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• Hotkey to shut down from login screen?

  - by Skizz

  I used to run 9.04 on my server and used to be able to use Alt-T, Alt-S to shut the system down from the login screen. It was using a KDE login screen. Now I've upgraded to 10.04 and use the Gnome login screen and I can't see any keyboard shortcuts to shutdown the server. Is there a shortcut and if so, what is it? Further info - I would normally shut down the server without turning on the monitor, which was easy using the keyboard shortcuts. Doing it with a mouse is not so easy without the monitor being on.

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• How can I lock screen on lxde

  - by maniat1k

  Like gnome Control + alt + L In Lxde how can i do that? What I have to intall to do this? thanks --searching for a solution on my own but... ok if I do alt+f2 and type xscreensaver-command -lock that's a small solution. tryed to do an small script but it's not working.. this is what I do vi lock.sh #!/bin/bash xscreensaver-command -lock exit 0 chmod +x lock.sh but this doesnt work.. ideas?

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• Home folder icons dont change

  - by ALdaperan

  I just installed my-humanity icon theme on my Ubuntu 12.10 but i have an issue : I extracted the archive to /usr/share/icons or/and to ~/.icons but when i apply the icon theme from gnome twek tool home folders icons dont update but stay to Ubuntu mono dark default icons. Only Launcher/tray icons change I attach screenshots in order to understand whats my issue : My folder icons on home : How they should be : Any ideas on how can i fix it ? Note : On nautilus as root (gksudo nautilus) they appear how they should be .. Only on user do not appear !

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• Virtual Developer Day: Oracle Fusion Development - Dec 12

  - by Bob Rhubart

  You can't gift wrap it, and you can't stuff it in a stocking, but you can give yourself the gift of improved Oracle Fusion Development skills by participating in Virtual Developer Day: Oracle Fusion Development. This free online event features six sessions in three tracks, plus live hands-on labs, all focused on Fusion Development with Oracle ADF. The event takes place on Tuesday December 11th, 2012, and is scheduled specifically for those in EMEA. Visit the registration page for more information, plus complete agenda information and session abstracts.

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• Google I/O 2012 - Spatial Data Visualization

  Google I/O 2012 - Spatial Data Visualization Brendan Kenny, Enoch Lau Maps were among the first data visualizations, but they can also provide the backdrop for visualizing your own spatial data. In this session, we'll take a voyage through the world of map based data visualization, arming you with the tools you need to most effectively bring your data to life on a map using the Maps API v3. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1053 26 ratings Time: 01:00:17 More in Science & Technology

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• Upgrade to 14.04 broke gsettings

  - by zrneely

  I have a cron job which runs every 30 minutes that changes the background image by running this bash script: #!/bin/bash export DISPLAY=:0 export GSETTINGS_BACKEND=dconf wpdir="/home/username/Pictures/wallpapers/" prefix="file://" file=`ls $wpdir | shuf -n 1` gsettings set org.gnome.desktop.background picture-uri "$prefix$wpdir$file" This worked perfectly until I upgraded to 14.04. Now, running the script produces this output: (process:27459): dconf-WARNING **: failed to commit changes to dconf: Could not connect: Connection refused What can I do to fix this? Google didn't turn up any useful results. EDIT: I noticed that running this does change the background displayed on the lock screen, but it does not affect the desktop background.

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• Enterprise Manager 12c: New DSS Demos Available

  - by Javier Puerta

  Enterprise Manager Cloud Control 12c Application Replay Demo Now Available! User Experience Monitoring with Enterprise Manager Cloud Control 12c and Real User Experience Insight 12R1 Now Available! Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo upgrade     Enterprise Manager Cloud Control 12c Application Replay Demo Now Available! We are pleased to announce the availability of the Oracle Application Replay demo that showcases some of the key capabilities of performing realistic, production scale testing of your web and packaged Oracle applications. This demo specifically focuses on capturing production web traffic from an E-Business Suite application and replaying the captured workload on a test E-Business Suite application to assess the impact of an application infrastructure change on the workload. The target audiences are application developers, quality assurance teams, IT managers and production control staff that deal in day-to-day change management activities and trouble shooting of production environments. Demo Highlights: Enterprise Manager 12c workflows for capturing application workload Seamless integration of Application Replay with Real User Experience Insight for application workload capture Enterprise Manager 12c centralized workflows for replaying captured application workloads in a test environment Demonstrates how to minimize risk when deploying a complex EBusiness Suite application infrastructure change. Rich reporting capability for performance analysis and problem detection User Experience Monitoring with Enterprise Manager Cloud Control 12c and Real User Experience Insight 12R1 Now Available! We are pleased to announce the availability of the Oracle Real User Experience Insight demo that showcases some of the key capabilities of user experience monitoring. This demo specifically focuses on business reporting, integrated performance diagnostics, tracking of customer journey’s through RUEI’s userflow tracking capabilities and it’s Key Performance Indicators tracking and configuration. Demo Highlights: Application-centric dashboard Integration with Oracle Enterprise Manager 12c – JVMD, ADP and BTM Session diagnostics and user session replay Monitoring through “Key Performance Indicators” (KPI) --- create alerts/incidents FUSION Application centric dashboards & integrated BI Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo upgrade DSS is pleased to announce an upgrade to the Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo. While retaining the content from the initial release of the demo—Diagnostic and Tuning Packs, Test Data Management and Data Masking, and Real Application Testing—the demo now includes a new Data Masking for Real Application Testing scenario. Demo Features: Diagnostic and Tuning Packs SQL Performance Analyzer Database Replay Data Masking Masking Real Application Testing workloads Testing pending Optimizer statistics Test Data Management

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• Everything you wanted to know about private database clouds, but were afraid to ask

  - by B R Clouse

  Private Database Clouds have come into their own, and will be a prominent topic at Oracle OpenWorld this year.  In fact while most exhibits will be open from Monday through Wednesday, Private Database Clouds will be available starting Sunday afternoon all the way through Thursday evening.  In addition to the demonstration choices, numerous speaking sessions address Private Database Clouds, including a general session on Monday.  The demos and discussions will help  you chart your path to cloud computing.

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• Scream if you want to go faster

  - by simonsabin

  My session for 24hrs of pass on High Performance functions will be starting at 11:00 GMT thats migdnight for folks in the UK. To attend follow this link https://www.livemeeting.com/cc/8000181573/join?id=N5Q8S7&role=attend&pw=d2%28_KmN3r The rest of the sessions can be found here http://www.sqlpass.org/24hours/2010/Sessions/ChronologicalOrder.aspx So far the sessions have been great so no pressure :( See you there in 4.5 hrs...(read more)

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• How can I reach over 100% volume with a keyboard shortcut?

  - by suli8

  sometimes the sound of videos isn't enough for me. so i reach the sound indicator , over sound preferences and change it to a level higher than 100%. the question is how can i do it from the keyboard? now i can control the volume from the keyboard but it's maximum is 100%. is there a way to do that? EDIT 1: how to use amixer to do it? (as Lyrositor suggested) EDIT2: the closest answer , as Jo-erland, suggested is to set a hotkey to bring up the gnome-volume-control, and then to use left and right arrows to change volume also beyond the 100% mark. any other suggestions, to make this 1 step only? is it possible to set a hotkey to do a sequence of commands ?

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• Laptop works fine with ac adapter, hangs after login screen using battery

  - by tavoton

  I did an Ubuntu 10.10 Desktop Edition clean install (amd64 version) on a notebook Medion Akoya E1311. With AC adapter everything works fine, but using battery, it hangs after login screen. I can type login, password too, and I can press login button. But then I can see mouse cursor and lower task bar, not upper, and nothing works. The only thing I can do is login on a terminal with ctrl+alt+F1, this is ok. Nothing seems alive on Gnome except mouse cursor. The only thing I did after Ubuntu fresh install was donwloading driver for RTL8191SE from Realtek web, because WiFi didn't work, now works fine, with ac adapter of course. Hardware is a Notebook Medion Akoya E1311 AMD Sempron 210U 1 GB DDR2 ATI RS690M (Radeon X1200 Series) Western Digital 160GB wireless RTL8191SEvB ethernet RTL8101E/RTL8102E

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• Changing Disk Allocation for Ubuntu on Dual-Boot System

  - by OtagoHarbour

  When I first installed Ubuntu, I had a new PC with Windows 7 installed. It was my first installation of Ubuntu so I only allocated 45% of the disk for Ubuntu. Now I find that I have been using Ubuntu exclusively so I would like to change the allocation of the disk so Ubuntu has say 75% of the disk and Win. 7 25%. Is there a way to do this without reformatting the disk. I am using Ubuntu 11.10 with Gnome. Thanks, Peter

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• User Group Presentation (London UG 19th May)

  - by NeilHambly

  What have I been up to this week, Well that would be telling now. What I can say, is that I was fortunate enough to be able to attend the User groups meetings being held in London this week, but I was not content with just the 1, I also had a 2nd helping of UG fun the very next evening With the 1st meeting of the week on Wed (Victoria) having a DBA / Dev focus, it began with a Round table & nuggets session (not the chicken MC variety but a few tasty morsels tips on SQL none the less), this followed...(read more)

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• Google I/O 2012 - New YouTube Android Player Tools

  Google I/O 2012 - New YouTube Android Player Tools Ross McIlroy, Anton Hansson If you are building Android smartphone, tablet or Google TV applications and want to incorporate high-quality YouTube video playback in your product this session will rock your world. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1719 24 ratings Time: 51:10 More in Science & Technology

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• Trying to setup a gateway via pppoe

  - by Bob

  I just installed Ubuntu 12.04 on a computer. I want to use this computer as a router for my other computers. The computer only has 1 network card, there is no slot for a second card. I can get the computer to connect to my ISP via pppoe and it can access the web. However the other computers on my local net can only see the router computer. I have tried 2 different pppoe packages, roaring penguin and network-manager-gnome. When I get it to work I will be replacing a 15 year old computer that is running Slackware 7.1. The old computer is currently my router. It is running Roaring Penguin I tried to setup the new computer with the same Roaring Penguin parameters as the old computer. Bob

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• Google I/O 2012 - Multi-Versioning Android User Interfaces

  Google I/O 2012 - Multi-Versioning Android User Interfaces Bruno Oliveira, Adam Powell This session will show you how to build user interfaces that work consistently across Android versions, from Eclair to today. We'll cover topics including the Action Bar, Fragments, style, size qualifiers, app structure, and navigation. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1533 51 ratings Time: 48:22 More in Science & Technology

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• Codeigniter Controller function in a view [closed]

  - by Y2ok

  I'm using CodeIgniter and I have two controllers: Index controller that loads the website view Personal panel controller that will do all login, registration and personal panel functions. (Functions are loaded from models.) The problem is that I don't have any clue how to insert that controller in a view file or in the other controller file so that it would load when I press submit button for a form or if the session's loggedin is with value true.

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• Automatic jQuery Fake Name Checker

  I had a great time presenting my jQuery, WCF Databinding talk at the Philly Code Camp yesterday. As usual I keep adding features to the demonstration application I use in the session. Since I last delivered the talk I added a few creature comforts of...(read more)...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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• Keyboard layout issues using Ubuntu 12.04 in ssh via X11 for mac

  - by LostInTranslation

  I just upgraded from 10.04 LTS to 12.04 LTS on my server (DELL Intel XEON). By SSH login from my mac (OS X Lion) everything is fine (no issues with command lines) but when I open a window through X11, the keyboard layout is now completely messed up. As an owner of a french mac keyboard, I got used to such issues and could deal by guessing the "QUERTY" keys, but this time it's worse. To fix it, I tried: 1/ sudo dpkg-reconfigure keyboard-configuration = no effect 2/ sudo gnome-control-center then change the keyboard settings, however adding a couple of keyboard layouts did not change anything. I feel there is something to do with the X11 forwarding. Any hints? Thanks

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• Google I/O 2012 - For Butter or Worse: Smoothing Out Performance in Android UIs

  Google I/O 2012 - For Butter or Worse: Smoothing Out Performance in Android UIs Chet Haase, Romain Guy Great user experience requires buttery smoothness in rendering and animating your interface; your app must have a good, consistent frame rate. This session deep-dives into our work on the Android framework to find and fix performance issues, along with tips on how you can do the same for your applications. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 4804 116 ratings Time: 58:50 More in Science & Technology

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• Which tools helps to start Ubuntu GUI when boot?

  - by Vimal Kumar

  I am on the way to create a Live CD from scratch. I used Virtual Box for this purpose. I installed Ubuntu base from ubuntumini.iso and installed gnome-shell. And installed Remastersys and created a backup.iso. Burned in a CD and boot from a PC. It end in CLI. Not lead to GUI. I tried the same ISO in VirtualBox. But it work properly there. I think I missed some packages which help to start GUI. Can you help me to identify the packages missed to include in the CD?

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• How can I edit/create new launcher items in Unity?

  - by Ike

  Will Unity allow making custom launcher icons from .desktop files or via menu editing system? (Right now the launcher doesn't give the option to "keep in launcher" on all programs. For some programs I use, I have to make custom launchers or .desktop files. For instance, daily blender builds are generally just folders with an executable. In basic gnome or kde, I can make a new menu entry with the menu editing system. Then, I can also add it to docky either from the menu or by dragging a .desktop file to it. Unity launcher doesn't support drag and drop, so thats not a bug or anything, but when i open a .desktop file, it has unpredictable results. Most time it will not have"keep in launcher". Sometime it will have a pinnable item without the .desktop's icon, and if i pin the item to the launcher, it will not call upon the program again after closing it. I've also gotten it to just work with a .desktop file for "celtx".

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• No unity-greeter.conf file in /etc/lightdm/

  - by drofart

  I am running Ubuntu 12.04 with gnome-shell. I have two admin user accounts. Now, I used to know that in Precise we can set different different login wallpaper to different different user, so I tried with: sudo dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts/User1001 org.freedesktop.Accounts.User.SetBackgroundFile string:/usr/share/backgrounds/Green-wallpaper-27.jpg but to no avail. Then I tried sudo xhost +SI:localuser:lightdm sudo su lightdm -s /bin/bash gsettings set com.canonical.unity-greeter background '/path/to/the/wallpaper.png' It does change my login wallpaper but for all users. Then I tried to locate /etc/lightdm/unity-greeter.conf but I found that it is not there. So where is it and how can I set different login wallpapers for different users?

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• Distribution upgrade made Ubuntu unusable

  - by Lassi

  I installed today a distribution update from 11.10 to 12.04. This however basically ruined the whole OS. After update I lost all the window borders, icons and even access to the internet. I'm also unable to use the default window manager and I had to use the old gnome. The computer is Acer Aspire 5738G laptop, Intel Pentium T4500, Ati Mobility Radeon HD 560v, 4Gb DDR 3. I am using the open source drivers, not proprietary. Does anyone have any idea what could've happened, and how could I fix this. Help is highly appreciated

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• how to list opened nautilus tabs with qdbus?

  - by Aquarius Power

  I am trying to dig into qdbus for nautilus to get a list of opened tabs; I managed to do this so far: sites=(`qdbus |grep nautilus -i`); for siteSrc in ${sites[@]};do list=(`qdbus $siteSrc`); for path in ${list[@]}; do qdbus $siteSrc $path |sed -r "s|.*|$siteSrc $path &|"; done; done |sort -u #|grep paths -i for ex.: I was able to get a list of selected files with qdbus org.gnome.NautilusApplication /org/nautilus_actions/DBus/Tracker/0 org.nautilus_actions.DBus.Tracker.Properties1.GetSelectedPaths but I cant find a clue for opened tabs locations? (so we can use on scripts to restore them later)

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