centos7上安装postgresql

1:报错

bash-4.2# systemctl status postgresql.service
postgresql.service - PostgreSQL database server
   Loaded: loaded (/usr/lib/systemd/system/postgresql.service; enabled)
   Active: failed (Result: exit-code) since 一 ; 23min ago
  Process: 1463 ExecStartPre=/usr/bin/postgresql-check-db-dir ${PGDATA} (code=exited, status=1/FAILURE)
2：

su postgres

initdb -D

/var/lib/pgsql/data

3:su root

systemctl status postgresql.service

systemctl start postgresql.service

4:应用程序－》系统工具－》软件－》输入pgadmin 搜索rpm包名

5:yum install pgadmin3-94-1.20.0-1.rhel7 安装软件

6:/usr/pgsql-9.4/bin/pgadmin3