tehon:~/workspace $ createdb mydb createdb: could not connect to database template1: could not connect to server: Connection refused Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?mydb라는 데이터 베이스를 생성하고 싶었지만PostgreSQL 서버가 멈춰있다는 것을 암tehon:~/workspace $ sudo service postgresql start * Starting PostgreSQL 9.3 database server p [ OK ] ..