Create the default portal PAR file.
For example, typePortalServer-base/bin/psadmin create-par --dir PortalServer-base/par-src/default-portal/ /tmp/default-portal.par
Import the default portal PAR file.
For example, type PortalServer-base/bin/psadmin import -u amadmin -f password-file -p portal1 --overwrite /tmp/default-portal.par.