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• How to un-fullscreen an application on your secondary monitor in 11.10

  - by Dan Rempel

  Nvidia twinview wasn't working for me very well so I uninstalled it and started using the nouveau driver, since then my dual monitors are working properly. With 11.10 the panel has changed. It appears on my main monitor only, along with the unity bar. When I have an application full screened the panel acts as the file menu, along with max, min, and close options. However I'm noticing when I have something full screened on my secondary monitor (where there is no panel) I have no way of un-fullscreening it. The panel on the main monitor do not show any options when that window is selected. This is okay for some apps like my web browser that has these buttons in it anyway, but I fullscreened Banshee and now it's stuck there... Any idea on how to un-fullscreen something in this situation?

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• How to create a restricted SSH user for port forwarding?

  - by Lekensteyn

  ændrük suggested a reverse connection for getting an easy SSH connection with someone else (for remote help). For that to work, an additional user is needed to accept the connection. This user needs to be able to forward his port through the server (the server acts as proxy). How do I create a restricted user that can do nothing more than the above described? The new user must not be able to: execute shell commands access files or upload files to the server use the server as proxy (e.g. webproxy) access local services which were otherwise not publicly accessible due to a firewall kill the server Summarized, how do I create a restricted SSH user which is only able to connect to the SSH server without privileges, so I can connect through that connection with his computer?

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• Field Trip Automatically Alerts You to Local Places of Interest

  - by Jason Fitzpatrick

  Android: Field Trip is a free mobile app that acts like a local tour guide, alerting you to landmarks, historical sites, and unique local attractions. A simple walk around your city’s down town can turn into a history lesson or lead to the discovery of a new hang out. To use Field Trip simply install it on your GPS-enabled Android smartphone and start it up. You can configure the app to notify you of certain types of things (historic places, outdoor art, food and drink, and more), refine the results over time by telling the app which tidbits you enjoyed, and more. Field Trip even has a driving mode where you can turn it on and, as you drive through a city or across the countryside, it will narrate your journey by telling you about interesting sites you’re passing. Field Trip is free, Android only. Hit up the link below to take it for a spin. Field Trip [via Geek News Central] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• How to create a restricted SSH user for port forwarding?

  - by Lekensteyn

  ændrük suggested a reverse connection for getting an easy SSH connection with someone else (for remote help). For that to work, an additional user is needed to accept the connection. This user needs to be able to forward his port through the server (the server acts as proxy). How do I create a restricted user that can do nothing more than the above described? The new user must not be able to: execute shell commands access files or upload files to the server use the server as proxy (e.g. webproxy) access local services which were otherwise not publicly accessible due to a firewall kill the server Summarized, how do I create a restricted SSH user which is only able to connect to the SSH server without privileges, so I can connect through that connection with his computer?

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• MVC helper functions business logic

  - by Menelaos Vergis

  I am creating some helper functions (mvc.net) for creating common controls that I need in almost every project such as alert boxes, dialogs etc. If these do not contain any business logic and it's just client side code (html, js) then it's ok. My problem arises when I need some business logic behind this helper. I want to create a 'rate my (web) application' control that will be visible every 3 days and the user may hide it for now, navigate to rate link or hide it for ever. To do this I need some sort of database access and a code that acts as business logic. Normally I would use a controller for this, with my DI and everything, but I don't know where to put this code now. This should be placed in the helper function or in a controller that responds objects instead of ActionResults?

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• "mountall: Disconnected from Plymouth" error in VirtualBox

  - by jonpavelich

  I installed Ubuntu (from the 11.10 Alternate CD, selecting "command-line only" mode before installing) in Virtualbox (Mac OS X Lion host) like I've done numerous times before. Installation finished without any problems, and I rebooted into my new system. Got the splash screen, it loaded, and right where it should've given me a login prompt, I got (in orange) mountall: Disconnected from Plymouth. I can just hit control + alt (option) + F1 to get the login prompt on tty1, and the system acts normally. This happens on every boot. The disk has two partitions, a 250 MB /boot partition and a 99.75 GB encrypted partition. The encrypted partition has LVM on it. One volume group, 3 volumes (swap, / (root filesystem) , and /home. At first I thought the error was from one of the LVM volumes not mounting, but they are all accessible. It isn't a critical error, but it is annoying. Any ideas?

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• Ubuntu 14.04 VLC Subtitles - Will not attach (unable to drag/drop or upload while viewing)

  - by TheLizardKing

  I'm new to Ubuntu and a long time user of VLC with the Windows OS. In Windows, I was able to drag and drop the .sfv file onto the playing video and the subtitles would be enabled. In Ubuntu I try to drag and drop the .sfv file and it acts as though the .sfv file is a video and stops the actual video from playing. When I try to attach the .sfv file (view - subtitles - select text subtitles) I'm able to see the .sfv file I'd like to attach/open, although once I click open the file doesn't attach itself to the video. Does anyone know how to help me with this situation? I'm 2 seasons deep into Breaking Bad and attempting to read the body language of the characters during the Spanish parts has gone on way too long. Thank you, Greg

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• How to control / disable low level battery on bluetooth mouse

  - by Alberto

  I have a little problem with my Kesington Bluetooth Mouse on Ubuntu 12.10. Ubuntu 12.10 considers my bluetooth mouse battery as a system battery as if it was the main laptop battery (so I have two on the battery indicator, the main and the bluetooth one). When it runs low level, near to die, battery, my laptop acts as if it was the main battery and I must quickly stop bluetooth and continue on the touchpad if I want to work. Can anyone help me? Maybe I prefer to disable the battery control over the mouse, I don't care about it, I know it is fully charged, but Ubuntu always starts on 33% or less, I just want to work with it and when it will be battery-off I will recharge the batteries. Many thanks in advance. Alberto.

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• Is MUMPS alive?

  - by ern0

  At my first workplace we were using Digital Standard MUMPS on a PDP 11-clone (TPA 440), then we've switched to Micronetics Standard MUMPS running on a Hewlett-Packard machine, HP-UX 9, around early 90's. Is still MUMPS alive? Are there anyone using it? If yes, please write some words about it: are you using it in character mode, does it acts as web server? etc. (I mean Caché, too.) If you've been used it, what was your feelings about it? Did you liked it?

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• Double-click instead of single-click in Ubuntu 12.04

  - by evfwcqcg

  When I do a single click, my computer (with Ubuntu 12.04) acts like it was double click. I think it happens in ~50% of cases. It happens with all the program I use: browsers, file manager, terminal and so on. I'm not sure when exactly it started, maybe a week ago, and I don't remember if it started to happen after system-update or after the installation of some packages. What I tried: change mouse change mouse settings like Double-Click Timeout None of those helped me. Any ideas? Thanks.

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• 5.1 surround sound for 12.04

  - by iwhorl

  I am very new to Ubuntu and linux as I have used windows only until yesterday. I am attempting to send my audio signal to my pioneer reciever using a single digital optical cable which is plugged into my M2N Sli Deluxe motherboard. I am sending video with a Geforce 8600gt video card through HDMI. That card does not support audio through HDMI. The only thing I have got to work so far is my left channel speaker acts as a stereo left and my sub woofer is trying to act as a stereo right. I was able to achieve this through altering the alsamixer settings. Can anyone point me in the right direction on this?

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• Help me i can't format my usb? i have already tried with mkdosfs and gparted

  - by Mauri Olivares

  I have a MicroSD card in a USB adapter (which plugs into a USB port on my machine, and acts like a USB flash drive). I was using Unetbootin to make this a bootable USB flash drive with Kubuntu. But I needed to cancel while it was working. So I killed the Unetbootin process from the console. Since then, I can't format the MicroSD or delete the folder that Kubuntu made. I have also tried mkdosfs, with no success. I can't mount the drive anymore either? What can I do, to make this drive usable again? Trying to create a new partition table in GParted, as described in Eliah Kagan's answer, does not work. It fails with the error message "imposible crear tabla de particiones" ("unable to create a partition table").

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• Implementing Ads on any page in your Windows 8 XAML app–part 2

  - by nmarun

  In my previous article , you saw how you can start implementing ads on some of the page templates. In this one, we’ll see how we can add something called ‘interstitial ads’ – ads that appear as part of the content in your app. I have added a Grouped Items page to my project. My data model is set to show a few appliances. I have a BaseModel class and the ApplianceModel that inherits the BaseModel class has two properties to represent an appliance. The ProductHolder acts as a container for a list of...(read more)

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• Help with two mini-bugs

  - by oneuseaccount

  Let's see if someone can help me with two mini-bugs I have: Sometimes, when I close the laptop and later open it, the touchpad stops working properly. Most times it only acts fuzzy a few seconds and then starts working fine, but other times it stops working completely (I can't move the mouse arrow, althougt clicking buttons work fine) until I restart. Whenever I turn on the computer, some keys excange with others (" becomes @, ? becomes _, ¿ becomes +, etc), and I have to go to Keyboard input and add and delete some language (I use Afgan because it's the first) Thanks.

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• Ubuntu will not load up from my USB

  - by Ryan Mungwira

  I have a Sony Vaio Duo 13 and I am trying to get Ubuntu 13.10 to run on a partition on my Ultrabook but it will not load up from the USB drive. It goes to the black screen that asks if you just want to Try Ubuntu or if you want to Install it. I click just to try and it will not load. It acts like it is going to start up but then it just goes to a blank black screen and then I have to a hard restart. It does that when I click install as well. And I have tried disabling the Secure Install on my computer as well and nothing happens! What do I do?!?

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• Testing HTML5 and javascript code for iPhone and Android devices

  - by Pankaj Upadhyay

  I have developed a simple HTML5 webpage that uses a javascript file. This is a fun learning page so I wanted to know as to how will they show up on mobile devices like iPhone and Android smartphones. The pages are hosted on a server and i have tested the thing on my desktop. But, how can i test the same for these mobile devices. i.e. how the page will look on mobile and stuff. I don't have an iPhone or Android. There is no serious development going in here so i was thinking if there is some free website or tool that acts as a iPhone or android browser. The main aim is just to see how the webpage will show up on an android phone.

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• Bluetooth broadcasting realtime - is it possible

  - by user69961

  Is it possible to broadcast data via bluetooth to one ore more connected devices? I mean that each phone will be master and slave at the same time and each phone will broadcast data that should be received by all other phones. Or is the only possibility to use a "client-server"-like topology; one phone acts as a server and listens to all clients and then sends data from each client to the rest of clients in the network? Which variant should be more effective? If broadcasting is possible then the same implementation can be used for all devices and if one device will die communication between rest of network can continue. And also will there be enough to send one message per device - not message from each device to server and then back to all devices. Am I right?

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• Unity session goes to lock on app launch, and won't unlock with password

  - by really

  Has been happening on every Ubuntu machine I've used to date, which is a total of 4. Started in 12.10 as far as I know, but it might have happened with 12.04, 12.10, 13.04, 13.10 and now 14.04. It doesn't seem to matter what I'm doing, but what always seems to trigger it is opening a web browser or some other application first from the sidebar. Firefox was was the most recent trigger. Instead of opening my browser, which it acts like it's going to do... the session locks, goes to the login screen, and won't unlock with the correct password. By 'won't unlock' I mean it unlocks then immediately locks again without first restoring unity, it does not produce 'incorrect password' I suspect this is a virus or password snooping software because of the fact it won't unlock with correct password information and I think if this IS a security issue, it should be fixed asap considering it's widespread throughout multiple versions. It's probably not a virus, but it is certainly suspicious behaviour to see your pc do that... wouldn't you think?

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• What Design Pattern is seperating transform converters

  - by RevMoon

  For converting a Java object model into XML I am using the following design: For different types of objects (e.g. primitive types, collections, null, etc.) I define each its own converter, which acts appropriate with respect to the given type. This way it can easily extended without adding code to a huge if-else-then construct. The converters are chosen by a method which tests whether the object is convertable at all and by using a priority ordering. The priority ordering is important so let's say a List is not converted by the POJO converter, even though it is convertable as such it would be more appropriate to use the collection converter. What design pattern is that? I can only think of a similarity to the command pattern.

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• Combining a content management system with ASP.NET

  - by Ek0nomik

  I am going to be creating a site that seems like it requires a blend of a content management system (CMS) and some custom web development (which is done in ASP.NET MVC). I have plenty of web development experience to understand the ASP.NET MVC side of the fence, but, I don't have a lot of CMS knowledge aside from getting one stood up. Right now my biggest question is around integrating security from ASP.NET with the CMS. I currently have an ASP.NET MVC site that handles the authentication for multiple production sites and creates an authentication cookie under our domain (*.example.com). The page acts like a single sign on page since the cookie is a wildcard and can be used in any other applications of the same domain. I'd really like to avoid having users put in their credentials twice. Is there a CMS that will play well with the ASP.NET Forms Authentication given how I have these existing applications structured? As an aside, right now I am leaning towards Drupal, but, that isn't finalized.

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• Mouse running amok

  - by Norene Bult

  While using my mouse, it will all of a sudden take off and might run to calendar or/and trash. It opened calendar, then went down and opened trash up several times. It started out just doing it once in awhile with opening something and I didn't move it there. It did on it's own. Is someone controlling my computer? That's how it acts. I would like to get this straighted out. If it is my mouse just going berserk then I will install a new one. If it is something else, I'd like to know what could be causing it. I have my security set so no one can access my computer. Please can anyone help?

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• What Design Pattern is separating transform converters

  - by RevMoon

  For converting a Java object model into XML I am using the following design: For different types of objects (e.g. primitive types, collections, null, etc.) I define each its own converter, which acts appropriate with respect to the given type. This way it can easily extended without adding code to a huge if-else-then construct. The converters are chosen by a method which tests whether the object is convertable at all and by using a priority ordering. The priority ordering is important so let's say a List is not converted by the POJO converter, even though it is convertable as such it would be more appropriate to use the collection converter. What design pattern is that? I can only think of a similarity to the command pattern.

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• Unable to Install [closed]

  - by Rajesh

  I have been trying to install Ubuntu on my PC for some time now. I tried wubi, but am unable to get it right. Then, I downloaded the ISO and tried to install it on an empty without partitioning, but the keyboard acts wierd and goes on typing automatically one particular letter that was typed while trying to enter IPv4 settings (2222222222 or ............, etc...) and also I get an error about some fsyncing\sdk\resourses something like that. Please help me. UPDATE: I managed to install it but I get a blank screen after logging in. Just the wallpaper shows up! Help me.

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• Ubuntu Server - Virtual Box?

  - by user186144

  So I got VirtualBox just for Ubuntu Server, I'm currently Running Ubuntu 12.04 as my main OS. But when I got everything set up in Ubuntu Server 12.04, including my ports forwarded and a test Minecraft server up... I realized that nobody could join my public IP I sent out, not even me! I can connect to the ipv4 address. It acts like I didn't forward my ports. But I forwarded 25565 to Input and Output and they're both TCP and UDP. Is this just a virtual box issue or am I doing something wrong? * Using Eth0 wired connection

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• appearance incomplete

  - by user288986

  I'm using 14:04 which is pretty nice. Something wionders me: if I open a window (e.g. Ubuntu Software Centre) I can see SOME items (sometimes nothing) but by hovering the mouse over it it appears - and then disappears again. Sometimes the side mover acts the same way... Maybe it has to do with my hardware: P4, 3 GHz, 2 GB RAM, older graphics board, KVM-switch? There's no difference whether I use Gnome, Ubuntu standard, Ubuntu classic, Ubuntu fallback... Thanks for hints Jens

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