[PostgreSQL]: Data directory is not empty! Error

[root@ip-10-0-0-228 ec2-user]# service postgresql initdb Data directory is not empty! [FAILED] [root@ip-10-0-0-228 ec2-user]# Clean-up the data files & restart [root@ip-10-0-0-228 ec2-user]# ll -lhtr /var/lib/pgsql9/data/ total 88K -rw——- 1 postgres postgres 4 May 5 09:32 PG_VERSION drwx—— 2 postgres postgres 4.0K…