$ aptitude install python-gtk2 python-dateutil postgresql\
 python-ldap python-vobject python-stdnum
$ pip install pytz simpleeval cached_property

$ su - postgres
$ psql template1
 
template1=# create user tryton with password 'MYPASSWORD;
template1=# alter user tryton createdb;

assuming your landing on this page via websearch or other: be advised.. the recommended way of installing/starting tryton is documented well on their homepage.

This Document servers as a copybin for (my) development setups!

sudo service postgresql start
cd /home/b0r7/workspace/tryton-dist/trytond
sudo su tryton -c "trytond -c '/home/b0r7/workspace/tryton-dist/trytond.conf'"

ctrl + c
ps --user tryton
kill -9 PID