Installing postgresql 9.5 Install the official PostgreSQL yum repository from the list of repositories at http://yum.postgresql.org/repopackages.php For installing postgresql 9.5 on centos 7 use the following command yum install https://download.postgresql.org/pub/repos/yum/9.5/redhat/rhel-7-x86_64/pgdg-centos95-9.5-2.noarch.rpm For CentOS6 this is yum install https://download.postgresql.org/pub/repos/yum/9.5/redhat/rhel-6-x86_64/pgdg-centos95-9.5-2.noarch.rpm Once done install the required postgresql packages such as server, contrib, etc. Naming convention of packages i...