Where's the location of the notes?

And how to specify a new, custom location?

On Linux. The path ~/.joplin* doesn't exist

Hi @puerto_escondido, welcome to the forum.

I wouldn't advise editing or moving those notes and settings directly.

To specify a custom location on Linux, make sure your data is backed up and recoverable first. Then, if you know what you're doing, try the workarounds from these threads: