Re:Upgrading a PostgreSQL Cluster Documentation

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/10/upgrading.html
Description:

https://www.postgresql.org/docs/10/upgrading.html

  It would be helpful to make a note for Linux users that you have login
interactively as the postgres user ie. "sudo -u postgres -i" before running
such commands as "pg_dumpall -p 5432 | psql -d postgres -p 5433". Otherwise
you'll receive the template1 error about the user.

Thanks.