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How to Enable/get the Hello button in Firefox 34 customize window? Visit about:config Change loop.throttled preference value to false. Restart the browser, Hello button now appears when you open the Customizing mode, drag and drop it onto the menu or toolbar and start making video calls with your friends.


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NOTE: is not an answer solving the root issue. Please provide a new answer if you think you can solve the root cause. You really have to read on why my solution is just an ugly hack. Here's an explanation on what happens at boot time, identifying the culprit. Using KDM (or LightDM) as log in manager, an X session is spawned for you upon logging in. The ...


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In order to open your terminal in Unity, press Ctrl+Alt+T, or press Super, then type 'terminal' and hit enter. Edit: I see that you're using Ubuntu 10.04, so ubuntu-desktop probably comes with GNOME, I'm not sure if that Ctrl+Alt+T opens the terminal then, but you can find it in the menu; Applications → Accessories → Terminal. It is also worth noting that ...


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KDE Font Management KDE System Settings > Font Management The KDE System Settings has a search: Font Management - click the 'Add' button and pick the wanted fonts (.tff) The KDE Font Manager has the handbook - The 'Help' button or from the net: https://docs.kde.org/stable/en/kde-workspace/kcontrol/fontinst/index.html


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Different Ubuntu flavours are mostly Ubuntu with different desktop environments. To try different desktop environments it is not necessary to have separate Ubuntu installations. You can safely install several desktop environments on the same Ubuntu installation. To install a new desktop environment you can follows the instructions in this askUbuntu ...


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You can d it by selecting conservative governor and setting its sampling time. Here are instructions on how to do it. Please note that on modern Intel CPUs new driver is used, that calls conservative governor a "powersave" one.


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As stated in the error message, your version of avconv is outdated, and needs to be updated. If you installed avconv through a package manager (such as apt-get or synaptic), you can use the following commands to update avonv: sudo apt-get update sudo apt-get upgrade sudo apt-get update updates your local index of software in the Ubuntu repositories. This ...


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I always end up sudo apt-get remove --purge gnome-keyring anyway, followed with a restart. ubuntu-sso depends on it but I don't use that, so no worries. ssh-agent seems to just work as it should afterwards.


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Something is confused here. You do not need this "Reserved BIOS Area" Normally. A 1Mb empty space is normally created before or after partitions because of partition padding, it has nothing to do with booting. Are you using MBR or GPT partition table? It should be GPT. Is the medium you are trying to install from, UEFI-compatible and is it actually ...


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Since we indicated through the comments that the NVIDIA Drivers are not installed try to reinstall the nvidia drivers by following the the linked doc under section Installation without X / from the console https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia sudo apt-get install --reinstall nvidia-331 did the trick. (Check Edit 2)


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Still you have alternative way to download virtualbox:- form terminal : sudo apt-get install virtualbox from installer : download from virtualbox website Here!


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Execute the following commands in terminal sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CFBCA7A67412649C and then update sudo apt-get update



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