CentOS 7
# -U Upgrade
# -v Show verbose stdout
# -h Show hash marks
rpm -Uvh https://yum.postgresql.org/11/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
Install PostgreSQL Client
# -y Always answer yes for all questions
# and clean cached package
yum -y install postgresql11 && yum clean
Check psql command
psql --version
psql (PostgreSQL) 11.5
Connect your Postgres database
# $PG_HOST: Hostname of Postgres
# $PG_PORT: Default is 5432
# $PG_USER: User of Postgres
psql -h $PG_HOST -p $PG_PORT -U $PG_USER
Password for user wms: # enter the password
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