您可以安装PostgreSQL 9.2。 1在 pg_dump 客户端计算机中，或仅将 $ PGHOME 从PostgreSQL服务器计算机复制到客户端计算机。请注意，无需在客户端计算机中 initdb 新建群集。

You can either install PostgreSQL 9.2.1 in the pg_dump client machine or just copy the $PGHOME from the PostgreSQL server machine to the client machine. Note that there is no need to initdb a new cluster in the client machine.

完成安装后， 9.2.1软件，请记住在 .bash_profile 文件中编辑一些环境变量。

After you have finished installing the 9.2.1 software, remember to edit some environment variables in your .bash_profile file.