Is it possible to give a snap application access to the /tmp directory? Specifically, I want to be able to send email attachments directly to the application from Thunderbird. Granting access to my home directory is not enough as Thunderbird places files in /tmp when sending directly to an application. Since I am running Kubuntu 18.04, I don't have GUI controls over snaps & need a command line solution.
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Does this answer your question? How to allow snap applications to access /tmp folder? – Ian Mackinnon Jan 21 '22 at 12:25
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Every snap can access /tmp/, however, the /tmp/ for every snap is actually a dedicated directory contained within the host's /tmp/, such that snaps can't access each others' /tmp/. As a result, Thunderbird can put files in /tmp/, but that's a different directory than the /tmp/ seen by individual snaps. There are no interfaces of which I'm aware that allow for snaps to access the host's /tmp/ directly, although browser-support seems to allow access to /var/tmp/ if that's at all helpful to you.
kyrofa
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