrevisiontool"; "easyxml"; "multiselecttreeview" (look for the results on dev.unclassified.de; the human- and machine-readable dates come at the end of the page) Does anybody know more about what's wrong here? Or does it work as designed? (What a stupid design that would be.)

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• How to use encypted home directory after reinstallation

  - by user15533

  I reinstalled Ubuntu on a machine with encrypted home directories. After that installation I have edited the fstab to boot the old home partition in /home. After doing so I can not login anymore with LDM. If I type my password, witch is the same as before, after a short moment of activity I am referred back to login page. I think this is due to the fact, that my home directory is not decrypted correctly. But I read here that this should work. What am I supposed to do?

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• Can't remove c:/ubuntu folder pleas help?

  - by user98978

  hi today i downloaded ubuntu with wubi-installer on my windows 7 machine but after restarting pc and booting in ubuntu installer my pc shuts down while installing because my laptops battery was gone empty i forgot to plug in my adapter so ubunutu fails to install, then i booted in windows 7 to uninstall ubuntu from add/remove programs en reainstall but the uninstaller did not fully remove the files i still have i folder in my c:/ubuntu when i double click on that folder my explorer.exe stops responding and than i need to open the task manager to kill the explorer.exe procces and restart it and right clicking does the same thing i cant do anyting with c:/ubuntu folder to reinstall ubuntu with wubi i have used unlocker1.9 to remove the folder but i get an error saying Error 0x8007045D: The request could not be performed because of an I/O device error HUH ! please help please :( EDIT: Okay i fixed my problem after following this instruction ! i don't understand why you people did not ask me to do this but it's okay i forgive you my poeple LoL !

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• Oracle University Neue Kurse (KW 23)

  - by swalker

  In der letzten Woche wurden von Oracle University folgende neue Kurse (bzw. Versionen davon) veröffentlicht: Engineered Systems Exadata Database Machine Administration Workshop (Training On Demand) Development Tools Oracle Fusion Middleware 11g: Build Applications with ADF I (Training On Demand) Fusion Middleware Oracle AIA Foundation Pack 11g: Developing Applications (Training On Demand) Oracle Exalogic Elastic Cloud Administration (Training On Demand) Oracle GoldenGate 11g Fundamentals for Oracle (Training On Demand) Oracle Fusion Middleware 11g: Build Applications with ADF I (Training On Demand) Oracle WebCenter Portal 11g: Spaces Administration (3 Tage) Java Architect Enterprise Applications with Java EE (5 Tage) Hyperion Oracle Hyperion Planning 11.1.2: Create & Manage Applications (Training On Demand) Oracle Hyperion Financial Mgmt 11.1.2: Create & Manage Applications (Training On Demand) Wenn Sie weitere Einzelheiten erfahren oder sich über Kurstermine informieren möchten, wenden Sie sich einfach an Ihr lokales Oracle University-Team in. Bleiben Sie in Verbindung mit Oracle University: LinkedIn OracleMix Twitter Facebook Google+

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• When profiling a function for time use, what information is desirable?

  - by AaronMcSmooth

  I'm writing a program similar to Python's timeit module. The idea is to time a function by executing it anywhere from 10 to 100,000 times depending on how long it takes and then report results. I've read that the most important number is the minimum execution time because this is the number that best reflects how fast the machine can run the code in question in the absence of other programs competing for processor time and memory. This argument makes sense to me. Would you be happy with this? Would you want to know the average time or the standard deviation? Is there some other measure that you consider more important?

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• How to work around the home directory changing to /root when using sudo?

  - by Nathanel Titane

  Hello everybody! With Natty coming out soon, I've been at work updating my deployment and self-config script to make my desktop on 11.04 run and look the way I want it to. One bummer is that dbus seems to have changed and does not permit, in the same manner Lucid and Maverick did, the authentication of the current user by terminal call using grep and cat. Ideally, to run the script, I would sudo -s and then launch it as # chmod +x install && ./install Instead of returning my user name.. it now returns root and applies changes to the root profile and aborts whenever paths do not correspond. Here is my script header: #!/bin/bash ON_USER=$(echo ~ | awk -F'/' '{ print $1 $2 $3 }' | sed 's/home//g') export $(grep -v "^#" ~/.dbus/session-bus/`cat /var/lib/dbus/machine-id`-0) if sudo -u $ON_USER test -z "$DBUS_SESSION_BUS_ADDRESS" ; then eval `sudo -u $ON_USER dbus-launch --sh-syntax --exit-with-session` fi RELEASE=$(lsb_release -cs) How could I make it return the actual user now that natty is coming? Thanks for the help

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• Ubuntu 12.10 Sound resumes after I suspend and resume.[ACER 4830 TG]

  - by user70716

  I installed the 12.10 yesterday and like 12.04 there was no sound, I have an ACER 4830 TG. I noticed that the HDMI output is working fine , But Speaker or Headphone isnt working. So i did the following: sudo add-apt-repository ppa:ubuntu-audio-dev sudo apt-get update sudo apt-get dist-upgrade And still couldn't get the sound . Then i found the temp fix for this issue. The temp fix is to Suspend the machine completely and resume. However after restart the same thing happens. Is there a solution to this issue?

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• How do I access an external hard drive plugged into my router?

  - by Shawn

  I am running Ubuntu 11.10 and I own a Netgear N600 Wireless Dual Band Router with a USB port built into it. Naturally, the router came with instructions on how to mount and view this drive with both Windows and Mac, but nothing about Linux. I have an WD Elements 1 TB external HDD that I would like to plug into the router and share across my home network. However, when I plug it in, absolutely nothing happens on my desktop. I checked on two different machines and nothing seems to indicate that the drive has been mounted (or is even seen at all) on either machine. I am fully aware that it may not be possible to do this with a Linux system, but I was hoping someone might have a suggestion. Thanks!

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• I Can't install Skype on Ubuntu 12.04 x64. Can someone help me?

  - by Matheus

  I'm having a trouble when trying to install Skype on my Ubuntu 12.04.1 x64. My notebook have compatible hardware with Ubuntu. My previous OS installed on this machine was the Ubuntu 12.04 x64 and Skype was working great, but I got a formatation and I installed the New ubuntu 12.04.1. When I try to install by the Ubuntu software Center, or by the sudo apt-get install skype, I get this error message (in Portuguese) : "Os pacotes a seguir têm dependências desencontradas: skype: Depend: skype-bin E: impossivel corrigir problemas, você manteve (hold) pacotes quebrados." Something like i have the skype-bin package missing (or broken). I can't find it on Software center. I tried to install it by downloading a deb package with the skype-bin package but it ask for a lot another packages! I tried install the .deb package from the official Skype site, but I got the same error! Any Help? Sorry about my bad English, I'm Brazilian

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• Computer crashing after a few minutes of logging in

  - by user88612

  I have a fresh install of 12.04.1 on my machine. It is constantly crashing after logging in. I noticed it crashed repeatedly when using Minitube and would crash in Chrome. It seems to be that anything graphics related is causing it? I've booted the system 7 times and each time it would crash within 5-10 minutes after logging in. I have no swap and it's a dual-boot system with Windows 7. My system specs: AMD Phenom XII 925 8GB DDR3 (new) AMD Radeon HD 7770 GPU (new) Seagate 1TB Barracuda HDD (new) Catalyst Drivers

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• transfer Thunderbird (17) Profile on Win7 to Ubuntu 12.04

  - by William Curran

  I want to transfer Thunderbird Profile on Win7 to thunderbird (17) Ubuntu 12.04. I already copied the profile folder from Windows to Ubuntu and modified progile.ini on the ubuntu machine to include [Profile] Name=Bill IsRelative=1 Path=(the name of the transfered profile folder) I think the problem is that the Win. TB profile content (files and folder structure) look VERY different that the that of the unbuntu TB profile's that was created on installation. The Ubuntu install is new where as the Win TB has undergone many updates. Seems the system for profile storage has changed drastically. I tried to start TB in safe mode but could't get the path correct to start TB in the terminal with the -safe-mode switch. What can I do? Bill

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