Install Latest postgresql using yum from pgsqlrpms

install Latest postgresql using yum from pgsqlrpms
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[root@server ~]# yum erase postgresql postgresql-server
[root@server ~]# wget http://yum.pgsqlrpms.org/reporpms/8.3/pgdg-centos-8.3-4.noarch.rpm
[root@server ~]# rpm -ivh pgdg-centos-8.3-4.noarch.rpm
[root@server ~]# yum install postgresql postgresql-server
[root@server ~]# chkconfig postgresql on
[root@server ~]# service postgresql initdb
[root@server ~]# chkconfig postgresql on && service postgresql start

[root@server ~]# /usr/bin/postgres --version
postgres (PostgreSQL) 8.3.4
[root@server ~]#