lwc:linux:snap [wiki]

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  * Snap runs in a sandbox.
  * Permissions of the sandbox are defined in the package itself
  * when possible install from channel ''--stable'' which typically offers the app enough permissions to run normally
  * if not possible to install as ''stable'' install with ''devmode'' to be able to read files...or something
  * it appears Snap apps can't even see certain directories like ''/tmp'' and ''/home''. Symlinks don't fix the problem. Instead the files need to be copied somewhere else, such as ''/var/tmp''

==== workaround for snap not able to access outside of /home ====
  * Mount the directory inside home. Example with ''/tmp'':
<code>
mkdir /home/you/tmp
sudo mount --bind /tmp /home/you/tmp/
</code>
  * make permanent by editing ''/etc/fstab'':
<code>
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/tmp        /home/you/tmp   auto    bind    0   3
</code>
  * then rebuild the initrd:
<code>
sudo update-initramfs -u -k all
</code>
//[[https://askubuntu.com/questions/1263843/how-to-allow-snap-applications-to-access-tmp-folder|source]]//