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• Is it possible that Unity would some day switch back to Mutter?

  - by David

  I remembered that the first Unity was indeed built on Mutter, but later ported to Compiz due to poor performance. I also know Canonical practically incorporated Compiz to work closely for future Unity, so this is getting less likely. But Compiz just seems pretty outdated now that GNOME3/GTK3/Mutter is becoming more mainstreamed, and it is known to deliver some performance issue, but on the other hand Mutter seems pretty good and is still steadily developing now, I'm just wondering if anyone related to the project is still testing and evaluating the possibility of Unity on Mutter? Not that you have to tell me now if you're going to do it or not. I just wanna know if anyone is considering it. Thanks.

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• What Language is unity written in?

  - by John

  What Language is Unity written in? Also, where can i get its source code? I have an idea for a windowing enviroment or shell (dont know what to call it). What i want to do is teach myself to create it. i like some of several ideas i have seen, but i want to redo all of them, also the concept of how a desktop works. I figured learning the language Unity is written in, and studying Unity and Gnomes code would be a good start. i am on Ubuntu 12.04 acer aspire 5920 3 gb ram 160 gb hard drive

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• Cannot remove AWN and desktop messed up

  - by anonymous

  I recently installed AWN after reading an article on OMGUbuntu. It looked very good in the pictures but I didnt like it at all. I couldent remove it and it replaced the status bar and the Applications menu. I went into the settings and told it to not begin on startup, rebooted, and logged into a destop with no menu bar, applications, and I'm limited to a few folders on my desktop and terminal. PLEASE HELP!!

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• Is there a way to open an "extra" temporary workspace (via terminal, preferably)?

  - by AmagicalFishy

  [Running Ubuntu 14.04, Unity] So, I have workspaces enabled and all that jazz. I know one can set some option so that Ubuntu defaults to more than four workspaces—but that's not what I want. Currently, I'd like a fifth workspace, but only temporarily (that is, I don't want it to be the default that five open. I just want it for today, and possibly w/e other day I need it). Is there a way to do this?

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• Ubuntu 12.04 Sound only comes in Headphones doesn't come in Inbuilt Speakers - HP Pavilion dv6 1280us

  - by linuxfreak12

  I am newbie of Ubuntu 12.04 with Gnome3 Shell. Laptop Model: HP Pavilion DV6 1280US Full Updates Installed. I can hear sound played only when headphones are plugged in. Regular inbuilt speakers doesn't work. Speakers are fine, it should be some technical configuration/driver issue with OS. They work in the Windows OS in the same laptop. Kindly check these two snapshots: Ubuntu Geeks Kindly help me!

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• Dash doesn't recognize that application is installed

  - by Calixte

  I've installed Geary from the software center, but I can't launch it from the Dash nor did I manage to create an app icon on the Launcher. The Software center has no problem seeing that the app is installed (see screenshot) Running the command "geary" will launch the app. Is there any way I can force the Dash to function properly? Thanks, Calixte PS: Does anyone know what this problem is related to? I tried re-installing the app and restarting the computer but that has no effect at all. I have practically installed nothing on this computer, so I can't imagine what app could interfere with the Dash

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• How to reset main user account?

  - by user8302

  My main account got messed up, as I tried to fix it things went downhills. keyboard mess - tried unity --restore and deleting .gconf2*, fail deleted .* in ~, total havoc. Chromium and Firefox crashes etc. Now, another user account is fully functioning, but I really want my regular username back. Is there any way to completely wipe the settings for the messed up account or copy the profile from the functioning user?

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• How to identify process that's sending error messages to terminal?

  - by kjo

  The following error message occasionally appears in my terminal: Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory ...which is pretty annoying. I have searched online for solutions to this error, without success. Is there any way to at least identify the process responsible for sending these error messages to my terminal? EDIT: Let me clarify that, as far as I can tell, these error messages appear "out of the blue". In fact, they appear asynchronously with respect to my interactions with the terminal (more often than not see them for the first time when I return to a terminal window that has been unattended for some time). I'm sure there's a definite, deterministic cause for these messages, but it is not one that I can readily identify. In short, I have not noticed any pattern or regularity to their occurrence. In particular, in my case their occurrence has nothing to do with running mplayer, or any other video playback program. (Please my earlier post about it here.) For one thing, the machine in question is a work machine, and I rarely watch any videos with it. In the very few instances in which I've watched a video on this machine I've used VLC, not mplayer, and these errors never appeared in these rare occasions that I used VLC.

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• How to change key binding for Tmux

  - by Severin

  I want to change the key binding in Tmux so I can use Ctrl + Alt instead of Ctrl + b This is my (unfortunately) not working try to do so. unbind C-b set -g prefix M-C What's wrong with this? Thought I followed the documentation for the keys.

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• Question about metacity issue from previous post

  - by Alex Poulos

  Yesterday I had an issue with my 12.04 - 12.04 Does anyone know how to fix this? all of a sudden - my Terminal shortcut doesnt work and windows only appear in top left corner and some configuration causing an issue with metacity making it crash - I was walked through the problem, and found out that by creating another user account and logging onto it - the problem wasn't present anymore on that account but still was present on my old account. So my question is - was the problem just something in my old Home folder? - also - can most issues that occur like this be solved by making a new account and backing up the "Home" folder?

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• SQL Source Control Contest

  - by Ajarn Mark Caldwell

  If you’re a regular reader of this blog, you know that I have written several posts about how important I think it is to protect your source code, to version it, and in particular, all the aspects I like about Red Gate’s SQL Source Control product.  But for a moment, let’s take a break from my writing and I want to hear your stories.  What nightmare situation are you in, or can you imagine, where source control for your database would save the world.  Or maybe your life is not so dramatic, but you do see a challenge that, if you just had a good tool like SQL Source Control, it would go much smoother.  What’s your pain?  You have read my writings, now tell me your story, and be in the running for a free copy of SQL Source Control from Red Gate. Yes, that’s right.  Although I am just a fan of Red Gate, they have authorized me to give out a handful of licenses to blog readers who are willing to share their story by posting a comment to this blog entry.  Simply add your comment below (be sure to include a valid email address in the box that asks for that) to be entered.  The contest starts immediately and over the next few days, the best stories will win.

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• OpenSuSe look for Ubuntu

  - by DOOM

  Dont get me wrong, I have been using ubuntu and opensuse for about 2 years but, somehow I like using ubuntu. But it always bothers me about why OpenSuse "only looks" good?. And this is it. I have searched for it, but couldn't find a theme anywhere close to OpenSuse theme http://en.opensuse.org/images/0/04/Kde4-coverswitch.png Can someone help me to get a OpneSuse theme for UBUNTU 12.04 (GNOME_SHELL)

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• Array manipulation in gsettings' set command

  - by Daniel

  Is there an easy way to do array manipulation in gsettings? I am comparing gsettings to OS X's defaults command that offers the defaults domain --array key overwrite-value and defaults domain --array-add key added-value interface for manipulating arrays. As far as I can tell there is only gsettings set domain key "['overwrite-value']" available to gsettings. Not really pretty for when you want to add or remove one entry from an array. I have seen a suggestion that allow me to add to an array, but I would rather use a interface if there is one.

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• Key binding in Compiz no longer works

  - by Dave M G

  I have a key binding set in CompizConfig settings manager that runs this command: sleep .5 && xset -display :0.0 dpms force off I have it attached to Super+~. It's worked fine for years. Now, suddenly, it stopped working. When I open CompizConfig the key binding is blank. I set it again, close CompizConfig, and it doesn't work. So I open CompizConfig again, and the key binding is blank again. It won't save what I set it to. How do I get my key binding and command to work, and stay working.

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• Cannot save password in Evolution?

  - by mhmdrizmi

  I'm using evolution in lubuntu. Configuring the email accounts is OK. Then a window appears asking for the mail password. There is an option to add the password to the keyring. When this is checked nothing happens. The window doesn't close either. When I repeat the same steps with the option to add the password unchecked, it works fine. But I have to enter the passwords every time I start evolution. I guess it's a problem with the keyring (just a guess). How can I fix this ?

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• Ambiance GTK theme customisation *just* for one user

  - by Robottinosino

  Is it possible to customise the appearance of the Ambiance theme just for one user? I have read about the possibility of doing this: sudo vim /usr/share/themes/Ambiance/gtk-2.0/gtkrc but could something be done to change: just one setting for just one user? Perhaps changing something in the user's .themes directory? Notice: I would prefer not to copy the full theme to the user directory, just to provide an override mechanism after the "global" theme is applied, independently from the theme if possible, but anyway just specifying what needs to be different, not duplicating the whole theme definition.

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• Is it possible to use multiple desktop environments on same system?

  - by Kshitiz Sharma

  I am using Ubuntu 12.04. I want to try out KDE and other desktop environments. But I'm not sure if I'll like them enough to switch permanently. I want to be safe and make a transition in a piecemeal fashion. Is it possible to install KDE on Ubuntu and yet not do away with the default Unity shell? Could I install multiple desktop environments and switch between them by tweaking some startup configuration and then rebooting?

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• Why does the BADSIG/"Untrusted sources" error recur forever?

  - by Jeff McMahan

  On at least a dozen occasions, I've spent 2-3 hours figuring out how to get Ubuntu 11.10-12.10 to either update or acquire software from software center, or both. I want to fix whatever is causing the BADSIG problem once and for all; I've wasted so much time trying to get this to work well enough that I can rely on it, but the same problem comes back after a couple weeks of normal updates and software center usage. Don't refer me to a standard posted solution on the web---whatever it is, I've used it more times than you have. The question isn't whether I can get it to work right this afternoon. I can. The question is what is causing the problem to recur regularly across 3 releases. Notice: I use this computer 4-5 hours per week and I do little on it. PDFs, Latex, FireFox, Mendeley, and that's it. I don't constantly install new software, and I don't fiddle with things unnecessarily.

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• SSH Lost Terminal Colors

  - by memecs

  I have to computers with exactly the same configuration (same PS1 etc...). When I ssh from A to B the terminal correctly displays PS1 and file type colors (i.e. blue directories, green executables etc.) But when I ssh from B to A PS1 is set to default and colors disappear. Furthermore, I created public keys to ssh without password from A to B and vice-versa. It works correctly from A to B but it doesn't work from B to A, again I repeated the exact same procedure on both pc: On Host A ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.B On Host B ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.A What could be the problem?

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• Wifi won't connect to certain networks

  - by Dave M G

  As I write this, I'm in a coffee shop on my laptop, and I am trying to connect to the free wifi network they offer. Every time I select their network from the wifi applet drop down menu, it connects for a second and then disconnects. At the same time, I have my Android phone with me, and it connects to the coffee shop's network without problem. There are a couple of people around me also using the same network with no issues. I asked the staff to check and as far as they can tell there is no problem with their router or anything. I have tried rebooting, but it has not made a difference. I have double and triple checked that I am using the correct WEP password. As an added wrinkle, when I connect to another network, it seems to connect (although I can't use them because they are paid gateway services). So I'm able to ask this question now because I have tethered my laptop to my phone, but it's slow and a workaround, not a solution. All indications are that it's a problem with my computer against this one network. Why would that be and how can I fix it?

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• custom icon in "Places" menu

  - by Gurnarok

  Hi, I'm pretty new to Ubuntu, but I know the basics. I read the "How do I change the folder icons in the “Places” menu?" but it didn't help, did the option #2 since I want to specify it for a single directory (for now). So what should I do? I have the folder image as SVG in: /usr/share/icons/hicolor/scalable/apps/ /usr/share/icons/hicolor/scalable/places/ The image I want to use: and where I want it:

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• How do I make apt-get instal commands not display every package that is installing?

  - by rajlego

  When I install something on terminal, it often shows me a few things for status. For one, it shows download rate (which is fine). However, when I install something, it can display Unpacking libgranite2:amd64 (0.3.0~r732+pkg64~ubuntu0.3.1) ... Selecting previously unselected package slingshot-launcher. Preparing to unpack .../slingshot-launcher_0.7.6.1+r421+pkg32~ubuntu0.3.1_amd64.deb ... Unpacking slingshot-launcher (0.7.6.1+r421+pkg32~ubuntu0.3.1) ... Selecting previously unselected package contractor. Preparing to unpack .../contractor_0.3.1~r136+pkg22~ubuntu0.3.1_amd64.deb ... Unpacking contractor (0.3.1~r136+pkg22~ubuntu0.3.1) ... Selecting previously unselected package apport-hooks-elementary. Preparing to unpack .../apport-hooks-elementary_0.1-0~35~saucy1_all.deb ... Unpacking apport-hooks-elementary (0.1-0~35~saucy1) ... Processing triggers for hicolor-icon-theme (0.13-1) ... Processing triggers for libglib2.0-0:amd64 (2.40.0-2) ... Processing triggers for man-db (2.6.7.1-1) ... Setting up libgranite-common (0.3.0~r732+pkg64~ubuntu0.3.1) ... Setting up libgranite2:amd64 (0.3.0~r732+pkg64~ubuntu0.3.1) ... Setting up slingshot-launcher (0.7.6.1+r421+pkg32~ubuntu0.3.1) ... Setting up contractor (0.3.1~r136+pkg22~ubuntu0.3.1) ... Setting up apport-hooks-elementary (0.1-0~35~saucy1) ... Processing triggers for libc-bin (2.19-0ubuntu6) .. I would rather that not show up. I only want to see download rate, not all that other stuff. How do I do this? EDIT: I would also like the jargon to be stored somwehre else if something goes wrong, or for the jargon to just be expanable on terminal.

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• Login keyring box frozen

  - by Maddie

  I'm new to ubuntu and I'm afraid I've done something really stupid. After booting, When prompted to enter a password to unlock my login keyring, I tried to enter in my password, but it won't let me. I can move my cursor but everything else is frozen. I tried to access the terminal by using Ctrl + Alt + F2, I entered my login and password from there and it worked, I just don't know what to do afterwards. Don't know what other information I can provide other than the fact that I am using Ubuntu 10.04

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• How do I get Gmail to start on my second desktop window?

  - by Tom

  I've got the Compiz Place Windows plugin working for most of my apps, but I can't get Gmail to open on a specified desktop window/viewport. Under CompizConfig Settings Manager Place Windows Fixed Window Placement Windows with fixed viewport, I have class=Pidgin, x=2, y=1, and that works fine, but I can't get Gmail to place properly. I've tried class=Prism, title=Gmail, title=gmail ... The Gmail Prism config is from the prism-google-mail 1.0b3+svn20100210r62050-0ubuntu2 package. Any ideas?

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• How to use .html file as a desktop background

  - by nebffa

  I've looked around multiple times for solutions to this, but there aren't any answers. These are related questions without relevant answers: only wants icons wants to retrieve information from web I just have one downloaded .html file in it - matrix raining code - which I think would look totally badass as a wallpaper. Is there any way to accomplish this on Ubuntu? I am running version 13.10

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