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• configuring separate X screens instead of TwinView

  - by fimre

  My Sony Vaio laptop is connected to an external Samsung monitor and my nVidia driver is configured in TwinView mode. Everything is OK with this, however, I can not adjust my displays individually so at the moment my external display is a little bit darker which disturbs me a lot. I tried the Separate X Screen mode but after restart, my laptop display was white with a black x sign mouse pointer and the external display normal desktop. Is it a bug or something I missed? The idea is that using Separate X Screen mode, I could adjust my displays individually. I would really appreciate someone would guide me out of this situation. Thanx in adv..

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• Why isn't Chrome rendering images and fonts correctly?

  - by user287558

  I have an Acer monitor and an Intel Pentium 4 running 12.04 32-bit. Chrome renders all webpages like this: This is how CNN should look: I have Firefox installed and its images/fonts look fine. I am new to Ubuntu and comfortable with using Terminal. Beyond that, I have no idea what I'm doing. This happened all of a sudden a few weeks ago. Any suggestions would be very much appreciated. Thanks in advance.

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• Setting up multiple monitors KDE 12.04

  - by Brandon

  I have 1 1920x1080 display that I am using as a primary display, with a 1600x900 display off to my side. I have tried to set up the smaller display to be positioned to the right of the larger display, but I can't. The only option that works is to use it as a clone. When I connect the smaller monitor to another DVI port on my AMD Radeon HD 6950, it doesnt work at all. I can provide more information if needed. Thank you!

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• bootscreen downscaled

  - by blackmist

  my specs intel mb dh67cl corsair 4gb ram nvidia 560ti gtx i5 processor dell 22" monitor 1920x1080 firstly, i began using ubuntu last year. now im in love with it. just one minor detail i dont like is that the bootscreen changed just after the first boot. now im using 12.04.1. i will explain how it happened. first i installed ubuntu via windows. so it booted for the first time and life was beautiful. the resolution was 1920x1080. then i installed the nvidia drivers, all the updates and codecs for the medias. now the ubuntu bootscreen downscaled to a lower resolution. i tried searching for answers, but nothing was for ubuntu 12.04.1. since im a newbie, i didnt want to take any chances. i need help. i like the bootscreen.

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• process monitoring in c under linux

  - by poly

  I'm trying to write a multi threaded/processes application and it need to know how to monitor a process from another process all the time. So here is what I have, I have a 2 processes, each with multiple threads that handle the network part, then another 2 process also with multiple threads that interact with DB and with the network processes, what I need to do is that if for example one of the network processes goes down the DB process start sending to the live network process until the second one is up again. I'm using fifo between the DB and the network process. I was thinking of sending messages with message passing all the time but not sure whether this is a good idea or I need to use some other IPC for this issue, or probably neither is good and I need to use entirely something else? Thanks,

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• Ask the Readers: How Do You Find Your Next Book?

  - by Jason Fitzpatrick

  It’s never been easier to find book reviews, recommendations, and comparisons; tools which are more necessary than ever thanks to the increasing number of new titles on the market. This week we want to hear all about your techniques for picking your next book. Whether you consult the New York Times best seller list, pore over Amazon book reviews, use a book suggestion engine, or just buy whatever the local book store has on the end-cap display that month, we want to hear about your system for finding new books. Sound off in the comments with your technique (bonus points for including links to any services or sites you use) and then check back on Friday for the What You Said roundup to see how your fellow readers fill their book bags. Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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• Log of data transfer and copied from Ubuntu

  - by Gaurav_Java

  Yesterday my friend ask me for some files i told him that take it from my system i don't see . what extra files or data he take from my system . I was thinking is here any application or method which shows what data is copied to which USB (if name available then shows name or otherwise device id ). and what data is beign copied to ubuntu machine . It is some like history of USB and System data . i think this feature is in KDE this will really useful in may ways. it provides real time and monitoring utility to monitor USB mass storage devices activities on any machine .

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• How to debug slow session start of Gnome 3?

  - by user65521

  After Upgrade from 11.10 to 12.04, the login process of Gnome 3 is extremely slow (It takes in the order of 60 seconds when it was in the order of a few seconds before the upgrade (Harddisk is a SSD!)). Running "top" in a VT shows that gnome-shell is producing about 90% CPU load while dbus-daemon is taking roughly 10%. The moment when CPU-load of gnome-shell drops to normal levels (around 2-3%) corresponds to the time the login process is terminated and the desktop is displayed. De-activating the four gnome-shell extensions (Alternative Status Menu, Quit Button, Remove Accessibility, system-monitor) that I have installed does not have any effect on session start up time. Login to Gnome classic does not show the slow session start. The system logs do not show anything suspicious. Thus, what is the best way to identify the underlying problem?

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• Halloween: Season for Java Embedded Internet of Spooky Things (IoST) (Part 2)

  - by hinkmond

  To start out our ghost hunting here at the Oracle Santa Clara campus office, we first need a ghost sensor. It's pretty easy to build one, since all we need to do is to create a circuit that can detect small fluctuations in the electromagnetic field, just like the fluctuations that ghosts cause when they pass by... Naturally, right? So, we build a static charge sensor and will use a Java Embedded app to monitor for changes in the sensor value, running analytics using Java technology on a Raspberry Pi. Bob's your uncle, and there you have it: a ghost sensor. See: Ghost Detector So, go out to Radio Shack and buy up these items: shopping list: 1 - NTE312 JFET N-channel transistor (this is in place of the MPF-102) 1 - Set of Jumper Wires 1 - LED 1 - 300 ohm resistor 1 - set of header pins Then, grab a flashlight, your Raspberry Pi, and come back here for more instructions... Don't be afraid... Yet. Hinkmond

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• When I have 6 GB of RAM installed, why is just 3 GB available on Ubuntu?

  - by user842225

  I'm using a laptop with 32-bit Ubuntu 10.04. I used to have only 2 GB of RAM. Today, our IT-support upgraded my laptop to a total of 6 GB of RAM. They told me "Though you do now have 6 GB, when you use your current Ubuntu, you'll only have 3 GB available. You have to install the latest version of 64-bit Ubuntu to enable all of the 6 GB." He was in a hurry to leave without explaining more. I turned on my laptop, used gnome-system-monitor to check, and as he said, it shows I only have 3 GB of RAM. Could someone explain me why? Why do I have just 3 GB available, and why installing a 64-bit version makes all of the 6 GB available?

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• Free ebook: Troubleshooting SQL Server: A Guide for the Accidental DBA

  We spend much of our working life helping solve SQL Server-related performance problems, hands-on, during consulting, or on online forums. We've seen a few weird-and-wonderful issues but, mainly, it’s the same problems and misconceptions time-and-again. This is our attempt to describe, diagnose, and solve the most common problems with SQL Server 2005, 2008, and 2008 R2. And it's free. "It really helped us isolate where we were experiencing a bottleneck"- John Q Martin, SQL Server DBA. Get started with SQL Monitor today to solve tricky performance problems - download a free trial

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• eth0 not working on startup

  - by user4106

  Hi to all, This might sound strange but, working with my Lubuntu 10.04 i've experienced troubles when connecting to my eth0 newtwork. After some googling, i've found out that by writting in the CLI the following command: mii-tool eth0 -F 10baseT-FD and activating the eth0 in the toolbar (by clicking "activate eth0") everything works just fine. Well, up to now, i did not have any problem, because every time i turned on the computer i had to do this, but it was very little effort.But now, i would like to use the machine as a file server, accesing it by ssh, without monitor or keyboard. So, i won't be able to make this actions, and can't do this at startup because mii-tool needs root permissions. So, the question is: Do you know what does that command do, and how can id make that change permanent? Or do you know any other solution for my problem? I hope i was clear! If not, tell me and i'll try to be as clearer as possible. Thanks in advance!

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• Black screen on Ubuntu 12.04

  - by user1648371

  I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed is that when I click the Workspace switcher all I get is a black screen (I can guess where the different workspaces are located and clicked on them, not a practical solution though). In addition when I lock the screen or suspend the laptop (a Vaio VPCEB4M1E) I get a shifted screen (I see the right most vertical stripe on the left size of the monitor and nothing about all the rest, to put it clearly I can see the gear that allows me to turn the pc off, etc, but not much more..) when I go to the additional driver menu I see the "ATI/AMD proprietary FGLRX graphics driver" are installed and the post-release update version is available. I don't know if the problem is driver related, so before doing anything I'd like to get some suggestions from you guys. Thanks you!

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• Process monitoring in Linux environment?

  - by poly

  I'm trying to write a multi threaded/processes application and it need to know how to monitor a process from another process all the time. So here is what I have, I have a 2 processes, each with multiple threads that handle the network part, then another 2 process also with multiple threads that interact with DB and with the network processes, what I need to do is that if for example one of the network processes goes down the DB process start sending to the live network process until the second one is up again. I'm using fifo between the DB and the network process. I was thinking of sending messages with message passing all the time but not sure whether this is a good idea or I need to use some other IPC for this issue, or probably neither is good and I need to use entirely something else?

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• Unable to use separate X-Screen's GTX 550ti Ubuntu 12.10

  - by user12622

  I am currently trying to get from "Twin View" to using separate X screen's on Ubuntu 12.10, however I'm not having a great deal of luck. I am using an Nvidia GeForce GTX 550 Ti and am on driver version 304.51 Initially, when I turn on the separate X screens option, presents me on the 1 monitor with a box to accept the changes, however the 2nd screen goes black, and effectively, Ubuntu only seems to recognise the one screen. When I reboot, I boots back into Ubuntu with both screens working in Twinview. I'm not too sure where to start, but my xrandr can be found: Xrandr Any help is greatly appreciated, this is the last but one thing I need to make Ubuntu my only OS, so fingers crossed we can crack it :)

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• Planning for Disaster

  There is a certain paradox in being advised to expect the unexpected, but the DBA must plan and prepare in advance to protect their organisation's data assets in the event of an unexpected crisis, and return them to normal operating conditions. To minimise downtime in such circumstances should be the aim of every effective DBA. To plan for recovery, It pays to have the mindset of a pessimist. "It's the freaking iPhone of SQL monitoring""Everyone just gets it… that has tremendous value" - Rob Sullivan, DBA, IdeasRun. Get started with SQL Monitor today - download a free trial.

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• can't change wallpaper real time regedit commands

  - by itagomo

  i'm a first time 'SuperUser' poster .. what i want is to programatically change Desktop Wallpaper every few hours .. i'm using a batch file (.bat) and don't want to use other languages or programs, just the pre-installed stuffs with Windows XP .. i've already made my script that will modify values in the Registry reg add "HKCU\Control Panel\Desktop" /v Wallpaper /d "C:\Pictures\picture1.jpg" but it's not taking effect real time even with this command: RUNDLL32.EXE USER32.DLL,UpdatePerUserSystemParameters ,1 ,True need to reboot first to take effect. if i'm going to use Display Properties, it'll show at once. what i've noticed is that changes will take effect real time if it's a .bmp file and not for .jpg images. Second option is to convert JPG to 24-bit BMP files (to look exactly the same, but will triple the file size), but i'm hoping a better way .. i've already googled things but no avail.. i hope you (the helpful reader) can post any .bat or even vbs script to change Desktop Wallpaper instantly with JPG pictures .. hoping there's an answer without installing other apps or scripts ..

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• Why does my screen blank out for the duration of the Grub boot menu?

  - by hushs

  Upon booting, when I should see the GRUB menu, my monitor simply says: "No optimum mode. Recommended mode: 1600*1200". If I wait for a short while, Ubuntu starts to boot and it reaches the desktop. So I guess there is no video signal during that time, there's the grub menu but I cant see it and after the wait time everything is fine. I have the same problem when I log out for a short moment, before the log in screen is reached. and this also happens when i shut down ubuntu. The VGA is an onboard NVIDIA GeForce 7025.

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• Screen Brightness Stuck on high on an HP dv7t laptop

  - by theJollySin

  I have an otherwise fully-functioning install of Ubuntu 12.04 on my HPdv7t laptop. When I press the 'brightness buttons' on the keyboard the associated images appear on my screen to say I am increasing/decreasing the screen brightness. When I go into "System Settings" I can move the 'brightness slider bar' up and down. But none of that changes the fact that my screen is stuck on the highest brightness setting. ANY clues on how to fix this would be greatly appreciated. This giant 17-inch monitor is blinding, and this is making it hard to code for any length of time.

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• SmartInspect 3.3 .NET logging tool released

  Gurock Software just announced version 3.3 of its popular logging tool SmartInspect. SmartInspect is a tool for .NET, Java and Delphi developers to debug and monitor software applications and to identify bugs and user-reported issues. SmartInspect 3.3 introduces support for .NET 4.0 and Visual Studio 2010 and comes with various other improvements. New log methods allow developers to easily trace method execution with just one line of code. New enhancements made to SmartInspect's log viewer help...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Download the Visual Studio 2010 Trial Today

  Visual Studio 2010 is here! Get multiple monitor support; new support for SharePoint development, including numerous templates; enhanced multi-targeting support allowing developers to target multiple versions of the .NET Framework; and experience how Visual Studio 2010 simplifies building standards-based Web applications with improved AJAX frameworks, core IntelliSense support for JavaScript, and jQuery....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Secondary display showing Ubuntu logo, but is not detected

  - by user72873

  I recently installed Ubuntu using WUBI, and it worked perfectly. However, my laptop is showing the main desktop screen, and my secondary display is only showing the Ubuntu logo with its loading bar underneath, nothing more. When I go to 'displays' it is only detecting my laptop screen, and not my Asus monitor (connected with a vga). Things I've done so far: Unplug and replug vga cable. Reboot computer. Re-install Ubuntu. Checked to see if any drivers needed to be installed. None were needed. I have a Thinkpad W520, with a Nvidia Quadro 1000M Thanks for the help!

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• How to install a NVIDIA driver for 11.10

  - by Hurumhei

  I have a Thinkpad T61p with Quadro FX570M. I just installed the Ubuntu 11.10. I have tried to download the driver LINUX DISPLAY DRIVER - X86 version 295.20 from NVIDIA, but I do not manage to install it. If I open System Screens, there is an unknovn screen driver. My installation works fine except, fails on resume with a black and white pattern all over the screen and I have difficulties detecting an external monitor. Please, if you have any clue - help me out.

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• Is this CPU usage normal for Xorg?

  - by Samuaz

  I checked System Monitor to see if the frequency of my CPU increases without doing anything and saw that xorg is always using 10-40% of the CPU even if it's not doing much of anything on the desktop or simply surfing the Internet. Is this normal? If not, how can I fix it? I have: a Macbook white 4,1 Core2 Duo running at 2.10 GHz GPU Intel GMA X3100 4GB of RAM Ubuntu 11.04 I am running Unity and I do not have many effects enabled. I have only activated Compiz animations, scale, desktop, some shadows...

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• Newly updated ubuntu not loading in moniter.

  - by user211652

  I just recently upgraded from Ubuntu 12.04 to Ubuntu 12.10. I installed the update and tried to boot from the newly installed version. As I booted in it would pop up the loading screen and then I would lose signal and it would say that there was no signal on my monitor. How do I fix this because I really want to use the new version but if it's not going to work I'll just forget about it. I can however boot into the old install and I works fine.

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