Add installation instructions

- to ensure even an absolute beginner gets a PostgreSQL server up
  and running, the default installation assumes that the student
  first installs VirtualBox with a Ubuntu Desktop machine in it
- on the Ubuntu guest machine, the apt packages postgresql and
  postgresql-contrib are installed first
This commit is contained in:
Alexander Hess 2021-07-26 21:44:57 +02:00
commit e80bff90b4
Signed by: alexander
GPG key ID: 344EA5AB10D868E0
75 changed files with 492 additions and 1 deletions

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