无法在CentOS 7上启动Postgresql服务

Muthu Palanisamy:

无法在CentOS 7上启动postgresql-9.5。

我遵循了此页面-https://wiki.postgresql.org/wiki/YUM_Installation-用于在CentOS上安装数据库服务器。

设置后setenforce 0我尝试了同样的方法,但那也没有帮助。

我正在做所有操作root

systemctl start postgresql-9.5.service
Job for postgresql-9.5.service failed because the control process exited with error 
code. See "systemctl status postgresql-9.5.service" and "journalctl -xe" for details.

这就是我获得的地位-

Redirecting to /bin/systemctl status  postgresql-9.5.service
● postgresql-9.5.service - PostgreSQL 9.5 database server
   Loaded: loaded (/usr/lib/systemd/system/postgresql-9.5.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2016-02-18 15:20:30 EST; 2min 28s ago
  Process: 15041 ExecStartPre=/usr/pgsql-9.5/bin/postgresql95-check-db-dir ${PGDATA} (code=exited, status=1/FAILURE)

Feb 18 15:20:30 myserver systemd[1]: Starting PostgreSQL 9.5 database server...
Feb 18 15:20:30 myserver systemd[1]: postgresql-9.5.service: control process exited, code=exited status=1
Feb 18 15:20:30 myserver systemd[1]: Failed to start PostgreSQL 9.5 database server.
Feb 18 15:20:30 myserver systemd[1]: Unit postgresql-9.5.service entered failed state.
Feb 18 15:20:30 myserver systemd[1]: postgresql-9.5.service failed.

并且不同的conf文件的内容如下-

[root@myserver /]# cat /etc/ld.so.conf.d/postgresql-pgdg-libs.conf
/usr/pgsql-9.5/lib/

[root@myserver /]# cat /usr/lib/tmpfiles.d/postgresql-9.5.conf
d /var/run/postgresql 0755 postgres postgres -

[root@myserver /]# cat /usr/pgsql-9.5/share/postgresql-9.5-libs.conf
/usr/pgsql-9.5/lib/

[root@myserver /]# cat /etc/alternatives/pgsql-ld-conf
/usr/pgsql-9.5/lib/

[root@myserver /]# cat /var/lib/alternatives/pgsql-ld-conf
auto
/etc/ld.so.conf.d/postgresql-pgdg-libs.conf

/usr/pgsql-9.5/share/postgresql-9.5-libs.conf
950

搜索我看到的错误。许多人都看到了相同的错误,并且每种情况下的根本原因都不同。通读这些帖子,目前尚不清楚我是否已看到任何已报告的原因。

德米特里·萨文科夫(Dmitry Savinkov):

确保正确安装了所有软件包并更新了yum存储库部分,[base]并且[updates]在安装之前按照指南中的说明进行了安装我们有带有PostgreSQL 9.5的CentOS 7,并通过以下步骤可以很好地工作:

vi /etc/yum.repos.d/CentOS-Base.repo
yum localinstall http://yum.postgresql.org/9.5/redhat/rhel-7-x86_64/pgdg-centos95-9.5-2.noarch.rpm
yum list postgres*
yum install -y postgresql95-server.x86_64 postgresql95-contrib.x86_64 postgresql95-libs.x86_64 
/usr/pgsql-9.5/bin/postgresql95-setup initdb
systemctl enable postgresql-9.5.service
systemctl start postgresql-9.5.service 

最后,systemctl status postgresql-9.5.service应该显示以下内容:

postgresql-9.5.service - PostgreSQL 9.5 database server
   Loaded: loaded (/usr/lib/systemd/system/postgresql-9.5.service; enabled)
   Active: active (running) since Fri 2016-02-19 00:01:13 UTC; 6min ago
  Process: 10809 ExecStart=/usr/pgsql-9.5/bin/pg_ctl start -D ${PGDATA} -s -w -t 300 (code=exited, status=0/SUCCESS)
  Process: 10802 ExecStartPre=/usr/pgsql-9.5/bin/postgresql95-check-db-dir ${PGDATA} (code=exited, status=0/SUCCESS)
 Main PID: 10811 (postgres)
   CGroup: /system.slice/postgresql-9.5.service
           ├─10811 /usr/pgsql-9.5/bin/postgres -D /var/lib/pgsql/9.5/data
           ├─10812 postgres: logger process   
           ├─10814 postgres: checkpointer process   
           ├─10815 postgres: writer process   
           ├─10816 postgres: wal writer process   
           ├─10817 postgres: autovacuum launcher process   
           └─10818 postgres: stats collector process 

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