Install PostgreSQL9.5 in CentOS

Installation: you can directly install and compile it, or compile and install it through source code. /configure, make, and makeinstall install different linuxos directly and different versions. for centos, you can use yuminstallpostgresql-server for installation, but pg version 5 corresponds to 8.16 and 8.47 corresponds to 9.2. Currently the most install: you can directly install and compile it, or you can use the source code to compile and install it. /configure, make, and make install different linux OS installations and versions are different. for centos, you can install postgresql-server through yum install, however, for PostgreSQL 5, 8.1 6 corresponds to 8.4 7 and 9.2. Now the MAX version is 9.5.0 (20160112) plugin, for example I want to install pg 9.5 in centos 7, yum install http://yum.postgresql.org/9.5/redhat/rhel-7-x86_64/pgdg-centos95-9.5-2.noarch.rpmyum install postgresql95-server postgresql95-contrib (contrib install third-party package and distributed package, can be uneasy) /usr/pgsql-9.5/bin/postgresql95-setup initdb (initialization library)/bin/systemctl start postgresql-9.5.service (startup) log on to the database su Hei spsql \ l to view all databases \ q and exit (the data directory is automatically installed in/var/lib/pgsql/9.5/data)