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In the Unix world with the X Window System (X11)¹, there's no concept of “application”. There are several concepts that overlap but don't match exactly: packages — the name you select in a package manager to install the application. If you don't install it via a package manager, there may not be a formal package name. A package may include multiple ...


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The role of an X11 window manager is quite complex. First, learn more about X core protocol and X architecture. Then read EWMH if you need to understand the conventional roles of WMs (also known and respected by X11 toolkits like GTK, Qt, etc...). Even single-application but multiple-windows (e.g. popups) programs practically need some WM Then you could ...


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You can use pavucontrol to set the default (and fallback) audio output device. But this needs pulseaudio (one of the reasons pulse was developed).


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I solved this problem by installing Fedora 22. Not the route I wanted, but since the issue was taking too long to fix and I couldn't find anything to point me in the right direction I had to choose the reinstallation.


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I read with Wayland there comes the infrastructure to prohibit it, but now it's still a problem. Just see xinput test-xi2 The first article I read about the problem: http://theinvisiblethings.blogspot.de/2011/04/linux-security-circus-on-gui-isolation.html Further and deeper discussion: http://lwn.net/Articles/517375/



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