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Only if there is volatile data relevant to an application that would ultimately fail as a result of your GUI failing, but mainly no. AKA if your GUI fails and a text editor is open and the text editor dies after the GUID dies Then you lose whatever was unsaved in the text editor. Basically no.


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This depends largely on how you are managing your data, and what you mean by GUI. If you use a database and you are working with that in a GUI and the GUI crashes (which honestly, I wouldn't worry too much about) then whatever has been updated/changed in your database will be found in the same state as you left it at the moment of said crash. However, as ...


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If someone has physical access to the computer, there is no way to protect it. Put it inside a box under lock and key For this kind of use it is best not to use Ubuntu Desktop. Use the Ubuntu server version, that has no desktop. Setup the WiFi hotspot as a service. A service (also called a daemon) starts when the computer starts and does not need anyone to ...


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Turn the desktop black of all (possibly additionally) connected screens Not sure if the solution below is sufficient to you, but as an (additional?) measure, it should help to make it at least more difficult to access the system. As usual, it is mostly the combination of measures that makes incidental access more difficult. It could e.g be made more ...


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Just backup. No, your data should not be affected by GUI crashes, but if you really want to be safe, backup, backup, backup.



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