apt-get install postgresql-9.4

su — postgres
psql postgres postgres
ALTER USER postgres WITH PASSWORD 'tmppassword';
\q
exit

su – postgres
createuser admin
psql
ALTER USER admin WITH PASSWORD 'newpassword';
ALTER ROLE "admin" SUPERUSER CREATEDB CREATEROLE INHERIT LOGIN CONNECTION LIMIT -1 VALID UNTIL 'infinity';
\q
exit

apt-get install phppgadmin