Run the install script from command line
Now in WHM under SQL Services locate Postgres Config and do an Install Config. You can also set the root password from here, but this password should only be alphanumeric.
PostgreSQL is installed now, but PHP is not compiled for it, so you’ll need to recompile PHP/Apache with postgreSQL support. You can do this manually, or through WHM. If doing so manually, here is the configure switch:
In your feature manager in cPanel, check the boxes for PostgreSQL and phpPgAdmin to enable them in your users’ cPanels.
ow when you log into cPanel you’ll see a section for PostgreSQL and phpPgAdmin which is the database management tool for Postgres.