The PostgreSQL server is part of the CentOS distribution, so all you need to do is install it with the yum utility.
PostgreSQL服务器是CentOS发行版的一部分，因此您需要做的是使用yum实用程序安装它。
The procedure for adding Fedora packages is similar to that for CentOS packages, except that you must download the RPMs to be added because they are not in the yum cache repository.
添加fedora包的步骤类似于添加centos包的步骤，只不过必须要下载要添加的这些RPM，因为它们不在yum缓存存储库内。
The procedure for adding Fedora packages is similar to that for CentOS packages, except that you must download the RPMs to be added because they are not in the yum cache repository.
添加fedora包的步骤类似于添加centos包的步骤，只不过必须要下载要添加的这些RPM，因为它们不在yum缓存存储库内。
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