I want to run a snap application without ANY sandboxing, which means it can directly access ALL files in the filesystem (if the user has the right to access them), including the user's home directory, or even the /tmp directory.
The current case is that I want to install Kubuntu 22.04, in which Firefox is installed via snap. I usually use /tmp to download things that I don't want to stay in my filesystem forever. However, as snap sandboxes the /tmp directory, even in --devmode, it's impossible to do so from now on.
Similar question: How to disable snap filesystem sandboxing, but it doesn't solve the /tmp case.
Note: It seems like it is still April 22, 2022 in my timezone, but Ubuntu's website is now recommending downloading the 22.04 ISO, so I assume that 22.04 is now released.
1 Answer
To run a snap without strict confinement, you will want to use the --classic flag when (re)installing:
sudo snap install firefox --classicYou can read more about Snap confinement here 👍🏻
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