Postgres не запускается.

$ postgres --version
postgres (PostgreSQL) 8.4.8

$ sudo cat /var/lib/pgsql/data/pg_hba.conf 
host    all         all         127.0.0.1         255.255.255.255   md5

$ sudo service postgresql start
Starting postgresql service:                               [  OK  ]

$ createdb test
createdb: could not connect to database postgres: could not connect to server: No such file or directory
        Is the server running locally and accepting
        connections on Unix domain socket "/tmp/.s.PGSQL.5432"?

$ cat /tmp/.s.PGSQL.5432
No such file or directory

$ sudo service postgresql status
postmaster dead but pid file exists

$ ps aux | grep post
sosiska        16189  0.0  0.0   4356   452 pts/1    S+   11:09   0:00 grep --colour=auto post