Use serial port as regular user in Ubuntu

By default a regular user does not have permission to use the serial port. In my case I wanted to use two USB-to-serial adapters:

By looking at output you can see that the owning group is dialout. So it is a matter of adding your user to that group (and logout/login as with every user rights change). The bash environment variable $USER contains your username.

Found on the Ubuntu help pages.

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