Hot answers tagged configuration
IMHO, the most valid approach would be to create a new account only for this purpose, for "guest" users that aren't normal users for you. Choose a name that is valid for you in this purpose (like visitor), set it to login without password, and you are in!
It is going to vary with hardware and my guess is that you need 2 separate sound cards or a sound card / mixer capable of such separation. You can then configure pulseausio to send output to specific locations / cards with pavucontrol , in the playback tab One may need to install pavucontrol , either with apt-get or from the software center. sudo ...
What you want would defeat the purpose with the guest session feature. What you can do is customizing the guest session in advance, but anything you do from within a guest session will be deleted when you log out.
Solution: First create a file in .config/fontconfig/conf.d/ directory with 20-no-embedded.conf name. Then put the below lines in the file to disable embedded bitmaps for all fonts.(If you don't want to disable for all fonts, but for some fonts, skip this to the next) <?xml version="1.0"?> <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> ...
This is not possible with tool itself. The script linked by @ByteCommander would be nice if slightly modified. I think apt-get could use this feature. Consider making a feature request or asking a question. Offering a patch is a little more challenging but makes it more likely you and others can get the feature.
I don't know of a whitelist, but based on my experience in the past with similar types of situations, if you can't find a whitelist, I would copy all of your config files to a different directory, such as old_config. Then, when you start an application and it isn't configured the way you like, copy the file for just that application from old_config to the ...
You can use mimeopen .doc at the terminal to see for example which applications are associated with the .doc file extension and then go to $HOME/.local/share/applications/ directory and remove the extensions associated with uninstalled applications. You can then apply a similar approach to other file extensions.
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