Create new DB and init with demo data:
$ createdb testdb && odoo-bin -d testdb
Remove database:
$ dropdb dbname
$ rm -rf ~/.local/share/odoo/filestore/dbname
Create database bacup and restore
$ pg_dump -Fc -f dbname.dump dbname
Odoo template addon:
$ ~/odoo-dev/odoo/odoo-bin scaffold my_module