如下所示，centOS 7.3-1611安装控制机包的过程中，postgre数据库服务报错，如下：

Job for postgresql.service failed because the control process exited with error code. See "systemctl status postgresql.service" and "journalctl -xe" for details.
error: %pre(info2soft-ctrlcenter-6.1-18227.el7.x86_64) scriptlet failed, exit status 1
error: info2soft-ctrlcenter-6.1-18227.el7.x86_64: install failed